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Marco Vignati (Istituto Nazionale di Fisica Nucleare)06/07/2024, 09:30
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Andrea Melchiorre (Istituto Nazionale di Fisica Nucleare)06/07/2024, 09:50
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Emanuele Michielin (UBC)06/07/2024, 10:10
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Matteo Folcarelli (Istituto Nazionale di Fisica Nucleare)06/07/2024, 10:30
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06/07/2024, 10:50
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Jules Gascon (IPNL - Universite Claude Bernard Lyon 1)06/07/2024, 11:30
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Michele Mancuso (Max-Planck-Institut für Physik)06/07/2024, 11:50
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Margarita Kaznacheeva06/07/2024, 12:10
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Roger K. Romani (U.C. Berkeley)06/07/2024, 12:30
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06/07/2024, 12:50
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Kai Nordlund06/07/2024, 14:00
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Elsa Mannila06/07/2024, 14:20
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Michael Kerschbaum06/07/2024, 14:40
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Eric Yelton06/07/2024, 15:00
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06/07/2024, 15:20
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Ana Martina Botti (Fermilab)06/07/2024, 16:00
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Sandro De Cecco (Istituto Nazionale di Fisica Nucleare)06/07/2024, 16:20
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06/07/2024, 16:40
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Sarah Kuckuk (Universität Tübingen)
The Cryogenic Rare Event Search with Superconducting Thermometers (CRESST) is one of the most sensitive experiments for the direct detection of light dark matter via nuclear recoils. At low recoil energies below roughly 200eV, the sensitivity is affected by the presence of an increasing event rate for which dark matter as a major contribution has already been ruled out. Such a low energy...
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Luca Marin (ETH Zurich)
We explore the effect of the interatomic interactions in the condensed phases of xenon on the dark matter-electron scattering process, with a focus on applications in liquid xenon detectors. We calculate the electronic structure of atomic, liquid and solid Xe using first-principles density functional theory (DFT), then compute material response functions for the dark matter-electron scattering...
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Francesca Pucci (Max Planck Institute for Physics)
The CRESST experiment utilises advanced cryogenic detectors constructed with different types of crystals equipped with Transition Edge Sensors (TESs) to measure signals of nuclear recoils induced by the scattering of dark matter particles in the detector.
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In recent times, the sensitivity of low-mass direct dark matter searches has been limited by unknown low energy backgrounds close to the... -
Holger Kluck (Institute of High Energy Physics (HEPHY) of the Austrian Academy of Sciences)
CaWO$_4$ and Al$_2$O$_3$ are well-known target materials for experiments searching for rare events like CE$\nu$NS with NUCLEUS or hypothetical dark matter-nucleus scattering with CRESST. In the presence of sub-keV backgrounds of unknown origin, like the Low Energy Excess, experiments are also in need for verified and reliable simulations of known background components at sub-keV energies,...
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Matteo Cappelli (Istituto Nazionale di Fisica Nucleare)
Pulse shape analysis is a key tool for signal/background discrimination although its effectiveness tends to decrease considerably while approaching the detector's energy threshold. A new pulse shape variable, arising from a mathematical extension of the matched filter, is presented in this work. It is intended to measure the deformation of a waveform with respect to a template signal in order...
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Giorgio Del Castello (Istituto Nazionale di Fisica Nucleare)
Current advancements in low-energy rare-event searches rely on cryogenic calorimeters, commonly used for the direct detection of dark matter or neutrinos. These detectors provide a low-noise environment but face challenges in characterizing responses within the region of interest (ROI). Developed for probing energies from O(10eV) to O(1keV), these detectors encounter issues when calibrating...
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Dominik Raphael Fuchs
The current generation of cryogenic solid state detectors used in direct dark matter and CE$\nu$NS searches typically reach energy thresholds of $\mathcal{O}$(10$\,$eV) for nuclear recoils. The energy calibration of these detectors is usually done via X-ray sources with energies in the $\mathcal{O}$(keV) region, requiring an extrapolation to the low-energy regime. Ideally, these detectors...
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Dr Sergey Pereverzev (Lawrence Livermore National Laboratory)
Detection of low-energy solar and reactor neutrinos (neutrino fog) would be a milestone for direct dark matter searches. Backgrounds in excess of expectations prevent the detection of low-energy neutrino elastic scattering on nuclei in all types of detectors, and evidence is mounting that energy /charge trapping and delayed releases contribute to these phenomena.
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Since we have demonstrated... -
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Dr Sergey Pereverzev (Lawrence Livermore National Laboratory)
A ‘meta-analysis’ of phenomena reported by the current generation of large dual-phase noble-liquid detectors reveals correlations between barriers for surface charge removal and unextracted electrons dwelling time, mobility, and appearance of E-bursts. An apparent "freezing in place" of unextracted electrons and E-bursts matches the appearance of charged liquid surface hydrodynamic...
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