$^{214}$Pb represents one of the most common irreducible contaminant in rare-events physics experiments.
In the XENONnT experiment, a LXe dual-phase TPC for direct dark matter searches, $^{214}$Pb represents the dominant contribution in the electron recoil background below 40 keV.
This isotope undergoes beta decay into several $^{214}$Bi excited states, generating electron/gamma events in...
The Deep Underground Neutrino Experiment (DUNE) is a next-generation neutrino experiment currently under construction. DUNE will consist of two high-resolution neutrino interaction imaging detectors exposed to the world’s most intense neutrino beam, with the Near Detector at Fermilab and the Far Detector 1,300 km away in the Sanford Underground Research Facility in South Dakota, US.
The...
Liquid Argon Time Projection Chamber (LArTPC) is a premier technology in neutrino detector designs. The field response model describes the electric currents induced in the anode plane when ionization electrons drift in the chamber. Field response is critical for TPC readout simulation and charge reconstruction. A novel pixelated charge readout technology, LArPix, has been developed for...
Neutrino emission can be expected from Gamma Ray Bursts (GRBs) through hadronic interactions, though the exact neutrino flux may vary depending on the GRB environment. To test the neutrino emission at different energies in different environments and improve the description of low-energy or thermal contributions, we created a model calculating the neutrino yield from GRB internal energy...
In the next ten years, neutrino telescopes will become increasingly sensitive to galactic neutrinos, the flux of neutrinos produced by astrophysical sources and in cosmic ray interactions within our galaxy. This new flux offers a promising laboratory for exploring beyond the standard model neutrino physics dependent on ultra-long baselines. However, searches for these BSM signals will require...
DUNE is a leading-edge experiment for neutrino oscillation physics and is
currently under construction in the United States, between Fermilab, where
neutrino beam is generated, and the SURF underground laboratory, in South
Dakota, hosting the Far Detector at a depth of 4,850 mwe and at a baseline
of nearly 1,300 km. GRAIN (GRanular Argon for Interactions of Neutrinos) is
the Liquid Argon...
The TAMBO experiment aims to investigate the tau neutrino component within the astrophysical neutrino flux. One of our ongoing endeavors involves identifying the optimal data acquisition system (DAQ) to be used in conjunction with the synchronization system. The synchronization system plays a crucial role in identifying the air shower initiated by the tau lepton as it exits the rock.
In...
Demonstrating a highly efficient single ion barium tagging sensor could reduce backgrounds in searches for neutrinoless double beta decay ($0\nu\beta\beta$) to negligible levels in ton to multi-ton scale experiments. The NEXT collaboration is pursuing a phased program aimed at searching for $0\nu\beta\beta$ utilizing high-pressure xenon gas time projection chambers (TPC) with the introduction...
IceCube-Gen2 is a planned extension of the IceCube Neutrino Observatory at the geographic South Pole. The array is optimized to search for sources of astrophysical neutrinos from TeV to EeV energies. IceCube-Gen2 builds on more than a decade of successful scientific observations with IceCube. The observatory will utilize optical sensor modules integrated into the deep ultra-clear Antarctic ice...
KM3NeT is a European research infrastructure building second-generation neutrino telescopes in the Mediterranean Sea, comprising in its final configuration a network of detectors that will cover more than one cubic kilometre of deep seawater. KM3NeT/ARCA is part of the KM3NeT research infrastructure and focuses on the detection of high energy neutrinos (>TeV) from astrophysical sources. The...
The Jiangmen Underground Neutrino Observatory (JUNO) is a 20 kton liquid scintillator detector located 700 m underground at 52.5 km from two Nuclear Power Plants (NPP) in China. The primary physics goal of JUNO is to determine the neutrino mass ordering by measuring the electron antineutrino ($\bar{\nu}_e$) oscillated spectrum with excellent energy resolution. This requires a very accurate...
The IceCube Observatory is a cubic-kilometer neutrino telescope built into the deep glacial ice at the South Pole. The IceCube Upgrade is the future low-energy extension to the existing detector array, characterized by denser instrumentation and improved detection units. This setup will allow us to study neutrino oscillations with greater sensitivity compared to the existing instrumentation,...
T2K is a long-baseline accelerator neutrino experiment that has delivered world-leading measurements of the atmospheric mixing angle and the magnitude of CP-violation in neutrino oscillations. Here we show that Bayesian analyses using the PDG parameters benefit certain flavour symmetries through their choice of uniform prior, and we consider alternate parameterisations that exhaust choices of...
The IceCube Neutrino Observatory is sensitive from 0.5 GeV to the PeV energy range for astrophysical neutrino searches. In addition, the supernova Data Acquisition System (DAQ) allows the collaboration to be sensitive to close-by core-collapse supernovae at MeV energies. There exists, however, a gap between these covered energy ranges. This poster presents ongoing efforts to cover this gap. We...
LEGEND-1000 is a next-generation ton-scale experiment searching for neutrinoless double beta decay of $^{76}$Ge using p-type, high-purity germanium detectors. The experiment is planned for 1000 kg of Ge detectors enriched to more than 90$\%$ in $^{76}$Ge.
The experiment is going to be installed at LNGS (3800 mwe) to reduce direct and induced backgrounds from cosmic rays.
While standard...
Large-scale 6Li-doped pulse shape sensitive plastic scintillator is one of several technologies under development within the Mobile Antineutrino Demonstrator project. Liquid scintillator with similar capabilities was one of key aspects of the aboveground reactor antineutrino detection demonstration by the PROSPECT experiment. However, a plastic material is considered a requirement for truly...
The Cryogenic Underground Observatory for Rare Events (CUORE) is a tonne scale detector designed to search for neutrinoless double beta decay ($0\nu\beta\beta$) in $^{130}$Te. The CUORE detector is made of 988 TeO$_{2}$ crystals operated at around 15 mK in the Gran Sasso National Laboratory(Italy).
The unfolding of the experimental backgrounds is of primary importance in discovering a very...
The observation of neutrinoless double beta (0ν2β) decay would give information on lepton number violation, as well as on the neutrino mass and nature (Dirac or Majorana particle). The CROSS project (Cryogenic Rare event Observatory with Surface Sensitivity) uses bolometers with embedded with Mo100 and Te130 isotopes, which are susceptible to decay through this hypothetical process. The CROSS...
Next generation neutrinoless double beta experiments aims at covering the inverted hierarchy region of the neutrino mass spectrum, with sensitivities on the half-lives greater than 10$^{27}$ years. The CUPID experiment will exploit cryogenic calorimeters to search for neutrinoless double beta decay of $^{100}$Mo. To reach the target sensitivities one of the key requirements is the...
NOvA is a long baseline neutrino oscillation experiment, using Fermilab's NuMI beam and a functionally identical near and far detector. NOvA measures muon neutrino disappearance and electron neutrino appearance to probe neutrino oscillation parameters, including the large neutrino mixing angle, the mass ordering, and the CP-violating phase. NOvA has developed a Bayesian analysis in addition to...
The domain of low energy neutrinos is at the edge of making important measurements, among which the Diffuse Supernova Neutrino Background and the Upturn of the electron flavor survival probability of solar neutrinos. In this context, the next generation of Cherenkov detectors will need algorithms that outperform traditional regression algorithms to reconstruct both low and high energy charged...
BINGO is a project dedicated to explore and demonstrate new methods for background reduction in cryogenic calorimetric $0\nu\beta\beta$ searches. With a target background index at the level of $10^{-5}$ counts/(keV kg yr) it aims at providing a path towards a nearly background free $0\nu\beta\beta$ experiment with a tonne of the isotopes of interest $^{100}$Mo and $^{130}$Te. The major design...
Experiments searching for neutrinoless double beta decay (0νββ) are pushing the boundaries of technology to achieve sensitivities to half-lives on the order of 10$^{28}$ years or beyond. A promising approach involves detecting the daughter barium ion generated in the double beta decay of $^{136}$Xe. The NEXT collaboration is investigating chemical sensors to identify the Ba$^{2+}$ coinciding...
The Deep Underground Neutrino Experiment, DUNE, is a next-generation, long-baseline, neutrino experiment, and flagship project for the U.S. It is poised to perform some of the most precise measurements of the properties of neutrinos in order to elucidate their role in the outstanding matter-antimatter asymmetry. DUNE will make use of the most intense neutrino beams produced by the Fermi...
We investigate the possibility of using the Short Baseline Near Detector at Fermilab, with and without employing the PRISM concept, to constrain the pion and kaon leptonic flavor (and number) violating decays. We show that we can put stringent limits on the flavor violating branching ratios.
The upgrade of the T2K near detector, ND280, will improve the physics capabilities of the experiment, including a reduced proton momentum threshold, increased angular acceptance, and the ability to reconstruct neutron kinematics on an event by event basis. Central to the near detector upgrade is the Super Fine Grained Detector (SuperFGD), which consists of approximately two million optically...
Observation of high-energy neutrinos from the direction of nearby active galaxy, NGC 1068, was a major step in identifying for the origin of high-energy neutrinos. This observation revealed that high-energy neutrinos originated at the heart of active galaxies which are opaque to gamma-ray emission. The realization that is reinforced by the excess of neutrinos in the direction of NGC 4151,...
The Super Fine-Grained Detector (SFGD) is part of a significant upgrade to the near detector in the Tokai to Kamioka (T2K) long-baseline neutrino experiment. It serves to provide excellent precision in measurements of neutrino cross-sections, mass ordering and Charge-Parity asymmetry. With almost 2 million plastic scintillator cubes threaded with wavelength shifting fibres to make up about...
T2K (Tokai to Kamioka) is a long baseline neutrino experiment located in Japan\cite{t2k}. Over the last few years, the experiment has been focused on the study of the $\delta_{CP}$ phase parameter of the PMNS matrix, which may introduce a Charge-Parity violation component in the Leptonic Sector. \
T2K has entered its Second Phase, characterized by upgrades of the Beam Line and of the Near...
