Latest results from CUPID-0
Fantini, G., Azzolini, O., Beeman, J.W., Bellini, F., Beretta, M., Biassoni, M., Brofferio, C., Bucci, C., Capelli, S., Caracciolo, V., Cardani, L., Carniti, P., Casali, N., Celi, E., Chiesa, D., Clemenza, M., Colantoni, I., Cremonesi, O., Cruciani, A., . . . Zolotarova, A.S. (2022). Latest results from CUPID-0. In ICHEP 2022 : 41st International Conference on High Energy physics (Article 599). Sissa Medialab. POS Proceedings of Science, 414. https://doi.org/10.22323/1.414.0599
Published inPOS Proceedings of Science
Celi, E. |
Nisi, S. |
Puiu, A. |
© Copyright owned by the author(s)
CUPID-0 is a pilot experiment in scintillating cryogenic calorimetry for the search of neutrino-less double beta decay. 26 ZnSe crystals were operated continuously in the first project phase (March 2017 - December 2018), demonstrating unprecedented low levels of background in the region of interest at the Q-value of 82Se82Se. From this successful experience comes a demonstration of full alpha to beta/gamma background separation, the most stringent limits on the 82Se82Se neutrino-less double beta decay, as well as the most precise measurement of the 8282Se half-life. After a detector upgrade, CUPID-0 began its second and last phase (June 2019 - February 2020). We present the latest results on the neutrino-less double beta decay of 82Se82Se with the full isotope exposure of 8.82 kg×yr8.82 kg×yr. We set a lower bound to the ground state half life T1/2(82Se)>4.6×1024T1/2(82Se)>4.6×1024 yr (90 % C.I.). We review the most recent results from a Bayesian search for spectral distortions to the 82Se82Se double-beta decay spectrum due to exotic decay modes. ...
ConferenceInternational Conference on High Energy Physics
Is part of publicationICHEP 2022 : 41st International Conference on High Energy physics
Publication in research information system
MetadataShow full item record
Related funder(s)Academy of Finland
Funding program(s)Research costs of Academy Research Fellow, AoF; Academy Research Fellow, AoF
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