Bulletin of the American Physical Society
6th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Sunday–Friday, November 26–December 1 2023; Hawaii, the Big Island
Session F12: Minisymposium: Low Energy Neutrinos IV: Neutrino-Nucleus Scattering
9:00 AM–12:15 PM,
Thursday, November 30, 2023
Hilton Waikoloa Village
Room: Kona 5
Chair: Diana Parno, Carnegie Mellon University
Abstract: F12.00008 : Coherent elastic neutrino-nucleus scattering detection at a reactor with RICOCHET
11:00 AM–11:15 AM
Presenter:
Wouter Van De Pontseele
(Massachussets Institute of Technology)
Author:
Wouter Van De Pontseele
(Massachussets Institute of Technology)
Collaboration:
RICOCHET
The experiment is expected to start data-taking in 2024 with two complementary detector technologies, both employing cryogenic calorimeter arrays:
CryoCube (Germanium) and Q-Array (superconducting crystals).
CryoCube comprises 30g Ge crystals instrumented with NTD-Ge thermal sensors and aluminium electrodes,
measuring the heat and ionization arising from particle interactions.
These detectors have demonstrated a low energy threshold (~50 eV),
enabling them to probe into unexplored CEvNS recoil energies with new physics sensitivity.
Meanwhile, Q-Array aims to lower the threshold further by developing superconducting calorimeters,
exploiting the rich phonon and quasi-particle physics to gain particle identification capabilities
and discriminate between electron and nuclear recoil events.
This talk will highlight the first demonstration of 30 eVee ionization energy resolution
with Ricochet germanium cryogenic bolometers and present the path towards
lowering the threshold in future generations using superconducting technologies.
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