In the search for neutrinoless double beta decay (0νββ) experiments, common data analysis methods include the traditional counting method within a region of interest, while energy spectrum fitting methods are used in some experiments like KamLAND-Zen. These two types of methods differ in their sensitivities to the 0νββ half-life.
Simulations are performed to quantify such differences, using...
We derive the complete set of one-loop renormalization-group equations (RGEs) for the operators up to dimension-six (dim-6) in the seesaw effective field theories (SEFTs). Two kinds of contributions to those RGEs are identified, one from double insertions of the dimension-five (dim-5) Weinberg operator and the other from single insertions of the tree-level dim-6 operators in the SEFTs. A...
With detectors at both Fermilab and Ash River, Minnesota, in the United States, NOvA was built to investigate the intricate properties of neutrinos, with a principal emphasis on active three-flavour neutrino mixing phenomena. Comprising two functionally identical detectors, with the Near Detector located 1 km below ground at Fermilab and the Far Detector, located 810 km away and 14 mrad off...
The Short Baseline Neutrino program at Fermilab aims to explore significant regions of parameter space, applicable to sterile neutrinos at the eV mass scale, as suggested by existing experimental anomalies. To this purpose it exploits Liquid Argon Time Projection Chamber detectors located along the Booster Neutrino Beamline to measure both νe appearance and νµ disappearance: the Short Baseline...
Xenon dual-phase time projections chambers (TPCs) have proven to be a successful technology in studying physical phenomena that require low-background conditions. With 40t of liquid xenon (LXe) in the TPC baseline design, DARWIN will have a high sensitivity for the detection of particle dark matter, neutrinoless double beta decay, and axion-like particles (ALPs). Although cosmic muons are a...
We study the conditions under which the Majorana phase of the two flavor neutrino mixing matrix appears in the oscillation probabilities and causes $CP$ violation. We find that the Majorana phase remains in the neutrino evolution equation if the neutrino decay eigenstates are not aligned with the mass eigenstates. We show that, in general, two kinds of $CP$ violation are possible: one due to...
The CUORE (Cryogenic Underground Observatory for Rare Events) experiment at Gran Sasso National Laboratory in Italy primarily searches for neutrinoless double-beta (0$\nu\beta\beta$) decay of $^{130}$Te. The CUORE detector consists of a close-packed array of 988 TeO$_2$ calorimetric detectors cooled to below 15 mK using a custom-built cryogen-free dilution refrigerator. The experiment is the...
The MicroBooNE detector, an 85-tonne active mass liquid argon time projection chamber (LArTPC) at Fermilab, is ideally suited to search for physics beyond the standard model due to its excellent calorimetric, spatial, and energy resolution. This poster will present several recent results using data recorded with Fermilab’s NuMI neutrino beam: a first search for dark-trident scattering in a...
Currently, the ICARUS-T600 liquid argon TPC is collecting data exposed to Booster Neutrino and Numi off-axis beams within the SBN program at Fermilab. A light detection system, based on PMTs deployed behind the TPC wire chambers, is in place to detect vacuum ultraviolet photons produced by ionizing particles in LAr. This system is fundamental for the detector operation, providing an efficient...
MicroBooNE is a short-baseline neutrino oscillation experiment that employs a Liquid Argon Time Projection Chamber (LArTPC) together with an array of Photomultiplier Tubes (PMTs) which detect scintillation light. This light detection provides a means to reject cosmic ray backgrounds and trigger on beam-related interactions. Thus, accurate modeling of the expected optical detector signal is...
The Daya Bay Reactor Neutrino Experiment was designed with the primary goal of precisely measuring the neutrino mixing parameter, $\theta_{13}$. Eight identically-designed liquid scintillator detectors installed in three underground experimental halls measure the reactor antineutrinos from six nuclear reactors with different distances. In addition to the precise measurement via neutron capture...
The ICARUS T600 detector is a liquid argon time projection chamber (LArTPC) installed at Fermilab, aimed towards a sensitive search for possible electron neutrino excess in the 200-600 MeV region. To investigate electron neutrino appearance signals in ICARUS, a fast and accurate algorithm for selecting electron neutrino events from a background of cosmic interactions is required. We present an...
DUNE is the flagship of the next generation of neutrino experiments in the United States. It is designed to decisively measure neutrino CP violation and the mass hierarchy. It utilizes the Liquid Argon Time Projection Chamber (LArTPC) technology, which provides exceptional spatial resolution and the potential to accurately identify final state particles and neutrino events. DUNE's high...
The IceCube Neutrino Observatory at the South Pole has sensitivity to all three active neutrino flavors created by atmospheric and astrophysical sources, spanning six orders of magnitude in energy. Using ten years of data and convolutional neural networks to identify astrophysical tau neutrino morphologies, we detected seven tau neutrino candidates on an estimated background of approximately...
The NOvA experiment presents new measurements of the neutrino oscillation parameters obtained through a fit to data from the one megawatt NuMI neutrino beam in the NOvA detectors. The analysis uses muon-neutrino disappearance and electron-neutrino appearance in both neutrino and antineutrino beam polarities. With the addition of $\sim100\%$ more neutrino-mode beam exposure over the previously...
The Deep Underground Neutrino Experiment (DUNE) is a next-generation neutrino experiment that will consist of a near detector (ND) complex placed at Fermilab, several hundred meters downstream of the neutrino production point, and a larger far detector (FD) to be built in the Sanford Underground Research Facility (SURF), approximately 1300 km away. DUNE will record neutrino interactions from...
The next-generation experiment CUPID (Cuore Upgrade with Particle IDentification) will search for $^{100}$Mo neutrinoless double beta decay (0ν2β) using enriched Li$_2$$^{100}$MoO$_4$ scintillating bolometers facing thin Ge cryogenic light detectors. The dual heat-light readout allows for the discrimination of the α-particles, an important background source in CUORE, CUPID’s predecessor, and...
The discovery of neutrinoless double beta decay ($0\nu\beta\beta$) would be a huge step in the understanding of the nature of the neutrino. SuperNEMO is an experiment designed to search for $0\nu\beta\beta$, whose demonstrator module is located in Modane Underground Laboratory in France (4800 m.w.e). It uses a unique technique combining a tracker and a segmented, scintillator-based calorimeter...
Many current and future accelerator neutrino oscillation experiments, such as DUNE, rely on liquid argon time projection chamber (LArTPC) as the primary detection technology, benefiting from the high light yield from the liquid argon scintillation. However, propagating the scintillation light from the production to the readout channels is typically computationally challenging. A common...
In recent years, the multi-messenger approach in Astrophysics has become a real game changer for better understanding the still unclear phenomena in our universe.
Neutrino telescopes can play a key role by highlighting the hadronic component of such phenomena, testing the known γ-ray sources.
In this contribution, we report the combined analyses of the data collected by two neutrino...
The Diffuse Supernova Neutrino Background (DSNB) is a theoretical astrophysical prediction of a collection of neutrinos from all core-collapse supernovae that ever existed in the Universe. It is yet to be observed. This presentation will showcase the latest results from the gadolinium-loaded Super-Kamiokande (SK) experiment and how it excludes certain theoretical models. While SK is primarily...
LArTPCs are the technology of choice for many current and future neutrino experiments. Improving the performance of LArTPCs to signals with energies less than 10 MeV would substantially enhance the flagship analyses of experiments like DUNE, while potentially enabling the physics of solar neutrinos, dark matter searches, and neutrinoless double beta decay searches.
I outline the pathway and...
The Deep Underground Neutrino Experiment (DUNE), a pioneering project underway in the US, involves the construction of a next-generation neutrino experiment. This experiment features a broadband neutrino beam spanning from Fermilab to the Sanford Underground Research Facility (SURF) in Lead, South Dakota, incorporating a high-precision near detector and a substantial liquid argon...
The Deep Underground Neutrino Experiment (DUNE) is a next generation experiment designed to measure the neutrino and anti-neutrino oscillation probabilities, using a high-intensity neutrino beam (1.2-2.4 MW) produced at Fermilab. With a baseline of 1300 km and large (kton-scale) LArTPC detectors, DUNE will provide an unprecedented precision in measuring the oscillation parameters. Neutrinos...
In this work we have investigated neutrino oscillation in the presence of gravity, in particular the contorsion, which is the non-dynamical part of spin connection. The contraction of contorion field with tetrad gives us torsional coupling constants which can be probed by future long-baseline neutrino experiments like DUNE and P2SO. We use the notations $\lambda_{21}^{\prime}$ and...
The Deep Underground Neutrino Experiment (DUNE) will advance the field of neutrino oscillation to the precision era, independently measuring the entire set of oscillation parameters, thanks to Liquid-Argon TPC technology. The Photon Detection System (PDS) will expand the scientific program of the experiment by providing triggers for non-beam events (atmospheric, solar, and supernova neutrinos)...
The ProtoDUNE experiment is a full engineering prototype of the DUNE far detector, and took test beam data at CERN. ProtoDUNE-SP is the largest Liquid Argon Time Projection Chamber (LArTPC), which contains about 770 tons of liquid argon, with 420 tons in the active volume. The beam of the tertiary particles was designed to cover the expected spectrum of particles from neutrino interactions in...
The current and next generation of long-baseline neutrino experiments are bringing about the era of precision neutrino oscillation measurements. New detectors, technologies and analysis techniques are being developed to meet the challenges posed by these precision measurements. Water Cherenkov neutrino experiments have played a crucial role in neutrino discoveries over the years, providing a...
In core-collapse supernovae and neutron star mergers, the neutrino density is so large that neutrino-neutrino refraction can lead to collective flavor conversions independent of vacuum mixing. These are called fast flavor conversions since the neutrino self-interaction strength $\mu$ represents the characteristic time scale of the system. In the limit of vanishing vacuum mixing, one necessary...
The ANTARES neutrino telescope stopped gathering data in February 2022,
after nearly 16 years of operation. The detector consisted of 12 vertical lines forming a 3D array of photo-sensors, which instrumented about 10 megatons of Mediterranean seawater. We present a method using Deep Learning that improves the direction reconstruction of single-line events, for which the reconstruction of the...
