A cryogenic underground observatory for rare events: CUORE, an update |
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| Authors: | A. Alessandrello C. Arnaboldi F. T. Avignone III J. Beeman M. Barucci M. Balata C. Brofferio C. Bucci S. Cebrian R. J. Creswick S. Capelli L. Carbone O. Cremonesi A. de Ward E. Fiorini H. A. Farach G. Frossati A. Giuliani D. Giugni E. E. Haller I. G. Irastorza R. J. McDonald A. Morales E. B. Norman P. Negri A. Nucciotti M. Pedretti C. Pobes V. Palmieri M. Pavan G. Pessina S. Pirro E. Previtali C. Rosenfeld A. R. Smith M. Sisti G. Ventura M. Vanzini L. Zanotti |
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| Affiliation: | (1) Department of Physics and Astronomy, University of South Carolina, Columbia, SC 29208, USA;(2) Lawrence Berkeley National Laboratory, California, USA;(3) Department of Materials Science and Mineral Engineering, University of California, Berkeley, CA 94720, USA;(4) Dipartimento di Fisica dell'Università di Firenze e Sezione di Firenze dell'INFN, Italy;(5) Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy;(6) Laboratorio de Física Nuclear y Altas Energías, Universidad de Zaragoza, Spain;(7) Kamerling Onnes Laboratory, Leiden University, The Netherlands;(8) Dipartimento di Scienze Chimiche, Fisiche e Matematiche dell'Università dell'Insubria e Sezione di Milano dell'INFN, Como, Italy;(9) Laboratori Nazionali de Legnaro, Padova, Italy;(10) Dipartimento di Fisica dell'Università di Milano-Bicocca e Sezione di Milano dell'INFN, Italy |
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| 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. |
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