Search for Neutrinoless Double-Beta Decay ofTe130with CUORE-0
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Search for Neutrinoless Double-Beta Decay ofTe130with CUORE-0

K. Alfonso,D. R. Artusa,F. T. Avignone,O. Azzolini,M. Balata,T.I. Banks,G. Bari,Jeffrey W Beeman,F. Bellini,A. Bersani,Matteo Biassoni,C Brofferio,C Bucci,A. Caminata,Lucia Canonica,X. G. Cao,Silvia Capelli,L. Cappelli,L. Carbone,L. Cardani,N. Casali,L. Cassina,D. Chiesa,N. Chott,Massimiliano Clemenza,S. Copello,C. Cosmelli,O. Cremonesi,R. J. Creswick,Jeremy Cushman,I. Dafinei,A. Dally,Stefano Dell’Oro,M. M. DeNinno,S. Di Domizio,M. L. Di Vacri,A. Drobizhev,L. Ejzak,D. Q. Fang,M. Faverzani,G. Fernandes,E. Ferri,F. Ferroni,E. Fiorini,S. J. Freedman,B. K. Fujikawa,Andrea Giachero,Luca Gironi,A. Giuliani,P. Gorla,C. Gotti,Thomas Gutierrez,E. E. Haller,Ke Han,E. Hansen,K. M. Heeger,R. Hennings-Yeomans,K. P. Hickerson,H. Z. Huang,R. Kadel,G. Keppel,Yu. G. Kolomensky,K. E. Lim,X. Liu,Y. G. Ma,M. Maino,M. Martinez,R. Maruyama,Y. Mei,N. Moggi,S. Morganti,S. Nisi,C. Nones,E. B. Norman,A. Nucciotti,T. O’Donnell,F. Orio,D. Orlandi,J. L. Ouellet,C. E. Pagliarone,M. Pallavicini,V. Palmieri,Luca Pattavina,Maura Pavan,M. Pedretti,G. Pessina,V. Pettinacci,G. Piperno,S. Pirro,Stefano Pozzi,E. Previtali,C. Rosenfeld,C. Rusconi,E. Sala,S. Sangiorgio,D. Santone,N. D. Scielzo,M. Sisti,A. R. Smith,L. Taffarello,M. Tenconi,F. Terranova,C. Tomei,S. Trentalange,G. Ventura,Marco Vignati,S. L. Wagaarachchi,B. S. Wang,H. W. Wang,L. Wielgus,J. Wilson,L. A. Winslow,T. Wise,L. Zanotti,C. Zarra,G. Q. Zhang,B. X. Zhu,S. Zucchelli,CUORE Collaboration;K. Alfonso;D. R. Artusa;F. T. Avignone;O. Azzolini;M. Balata;T.I. Banks;G. Bari;Jeffrey W Beeman;F. Bellini;A. Bersani;Matteo Biassoni;C Brofferio;C Bucci;A. Caminata;Lucia Canonica;X. G. Cao;Silvia Capelli;L. Cappelli;L. Carbone;L. Cardani;N. Casali;L. Cassina;D. Chiesa;N. Chott;Massimiliano Clemenza;S. Copello;C. Cosmelli;O. Cremonesi;R. J. Creswick;Jeremy Cushman;I. Dafinei;A. Dally;Stefano Dell’Oro;M. M. DeNinno;S. Di Domizio;M. L. Di Vacri;A. Drobizhev;L. Ejzak;D. Q. Fang;M. Faverzani;G. Fernandes;E. Ferri;F. Ferroni;E. Fiorini;S. J. Freedman;B. K. Fujikawa;Andrea Giachero;Luca Gironi;A. Giuliani;P. Gorla;C. Gotti;Thomas Gutierrez;E. E. Haller;Ke Han;E. Hansen;K. M. Heeger;R. Hennings-Yeomans;K. P. Hickerson;H. Z. Huang;R. Kadel;G. Keppel;Yu. G. Kolomensky;K. E. Lim;X. Liu;Y. G. Ma;M. Maino;M. Martinez;R. Maruyama;Y. Mei;N. Moggi;S. Morganti;S. Nisi;C. Nones;E. B. Norman;A. Nucciotti;T. O’Donnell;F. Orio;D. Orlandi;J. L. Ouellet;C. E. Pagliarone;M. Pallavicini;V. Palmieri;Luca Pattavina;Maura Pavan;M. Pedretti;G. Pessina;V. Pettinacci;G. Piperno;S. Pirro;Stefano Pozzi;E. Previtali;C. Rosenfeld;C. Rusconi;E. Sala;S. Sangiorgio;D. Santone;N. D. Scielzo;M. Sisti;A. R. Smith;L. Taffarello;M. Tenconi;F. Terranova;C. Tomei;S. Trentalange;G. Ventura;Marco Vignati;S. L. Wagaarachchi;B. S. Wang;H. W. Wang;L. Wielgus;J. Wilson;L. A. Winslow;T. Wise;L. Zanotti;C. Zarra;G. Q. Zhang;B. X. Zhu;S. Zucchelli;CUORE Collaboration;
physical review letters 2015 Vol. 115 pp. 102502-
183
collaboration2015physicalsearch

Abstract

We report the results of a search for neutrinoless double-beta decay in a 9.8 kg yr exposure of Te130 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 2.9×1024 yr and surpasses the sensitivity of previous searches. We find no evidence for neutrinoless double-beta decay of Te130 and place a Bayesian lower bound on the decay half-life, T1/20ν>2.7×1024 yr at 90% C.L. Combining CUORE-0 data with the 19.75 kg yr exposure of Te130 from the Cuoricino experiment we obtain T1/20ν>4.0×1024 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, mββ

Keywords

fwhm double beta decay te130 cuore neutrinoless double beta detector array

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DOI:
10.1103/physrevlett.115.102502
URL:
https://sciprofiles.com/publication/view/beab27218...

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ID: 112763
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