The precise measurement of neutrino properties is a top priority in fundamental particle physics. Accelerator-based neutrino experiments provide a unique framework for such studies, offering oscillation measurements and insights into CP violation in the leptonic sector. The next-generations experiments aim to establish mass ordering and possibly discover charge-parity violation with 5σ...
The Cryogenic Underground Observatory for Rare Events (CUORE) experiment, located at the Gran Sasso National Laboratory in Italy, is an ongoing search for neutrinoless double beta decay. Previous work has shown that the quality of CUORE data can be enhanced through noise decorrelation algorithms utilizing auxiliary devices such as microphones, accelerometers, and seismometers. Here, I will...
Equity, Diversity, and Inclusion (EDI) are important to drive innovation in many different fields, including particle physics. Underground labs are working on many different fronts to improve EDI in their host countries and within particle physics collaborations. Laboratories can institute policies to protect their staff and make improvements to their facilities to increase accessibility....
Recent discoveries made by neutrino telescopes such as the IceCube Neutrino Observatory relied extensively on machine learning tools to infer physical quantities from the raw photon hits detected. Reconstruction algorithms are limited by the sparse sampling of photons by the optical modules due to the relatively large spacing (10 − 100 m) between them in the detector. In this paper, we propose...
The Photon Detection System (PDS) of the first two DUNE far detectors, FD1 and FD2, is
composed of large area photon detection units named X-Arapuca; they embed large area PMMA based wavelength shifting lightguides and dichroic filters custom developed and produced for the LAr environment.
The PDS will complement and boost the calorimetry of the LArTPC, enable the detection of non beam...
Hybrid neutrino detectors utilize both Cherenkov and scintillation light, combining the lower energy threshold of pure scintillators with the enhanced direction resolution of water. These detectors offer improved performance capabilities for fundamental physics goals as well as applications such as nuclear nonproliferation. Benchtop-scale experiments have shown success in...
The ICARUS T600 LArTPC detector was refurbished after an initial run at
the underground LNGS labs and is currently taking data within its experimental hall at Fermilab after full commissioning. Regular data taking began in May 2021 with neutrinos from the Booster Neutrino Beam (BNB) and the Neutrinos at the Main Injector (NuMI) off-axis beam. As the far detector of the Short-Baseline Neutrino...
DUNE’s Near Detector utilizes new technological advancements for Liquid Argon (LAr) Time Project Chambers (TPC), including a modular design and pixel plane charge readout as opposed to the usual wire plane readouts. The full detector will be composed by 5x7 modules, but a demonstrator prototype with 2x2 modules is currently assembled and will take DUNE’s first neutrino beam data at Fermilab. A...
The Deep Underground Neutrino Experiment (DUNE) is a long-baseline, neutrino oscillation experiment designed to measure Charge Parity Violation in the neutrino sector using liquid argon as the primary detector medium. DUNE's main physics program is centered around measuring the flavor profile of beams in neutrino and anti-neutrino modes, as a function of energy, both at the near and the far...
Neutrino tagging is a new experimental method for accelerator based neutrino experiments. The method consists in associating a neutrino interaction with the meson decay (e.g. $\pi^\pm\to\mu^\pm \nu_\mu$ or $K^\pm\to\mu^\pm \nu_\mu$) in which the neutrino was originally produced. The properties of the neutrino can then be estimated kinematically from the decay incoming and outgoing charged...
Sterile neutrinos, postulated as neutral leptons with no standard weak interactions, can be searched for through their mixing with active neutrinos in kinematic neutrino-mass experiments. The KArlsruhe TRItium Neutrino (KATRIN) experiment carries out precision tritium $\beta$-decay spectroscopy close to the kinematic endpoint. While the primary goal is the neutrino-mass measurement with a...
ESSnuSB is a next-to-next generation long baseline neutrino oscillation experiment which aims to the precise measurement of the CP-violation in the leptonic sector studying neutrino oscillation at the second atmospheric maximum. The unique features of this experiment provide a great environment where to search for tiny new physics effects in neutrino oscillation beyond the three neutrino...
LEGEND1000 is a ton scale experiment searching for neutrinoless double beta ($0\nu\beta\beta$) decay of $^{76}$Ge. The experiment uses High Purity Germanium (HPGe) crystals, which, enriched by $^{76}$Ge, serve as source and detector simultaneously. The discovery potential of LEGEND1000 lies at half-lives greater than $10^{28}$ years.
Due to the complexity of the data produced by this...
CUORE is a ton-scale experiment designed for the search of the neutrinoless double beta ($0\nu\beta\beta$) decay of $^{130}$Te. Hosted in Italy at the Gran Sasso National Laboratory (LNGS), CUORE consists in an array of 988 cryogenic calorimeters operated below $\simeq$15 mK.
Experiments working at the millikelvin-scale are usually characterized by very good energy resolution. However, they...
The IceCube Neutrino Observatory is a one-cubic-kilometer-sized neutrino telescope deployed in the deep Antarctic ice at the South Pole. One of IceCube’s major goals is finding the origin of astrophysical high-energy neutrinos. In 2022, IceCube published the results of a search for astrophysical point-like sources of neutrinos in the Northern Sky using 9 years of events produced by...
The search for neutrinoless double beta decay is crucial to shed light on neutrino properties and broader cosmological questions. Experiments utilizing the isotope 76Ge have been essential in advancing the sensitivity to neutrinolsess double beta decay. The LEGEND project uses High Purity Germanium (HPGe) detectors and minimize background interference through the application of Pulse Shape...
As more measurements on various event topologies of neutrino-nucleus interactions become available, Monte Carlo (MC) prediction from neutrino event generators, such as GENIE, shows considerable deviation from some data sets while matching others relatively well. In this work, we present the first global analysis, enabled by the GENIE global analysis framework, of four Transverse Kinematic...
This poster presents new results from the first joint oscillation analysis of atmospheric neutrinos at Super-Kamiokande (Super-K) and accelerator neutrinos at Tokai-to-Kamioka (T2K). Leveraging Super-K atmospheric neutrinos, which are sensitive to mass ordering, and T2K accelerator neutrinos, which are sensitive to the CP violation phase, the joint analysis is able to improve sensitivity by...
KM3NeT/ORCA is a water Cherenkov neutrino telescope under construction in the Mediterranean sea. With ORCA, the KM3NeT collaboration will measure atmospheric neutrino oscillations to determine the neutrino mass ordering and constrain the oscillation parameters $Δm_{31}^2$ and $θ_{23}$. In addition, Beyond the Standard Model hypotheses can be tested. In this contribution, the sensitivity of...
This poster presents the first measurement of cosmogenic $^8$He isotope production in liquid scintillator at Daya Bay, using an innovative method for identifying cascade decays of $^8$He and its child isotope, $^8$Li. We also measure the production yield of $^9$Li isotopes using two independent methods. The results, in units of $10^{-8}\mu^{-1}\rm g^{-1}cm^{2}$, are 0.307$\pm$0.042,...
LEGEND-200 is an experiment designed to search for neutrinoless double beta decay ($0\nu\beta\beta$) in $^{76}$Ge at LNGS in Italy. The sensitivity of $0\nu\beta\beta$ experiments is strongly affected by the background level. LEGEND-200 aims to reach a background index of $2\times 10^{-4}$ counts/keV/kg/yr at $Q_{\beta\beta}$. With an exposure of 1 tonne-yr this would lead to a half-life...
The Tokai to Kamioka (T2K) experiment is a long baseline neutrino experiment in Japan which aims to measure neutrino oscillation parameters with world leading precision. One of the most profound and challenging tasks facing T2K is determining whether or not CP symmetry is violated in the lepton sector.
In order to perform these measurements, we require excellent constraints on systematic...
The search for neutrinos with energies greater than $10^{17}~$eV is being actively pursued. Although normalization of the dominant neutrino flux is highly uncertain, a floor level is guaranteed by the interactions of extragalactic cosmic rays with Milky Way gas. We estimate that this floor level gives an energy flux of $E^2\phi_\nu\simeq 10^{-13^{+0.5}_{-0.5}}~$GeV~cm$^{-2}$~sr$^{-1}$~s$^{-1}$...
In 2021, the MAJORANA DEMONSTRATOR experiment concluded its investigation into neutrinoless double beta decay involving $^{76}$Ge. Proven to be one of the world's ultra-low-background facilities, we adapted the apparatus to explore the rare decay of a distinct isotope. Notably, in nature $^{180m}$Ta stands as the sole known isotope existing in an isomeric state rather than the ground state. ...
The KM3NeT next generation deep-sea neutrino telescopes are currently under construction in the Mediterranean Sea. Two water-Cherenkov neutrino detectors, ARCA and ORCA, are located in two different sites, south-est of Portopalo di Capopassero (Italy) and close to Toulon (France), respectively. The KM3NeT/ARCA telescope, a cubic kilometer volume detector, is optimised for the detection of...
Long baseline neutrino experiments are moving toward precision measurements of the oscillation parameters; namely the CP violation phase, the mass ordering or the octant of $\theta_{23}$. This means systematic uncertainties must be reduced to few percent level, especially those related to neutrino interactions. This is usually done by using near detector data to constrain theoretical models....
Following the exciting discovery of astrophysical neutrinos and subsequent studies of their origins by IceCube, future improved all-flavor neutrino detection would allow for a strong probe into the abundant physics lying within these astrophysical sources. The main challenge in flavor identification is to break the degeneracy among cascade events and separate out the interactions due to tau...
MicroBooNE, a Liquid Argon Time Projection Chamber (LArTPC) located in the $\nu_{\mu}$-dominated Booster Neutrino Beam at Fermilab, has been studying $\nu_{e}$ charged-current (CC) interaction rates to shed light on the MiniBooNE low energy excess. The LArTPC technology employed by MicroBooNE provides the capability to image neutrino interactions with mm-scale precision. Computer vision and...
