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Sebastiano Stramaglia (Istituto Nazionale di Fisica Nucleare)11/11/2025, 13:35
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Tommy Martinov11/11/2025, 14:00
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Ryogo Okubo, Ryogo Okubo (Istituto Nazionale di Fisica Nucleare)11/11/2025, 14:25
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Nicola Losacco11/11/2025, 14:50
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Michael Joseph Morello (Istituto Nazionale di Fisica Nucleare)11/11/2025, 15:20
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Roberto Di Palma (Istituto Nazionale di Fisica Nucleare), Roberto Di Palma (Infn, sezione di Roma Tre)11/11/2025, 16:15
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Matthew David Moulson (Istituto Nazionale di Fisica Nucleare)11/11/2025, 16:45
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Michele Verdoglia (Istituto Nazionale di Fisica Nucleare)11/11/2025, 17:15
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Radek Zlebcik (Istituto Nazionale di Fisica Nucleare)11/11/2025, 17:45
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Tiziano Pauletto (Istituto Nazionale di Fisica Nucleare)12/11/2025, 09:00
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Giulia Maineri (Istituto Nazionale di Fisica Nucleare)12/11/2025, 09:25
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Nicolò Valle (Istituto Nazionale di Fisica Nucleare)12/11/2025, 09:50
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Chiara Aimè, Chiara Aimè (Istituto Nazionale di Fisica Nucleare)12/11/2025, 10:15
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Michele Tammaro (GGI), Michele Tammaro (Istituto Nazionale di Fisica Nucleare)12/11/2025, 11:15
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Chiara Arcangeletti (Istituto Nazionale di Fisica Nucleare)12/11/2025, 11:40
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Laura Salutari (Istituto Nazionale di Fisica Nucleare)12/11/2025, 12:05
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14. Sensitivity to mixing and CP violation in $D^0 \to K_S^0 \pi^+ \pi^-$ Decays with 2024 LHCb dataAlessia Anelli (Istituto Nazionale di Fisica Nucleare)12/11/2025, 13:30
The $D^0 \to K_S^0 \pi^+ \pi^-$ decay channel plays a central role in precision studies of charm mixing and indirect CP violation.
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In this talk, we present the status of the time-dependent binned analysis of this decay using data collected by the LHCb experiment during Run 3 in 2024.
This dataset benefits from the fully software-based trigger system introduced in Run 3, which significantly... -
Jully Vanessa Leandro Nascimento (Universidade de São Paulo)12/11/2025, 13:45
In this work, we present the development of an experimental apparatus aimed at testing the violation of CP symmetry in the decay of positronium. The experimental approach involves the detection of photons emitted in this process using the Nossa Caixa gamma spectrometer and the application of a magnetic field to manipulate the Ps states. Two complementary methods will be used to analyze the...
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Marco Caporale (Istituto Nazionale di Fisica Nucleare)12/11/2025, 14:00
Recently, a strong tension in the global fit to $B\to h^+ h'{}^-\,(h\in\{\pi,K\})$ decay parameters has been highlighted by the theoretical community. These decays can be probed with high precision at LHCb: thanks to the high centre-of-mass energy provided by the LHC, it is possible to investigate time-dependent observables which are inaccessible at $b$-factory experiments. In this talk,...
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Ilaria Rosa (Istituto Nazionale di Fisica Nucleare)12/11/2025, 14:15
The HIKE experiment was intended to continue the successful tradition of kaon experiments at CERN, building on the achievements of NA62 and exploiting the availability of a high-intensity beam together with an advanced detector design. In particular, the new shashlik electromagnetic calorimeter (MEC) was designed to reach a time resolution of approximately $100\,\text{ps}$, while maintaining...
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Lisa Arnone (Istituto Nazionale di Fisica Nucleare)12/11/2025, 14:30
The LHCb experiment is going to face much higher occupancies and radiation levels in its high-luminosity phase, requiring major upgrades of the electromagnetic calorimeter (ECAL). As a first step, an enhancement is planned during Long Shutdown 3 (LS3) of the LHC to mitigate ageing in the central region and to ensure stable performance after Run 3. This upgrade introduces Spaghetti Calorimeter...
