Published 2018
| Version v1
Publication
First result on the neutrinoless double-β decay of 82se with CUPID-0
- Creators
- Azzolini, O.
- Barrera, M. T.
- Beeman, J. W.
- Bellini, F.
- Beretta, M.
- Biassoni, M.
- Brofferio, C.
- Bucci, C.
- Canonica, L.
- Capelli, S.
- Cardani, L.
- Carniti, P.
- Casali, N.
- Cassina, L.
- Clemenza, M.
- Cremonesi, O.
- Cruciani, A.
- D'Addabbo, A.
- Dafinei, I.
- Di Domizio, S.
- Ferroni, F.
- Gironi, L.
- Giuliani, A.
- Gorla, P.
- Gotti, C.
- Keppel, G.
- Marini, L.
- Martinez, M.
- Morganti, S.
- Nagorny, S.
- Nastasi, M.
- Nisi, S.
- Nones, C.
- Orlandi, D.
- Pagnanini, L.
- Pallavicini, M.
- Palmieri, V.
- Pattavina, L.
- Pavan, M.
- Pessina, G.
- Pettinacci, V.
- Pirro, S.
- Pozzi, S.
- Previtali, E.
- Puiu, A.
- Reindl, F.
- Rusconi, C.
- Schäffner, K.
- Tomei, C.
- Vignati, M.
- Zolotarova, A. S.
- Others:
- Azzolini, O.
- Barrera, M. T.
- Beeman, J. W.
- Bellini, F.
- Beretta, M.
- Biassoni, M.
- Brofferio, C.
- Bucci, C.
- Canonica, L.
- Capelli, S.
- Cardani, L.
- Carniti, P.
- Casali, N.
- Cassina, L.
- Clemenza, M.
- Cremonesi, O.
- Cruciani, A.
- D'Addabbo, A.
- Dafinei, I.
- Di Domizio, S.
- Ferroni, F.
- Gironi, L.
- Giuliani, A.
- Gorla, P.
- Gotti, C.
- Keppel, G.
- Marini, L.
- Martinez, M.
- Morganti, S.
- Nagorny, S.
- Nastasi, M.
- Nisi, S.
- Nones, C.
- Orlandi, D.
- Pagnanini, L.
- Pallavicini, M.
- Palmieri, V.
- Pattavina, L.
- Pavan, M.
- Pessina, G.
- Pettinacci, V.
- Pirro, S.
- Pozzi, S.
- Previtali, E.
- Puiu, A.
- Reindl, F.
- Rusconi, C.
- Schäffner, K.
- Tomei, C.
- Vignati, M.
- Zolotarova, A. S.
Description
We report the result of the search for neutrinoless double beta decay of 82Se obtained with CUPID-0, the first large array of scintillating Zn82Se cryogenic calorimeters implementing particle identification. We observe no signal in a 1.83 kg yr 82Se exposure, and we set the most stringent lower limit on the 0vββ 82Se half-life T0v 1=2 > 2.4 × 1024 yr (90% credible interval), which corresponds to an effective Majorana neutrino mass mββ < (376-770) meV depending on the nuclear matrix element calculations. The heat-light readout provides a powerful tool for the rejection of α particles and allows us to suppress the background in the region of interest down to (3.6 +1.9-1.4) × 10-3counts=(keV kg yr), an unprecedented level for this technique.
Additional details
- URL
- http://hdl.handle.net/11567/913460
- URN
- urn:oai:iris.unige.it:11567/913460
- Origin repository
- UNIGE