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Results from the CUORE experiment

  • Author(s): Campani, A
  • Adams, DQ
  • Alduino, C
  • Alfonso, K
  • Avignone, FT
  • Azzolini, O
  • Bari, G
  • Bellini, F
  • Benato, G
  • Bersani, A
  • Biassoni, M
  • Branca, A
  • Brofferio, C
  • Bucci, C
  • Caminata, A
  • Canonica, L
  • Cao, XG
  • Capelli, S
  • Cappelli, L
  • Cardani, L
  • Carniti, P
  • Casali, N
  • Cassina, L
  • Chiesa, D
  • Chott, N
  • Clemenza, M
  • Copello, S
  • Cosmelli, C
  • Cremonesi, O
  • Creswick, RJ
  • Cushman, JS
  • D'Addabbo, A
  • D'Aguanno, D
  • Dafinei, I
  • Davis, CJ
  • Dell'oro, S
  • Deninno, MM
  • Di Domizio, S
  • Dompè, V
  • Drobizhev, A
  • Fang, DQ
  • Faverzani, M
  • Ferri, E
  • Ferroni, F
  • Fiorini, E
  • Franceschi, MA
  • Freedman, SJ
  • Fujikawa, BK
  • Giachero, A
  • Gironi, L
  • Giuliani, A
  • Gladstone, L
  • Gorla, P
  • Gotti, C
  • Gutierrez, TD
  • Han, K
  • Heeger, KM
  • Hennings-Yeomansi, R
  • Huang, RG
  • Huang, HZ
  • Johnston, J
  • Keppel, G
  • Kolomensky, YG
  • Leder, A
  • Ligi, C
  • Ma, YG
  • Marini, L
  • Martinez, M
  • Maruyama, RH
  • Mei, Y
  • Moggi, N
  • Morganti, S
  • Nagorny, SS
  • Napolitano, T
  • Nastasi, M
  • Nones, C
  • Norman, EB
  • Novati, V
  • Nucciotti, A
  • Nutini, I
  • O'Donnell, T
  • Ouellet, JL
  • Pagliarone, CE
  • Pallavicini, M
  • Palmieri, V
  • Pattavina, L
  • Pavan, M
  • Pessina, G
  • Pira, C
  • Pozzi, S
  • Previtali, E
  • Puiu, A
  • Reindl, F
  • Rosenfeld, C
  • Rusconi, C
  • Sakai, M
  • Sangiorgio, S
  • Santone, D
  • Schmidt, B
  • Scielzo, ND
  • et al.
Abstract

Neutrinoless double beta decay (0νββ) is a rare, second-order nuclear transition that occurs only if neutrinos are massive Majorana particles or through new physics beyond Standard Model. This process explicitly violates the lepton number (L) by two units and, therefore, the observation of 0νββ would demonstrate that L is not a symmetry of nature. Combined with flavour mixing and cosmological measurements, it can provide unique contraints on neutrino mass scale and establish whether neutrinos are Dirac or Majorana particles. The Cryogenic Underground Observatory for Rare Events (CUORE) is an experiment located at the LNGS searching for 0νββ decay of Te. CUORE exploits the bolometric technique to reach high resolution around the Q-value (2527.5 keV). It consists of an array of 988 natural TeO cubic crystals grouped into 19 towers. With a total active mass of 742 kg (∼206 kg of Te), CUORE is operated at very low temperature with a new He/ He refrigerator. Data taking started at the beginning of 2017. After a brief introduction on the detector and the way data analysis is performed, I describe CUORE first results for the search of the 0νββ decay that were published in March 2018. 130 130 2 3 4

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