New results from the CUORE experiment

Nutini, I.; Adams, D. Q.; Alduino, C.; Alfonso, K.; Avignone, F. T.; Azzolini, O.; Bari, G.; Bellini, F.; Benato, G.; Beretta, M.; Biassoni, M.; Branca, A.; Brofferio, C.; Bucci, C.; Camilleri, J.; Caminata, A.; Campani, A.; Canonica, L.; Cao, X. G.; Capelli, S.; Cappelli, L.; Cardani, L.; Carniti, P.; Casali, N.; Celi, E.; Chiesa, D.; Clemenza, M.; Copello, S.; Cremonesi, O.; Creswick, R. J.; D???addabbo, A.; Dafinei, I.; Dell???oro, S.; Di Domizio, S.; Domp??, V.; Fang, D. Q.; Fantini, G.; Faverzani, M.; Ferri, E.; Ferroni, F.; Fiorini, E.; Franceschi, M. A.; Freedman, S. J.; S. H., Fu; Fujikawa, B. K.; Giachero, A.; Gironi, L.; Giuliani, A.; Gorla, P.; Gotti, C.; Gutierrez, T. D.; Han, K.; Hansen, E. V.; Heeger, K. M.; Huang, R. G.; Huang, H. Z.; Johnston, J.; Keppel, G.; Kolomensky, Yu. G.; Ligi, C.; Ma, L.; Y. G., Ma; Marini, L.; Maruyama, R. H.; Mayer, D.; Mei, Y.; Moggi, N.; Morganti, S.; Napolitano, T.; Nastasi, M.; Nikkel, J.; Nones, C.; Norman, E. B.; Nucciotti, A.; O???donnell, T.; Ouellet, J. L.; Pagan, S.; Pagliarone, C. E.; Pagnanini, L.; Pallavicini, M.; Pattavina, L.; Pavan, M.; Pessina, G.; Pettinacci, V.; Pira, C.; Pirro, S.; Pozzi, S.; Previtali, E.; Puiu, A.; Rosenfeld, C.; Rusconi, C.; Sakai, M.; Sangiorgio, S.; Schmidt, B.; Scielzo, N. D.; Sharma, V.; Singh, V.; Sisti, M.; Speller, D.; Surukuchi, P. T.; Taffarello, L.; Terranova, F.; Tomei, C.; Vetter, K. J.; Vignati, M.; Wagaarachchi, S. L.; Wang, B. S.; Welliver, B.; Wilson, J.; Wilson, K.; Winslow, L. A.; Zimmermann, S.; Zucchelli, S.

doi:10.1142/s0217751x22400140

The Cryogenic Underground Observatory for Rare Events (CUORE) is the first bolometric experiment searching for neutrino-less double-beta (0 nu beta beta) 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 TeO2 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 second result of the search for 0 nu beta beta corresponding to a TeO2 exposure of 372.5 kg.yr and a median exclusion sensitivity to a Te-130 0 nu beta beta decay half-life of 1.7.10(25) yr. We find no evidence for 0 nu beta beta decay and set a 90% C.I. Bayesian lower limit of 3.2.10(25) yr on the Te-130 0 nu beta beta decay half-life. We present the current status of CUORE's search for 0 nu beta beta. We give an update of the CUORE background model and the measurement of the Te-130 two neutrino double-beta (2 nu beta beta) decay half-life. Eventually, we show the preliminary results on half-life limits from the analysis of Te-130 0 nu beta beta and 2 nu beta beta decay to the first 0(+) excited state of Xe-130.

I. Nutini, D. Q. Adams, C. Alduino, K. Alfonso, F. T. Avignone, O. Azzolini, et al. (2022). New results from the CUORE experiment. INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 37(07), 1-11 [10.1142/s0217751x22400140].