The reliable estimation of accelerator neutrino beam fluxes is important for precise neutrino oscillation measurements in searching for CP violation in the leptonic sector. In long-baseline neutrino experiments, the neutrino flux uncertainties contribute significantly to uncertainties in neutrino oscillation parameters. Hadron production is the largest component of the flux uncertainty, so...
Identification of background radiation is of utmost importance for enabling rare event experiments. The Neutrinoless double beta decay experiment LEGEND, utilizes background suppression to reach sensitivities of $T_{1/2}>10^{28}$yrs with the isotope $^{76}$Ge. Poly(ethylene-2,6-naphthalate) (PEN) has emerged as a highly promising material for LEGEND due to its intrinsic scintillating...
The NOvA experiment’s most recent search for eV-scale sterile neutrinos is systematically limited in the region of parameter space where $\Delta m^2_{41} \gtrsim 1~\mathrm{eV}^2$. This region of parameter space is preferred by sterile neutrino interpretations of current experimental anomalies; improving sensitivity here is high-priority. When added directly into the fit, additional data...
Cryogenic calorimeters are particle detectors that measure energy as a temperature rise. To achieve adequate sensitivity, they must be operated at $\sim$10mK, where they achieve optimum energy resolution. When using a scintillating crystal as a particle absorber, reading the scintillation light from a second cryocalorimeter provides particle identification. Both elements have NTD thermistors...
Underwater or in-ice neutrino oscillation experiments, which detect the products of neutrino interactions via Cherenkov radiation, have traditionally reconstructed events using a ‘track’ or ‘shower’ event classification scheme. At the neutrino energies of interest to these experiments, deep inelastic scattering is the dominant interaction mechanism. As a result, a hadronic shower is always...
Jiangmen Underground Neutrino Observatory (JUNO), under construction in South China, is designed to resolve the neutrino mass ordering using the oscillatory pattern of the electron anti-neutrinos produced in nuclear reactor cores. With a baseline of 52.5 km and a fine energy resolution of 3% at 1 MeV, JUNO will allow for the observation of two neutrino oscillation modes simultaneously,...
Core-collapse supernovae (CCSNe), the explosions marking the end of a massive star’s life cycle, are of immense interest in astrophysics but their underlying mechanism is not completely understood yet. Given the high density and opacity of the star’s core, neutrinos emerge as the most promising probe for unravelling the CCSN dynamics. However, such neutrinos would be detected only if a...
Hyper-Kamiokande is the next generation Water Cherenkov experiment in Japan, which will study with unprecedented precision the oscillations of different types of neutrinos, as well as neutrinos of astrophysics origin. The inner part of this massive new detector will be instrumented with 20000 high precision photomultiplier tubes (PMT). The R12860 PMT was developed by Hamamatsu Photonics for...
Building upon the LEGEND-200 experimental program, LEGEND-1000 is an upcoming ton-scale experiment in search of Neutrinoless Double Beta Decay ($0\nu\beta\beta$). Consisting of over 300 $\sim$3 kg germanium detectors surrounded by an instrumented liquid argon shield, L-1000 aims to make a 99.7% CL discovery of $0\nu\beta\beta$ with sensitivity covering the full inverted neutrino mass ordering,...
We explore the connection between low-scale CP-violating Dirac phase $(\delta)$ and high-scale leptogenesis in a Left-Right Symmetric Model (LRSM) with scalar bidoublet and doublets. The fermion sector of the model is extended with one sterile neutrino $(S_L)$ per generation to implement a double seesaw mechanism in the neutral fermion mass matrix. The double seesaw is performed via the...
We report recent progress on a LiF Experiment for keV Sterile Neutrino Search (LiFE-SNS) based on tritium beta decay measurement at mK temperatures. We use LiF crystals with $^3$H embedded through the Li(n,$\alpha$)$^3$H process. Magnetic microcalorimeters, one of the high-resolution detector technologies, are adopted to measure the amount of the energy deposited into the crystal absorber from...
The Deep Underground Neutrino Detector (DUNE) is a long-baseline neutrino oscillation experiment currently under construction at the Sanford Underground Research Facility, with a near detector planned for installation at Fermi National Laboratory. Prototypes for Near and Far Detector components have already recorded data from cosmic rays and mixed hadron beams; however, the 2x2 Demonstrator,...
One of the longest-standing sterile neutrino anomalies is the Gallium anomaly in which transition from electron neutrino to sterile neutrino oscillation on the meter scale has been suggested as a solution to measured electron neutrino deficit originally observed in GALLEX and SAGE experiments, and more recently in the BEST experiment in which a 4 sigma significant deficit of electron neutrinos...
The LEGEND-200 experiment at Laboratori Nazionali del Gran Sasso, is designed to search
for neutrinoless double beta decay of 76Ge. The experiment uses about 200 kg of high-purity
germanium (HPGe) detectors, enriched in 76Ge, deployed within a cryostat filled with liquid
argon (LAr). The LAr acts as a cooling medium and as an active shield. The LAr
instrumentation is deployed in LEGEND-200...
The Cryogenic Underground Observatory for Rare Events (CUORE) is a bolometric neutrinoless double-beta ($0\nu\beta\beta$) experiment, which has collected over 2 Tonne$\cdot$years of TeO$_2$ exposure. CUORE’s primary analysis of searching for $0\nu\beta\beta$ in $^{130}$Te has an energy region of interest at $\sim$ 2,500 keV. CUORE’s extremely low background levels, high energy resolution, and...
The MicroBooNE detector is a liquid argon TPC located in the Booster Neutrino Beamline at Fermilab. Leveraging the unique capabilities of the LArTPC technology to distinguish photons from electron showers, one of MicroBooNE's primary goals is to investigate MiniBooNE low energy excess (LEE), an anomalously large observed rate of events containing a single electromagnetic shower. This...
Radioanalytical chemistry methods and techniques have recently been widely involved in very low-level radioactivity measurements for physics experiments searching for extremely rare events. All experiments searching for events with elusive rates are bound by the unavoidable necessity to reduce to zero background levels and enlarge a target material to identify feeble signals. The need to...
The Search for Hidden Particles (SHiP) experiment will be the new flagship project of the CERN Physics Beyond Colliders intensity frontier, featuring a dedicated Beam Dump Facility (BDF) at CERN's North Area ECN3 to exploit the full potential of the 400 GeV SPS proton beam.
The experiment is realised by a two-fold detector setup enabling a diverse physics program: While the Hidden Sector...
One of the primary oscillation physics goals of the Deep Underground Neutrino Experiment (DUNE) far detector (FD) is the measurement of CP violation in the neutrino sector. To achieve this, DUNE plans to employ large-scale liquid-argon time-projection chamber technology to capture neutrino interactions in unprecedented detail. Such fine-grain images demand a highly sophisticated automated...
Cosmic muon interactions leading to the in-situ production of long-lived radioisotopes may introduce a significant background in the context of rare event searches conducted deep underground. Specifically, the delayed decay of $^{77(m)}$Ge emerges as the primary contributor from in-situ cosmogenic sources for the neutrinoless double-beta decay search with $^{76}$Ge. The future LEGEND-1000...
SNO+ is an operational kiloton-scale multipurpose neutrino experiment loaded with linear alkylbenzene-based scintillator. SNO+ analyses have traditionally reconstructed event positions by maximizing a complex likelihood function based on PMT hit times. Machine learning presents an interesting alternative to likelihood for reconstruction problems, being able to learn corrections to averaged...
Pu-241 is a newly proposed nuclide for studying the nature of neutrinos to complement tritium-based experiments. Pu-241 decays into Am-241 via first-forbidden non-unique beta minus decays with 20.8-keV Q-value and 14.3-year half-life, making it suitable for keV sterile neutrino search as well as active neutrinos mass measurement. MAGNETO-v experiment uses magnetic microcalorimeters in...
Current bounds on neutrino Majorana mass are affected by significant uncertainties in the nuclear calculations for neutrinoless double-beta decay. A key issue for a data-driven improvement of the nuclear theory is the actual value of the axial coupling constant g$_A$, which can be investigated through forbidden β-decays. In this contribute, we present the [first measurement][1] of...
The XENONnT experiment, situated at the INFN Laboratori Nazionali del Gran Sasso, is a dark matter direct detection experiment with a target of 5.9 tonnes of instrumented liquid xenon. The detector aims to detect the O(10)keV signal from a dark matter particle recoil, but it also offers the possibility to measure radioactive decays at higher energies. Our study presents a method to perform a...
Discovering neutrinoless double-beta decay ($0\nu\beta\beta$) would be a huge step in understanding the neutrino's nature. The SuperNEMO experiment is designed to search for $0\nu\beta\beta$, using its Demonstrator Module in LSM, Modane, France, at a depth of 4800$\,$m.w.e. Its tracker and segmented, scintillator-based calorimeter enable unambiguous particle identification, time-of-flight and...
Two-neutrino double electron capture (2$\nu$DEC) is a second-order weak interaction process. The half-life of 2$\nu$DEC is directly related to that of neutrino-less double electron capture (0$\nu$DEC) and is of significant importance for revealing the Majorana nature of neutrinos. PandaX-4T is a time projection chamber with 3.7 tons of natural xenon in the active volume, which contains...
LArIAT is a liquid argon time projection chamber (LArTPC) experiment in a test beam at Fermilab from 2015 to 2017 to understand and characterize interactions of particles in LAr which are commonly observed in neutrino-Ar final-states. Tracks for pions and muons in LArTPCs are difficult to differentiate since both particles exhibit very similar ionization profiles for muon and pion that stop in...
The Payload for Ultrahigh Energy Observations is a balloon-borne detector for astrophysical neutrinos with energies in the EeV range. Flying on a long duration balloon over Antarctica, it will measure the radio signals from particle showers that are produced when UHE neutrinos interact within the ice.
A neutrino undergoing charged current interaction will also result in a charged lepton,...
