Search for β+/EC double beta decay of 120Te

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ID: 269550
2011
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Abstract
We present a search for β+/EC double beta decay of 120Te performed with the CUORICINO experiment, an array of TeO2 cryogenic bolometers. After collecting 0.0573 kg · y of 120Te, we see no evidence of a signal and therefore set the following limits on the half-life: T1/20ν>1.9·1021 y at 90% C.L. for the 0ν mode and T1/22ν>7.6·1019 y at 90% C.L. for the 2ν mode. These results improve the existing limits by almost three orders of magnitude (four in the case of 0ν mode).
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Authors E. Andreotti,C. Arnaboldi,F.T. Avignone,M. Balata,I. Bandac,M. Barucci,J.W. Beeman,F. Bellini,C. Brofferio,A. Bryant,C. Bucci,L. Canonica,Silvia Capelli,L. Carbone,M. Carrettoni,Massimiliano Clemenza,O. Cremonesi,R.J. Creswick,S. Di Domizio,M.J. Dolinski,L. Ejzak,R. Faccini,H.A. Farach,E. Ferri,E. Fiorini,L. Foggetta,Andrea Giachero,Luca Gironi,Andrea Ernesto Giuliani,Paolo Gorla,E. Guardincerri,T.D. Gutierrez,E.E. Haller,K. Kazkaz,Saskia Kraft-Bermuth,L. Kogler,C. Maiano,R.H. Maruyama,C. Martinez,S. Newman,S. Nisi,C. Nones,E.B. Norman,A. Nucciotti,F. Orio,M. Pallavicini,V. Palmieri,L. Pattavina,Maura Pavan,M. Pedretti,Gianluigi Ezio Pessina,S. Pirro,E. Previtali,L. Risegari,C. Rosenfeld,C. Rusconi,C. Salvioni,Samuele Sangiorgio,D. Schaeffer,N.D. Scielzo,Monica Sisti,A.R. Smith,C. Tomei,G. Ventura,M. Vignati;E. Andreotti;C. Arnaboldi;F.T. Avignone;M. Balata;I. Bandac;M. Barucci;J.W. Beeman;F. Bellini;C. Brofferio;A. Bryant;C. Bucci;L. Canonica;Silvia Capelli;L. Carbone;M. Carrettoni;Massimiliano Clemenza;O. Cremonesi;R.J. Creswick;S. Di Domizio;M.J. Dolinski;L. Ejzak;R. Faccini;H.A. Farach;E. Ferri;E. Fiorini;L. Foggetta;Andrea Giachero;Luca Gironi;Andrea Ernesto Giuliani;Paolo Gorla;E. Guardincerri;T.D. Gutierrez;E.E. Haller;K. Kazkaz;Saskia Kraft-Bermuth;L. Kogler;C. Maiano;R.H. Maruyama;C. Martinez;S. Newman;S. Nisi;C. Nones;E.B. Norman;A. Nucciotti;F. Orio;M. Pallavicini;V. Palmieri;L. Pattavina;Maura Pavan;M. Pedretti;Gianluigi Ezio Pessina;S. Pirro;E. Previtali;L. Risegari;C. Rosenfeld;C. Rusconi;C. Salvioni;Samuele Sangiorgio;D. Schaeffer;N.D. Scielzo;Monica Sisti;A.R. Smith;C. Tomei;G. Ventura;M. Vignati;
Journal astroparticle physics
Year 2011
DOI 10.1016/j.astropartphys.2010.12.011
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