Status and prospects of discovery of 0νββ decay with the CUORE detector

Adams, D. Q. and Alduino, C. and Alfonso, K. and Avignone III, F. T. and Azzolini, O. (2023) Status and prospects of discovery of 0νββ decay with the CUORE detector. Il nuovo cimento C, 46 (1). pp. 1-8. ISSN 1826-9885

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In this contribution we present the achievements of the CUORE experiment so far. It is the first tonne-scale bolometric detector and it is in stable data taking since 2018. We reached to collect about 1800 kg×yr of exposure of which more than 1 ton×year have been analysed. The CUORE detector is meant to search for the neutrinoless double β decay (0νββ) of the 130Te isotope. This is a beyond Standard Model process which could establish the nature of the neutrino to be Dirac or a Majorana particle. It is an alternative mode of the two-neutrinos double β decay, a rare decay which have been precisely measured by CUORE in the 130Te. We found no evidence of the 0νββ and we set a Bayesian lower limit of 2.2 ×1025yr on its half-life. The expertise achieved by CUORE set a milestone for any future bolometric detector, including CUPID, which is the planned next generation experiment searching for 0νββ with scintillating bolometers.

Item Type: Article
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 02 Feb 2023 13:37
Last Modified: 02 Feb 2023 13:37

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