Neutrons produced in neutrino interactions tend to represent considerable missing energy, leading to biases in neutrino energy estimates, which in turn can produce biases in measured oscillation parameters. However measuring neutron production in neutrino interactions is challenging. In this poster we present a method for identifying neutrons produced in neutrino interactions in the...
Neutrons pose a significant challenge in neutrino experiments where energy reconstruction is critical. The behavior of neutrons is particularly model-dependent because they can take away interaction energy that is largely unseen owing to their non-ionizing nature. Below 20 MeV, many interaction models, like Geant4, employ measurements of final-state particle content to produce accurate neutron...
The ICARUS detector, situated on the Fermilab beamline as the Far Detector of the SBN (Short Baseline Neutrino) program, is the first large-scale operating LArTPC (Liquid Argon Time Projection Chamber). The mm-scale spatial resolution and precise timing of LArTPC enable voxelized 3D event reconstruction with high precision. A scalable deep-learning (DL)-based event reconstruction framework for...
Searching for high-energy neutrino emission from Seyfert Galaxies has
become paramount since the IceCube evidence of neutrino emission from NGC 1068. In
this contribution, we present a binned likelihood stacking search for Seyfert Galaxies,
exploiting both KM3NeT/ARCA and ANTARES data. First, we perform a model-
dependent search, testing the state-of-the-art hot corona neutrino modelling...
The MAJORANA DEMONSTRATOR was a neutrinoless double-beta decay ($0\nu\beta\beta$) experiment containing ~44 kg of p-type point contact germanium detectors, of which ~30 kg were enriched to 88% in $^{76}$Ge. The DEMONSTRATOR’s low background rate and excellent energy resolution of 2.52 keV at the $0\nu\beta\beta$ Q-value allowed it to set a lower limit of $8.3 \times 10^{25}$ yrs on the...
The X-ARAPUCA is the latest iteration of a family of devices capable of detecting single photons from liquid argon scintillation, serving as the building blocks of DUNE's Photo Detection System. Along with the instrumentation for the device, a full physics simulation called ArapucaSim was created that can replicate the observed efficiencies of real devices. This makes it a useful tool for...
The FASER experiment studies three generations of neutrinos in the unexplored TeV energy region using the Large Hadron Collider at center-of-mass energy of 13.6 TeV.
The FASER detector is located 480 m downstream the ATLAS IP.
The FASER$\nu$ emulsion detector, a component of FASER, consists of 730 layers of emulsion films and tungsten plates, with a target mass of 1.1 tons.
Thanks to the...
The Large Enriched Germanium Experiment for Neutrinoless $\beta \beta$ Decay (LEGEND) is an experimental program dedicated to the search for the neutrinoless $\beta \beta$ decay of $^{76}$Ge. The experiment is being designed to reach a half-life sensitivity of $10^{28}$ yr in the next experimental phase, LEGEND-1000, which requires a background rate of $10^{-5}$...
Knowledge of the neutrino flux is necessary to precisely measure neutrino oscillation parameters with accelerator-generated neutrino beams. Hadron production is a dominant source of neutrino flux uncertainty in long-baseline neutrino experiments, such as NOvA, T2K, and DUNE. These uncertainties are reduced by precisely measuring hadron-nucleus interactions in the target materials used to...
A simulation of the neutrino beam for the upcoming Hyper-Kamiokande (Hyper-K) experiment is essential for predicting neutrino fluxes accurately at the near and far detectors, which is crucial for measuring various neutrino oscillation parameters such as mixing angles, mass differences and the CP-violating phase. G4Jnubeam is a new beam simulation software based on the GEANT4 package currently...
The Deep Underground neutrino experiment (DUNE), consisting of near (DUNE-ND) and far (DUNE-FD) detectors, is a long-baseline experiment that is designed to measure neutrino oscillations, as well as searches beyond the standard model. The DUNE-FD will operate with a total volume of 70 kiloton liquid argon and will be situated at Sanford Underground Research Facility (SURF) in South Dakota. The...
The field of neutrino oscillation study is full of unique and insightful experiments, and global fits can be conducted to study their results in a unified and coherent approach, exploiting the strengths of the different experiments. For the success of a global study, factors such as experiment modelling, parameter space exploration, and statistical interpretation are of vital importance.
In...
Liquid Argon Time Projection Chamber (LArTPC) detectors offer impressive charged particle imaging capability with high spatial resolution. Precise event reconstruction procedures are mandatory in order to fully exploit the potential of this technology.
The ICARUS collaboration employed the 760-ton T600 detector in a successful three-year physics run at the underground LNGS laboratory. A...
We discuss a left-right (L-R) symmetric model with
the double seesaw mechanism at the TeV scale generating Majorana
masses for the active left-handed (LH) flavour neutrinos
$\nu_{\alpha L}$ and the heavy right-handed (RH) neutrinos $N_{\beta R}$, $\alpha,\beta = e,\mu,\tau$, which in turn mediate lepton number violating processes, including neutrinoless double beta decay.
The Higgs...
The Cryogenic Underground Observatory for Rare Events (CUORE) is a ton scale experimental search for 0$\nu\beta\beta$ decay on ${}^{130}$Te. The CUORE detector consists of 988 TeO$_2$ crystals operating as cryogenic bolometers at the Gran Sasso National Laboratory (LNGS) in Italy. While simulations suggest that about 11\% of 0$\nu\beta\beta$ decay events deposit energy in more than one...
The nEXO experiment will search for neutrinoless double beta (0$\nu\beta\beta$) decay using a 5-tonne liquid xenon (LXe) time projection chamber (TPC), enriched to 90% in Xe136, with a projected half-life sensitivity $>$ 10$^{28}$ years after 10 years of lifetime. The observation of lepton number non-conserving 0$\nu\beta\beta$ decay would imply new physics and require neutrinos to be Majorana...
This work investigates the physics potential of hypothetical large-scale detectors observing the interactions of neutrinos produced in proton-proton collisions at the LHC. We focus on the LHCb interaction point, as the forward neutrino flux from this location passes through Lake Geneva before exiting the Earth's surface. This offers two interesting possibilities: (1) a long pipe-like detector...
We present the method of determination of neutron capture cross section on Carbon with 3158 days of operation of Daya Bay reactor antineutrino experiment through the inverse beta decay reaction. The detection process involves the annihilation of a positron followed by a thermalized neutron capture event. In Daya Bay experiment, three predominant forms of neutron capture events emerge:...
The Deep Underground Neutrino Experiment (DUNE) wants to advance our understanding of neutrinos with remarkable precision. The main sources of detector systematic uncertainties are limitations of calibration and modeling of particles in the detector. Neutrons especially can account for up to 20% of the energy response uncertainty. In order to facilitate more accurate neutrino measurements in...
T2K (Tokai to Kamioka) is a Japan-based long-baseline neutrino oscillation experiment designed to measure (anti)neutrino flavor oscillations. A muon (anti-)neutrino beam peaked around 0.6 GeV is produced in Tokai and directed toward the water Cherenkov far detector Super-Kamiokande (SK) located at 295 km. The ND280 is used to characterise the neutrino beam before the oscillation, and its data...
The Super-Kamiokande (SK) experiment has the world's leading sensitivity to the astrophysical electron anti-neutrinos up to a few tens MeV, such like supernova originating neutrinos. In 2020, SK was upgraded to enhance its neutron capture signal by loading gadolinium, termed as the SK-Gd phase. Since 2022, more Gd has been loaded to achieve about 75% of neutron captures on Gd. Thanks to this,...
NOvA is a long-baseline neutrino experiment at Fermilab that studies neutrino oscillations via electron neutrino appearance and muon neutrino disappearance. The oscillation measurements compare the Far Detector data to an oscillated prediction informed by the Near Detector (ND) data. This ND-informed prediction is produced from the neutrino generator GENIE, which provides NOvA with a set of...
In 2023, the MicroBooNE experiment published its first constraints on light sterile neutrino oscillations using neutrinos from the on-axis Booster Neutrino Beam (BNB). A limitation of this first result came from the cancellation between electron neutrino disappearance and muon neutrino to electron neutrino appearance oscillations leading to a degeneracy in the extracted oscillation fit...
The oscillation of neutrinos has been measured in various channels since its experimental confirmation in 1998. However, there are only few observations of the tau neutrino appearance with large uncertainties. Better constraints on $|U_{\tau3}|^2$ are needed to probe the unitarity of the PMNS matrix U in the third mass eigenstate column $\left| U_{e3} \right|^2 + \left| U_{\mu 3} \right|^2 +...
Neutrino experiments are set to probe some of the most important open questions in physics, from CP violation and the nature of dark matter. The technology of choice for many of these experiments is the liquid argon time projection chamber (LArTPC). In current LArTPC experiments, reconstruction performance often represents a limiting factor for the sensitivity. New developments are therefore...
The highly detailed images produced by liquid argon time projection chamber (LArTPC) technology hold the promise of an unprecedented window into neutrino interactions; however, traditional reconstruction techniques struggle to efficiently use all available information. This is especially true for complicated interactions produced by tau neutrinos, which are typically large, consist of many...
NvDEx is a new Se-based TPC detector that will look for neutrinoless double beta decay. It will be placed in China JingPing Underground Laboratory, where the large rock overburden (2.4 km) will suppress significantly the cosmogenic background. Moreover, the high Q-value of $^{82}$Se, 2.996 MeV, will place the ROI well above most of the environmental background. As a result, it will be possible...
Super-Kamiokande is a large underground water Cherenkov detector for neutrino physics and nucleon decay search in Kamioka, Japan. We upgraded its detector with gadolinium (Gd) in 2020 (SK-Gd) to improve electron antineutrino ($\bar{\nu}_{\text{e}}$) identification. The higher energy yield from neutron capture of Gd enables the SK trigger system to apply to a lower energy region in...
P-ONE (Pacific Ocean Neutrino Experiment) is a future cubic-kilometre scale water Cherenkov neutrino telescope that will be located in the Pacific Ocean off the coast of Canada. P-ONE has a broad program including various topics in neutrino astronomy, oceanography and climate monitoring. The detector itself will be made of 70 lines consisting of 20 P-OMs (P-ONE optical modules) and connected...
