CUORE: A cryogenic underground observatory for rare events

Year: 2004

Authors: 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., Gorla P., 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, Universitą di Milano-Bicocca, Sezione di Milano dell\’INFN, I-20136 Milan, Italy; Department of Physics, University of South Carolina, Columbia, SC 29208, United States; Lawrence Berkeley Natl. Laboratory, Berkeley, CA 94720, United States; Dipartimento di Fisica, Universitą di Firenze, Sezione di Firenze dell\’INFN, I-50125 Firenze, Italy; Laboratori Nazionali del Gran Sasso, I-67010 Assergi (L\’Aquila), Italy; Lab. de Fis. Nucl. y Altas Energias, Universidąd de Zaragoza, 50009 Zaragoza, Spain; Kamerling Onnes Laboratory, Leiden University, 2300 RA Leiden, Netherlands; Dipartimento di Scienze Chimiche, Universitą dell\’Insubria, Sezione di Milano dell\’INFN, I-22100 Como, Italy; Laboratori Nazionali di Legnaro, Via Romea, 4, I-35020 Legnaro (Padova), Italy; Department of Materials Science, University of California, Berkeley, CA 94720, United States

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 760 g. The array consists of 25 vertical towers, arranged in a square of 5 towers×5 towers, each containing 10 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 3×3×6 cm3 of 340 g 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.

Journal/Review: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT

Volume: 518 (3)      Pages from: 775  to: 798

KeyWords: Bolometers; Computer simulation; Cryogenics; Extrapolation; Mathematical models; Monte Carlo methods; Product design; Radiation detectors; Radioisotopes, Dark matters; Double-beta decay; Underground detectors, Nuclear instrumentation
DOI: 10.1016/j.nima.2003.07.067

Citations: 272
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