Final results of the CUPID-0 Phase I experiment
- Casali, N.
- Azzolini, O.
- Beeman, J.W.
- Bellini, F.
- Beretta, M.
- Biassoni, M.
- Brofferio, C.
- Bucci, C.
- Capelli, S.
- Cardani, L.
- Carniti, P.
- Chiesa, D.
- Clemenza, M.
- Cremonesi, O.
- Cruciani, A.
- Dafinei, I.
- Di Domizio, S.
- Ferroni, F.
- Gironi, L.
- Giuliani, A.
- Gorla, P.
- Gotti, C.
- Keppel, G.
- Martinez, M.
- Nagorny, S.
- Nastasi, M.
- Nisi, S.
- Nones, C.
- Orlandi, D.
- Pagnanini, L.
- Pallavicini, M.
- Pattavina, L.
- Pavan, M.
- Pessina, G.
- Pettinacci, V.
- Pirro, S.
- Pozzi, S.
- Previtali, E.
- Puiu, A.
- Rusconi, C.
- Schäffner, K.
- Tomei, C.
- Vignati, M.
- Zolotarova, A.S.
DOIAbstract
International audienceA convincing observation of neutrino-less double beta decay (0vDBD) relies on the possibility of operating high-energy resolution detectors in background-free conditions. Scintillating cryogenic calorimeters are one of the most promising tools to fulfill the requirements for a next-generation experiment. Several steps have been taken to demonstrate the maturity of this technique, starting form the successful experience of CUPID-0. The CUPID-0 experiment collected almost 10 kg y of exposure, running 26 Zn82Se crystals during two years of continuous detector operation. The complete rejection of the dominant α background was demonstrated, measuring the lowest counting rate in the region of interest for this technique. Fur...
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