Finding evidence of neutrinoless double beta decay would reveal the Majorana nature of the neutrino and give insight into the origins of the matter-antimatter asymmetry in the universe, the smallness of neutrino mass, and the symmetry structure of the Standard Model. The NEXT collaboration is developing a sequence of high pressure xenon gas time projection chambers with the aim of creating a...
The discovery of neutrinoless double beta decay ($0\nu \beta \beta$) would definitively prove both that lepton number is not a fundamental symmetry in nature and that neutrinos are their own antiparticles. Furthermore, being a purely matter-creating process, it would be pivotal for our best theories of the matter-antimatter asymmetry in our universe. LEGEND (Large Enriched Germanium Experiment...
In the framework of Physics Beyond Colliders (PBC) initiative at CERN, a concept for a short-baseline neutrino beamline is currently being studied. Particularly, the ENUBET and NuTag collaborations that previously designed different versions of short and long baseline monitored and tagged neutrino beams are now collaborating towards a common design and conceptual feasibility study. Within the...
The DUNE Far Detector will consist of four Liquid Argon TPC modules. One module will use the newly proposed Vertical Drift Technology, where the anode is made of 2 stacked drilled PCBs. A large scale prototype has been assembled at the CERN Neutrino Platform (ProtoDUNE-VD) and will start collecting cosmic data in fall 2024.
The ProtoDUNE-VD is made of 4 anode modules, which have all been...
The Deep Underground Neutrino Experiment (DUNE) is a next generation long baseline neutrino experiment aiming to provide insight towards the main outstanding questions in neutrino physics. It will operate four enormous far detector modules, placed 1300 km from the baseline 1.5 km underground.
The second of these far detectors will consist of a Liquid Argon Time Projection Chamber (LArTPC),...
The nEXO experiment, a pioneering initiative aimed at searching for the elusive neutrinoless double beta decay of $^{136}$Xe, sets an ambitious half-life sensitivity target exceeding $10^{28}$ years. The project utilizes a 5-tonne liquid xenon (LXe) Time Projection Chamber (TPC), right-cylindrical with a diameter of $1.3$ m. Achieving precise calibration of the detector's ionization and...
ESSnuSB (European Spallation Source neutrino Super-beam) is an upcoming accelerator-based neutrino oscillation experiment which aims to measure the leptonic CP violation phase by measuring at the second oscillation maximum. The neutrinos produced in the ESS will be detected at a distance of 360 km using half megaton underground water Cherenkov neutrino detector. Additionally, there is a...
In the neutrinoless double beta decay search using a low-temperature detector technique such as AMoRE, one of the major background sources at the energy range of interest is an accidental coincidence of two background signals at one crystal detector, so-called pile-up. While a large mass$\cdot$time exposure is the key parameter of the experimental sensitivity, the pile-up event rate ultimately...
NOvA is a long-baseline neutrino oscillation experiment with two functionally identical detectors, a Near Detector (ND) at Fermilab, placed 1km from the neutrino source, and a Far Detector (FD) located 810 km away from the ND in Minnesota. NOvA’s primary physics goals are to measure the neutrino oscillation parameters $\theta_{23}$ and $\Delta m^2_{32}$ with high precision, determine the...
Although the standard 3-flavor framework has been firmly established and
the phenomenon of neutrino oscillations is very well understood within this
framework, there are anomalies in the experimental data which cannot be ac-
commodated in this scenario. One of the explanations for these anomalies is
the extension of the 3-flavor paradigm with an additional sterile neutrino.
Although it is...
ZICOS is a one of future experiments for neutrinoless double beta decay using $^{96}$Zr nuclei. In order to achieve sensitivity over $10^{27}$ years, ZICOS will use tons of $^{96}$Zr, and need to remove $^{208}$Tl background events as observed by KamLAND-Zen one order of magnitude. For this purpose, we have developed new technique to distinguish the signal and background using a topology of...
During a core-collapse supernova, a large fraction of neutrinos come out from the proto-neutron star. Some of these neutrinos pair annihilate to produce an electron-positron pair. This process in the fireball is the main source of large GRB energy. In this poster, I will discuss interesting constraints on $Z^\prime$ couplings obtained from GRB observations. I will also discuss that the...
Neutrino-less double-beta (0νββ) decay is a rare nuclear process with profound implications for verifying the Majorana nature of neutrinos and determining their masses. The Majorana nature of neutrinos is crucial for understanding neutrino properties and the origin of the matter-dominant universe.
The KamLAND-Zen experiment, located at the Kamioka underground laboratory in Japan, has been at...
Ultra-High Energy (UHE) neutrinos, those with energy greater than 100 PeV, have yet to be observed but are theorized to originate from astrophysical and cosmogenic sources. The Askaryan Radio Array (ARA) is a UHE neutrino observatory located at the South Pole that was built to discover such UHE neutrinos. ARA is composed of 5 stations that are each made up of vertically and horizontally...
The Daya Bay experiment has accumulated the world’s largest reactor antineutrino sample, which enables several critical precise measurements. Based on about 4.7 million inverse beta decay (IBD) candidates recorded at the Daya Bay near detectors throughout their entire operational lifespan, we present the latest measurements of reactor antineutrino flux and spectrum in this poster....
XENONnT is a state-of-the-art dark matter and neutrinos experiment hosted at the Laboratori Nationali del Gran Sasso (LNGS), in Italy. In its core, the experiment runs a time projection chamber (TPC) with an active target of 5.9 t of the liquid xenon at very low background conditions and keV-level energy threshold.
Although primarily developed to detect Weakly Interacting Massive Particles...
The NOvA experiment uses the ~1 MW NuMI beam from Fermilab to study neutrino oscillations over a long distance. The experiment is focused on measuring electron neutrino appearance and muon neutrino disappearance at its Far detector situated in Ash River, Minnesota. NOvA was the first experiment in High Energy Physics to apply convolutional neural networks to the classification of neutrino...
The ForwArd Search ExpeRiment (FASER) is located at the LHC at CERN, investigating long-lived, weakly interacting particles produced in the far-forward region of the ATLAS interaction point. The FASER$\nu$ detector is composed of alternating emulsion films and tungsten plates, with multiple yearly exposures, and focuses on high-energy collider neutrino interactions in the TeV regime, with the...
This poster presents the most recent T2K oscillation analysis results using 3.78×10^21
protons on target (POT) and highlights the expected sensitivity to the neutrino oscillation
parameters for the forthcoming next generation experiment in Japan - Hyper-Kamiokande
(Hyper-K).
By employing advanced methods for neutrino interaction modeling and neutrino flux
prediction, T2K data are analyzed...
Besides detecting ultra-high energy (UHE) cosmic rays, the Pierre Auger Observatory with its large Surface Detector array can also be used to search for neutrinos above $10^{17} \mathrm{eV}$. Using the data collected with the Observatory we have searched for both diffuse and point source fluxes of UHE neutrinos and to set some of the most stringent upper limits in the UHE range. Since its...
The Deep Underground Neutrino Experiment (DUNE), currently under construction, will use a high-intensity neutrino beam from Fermilab and observe the neutrinos in the near detector based at Fermilab and the far detector complex located at SURF. The DUNE near detector complex will host a suite of detectors that are currently in development. The experiment will make precision measurements of the...
Located underground, at the Gran Sasso National Laboratory, the Cryogenic Underground Observatory for Rare Events (CUORE) is a neutrinoless double beta ($0\nu\beta\beta$) decay experiment employing bolometric detectors. CUORE consists of an array of 988 TeO$_2$ crystals acting as both the source and the detector for the search of $0\nu\beta\beta$ decay in 206 kg of $^{130}$Te. Although the...
The nuclear matrix element (NME) of neutrinoless double-β (0vββ) decay is an essential theoretical input for determining the neutrino effective mass, if the half-life of this decay is measured. The NME is also necessary for the detector design for the next generation of the 0vββ decay search. Reliable calculation of this NME has been a long-standing problem because of the diversity of the...
The RES-NOVA project hunts neutrinos from the cosmos (e.g. Sun, Supernovae) via coherent elastic neutrino-nucleus scattering (CEνNS) using an array of archaeological lead (Pb) based cryogenic detectors. The high CEνNS cross-section on Pb and the ultra-high radiopurity of archaeological Pb enable the operation of a highly sensitive neutrino observatory, equally sensitive to all neutrino...
The Jinping Neutrino Experiment (JNE) is conducted at the China Jinping Underground Laboratory (CJPL), the deepest underground facility globally. JNE focuses on researching solar neutrinos, geo-neutrinos, supernova neutrinos, and neutrinoless double beta decay. The Jinping Neutrino one-ton prototype, located in CJPL-I, has completed measurements of cosmic rays and background. Currently, JNE is...
CUPID-Mo has served as a successful demonstrator experiment for CUPID (CUORE Upgrade with Particle ID), the planned next-generation upgrade of CUORE (Cryogenic Underground Observatory for Rare Events), a ton scale cryogenic calorimetric $0\nu\beta\beta$ decay experiment. CUPID-Mo operated at Laboratoire Souterrain de Modane (LSM) in France as an array of 20 enriched Li$_{2}$MoO$_{4}$ (LMO)...
NOvA and T2K represent the two current-generation long-baseline neutrino oscillation experiments. Their complementarity in terms of detector design, analysis strategy, baseline, and neutrino beam energy has the potential to provide further insight into the observed degeneracies in the oscillation parameter space. The first joint NOvA-T2K analysis incorporates datasets from each experiment into...
The MINOS(+) experiment has pioneered the two-detector method used for neutrino oscillation physics widely used today. It collected data from 2005 to 2016 using two tracking iron scintillator calorimeters, a Near detector close to the NuMI neutrino beam source at Fermilab, and a Far detector 735km away, deep underground in the Soudan Mine in Minnesota. An improved analysis of the full beam...
