New Limit for Neutrinoless Double-Beta Decay of Mo 100 from the CUPID-Mo Experiment
Author(s)
Winslow, Lindley; Johnston, J.; Leder, A.; Ouellet, J. L.; Winslow, L.
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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.
Date issued
2021Department
Massachusetts Institute of Technology. Department of PhysicsJournal
Physical Review Letters
Publisher
American Physical Society (APS)
Citation
Winslow, Lindley. 2021. "New Limit for Neutrinoless Double-Beta Decay of Mo 100 from the CUPID-Mo Experiment." Physical Review Letters, 126 (18).
Version: Final published version