A cryogenic underground observatory for rare events: CUORE, an update

Year: 2003

Authors: Alessandrello A., Arnaboldi C., Avignone III F.T., Beeman J., Barucci M., Balata M., Brofferio C., Bucci C., Cebrian S., Creswick R.J., Capelli S., Carbone L., Cremonesi O., De Ward A., Fiorini E., Farach H.A., Frossati G., Giuliani A., Giugni D., Haller E.E., Irastorza I.G., McDonald R.J., Morales A., Norman E.B., Negri P., Nucciotti A., Pedretti M., Pobes C., Palmieri V., Pavan M., Pessina G., Pirro S., Previtali E., Rosenfeld C., Smith A.R., Sisti M., Ventura G., Vanzini M., Zanotti L.

Autors Affiliation: Dipartimento di Fisica, Univ. di Milano – Bicocca, INFN, Milano, Italy; Department of Physics, University of South Carolina, Columbia, SC 29208, United States; Lawrence Berkeley Natl. Laboratory, Berkeley, CA, United States; Department of Materials Science, University of California, Berkeley, CA 94720, United States; Dipartimento di Fisica, Università di Firenze, INFN, Firenze, Italy; Laboratori Nazionali del Gran Sasso, Assergi (L\’Aquila), Italy; Lab. de Fis. Nucl./Altas Ener., Universidad de Zaragoza, Zaragoza, Spain; Kamerling Onnes Laboratory, Leiden University, Leiden, Netherlands; Dipartimento di Scienze Chimiche, Università dell\’Insubria, INFN, Como, Italy; Laboratori Nazionali de Legnaro, Padova, Italy

Abstract: CUORE is a proposed tightly packed array of 1000 TeO2 bolometers, each being a cube 5 cm on a side with a mass of 750 g. The array consists of 25 vertical towers, arranged in a square of 5 towers by 5 towers, each containing ten layers of four crystals. The design of the detector is optimized for ultralow-background searches for neutrinoless double beta decay of 130Te (33.8% abundance), cold dark matter, solar axions, and rare nuclear decays. A preliminary experiment involving 20 crystals of various sizes (MIBETA) has been completed, and a single CUORE tower is being constructed as a smaller scale experiment called CUORICINO. The expected performance and sensitivity, based on Monte Carlo simulations and extrapolations of present results, are reported.


Volume: 66 (3)      Pages from: 452  to: 457

KeyWords: Decay; Neutrinos; Double β
DOI: 10.1134/1.1563703

Citations: 12
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