The search for gamma ray counterparts of IceCube neutrino events is of paramount important for understanding the role of blazars as candidate sources of cosmic high energy neutrinos. We have searched in the AGILE gamma-ray satellite public archive the counterparts of a sample of IceCube neutrinos events detected between September 2018 and March 2020. We present the candidate sources in the...
The strength of multi-messenger astronomy allows to deeply investigate the Universe by combining observations with diverse messengers, such as photons, gravitational waves, high-energy charged particles and neutrinos. The chance of detecting new astrophysical sources is increased by a coincident detection, which motivates several observatories to send external alerts and perform...
The separate observation of Cherenkov and scintillation light in liquid scintillation media and thus the extraction of a directional signal and excellent energy and vertex resolution holds great potential in current R&D projects for large scale neutrino detectors like JUNO or Theia. This method offers promising prospects in background suppression methodologies. In particular, the ability to...
We searched for 10-1,000 GeV neutrinos from 2,268 gamma-ray bursts of IceCube-DeepCore data collected between April 2012, and May 2020. We have also conducted the same search for the "brightest of all time" (BOAT) GRB 221009A. We find no evidence of neutrino emission from these GRBs. We present model-independent limits on neutrino emission from these GRBs for various time scales that overlap...
The ANTARES neutrino telescope took data from 2007 to 2022, collecting a high-purity sample of high-energy neutrinos. This sample can be used to search for a diffuse flux of cosmic neutrinos, emerging at the highest energies above the atmospheric backgrounds. A mild excess of cosmic neutrinos has been observed in the ANTARES dataset covering the first 11 years of data taking. In this...
IceCube has made significant progress in identifying astrophysical sources of high-energy neutrinos. However, the majority of the majority of the astrophysical flux remains unexplained, prompting further investigation. To improve our understanding of this flux and its sources, it is important to investigate the presence of a component at lower neutrino energies. To this end, we propose a study...
The KM3NeT experiment is a next-generation neutrino telescope, consisting of the ORCA and ARCA detectors, organised as 3D arrays of light sensors, and immersed in the depths of the Mediterranean Sea. Identical in their design but differing by scale, ORCA aims at detecting neutrinos in the GeV-TeV range, while ARCA will focus on higher energies in the TeV-PeV range. Both detectors can...
The measurement of the unexpectedly high value of the third neutrino mixing angle, $\theta_{13}$, opened the possibility of measuring the Dirac leptonic CP violating angle, $\delta_{CP}$ , using intense neutrino beams. The European Spallation Source neutrino Super Beam (ESS$\nu$SB) is a long-baseline neutrino project that aims in measuring CPV in the leptonic sector at the second of the...
The high-energy neutrino telescope ANTARES was a $0.01 $~km$^3$ volume detector located in the Mediterranean Sea. It operated from 2007 until the beginning of 2022, accumulating more than 15 years of data. The ANTARES neutrino telescope main goal was to identify neutrinos from astrophysical sources particularly those of Galactic origin, using its sensitivity to neutrino coming from the...
The NEXT experiment aims at the sensitive search of the neutrinoless double beta decay ($\beta\beta0\nu$) in $^{136}$Xe, using high-pressure gas electroluminescent time projection chambers. After the successful operation of the NEXT-White detector, which performed the first searches of the double beta decay with the novel NEXT technology using a limited amount of Xe ($\sim$5 kg), the...
Multiple experiments are utilizing the polar icecaps to detect ultra-high energy neutrinos via radio emission. They employ antennas embedded to depths of up to 200 metres. This places them within the firn layer, where the density and hence refractive index increase with depth. Glaciological models demonstrate that the firn density varies with time over a seasonal timescale. The resulting...
The Pacific-Ocean Neutrino Experiment (P-ONE) is a high energy neutrino telescope under development off the coast of Vancouver Island, Canada. A construction site has been chosen in the Cascadia Basin, a large flat seabed on the Juan de Fuca plate. The P-ONE collaboration previously operated the STRings for Absorption length in Water (STRAW) and STRAW-b pathfinder missions. These instruments...
Neutrino physics has entered into the precision era. The unprecedented accuracy in the experimental measurement necessitates reliable theoretical predictions at the loop level. In order to confront neutrino mass models at high-energy scales with low-energy precision data, we accomplish a complete one-loop matching of canonical seesaw models onto the Standard Model Effective Field Theories and...
Gamma-ray observations of astrophysical neutrino sources are fundamentally important for understanding the underlying neutrino production mechanisms. We investigate the Cherenkov Telescope Array Observatory (CTAO) prospects for detecting the very-high-energy (VHE) gamma-ray counterparts to neutrino-emitting extragalactic sources. The performance of CTAO under different configurations...
IceCube DeepCore, the existing low-energy extension of the IceCube Neutrino Observatory, was designed to lower the neutrino detection energy threshold to the GeV range. A new extension, called the IceCube Upgrade, will consist of seven additional strings installed within the DeepCore fiducial volume. These new strings will host modules with spacings of about 20 m horizontally and 3 m...
The nEXO experiment aims to study neutrinoless double-beta decay, requiring stringent control of radioactive backgrounds. Traditional printed circuit boards (PCBs) used for mounting Silicon Photomultipliers (SiPMs) can introduce unacceptable levels of radioactivity. To overcome this challenge, we have developed a novel Silicon Interposer technology utilizing cutting-edge Through-Silicon Via...
The LEGEND-200 experiment, currently running at LNGS, seeks to measure neutrinoless double beta decay in Ge-76 using a source=detector experimental setup with a discovery potential up over $10^{28}$ years and covering the inverted hierarchy. The sensitivity reach of this experiment is based on an accurate understanding of the expected backgrounds and the expected detector response to a wide...
While IceCube's detection astrophysical neutrinos at energies up to a few PeV has opened a new window to our Universe, much remains to be discovered regarding these neutrinos' origin and nature. In particular, the difficulty differentiating $\nu_{e}$ and $\nu_{𝜏}$ charged-current (CC) events in the energy limits our ability to measure precisely the flavor ratio of this flux. The Tau Air-Shower...
LiquidO is an innovative technology that uses opaque liquid scintillators for particle detection. A LiquidO scintillator combines a short scattering length and a long absorption length to confine optical photons close to their creation point. A fine array of wavelength-shifting fibres is used to collect and transport the scintillation light to readout SiPMs. A LiquidO detector will have...
In our model, all the CKM mixing of the quarks and MNS mixing of the leptons has one source, namely a mixing of the fermions of the Standard Model with a set of vector-like fermions in the context of SU(5) grand unification. Because the mixing of the 5 bar multiplets can be described by a single 3x3 matrix, a highly predictive model result. We showed that the 9 mass and mixing parameters of...
On behalf of the KM3NeT Collaboration
KM3NeT/ARCA is a Cherenkov neutrino telescope currently under construction in the Mediterranean Sea, at 100 km off the Sicilian coast, near Capo Passero, and at about 3500 m depth. On its final configuration, the detector will instrument a cubic kilometer
volume of seawater. At the present moment, 28 detector units have been already deployed. In this...
The Beryllium Electron capture in Superconducting Tunnel junctions (BeEST) experiment searches for the signatures of heavy neutrino mass eigenstates by measuring the recoil energy of the Li-7 daughter nucleus from Be-7 electron capture decay. In Phase-II, BeEST has set leading limits on neutrino mixing to a heavy eigenstate in the 100-850 keV mass range using a single superconducting tunnel...
The Short Baseline Neutrino (SBN) programme has an extensive physics program where one of the key aims is to investigate the existence of light sterile neutrinos. It comprises three LArTPC detectors along the Booster Neutrino Beam (BNB); a primarily-muon-neutrino beam. The near detector of the programme (SBND) will carry the main burden of reducing systematic error for the programme due to its...
The Deep Underground Neutrino Experiment (DUNE) is a next generation neutrino oscillation experiment that aims to provide insight towards the main outstanding questions in neutrino physics like mass hierarchy and investigating the potential existence of CP violation. It will make use of a suite of large liquid argon (LAr) time projection chambers, 1.5 km deep underground and located 1300...
The DsTau (NA65) experiment at CERN was proposed to measure an inclusive differential cross-section of Ds production, and its decay branching ratios in p-A interactions. The DsTau detector is based on the nuclear emulsion technique providing an excellent spatial resolution for detecting short-lived particles like charmed hadrons. The first results of the analysis of the pilot-run data are...
The goal of the SuperNEMO experiment is the search for neutrinoless double-beta decay (0𝜈𝛽𝛽), the observation of which would prove that the neutrino is a Majorana particle. As 0𝜈𝛽𝛽 is a hypothetical and extremely rare process, it is essential to have the lowest level of background possible. 222Rn is a gaseous isotope which could emanate from the detector materials or diffuse from the air of...
Study of the cosmogenic background in Te-LS [subgroup study]
Hechong Han
The Jiangmen Underground Neutrino Observatory (JUNO) is a world-leading neutrino project, aiming at determining the mass ordering of neutrinos through precise measurements of neutrino oscillations. After the determination of neutrino mass ordering, JUNO Phase II will be used to explore neutrinoless double beta decay...
The presence of a super-light sterile neutrino can lead to a dip in the survival probability of solar neutrinos, and explain the suppression of the upturn in the low energy solar neutrino data. In this work, we systematically study the survival probabilities in the 3+1 framework by taking into account of the non-adiabatic transitions and the coherence effect. We obtain an analytic equation...
This contribution focuses on a small-scale liquid scintillator detector, serving as a test setup for the Jiangmen Underground Neutrino Observatory (JUNO) experiment. JUNO is a next-generation medium baseline neutrino experiment located in China. The experiment has a broad physics program and the main goals are to determine the neutrino mass ordering and measure three oscillation parameters...
The Deep Underground Neutrino Experiment (DUNE) is a next-generation long-baseline neutrino oscillation experiment with a broad physics program centered on the study of neutrinos. While prototypes of various component detectors have already collected data, the 2x2 Demonstrator, a prototype for DUNE’s liquid argon near detector (ND-LAr), will be the first DUNE detector to collect neutrino beam...