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Davide Germani (Sapienza Università di Roma & Istituto Nazionale di Fisica Nucleare)12/11/2025, 14:45
Exotic hadron spectroscopy plays a crucial role in deepening our understanding of the confining regime of Quantum Chromodynamics (QCD). The discovery of the $X(3872)$ in 2003 by the Belle collaboration marked a turning point in hadron physics, as it represented the first strong candidate for an exotic meson beyond the conventional quark model. To date, the internal structure of the $X(3872)$...
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Alice Moro (Istituto Nazionale di Fisica Nucleare)12/11/2025, 15:00
The rare radiative leptonic decay $B^+\to\ell^+\nu_\ell\gamma$, with $\ell=\mu,e$, is considered a golden channel to probe the internal structure of the $B$ meson through its Light-Cone Distribution Amplitude (LCDA). Predicted by the Standard Model with a Branching Ratio (BR) of $\mathcal{O}(10^{-6})$, it has not yet been observed. The most stringent upper limit on its BR has been set by the...
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Alberto Bellavista (Istituto Nazionale di Fisica Nucleare)12/11/2025, 15:15
Rare semileptonic four-body charm decays such as $D^0\to h^+h^-e^+e^-$ (with $h=\pi,K$) can proceed via long-distance (LD) resonant contributions or short-distance (SD) Flavor Changing Neutral Currents (FCNC) $c\to ue^+e^-$, which are highly suppressed in the Standard Model. These modes are therefore sensitive to potential new physics effects and provide a probe of Lepton Flavour Universality...
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Federico Zangari (Istituto Nazionale di Fisica Nucleare)12/11/2025, 16:00
LADDIN (An LHC Apparatus for Direct Dipole moments INvestigation, https://aladdin.web.cern.ch/) è un esperimento compatto a bersaglio fisso proposto per LHC, concepito per ottenere misure di precisione senza precedenti dei momenti di dipolo magnetico (MDM) ed elettrico (EDM) dei barioni con charm. Il suo design innovativo sfrutta la deviazione dei protoni provenienti dall’alone del fascio...
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Matteo Borrello (Istituto Nazionale di Fisica Nucleare)12/11/2025, 16:15
The origin of Majorana neutrino masses suggests the existence of a sterile neutrino sector, which may be either too heavy or too weakly coupled to the Standard Model (SM) to be detected in the near future. The inverse seesaw mechanism provides a testable framework where the coupling between the sterile sector and the SM is large enough to allow direct experimental probes. In this context, it...
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Gabriele Romolini (Istituto Nazionale di Fisica Nucleare)12/11/2025, 16:30
Over the past two decades, several heavy-flavor hadrons have been observed, with their properties inconsistent with predictions from conventional $q\bar{q}$ or $qqq$ models. These findings offer insights into quark binding and QCD. It is then important to continue the search for new states, as each discovery improves our knowledge and provides important input to the theory.
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This talk... -
Giuseppe Roselli (Università degli studi di bari)12/11/2025, 16:45
More than twenty years have elapsed since the discovery of $\chi_{c1}(3872)$ previously denoted as $X(3872)$, and an impressive amount of theoretical and experimental studies has been devoted to its properties, decays and production mechanisms.
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Despite the extensive work, a full understanding of the nature of $\chi_{c1}(3872)$ is still missing.
In the present study I reconsider a... -
Francesco Zenesini (Istituto Nazionale di Fisica Nucleare)12/11/2025, 17:00
The LHCb experiment was designed to play a decisive role in the study of particle and flavor physics. From the very beginning, LHCb has performed measurements of CP violation in the decays of hadrons containing the charm quark with extremely high precision, and in 2019 it observed direct CP violation in the two-body charged decays of the $D^0$ meson for the first time, using data collected...
