Search for Neutrinoless Double-Beta Decay ofTe130with CUORE-0

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2015
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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
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Authors 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;
Journal physical review letters
Year 2015
DOI 10.1103/physrevlett.115.102502
URL
https://sciprofiles.com/publication/view/beab2721861ae26faf40a0e27dad3b22
Keywords
fwhm double beta decay te130 cuore neutrinoless double beta detector array

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