Cryogenic particle detectors represent a promising avenue for conducting experiments on neutrinoless double beta decay, as demonstrated by the successful operation and sensitivity of current and previous experiments such as CUORE, CUPID-0 and CUPID-Mo. However, the development of new bolometric technologies for effective background rejection is needed to get a higher sensitivity to the 0𝜈𝛽𝛽...
Neutrinoless double-beta decay (0νββ) plays a crucial role in addressing some of the major outstanding issues in particle physics, including lepton number conservation and the Majorana nature of neutrinos. Over the past few decades, several efforts have sought to increase the sensitivity on the 0νββ process to target the Inverted-Ordering region of the neutrino mass spectrum....
The DUNE (Deep Underground Neutrino Experiment) project is a future long-baseline neutrino oscillation experiment. The primary objectives of DUNE include measuring the neutrino CP-violating phase, establishing the neutrino mass hierarchy, and conducting a broad physics program that encompasses studies of supernovae, low-energy physics, and searches for physics beyond the Standard Model....
The next generation of neutrino experiments promises significant progresses in physics beyond Standard Model with a high discovery potential regarding in particular the matter/antimatter asymmetry and the mass hierarchy. One of the key points will be to use high intensity neutrino superbeam in combination with megaton scale detectors.
In Europe, the ESSnuSB project realized a conceptual...
The ESSnuSB (European Spallation Source neutrino Super Beam) project is a design study for an experiment to measure the CP violation in the leptonic sector by observing neutrino oscillations in the second oscillation maximum. The high intensity neutrino beam will be produced using the ESS (European Spallation Source) proton linear accelerator, which will be the most powerful proton driver in...
In the budding field of multi-messenger astrophysics, neutrino observatories such as IceCube play a crucial role in identifying targets of opportunity with their near 100% up-time and view of the whole sky. IceCube aims to identify sources of astrophysical neutrinos using a cubic kilometer of instrumented ice located at the South Pole. Many candidate neutrino sources, such as blazars, have...
In order to be ready for the era where statistical uncertainty will not be dominant anymore, the T2K collaboration has started the second phase of T2K requiring the Near Detector (ND280) Upgrade with a significant reduction of systematic uncertainties with respect to what is currently available. One of the key sub-detectors of upgraded ND280 is the Super Fine Grained Detector (Super-FGD) which...
Hyper-Kamiokande (Hyper-K) is a next-generation long baseline neutrino oscillation experiment designed to make precision measurements of neutrino oscillations. These measurements will have greater sensitivity to CP violation in the lepton sector than previously possible. To measure CP violation, Hyper-K will look for the appearance of electron neutrinos coming from the flavor changing...
KM3NeT is a deep-sea research infrastructure composed of two water-Cherenkov neutrino telescopes under construction in the Mediterranean Sea: ARCA (Italy), designed to identify and study TeV-PeV astrophysical neutrino sources, and ORCA (France), aiming at studying the intrinsic properties of neutrinos in the few-GeV range. Despite their different primary goals, both telescopes can be used to...
The MAJORANA DEMONSTRATOR concluded its search for neutrinoless double-beta decay in $^{76}$Ge in 2021. The experiment operated an array of up to 40.4 kg of p-type point contact high-purity germanium detectors, 29.7 kg of which were isotopically enriched in $^{76}$Ge. The experiment is also searching for double-beta decay of $^{76}$Ge to excited states of $^{76}$Se. Six possible decay modes...
The FASER experiment is an experiment at the large hadron collider (LHC) measuring neutrinos and searching long-lived particles.
The proton-proton interactions at LHC produce hadrons in forward regions which decays into neutrinos.
These neutrinos are considered as a TeV neutrino beam source in our experiment.
The main uncertainty in the analysis is the neutrino flux because of...
Within the DUNE next-generation neutrino oscillation experiment, the Near-Detector complex has the main aim of constraining systematic uncertainties, in order to allow precise oscillation measurements. The SAND detector is one of the three components of the Near Detector complex. Its aim is to monitor the neutrino beam from an on-axis position and carry out neutrino cross section measurements...
The SNO+ experiment is now preparing for the deployment of Te within the scintillator using a novel chemical loading technique, thereby enabling a $0\nu\beta\beta$ search using $^{130}\mathrm{Te}$. Numerous underground chemical purification plants have been commissioned to ensure that this technique is carried out with expected purification efficiency, stability, and process performance. This...
While cosmic rays were first discovered over a century ago, the source of the most extreme energy components remains unknown. Next-generation neutrino telescopes with substantially improved sensitivity are required to pinpoint the sources of the diffuse astrophysical neutrino flux detected by IceCube. The TRopIcal DEep-sea Neutrino Telescope (TRIDENT) will instrument ~8km^3 of seawater with...
SuperNEMO is searching for the hypothesised lepton-number-violating neutrinoless double-beta decay (0νββ) process. Our unique NEMO-3-style tracker-calorimeter detector tracks individual particle trajectories and energies. This enables powerful background rejection and detailed studies of Standard Model (2νββ) decay. By studying electron and photon energies and relative trajectories, SuperNEMO...
TRIDENT is a future, next-generation neutrino telescope to be built in the South China Sea, designed to discover astrophysical neutrino sources and probe fundamental physics over astronomical distances. An optimal trigger and data acquisition (TDAQ) system is needed to ensure events of interest are recorded with high efficiency, while also minimizing the rate of backgrounds during data...
From indirect observations of the universe, we know that at least 80 % of all matter is made of galactic dark matter. As a minimal extension to the standard model of particle physics, the so-called sterile neutrinos in the keV mass range pose a viable candidate for dark matter. One way to search for these sterile neutrinos in a laboratory-based experiment is via tritium beta decay. A sterile...
The T2K experiment has worked for over a decade using ND280 as its near detector. In recent years, T2K has been upgraded to increase its beam power, upgrade ND280 and install a second near detector: WAGASCI-BabyMIND (WGBM). WGBM is composed of both plastic and water segmented trackers and muon range detectors, including the BabyMIND magnetized detector. WGBM is located beneath ND280, and is...
The Intermediate Water Cherenkov Detector (IWCD) will serve as a near detector for the Hyper-Kamiokande (Hyper-K) experiment. The IWCD will be used to measure and study neutrino interactions approximately 1 km downstream of the production point, where the oscillation effect is negligible. The multi-PMT (mPMT) photosensor has been developed for use in the IWCD detector due to its better timing...
The identification of cosmic objects emitting high energy neutrinos provides new insights about the Universe and its active sources. Although cosmic neutrinos have been observed by the IceCube Neutrino Observatory, the sources of these neutrinos still remain unknown. The KM3NeT/ARCA detector for Astroparticle Research with Cosmics in the Abyss, is currently being built in the Mediterranean Sea...
The TINY (Two Isotopes for Neutrinoless double beta decaY search) experiment aims to investigate neutrinoless double beta decay (0n2b) using the $^{96}$Zr and $^{150}$Nd isotopes. Both of them possess the crucial advantage of very high transition energy for the 0n2b process, which would allow the experimenters to obtain a higher sensitivity to the effective Majorana mass compared to other...
T2K (Tokai to Kamioka) is a long-baseline neutrino oscillation experiment that has taken data since 2010. After having obtained the first hints of CP violation in the leptonic sector, it has entered a second phase with an upgrade of its accelerator beam line and suite of near detectors. Among the different elements of this upgrade, two High-Angle Time Projection Chambers (HA-TPC) were...
The ICARUS collaboration has employed the 760-ton T600 liquid argon TPC detector in a successful three-year physics run at the underground LNGS laboratory, performing a sensitive search for LSND-like anomalous $\nu_e$ appearance in the CERN Neutrino to Gran Sasso beam, which contributed to the constraints on the allowed neutrino oscillation parameters to a narrow region around 1 eV$^2$. After...
Interest in the β-decay endpoint of atomic tritium is reaching new highs. The absolute mass of the neutrino is not yet known - PTOLEMY will soon join KATRIN and Project-8 in the fray. The PTOLEMY concept relies upon a cyclotron radiation emission spectroscopy trigger and a non-destructive tracking system. The TRItium-endpoint From 𝒪(fW) Radio-frequency Cyclotron Emissions group is leading...
Trinity, an imaging atmospheric Cherenkov telescope (IACT) observatory, is proposed for detecting very high energy (VHE) and ultra-high energy (UHE) cosmic neutrinos.
It is designed to detect Earth-skimming tau-neutrinos, transforming into tauons which emerge in the atmosphere and decay producing air showers. Currently, Trinity is in its Demonstrator phase featuring a 0.75 m² mirror area...
The KATRIN experiment is designed to measure the effective mass of the electron anti-neutrino by studying the high-energy end of the tritium β-decay spectrum. After completing the neutrino mass campaigns, KATRIN plans to search for keV-scale sterile neutrinos. For this purpose, a novel detector system called TRISTAN is under development. The detector will consist of about 1500 Silicon Drift...
In this poster, a microscopic quantum mechanical model for
gravitationally induced decoherence in the context of neutrino
oscillations is presented. The focus is on the comparison with existing
phenomenological models and the physical interpretation of the
decoherence parameters in such models. The results show that for
neutrino oscillations in vacuum gravitationally induced decoherence...
The detection of high-energy astrophysical neutrinos by IceCube has opened a new window on our Universe. While IceCube has measured the flux of these neutrinos at energies up to several PeV, much remains to be discovered regarding their origin and nature. Currently, the discovery of point sources of neutrinos is hindered by atmospheric neutrino backgrounds; likewise, astrophysical neutrino...
The Tokai-to-Kamioka (T2K) long-baseline neutrino oscillation experiment entered a new phase with enhanced neutrino beams. J-PARC neutrino beam is produced from decayed pions and kaon created by interaction with proton beams at a graphite target. To provide a higher intensity accompanying the J-PARC main ring accelerator upgrade, the J-PARC Neutrino beamline group upgraded and exchanged...