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Davide Milillo12/11/2025, 17:15
An abelian extension of the Standard Model (SM) based on the introduction of a new abelian gauge group $U(1)^\prime$ is considered, with the corresponding neutral gauge boson $Z^\prime$ having flavour violating couplings to quarks and leptons. The fermion content is the same as in the SM, except for the addition of three right-handed neutrinos. The model, proposed by Aebischer, Buras,...
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Domenico Riccardi (INFN Sezione di Pisa & Scuola Normale Superiore)12/11/2025, 17:30
Lepton-flavour conservation is an almost perfect symmetry in the Standard Model of particle physics, violated so far only by neutrino oscillations. Neutrino mixing implies that lepton-flavour violation occurs in charged decays as well, albeit with extremely low branching fractions ($\mathcal{B}$) of order $\mathcal{O}(10^{-50})$. Therefore, any direct observation would be a clear and...
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Antonio Palasciano (Istituto Nazionale di Fisica Nucleare)12/11/2025, 17:45
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Angelo Esposito (Sapienza), Angelo Esposito (Istituto Nazionale di Fisica Nucleare)13/11/2025, 09:00
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Isabella Garzia (Istituto Nazionale di Fisica Nucleare)13/11/2025, 09:30
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Federico Testa (Istituto Nazionale di Fisica Nucleare)13/11/2025, 09:55
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Dr Alessandro Pilloni (UniME & INFN CT)13/11/2025, 10:20
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Antonio Vairo13/11/2025, 11:15
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Elisabetta Spadaro Norella (Istituto Nazionale di Fisica Nucleare)13/11/2025, 11:45
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Valentina Mariani (Istituto Nazionale di Fisica Nucleare)13/11/2025, 12:10
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Ludovico Vittorio (Sapienza Università di Roma and INFN, Sezione di Roma)13/11/2025, 14:00
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Giulio Mezzadri (Istituto Nazionale di Fisica Nucleare), Marco Destefanis (Universita' degli Studi di Torino and INFN)13/11/2025, 14:25
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Lukas Allwicher (DESY)13/11/2025, 14:50
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Martino Borsato (Milano Bicocca University and INFN)13/11/2025, 15:15
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Marco Buonsante (Istituto Nazionale di Fisica Nucleare)13/11/2025, 16:15
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Vidya Sagar Vobbilisetti (Istituto Nazionale di Fisica Nucleare)13/11/2025, 16:40
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Silvia Martellotti (INFN - LNF)13/11/2025, 17:05
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Matthew David Moulson (Istituto Nazionale di Fisica Nucleare)13/11/2025, 17:30
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Matteo De Gerone (Istituto Nazionale di Fisica Nucleare), Dr Paolo Girotti (INFN - Laboratori Nazionali di Frascati)14/11/2025, 09:00
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Claudia Hagedorn (IFIC - UV/CSIC)14/11/2025, 09:05
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Ilaria Panichi (Istituto Nazionale di Fisica Nucleare)14/11/2025, 09:30
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Giovanni Gallucci (Istituto Nazionale di Fisica Nucleare)14/11/2025, 09:55
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Arthur Pierre Augustin Thaller (Istituto Nazionale di Fisica Nucleare)14/11/2025, 10:20
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Anna Driutti14/11/2025, 11:15
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Antonio Gioiosa (Istituto Nazionale di Fisica Nucleare)14/11/2025, 11:40
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Antonio Sidoti (Istituto Nazionale di Fisica Nucleare)14/11/2025, 12:05
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Francesco Renga (Istituto Nazionale di Fisica Nucleare)14/11/2025, 12:30
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14/11/2025, 14:00
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Nicola Losacco
During the years several tensions were found between experimental results and Standard Model (SM) predictions, in particular in the flavour sector. Individually, these anomalies are not large enough to disproof SM but all together they are telling us that a theory beyond it is required. In particular, measurements of semileptonic $B$ decays are pointing out a violation of the lepton flavour...
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Roberto Bellotti (Istituto Nazionale di Fisica Nucleare)
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Vito Manzari (Istituto Nazionale di Fisica Nucleare)
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