- Main
New Limit for Neutrinoless Double-Beta Decay of Mo100 from the CUPID-Mo Experiment
- Armengaud, E;
- Augier, C;
- Barabash, AS;
- Bellini, F;
- Benato, G;
- Benoît, A;
- Beretta, M;
- Bergé, L;
- Billard, J;
- Borovlev, Yu A;
- Bourgeois, Ch;
- Brudanin, VB;
- Camus, P;
- Cardani, L;
- Casali, N;
- Cazes, A;
- Chapellier, M;
- Charlieux, F;
- Chiesa, D;
- de Combarieu, M;
- Dafinei, I;
- Danevich, FA;
- De Jesus, M;
- Dixon, T;
- Dumoulin, L;
- Eitel, K;
- Ferri, F;
- Fujikawa, BK;
- Gascon, J;
- Gironi, L;
- Giuliani, A;
- Grigorieva, VD;
- Gros, M;
- Guerard, E;
- Helis, DL;
- Huang, HZ;
- Huang, R;
- Johnston, J;
- Juillard, A;
- Khalife, H;
- Kleifges, M;
- Kobychev, VV;
- Kolomensky, Yu G;
- Konovalov, SI;
- Leder, A;
- Loaiza, P;
- Ma, L;
- Makarov, EP;
- de Marcillac, P;
- Mariam, R;
- Marini, L;
- Marnieros, S;
- Misiak, D;
- Navick, X-F;
- Nones, C;
- Norman, EB;
- Novati, V;
- Olivieri, E;
- Ouellet, JL;
- Pagnanini, L;
- Pari, P;
- Pattavina, L;
- Paul, B;
- Pavan, M;
- Peng, H;
- Pessina, G;
- Pirro, S;
- Poda, DV;
- Polischuk, OG;
- Pozzi, S;
- Previtali, E;
- Redon, Th;
- Rojas, A;
- Rozov, S;
- Rusconi, C;
- Sanglard, V;
- Scarpaci, JA;
- Schäffner, K;
- Schmidt, B;
- Shen, Y;
- Shlegel, VN;
- Siebenborn, B;
- Singh, V;
- Tomei, C;
- Tretyak, VI;
- Umatov, VI;
- Vagneron, L;
- Velázquez, M;
- Welliver, B;
- Winslow, L;
- Xue, M;
- Yakushev, E;
- Zarytskyy, M;
- Zolotarova, AS
- et al.
Published Web Location
https://doi.org/10.1103/physrevlett.126.181802Abstract
The CUPID-Mo experiment at the Laboratoire Souterrain de Modane (France) is a demonstrator for CUPID, the next-generation ton-scale bolometric 0νββ experiment. It consists of a 4.2 kg array of 20 enriched Li_{2}^{100}MoO_{4} scintillating bolometers to search for the lepton-number-violating process of 0νββ decay in ^{100}Mo. With more than one year of operation (^{100}Mo exposure of 1.17 kg×yr for physics data), no event in the region of interest and, hence, no evidence for 0νββ is observed. We report a new limit on the half-life of 0νββ decay in ^{100}Mo of T_{1/2}>1.5×10^{24} yr at 90% C.I. The limit corresponds to an effective Majorana neutrino mass ⟨m_{ββ}⟩<(0.31-0.54) eV, dependent on the nuclear matrix element in the light Majorana neutrino exchange interpretation.
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