24–30 May 2015
Europe/Rome timezone
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CALDER: Cryogenic light detectors for 
neutrino and dark matter searches

25 May 2015, 15:15
15m
Oral S2 - Photon Detector and PID Photo Detectors and PID

Speaker

Marco Vignati (ROMA1)

Description

Large-mass arrays of bolometers proved to be good detectors for Neutrinoless Double Beta Decay (0ν2β) and Dark Matter searches. CUORE and LUCIFER are bolometric 0ν2β experiments which will start to take data in 2016 at Laboratori Nazionali del Gran Sasso in Italy. The sensitivity of CUORE could be increased by removing the background due to α particles, by detecting the small amount of Cherenkov light (100 eV) emitted by the βs' signal and not by αs. LUCIFER could be extended to detect also Dark Matter, provided that the background from β/γ particles (100 eV of scintillation light) is discriminated from nuclear recoils of about 10 keV energy (no light). CALDER is a new project to develop light detectors for CUORE, LUCIFER and similar bolometric experiments. The goal is to obtain detectors with an active area of 5x5 cm² (the face of bolometric crystals), operating at 10 mK, and with a baseline resolution better than 20 eV. We have chosen to develop phonon-mediated devices using superconducting MKIDs (Microwave Kinetic Inductance Detectors). We present the first results and the perspectives of the project.

Collaboration

CALDER Collaboration.

Primary authors

Laura Cardani (ROMA1) Marco Vignati (ROMA1)

Co-authors

Alessandro Coppolecchia Angelo Cruciani (ROMA1) Carlo Bucci (LNGS) Carlo Cosmelli (ROMA1) Elia Stefano Battistelli Dr Fabio Bellini (ROMA1) Paolo De Bernardis (ROMA1) Sergio Di Domizio (GE) Silvia Masi (ROMA1)

Presentation materials