First Results from CUORE: A Search for Lepton Number Violation via 0νββ Decay of [superscript 130]Te
Author(s)
Alduino, C.; Alessandria, F.; Alfonso, K.; Andreotti, E.; Arnaboldi, C.; Avignone, F. T.; Azzolini, O.; Balata, M.; Bandac, I.; Banks, T. I.; Bari, G.; Barucci, M.; Beeman, J. W.; Bellini, F.; Benato, G.; Bersani, A.; Biare, D.; Biassoni, M.; Bragazzi, F.; Branca, A.; Brofferio, C.; Bryant, A.; Buccheri, A.; Bucci, C.; Bulfon, C.; Camacho, A.; Caminata, A.; Cao, X. G.; Capelli, S.; Capodiferro, M.; Cappelli, L.; Cardani, L.; Cariello, M.; Carniti, P.; Carrettoni, M.; Casali, N.; Cassina, L.; Cereseto, R.; Ceruti, G.; Chiarini, A.; Chiesa, D.; Chott, N.; Clemenza, M.; Conventi, D.; Copello, S.; Cosmelli, C.; Cremonesi, O.; Crescentini, C.; Creswick, R. J.; Cushman, J. S.; D’Addabbo, A.; D’Aguanno, D.; Dafinei, I.; Datskov, V.; Davis, C. J.; Del Corso, F.; Dell’Oro, S.; Deninno, M. M.; Di Domizio, S.; Di Vacri, M. L.; Di Paolo, L.; Drobizhev, A.; Ejzak, L.; Faccini, R.; Fang, D. Q.; Faverzani, M.; Ferri, E.; Ferroni, F.; Fiorini, E.; Franceschi, M. A.; Freedman, S. J.; Fujikawa, B. K.; Gaigher, R.; Giachero, A.; Gironi, L.; Giuliani, A.; Goett, J.; Gorla, P.; Gotti, C.; Guandalini, C.; Guerzoni, M.; Gutierrez, T. D.; Haller, E. E.; Han, K.; Heeger, K. M.; Hennings-Yeomans, R.; Hickerson, K. P.; Huang, H. Z.; Iannone, M.; Ioannucci, L.; Kadel, R.; Keppel, G.; Kogler, L.; Kolomensky, Yu. G.; Ligi, C.; Lim, K. E.; Liu, X.; Ma, Y. G.; Maiano, C.; Maino, M.; Marini, L.; Martinez, M.; Martinez Amaya, C.; Maruyama, R. H.; Mei, Y.; Moggi, N.; Morganti, S.; Mosteiro, P. J.; Nagorny, S. S.; Napolitano, T.; Nastasi, M.; Nisi, S.; Nones, C.; Norman, E. B.; Novati, V.; Nucciotti, A.; Nutini, I.; O’Donnell, T.; Olcese, M.; Olivieri, E.; Orio, F.; Orlandi, D.; Pagliarone, C. E.; Pallavicini, M.; Palmieri, V.; Pattavina, L.; Pavan, M.; Pedretti, M.; Pedrotta, R.; Pelosi, A.; Pessina, G.; Pettinacci, V.; Piperno, G.; Pira, C.; Pirro, S.; Pozzi, S.; Previtali, E.; Reindl, F.; Rimondi, F.; Risegari, L.; Rosenfeld, C.; Rossi, C.; Rusconi, C.; Sakai, M.; Sala, E.; Salvioni, C.; Sangiorgio, S.; Santone, D.; Schaeffer, D.; Schmidt, B.; Schmidt, J.; Scielzo, N. D.; Singh, V.; Sisti, M.; Smith, A. R.; Stivanello, F.; Taffarello, L.; Tatananni, L.; Tenconi, M.; Terranova, F.; Tessaro, M.; Tomei, C.; Ventura, G.; Vignati, M.; Wagaarachchi, S. L.; Wallig, J.; Wang, B. S.; Wang, H. W.; Welliver, B.; Wilson, J.; Wilson, K.; Wise, T.; Zanotti, L.; Zarra, C.; Zhang, G. Q.; Zhu, B. X.; Zimmermann, S.; Zucchelli, S.; Canonica, Lucia; Gladstone, Laura; Hansen, E. V.; Leder, Alexander Friedrich; Ouellet, Jonathan L; Winslow, Lindley; ... Show more Show less
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The CUORE experiment, a ton-scale cryogenic bolometer array, recently began operation at the Laboratori Nazionali del Gran Sasso in Italy. The array represents a significant advancement in this technology, and in this work we apply it for the first time to a high-sensitivity search for a lepton-number-violating process: [superscript 130]Te neutrinoless double-beta decay. Examining a total TeO[subscript 2] exposure of 86.3 kg yr, characterized by an effective energy resolution of (7.7±0.5) keV FWHM and a background in the region of interest of (0.014±0.002) counts/(keV kg yr), we find no evidence for neutrinoless double-beta decay. Including systematic uncertainties, we place a lower limit on the decay half-life of T[subscript 1/2][supsercript 0ν]([superscript 130]Te)>1.3×10[superscript 25] yr (90% C.L.); the median statistical sensitivity of this search is 7.0×10^{24} yr. Combining this result with those of two earlier experiments, Cuoricino and CUORE-0, we find T[subscript 1/[superscript 0ν]([superscript 130]Te)>1.5×10[superscript 25] yr (90% C.L.), which is the most stringent limit to date on this decay. Interpreting this result as a limit on the effective Majorana neutrino mass, we find m[subscript ββ]<(110-520) meV, where the range reflects the nuclear matrix element estimates employed.
Date issued
2018-03Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
Physical Review Letters
Publisher
American Physical Society
Citation
Alduino, C., et al. “First Results from CUORE: A Search for Lepton Number Violation via 0νββ Decay of [superscript 130]Te.” Physical Review Letters, vol. 120, no. 13, Mar. 2018. © 2018 American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114