Cuoricino and CUORE detectors: Developing big arrays of large mass bolometers for rare events physics

Year: 2006

Authors: Gorla P., Ardito R., Arnaboldi C., Artusa D.R., Avignone III F.T., Balata M., Bandac I., Barucci M., Beeman J., Brofferio C., Bucci C., Capelli S., Capozzi F., Carbone L., Cebrian S., Cremonesi O., Creswick R.J., Dolinski M., de Waard A., Farach H.A., Ferroni F., Fiorini E., Frossati G., Gargiulo C., Giuliani A., Guardincerri E., Gutierrez T., Haller E.E., Irastorza I.G., Longo E., Maier G., Maruyama R., McDonald R.J., Morganti S., Morales A., Nisi S., Norman E.B., Nucciotti A., Olivieri E., Ottonello P., Pallavicini M., Palmieri V., Pasca E., Pavan M., Pedretti M., Pessina G., Pirro S., Previtali E., Quiter B., Risegari L., Rosenfeld C., Sangiorgio S., Sisti M., Smith A.R., Toffanin Torres, L. Ventura, G. Xu, N.

Autors Affiliation: INFN, Laboratori Nazionali del Gran Sasso, Assegi, AQ, Italy; Nuclear and High Energy Physics Laboratory, University of Zaragoza, Zaragoza, Spain; Dipartimento di Fisica, Università di Milano-Bicocca, Sezione di Milano dell\’INFN, Milano I-20126, Italy; Dipartimento di Ingegneria Strutturale, Politecnico di Milano, Milano I-20133, Italy; Dept. of Physics and Astronomy, University of South Carolina, Columbia, SC 29208, United States; Dipartimento di Fisica, Università di Firenze, Sezione di Firenze dell\’INFN, Firenze I-50125, Italy; Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States; Dept. of Materials Science and Mineral Engineering, University of California, Berkeley, CA 94720, United States; Kamerling Onnes Laboratory, Leiden University, 2300 RAQ Leiden, Netherlands; Dipartimento di Fisica, Università di Roma, Sezione di Roma 1 dell\’INFN, Roma I-16146, Italy; Dipartimento di Scienze Chimiche, Fisiche e Matematiche, Università dell\’Insubria, Sezione di Milano dell\’INFN, Como I-22100, Italy; Dipartimento di Fisica, Università di Genova, Sezione di Genova dell\’INFN, Genova I-16146, Italy; Laboratori Nazionali di Legnaro, Via Romea 4, I-35020 Legnaro, Padova, Italy

Abstract: In the last 10 years bolometers have become extremely powerful detectors in the search for rare events, due to their very good resolution. Cuoricino, a 62 bolometer array, in the first months of activity reached a resolution (average in all detectors) in the energy region of interest (2528 keV) of 7 keV and a limit on the t1/2 of the process of 7.5 · 1023y. Cuoricino\’s 62 detectors constitute the biggest number of macrobolometers (790 g each) ever cooled and demonstrate the feasibility of large arrays of bolometers. Following the indication of Cuoricino in CUORE R&D a new detector has been developed trying to improve the reproducibility of the detector\’s performance, to increase the single detector mass (to reduce the number of channels) and to simplify the experiment assembly. The latest results are presented.

Journal/Review: NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS

Volume: 150 (1-3)      Pages from: 214  to: 218

KeyWords: Decay; Neutrinos; Double β
DOI: 10.1016/j.nuclphysbps.2004.11.387

Citations: 5
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