Welcome to Cupid-0

Overview

CUPID-0 is the first demonstrator of the CUPID project, which aims to build a future-generation bolometric experiment to search for neutrinoless double beta decay (0νββ): this is a very rare, never observed process, that, if existing, can answer to some unsolved questions about neutrinos...

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CUPID-0 Detector

CUPID-0 is the first 0νββ experiment using the scintillating bolometers technique. The detector is an array of 26 ZnSe crystals (24 highly enriched in ⁸²Se at a level of 95% and 2 naturals) arranged in 5 tower-like structures. The crystals are interleaved with very thin Ge slabs operating as bolometric light detectors...

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CUPID-0 Cryostat

The CUPID-0 cryostat was build in 1988 by OXFORD INSTRUMENTS. It is a completely custom wet cryostat, made with radiopure materials, able to reach a base temperature of about 7.5 mK. The setup hosted several double beta decay experiments in the past: MIBETA, Cuoricino, and CUORE-0...

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CUPID-0 Phase II

To understand the origin of the few background counts in the energy region of interest, the CUPID-0 setup was modified in early 2019…

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Results

Here the most recent results and publication about the CUPID-0 detector, as well as the early results of its pilot project, LUCIFER.

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CUPID

CUPID is a project born in 2014 to propose a future tonne-scale bolometric neutrinoless double beta decay experiment...

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Evidence of single state dominance in the two-neutrino double-beta decay of ⁸²Se with CUPID-0

Phys. Rev. Lett. 123, 262501 – Published 23 December 2019 O. Azzolini, J.W. Beeman, F. Bellini, M. Beretta, M. Biassoni, C. Brofferio, C. Bucci, S. Capelli, L. Cardani, P....
First search for Lorentz violation in double beta decay with scintillating calorimeters

Phys. Rev. D 100, 092002 (2019) O. Azzolini, J.W. Beeman, F. Bellini, M. Beretta, M. Biassoni, C. Brofferio, C. Bucci, S. Capelli, L. Cardani, P. Carniti, N. Casali, D....
Resolution enhancement with light/heat decorrelation in CUPID-0 bolometric detector

Journal of Instrumentation, Volume 14, Issue 08, pp. P08017 (2019) M. Beretta, L. Cardani, N. Casali, L. Gironi, L. Pagnanini, F. Bellini, C. Brofferio, D. Chiesa, S. Capelli, S....
Final result of CUPID-0 phase-I in the search for the ⁸²Se Neutrinoless Double Beta Decay

Phys. Rev. Lett. 123, 032501 O. Azzolini, J.W. Beeman, F. Bellini, M. Beretta, M. Biassoni, C. Brofferio, C. Bucci, S. Capelli, L. Cardani, P. Carniti, N. Casali, D. Chiesa,...

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