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. 2015 Sep 4;115(10):102502.
doi: 10.1103/PhysRevLett.115.102502. Epub 2015 Sep 3.

Search for Neutrinoless Double-Beta Decay of (130)Te with CUORE-0

K Alfonso  1 , D R Artusa  2   3 , F T Avignone 3rd  2 , O Azzolini  4 , M Balata  3 , T I Banks  5   6 , G Bari  7 , J W Beeman  8 , F Bellini  9   10 , A Bersani  11 , M Biassoni  12   13 , C Brofferio  12   13 , C Bucci  3 , A Caminata  11 , L Canonica  3 , X G Cao  14 , S Capelli  12   13 , L Cappelli  3   15 , L Carbone  13 , L Cardani  9   10 , N Casali  9   10 , L Cassina  12   13 , D Chiesa  12   13 , N Chott  2 , M Clemenza  12   13 , S Copello  11   16 , C Cosmelli  9   10 , O Cremonesi  13 , R J Creswick  2 , J S Cushman  17 , I Dafinei  10 , A Dally  18 , S Dell'Oro  3   19 , M M Deninno  7 , S Di Domizio  11   16 , M L Di Vacri  3   20 , A Drobizhev  5   6 , L Ejzak  18 , D Q Fang  14 , M Faverzani  12   13 , G Fernandes  11   16 , E Ferri  12   13 , F Ferroni  9   10 , E Fiorini  12   13 , S J Freedman  5   6 , B K Fujikawa  6 , A Giachero  12   13 , L Gironi  12   13 , A Giuliani  21 , P Gorla  3 , C Gotti  12   13 , T D Gutierrez  22 , E E Haller  8   23 , K Han  6   17 , E Hansen  1   24 , K M Heeger  17 , R Hennings-Yeomans  5   6 , K P Hickerson  1 , H Z Huang  1 , R Kadel  25 , G Keppel  4 , Yu G Kolomensky  5   25 , K E Lim  17 , X Liu  1 , Y G Ma  14 , M Maino  12   13 , M Martinez  9   26 , R H Maruyama  17 , Y Mei  6 , N Moggi  7   27 , S Morganti  10 , S Nisi  3 , C Nones  28 , E B Norman  29   30 , A Nucciotti  12   13 , T O'Donnell  5   6 , F Orio  10 , D Orlandi  3 , J L Ouellet  5   6 , C E Pagliarone  3   15 , M Pallavicini  11   16 , V Palmieri  4 , L Pattavina  3 , M Pavan  12   13 , M Pedretti  29 , G Pessina  13 , V Pettinacci  10 , G Piperno  9   10 , S Pirro  3 , S Pozzi  12   13 , E Previtali  13 , C Rosenfeld  2 , C Rusconi  13 , E Sala  12   13 , S Sangiorgio  29 , D Santone  3   20 , N D Scielzo  29 , M Sisti  12   13 , A R Smith  6 , L Taffarello  31 , M Tenconi  21 , F Terranova  12   13 , C Tomei  10 , S Trentalange  1 , G Ventura  32   33 , M Vignati  10 , S L Wagaarachchi  5   6 , B S Wang  29   30 , H W Wang  14 , L Wielgus  18 , J Wilson  2 , L A Winslow  24 , T Wise  17   18 , L Zanotti  12   13 , C Zarra  3 , G Q Zhang  14 , B X Zhu  1 , S Zucchelli  7   34 ; CUORE Collaboration
Affiliations
Free article

Search for Neutrinoless Double-Beta Decay of (130)Te with CUORE-0

K Alfonso et al. Phys Rev Lett. .
Free article

Abstract

We report the results of a search for neutrinoless double-beta decay in a 9.8 kg yr exposure of (130)Te using a bolometric detector array, CUORE-0. The characteristic detector energy resolution and background level in the region of interest are 5.1±0.3 keV FWHM and 0.058±0.004(stat)±0.002(syst)counts/(keV kg yr), respectively. The median 90% C.L. lower-limit half-life sensitivity of the experiment is 2.9×10(24) yr and surpasses the sensitivity of previous searches. We find no evidence for neutrinoless double-beta decay of (130)Te and place a Bayesian lower bound on the decay half-life, T(1/2)(0ν)>2.7×10(24) yr at 90% C.L. Combining CUORE-0 data with the 19.75 kg yr exposure of (130)Te from the Cuoricino experiment we obtain T(1/2)(0ν)>4.0×10(24) yr at 90% C.L. (Bayesian), the most stringent limit to date on this half-life. Using a range of nuclear matrix element estimates we interpret this as a limit on the effective Majorana neutrino mass, m(ββ)<270-760 meV.

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