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20 April 2024

» arxiv » 2011.09295

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New results from the CUORE experiment
A. Giachero ; D. Q. Adams ; C. Alduino ; K. Alfonso ; F. T. Avignone III ; O. Azzolini ; G. Bari ; F. Bellini ; G. Benato ; M. Biassoni ; A. Branca ; C. Brofferio ; C. Bucci ; J. Camilleri ; A. Caminata ; A. Campani ; L. Canonica ; X. G. Cao ; S. Capelli ; L. Cappelli ; L. Cardani ; P. Carniti ; N. Casali ; E. Celi ; D. Chiesa ; M. Clemenza ; S. Copello ; C. Cosmelli ; O. Cremonesi ; R. J. Creswick ; A. D'Addabbo ; I. Dafinei ; C. J. Davis ; S. Dell'Oro ; S. Di Domizio ; V. Dompè ; D. Q. Fang ; G. Fantini ; M. Faverzani ; E. Ferri ; F. Ferroni ; E. Fiorini ; M. A. Franceschi ; S. J. Freedman ; S.H. Fu ; B. K. Fujikawa ; L. Gironi ; A. Giuliani ; P. Gorla ; C. Gotti ; T. D. Gutierrez ; K. Han ; K. M. Heeger ; R. G. Huang ; H. Z. Huang ; J. Johnston ; G. Keppel ; Yu. G. Kolomensky ; C. Ligi ; L. Ma ; Y. G. Ma ; L. Marini ; R. H. Maruyama ; D. Mayer ; Y. Mei ; N. Moggi ; S. Morganti ; T. Napolitano ; M. Nastasi ; J. Nikkel ; C. Nones ; E. B. Norman ; A. Nucciotti ; I. Nutini ; T. O'Donnell ; J. L. Ouellet ; S. Pagan ; C. E. Pagliarone ; L. Pagnanini ; M. Pallavicini ; L. Pattavina ; M. Pavan ; G. Pessina ; V. Pettinacci ; C. Pira ; S. Pirro ; S. Pozzi ; E. Previtali ; A. Puiu ; C. Rosenfeld ; C. Rusconi ; M. Sakai ; S. Sangiorgio ; B. Schmidt ; N. D. Scielzo ; V. Sharma ; V. Singh ; M. Sisti ; D. Speller ; P.T. Surukuch ; L. Taffarello ; F. Terranova ; C. Tomei ; K. Vetter ; M. Vignati ; S. L. Wagaarachchi ; B. S. Wang ; B. Welliver ; J. Wilson ; K. Wilson ; L. A. Winslow ; S. Zimmermann ; S. Zucchelli ;
Date:	18 Nov 2020
Abstract:	The Cryogenic Underground Observatory for Rare Events (CUORE) is the first cryogenic experiment searching for neutrinoless double-beta ($0 uetaeta$) decay that has been able to reach the one-ton scale. The detector, located at the Laboratori Nazionali del Gran Sasso in Italy, consists of an array of 988 TeO$_2$ crystals arranged in a compact cylindrical structure of 19 towers. Following the completion of the detector construction in August 2016, CUORE began its first physics data run in 2017 at a base temperature of about 10 mK. Following multiple optimization campaigns in 2018, CUORE is currently in stable operating mode. In 2019, CUORE released its 2 extsuperscript{nd} result of the search for $0 uetaeta$ with a TeO$_2$ exposure of 372.5 kg$cdot$yr and a median exclusion sensitivity to a $^{130}$Te $0 uetaeta$ decay half-life of $1.7cdot 10^{25}$ yr. We find no evidence for $0 uetaeta$ decay and set a 90\% C.I. (credibility interval) Bayesian lower limit of $3.2cdot 10^{25}$ yr on the $^{130}$Te $0 uetaeta$ decay half-life. In this work, we present the current status of CUORE’s search for $0 uetaeta$, as well as review the detector performance. Finally, we give an update of the CUORE background model and the measurement of the $^{130}$Te two neutrino double-beta ($2 uetaeta$) decay half-life.
Source:	arXiv, 2011.09295
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