Search for double-ß decay of 130Te to the first 0+ excited state of 130Xe with the CUORICINO experiment bolometer array

Year: 2012

Authors: Andreotti E., Arnaboldi C., Avignone F.T., Balata M., Bandac I., Barucci M., Beeman J.W., Bellini F., Brofferio C., Bryant A., Bucci C., Canonica L., Capelli S., Carbone L., Carrettoni M., Clemenza M., Cremonesi O., Creswick R.J., Di Domizio S., Dolinski M.J., Ejzak L., Faccini R., Farach H.A., Ferri E., Fiorini E., Foggetta L., Giachero A., Gironi L., Giuliani A., Gorla P., Guardincerri E., Gutierrez T.D., Haller E.E., Kazkaz K., Kogler L., Kraft S., Maiano C., Martinez C., Martinez M., Maruyama R.H., Newman S., Nisi S., Nones C., Norman E.B., Nucciotti A., Orio F., Pallavicini M., Palmieri V., Pattavina L., Pavan M., Pedretti M., Pessina G., Pirro S., Previtali E., Risegari L., Rosenfeld C., Rusconi C., Salvioni C., Sangiorgio S., Schaeffer D., Scielzo N.D., Sisti M., Smith A.R., Tomei C., Ventura G., Vignati M.

Autors Affiliation: Dipartimento di Fisica e Matematica, Università dell\’Insubria, Como I-22100, Italy; INFN, Sezione di Milano Bicocca, Milano I-20126, Italy; Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy; Department of Physics and Astronomy, University of South Carolina, Columbia, SC 29208, United States; INFN, Laboratori Nazionali Del Gran Sasso, Assergi (L\’Aquila) I-67010, Italy; Dipartimento di Fisica, Università di Firenze, Firenze I-50125, Italy; INFN, Sezione di Firenze, Firenze I-50125, Italy; Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States; Dipartimento di Fisica, Sapienza Università di Roma, Roma I-00185, Italy; INFN, Sezione di Roma, Roma I-00185, Italy; Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States; Department of Physics, University of California, Berkeley, CA 94720, United States; Dipartimento di Fisica, Università di Genova, Genova I-16146, Italy; INFN, Sezione di Genova, Genova I-16146, Italy; Lawrence Livermore National Laboratory, Livermore, CA 94550, United States; Department of Physics, University of Wisconsin, Madison, WI 53706, United States; Physics Department, California Polytechnic State University, San Luis Obispo, CA 93407, United States; Department of Materials Science and Engineering, University of California, Berkeley, CA 94720, United States; Laboratorio de Fisica Nuclear y Astroparticulas, Universidad de Zaragoza, Zaragoza 50009, Spain; Department of Nuclear Engineering, University of California, Berkeley, CA 94720, United States; INFN, Laboratori Nazionali di Legnaro, Legnaro (Padova) I-35020, Italy; EHandS Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States; Joint Research Center, Institute for Reference Materials and Measurement, 2440 Geel, Belgium; Laboratoire de l\’Accélérateur Linéaire, Centre Scientifique d\’Orsay, 91898 Orsay, France; Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse, 91405 Orsay Campus, France; INFN, Sezione di Roma Tor Vergata, Roma I-00133, Italy; Queen\’s University, Kingston, ON K7L 3N6, Canada; Institut d\’Astrophysique Spatial, 91045 Orsay, France., France; CEA / Saclay, 91191 Gif-sur-Yvette, France

Abstract: The CUORICINO experiment was an array of 62 TeO2 single-crystal bolometers with a total 130Te mass of 11.3kg. The experiment finished in 2008 after more than 3 yr of active operating time. Searches for both 0? and 2? double-ß decay to the first excited 0+ state in 130Xe were performed by studying different coincidence scenarios. The analysis was based on data representing a total exposure of N(130Te)•t=9.5×1025yr. No evidence for a signal was found. The resulting lower limits on the half-lives are T122?(130Te?130Xe*)>1. 3×1023yr (90% C.L.), and T120?(130Te ?130Xe*)>9.4×1023yr (90% CL). ©2012 American Physical Society.

Journal/Review: PHYSICAL REVIEW C

Volume: 85 (4)      Pages from:   to:

More Information: The CUORICINO Collaboration owes many thanks to the directors and staff of the Laboratori Nazionali del Gran Sasso over the years of the development, construction, and operation of CUORICINO, and to the technical staffs of our laboratories. In particular we would like to thank R. Gaigher, R. Mazza, P. Nuvolone, M. Perego, B. Romualdi, L. Tatananni, and A. Rotilio for continuous and constructive help in various stages of this experiment. We are grateful to our colleagues Y.G. Kolomenski and L. Zanotti for help and fruitful discussions. The CUORICINO experiment was supported by the Istituto Nazionale di Fisica Nucleare (INFN), the Commission of the European Community under Contract No. HPRN-CT-2002-00322, by the US Department of Energy under Contract No. DE-AC03-76-SF00098, and DOE W-7405-Eng-48, and by the National Science Foundation Grant Nos. PHY-0139294 and PHY-0500337.
KeyWords: Detectors; Limits
DOI: 10.1103/PhysRevC.85.045503

Citations: 19
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