CUPID-0: the first array of enriched scintillating bolometers for 0νββ decay investigations

The CUPID-0 detector hosted at the Laboratori Nazionali del Gran Sasso, Italy, is the first large array of enriched scintillating cryogenic detectors for the investigation of 82 Se neutrinoless double-beta decay ( 0 ν β β ). CUPID-0 aims at measuring a background index in the region of interest (RoI...

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Published inThe European physical journal. C, Particles and fields Vol. 78; no. 5
Main Authors Azzolini, O., Barrera, M. T., Beeman, J. W., Bellini, F., Beretta, M., Biassoni, M., Brofferio, C., Bucci, C., Canonica, L., Capelli, S., Cardani, L., Carniti, P., Casali, N., Cassina, L., Clemenza, M., Cremonesi, O., Cruciani, A., D’Addabbo, A., Dafinei, I., Domizio, S. Di, Ferroni, F., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Keppel, G., Martinez, M., Morganti, S., Nagorny, S., Nastasi, M., Nisi, S., Nones, C., Orlandi, D., Pagnanini, L., Pallavicini, M., Palmieri, V., Pattavina, L., Pavan, M., Pessina, G., Pettinacci, V., Pirro, S., Pozzi, S., Previtali, E., Puiu, A., Reindl, F., Rusconi, C., Schäffner, K., Tomei, C., Vignati, M., Zolotarova, A.
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 2018
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Summary:The CUPID-0 detector hosted at the Laboratori Nazionali del Gran Sasso, Italy, is the first large array of enriched scintillating cryogenic detectors for the investigation of 82 Se neutrinoless double-beta decay ( 0 ν β β ). CUPID-0 aims at measuring a background index in the region of interest (RoI) for 0 ν β β at the level of 10 - 3  counts/(keV kg years), the lowest value ever measured using cryogenic detectors. CUPID-0 operates an array of Zn 82 Se scintillating bolometers coupled with bolometric light detectors, with a state of the art technology for background suppression and thorough protocols and procedures for the detector preparation and construction. In this paper, the different phases of the detector design and construction will be presented, from the material selection (for the absorber production) to the new and innovative detector structure. The successful construction of the detector lead to promising preliminary detector performance which is discussed here.
ISSN:1434-6044
1434-6052
DOI:10.1140/epjc/s10052-018-5896-8