The background model of the CUPID-Mo 0 νββ experiment

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A90263%2F23%3A00371304" target="_blank" >RIV/68407700:90263/23:00371304 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1140/epjc/s10052-023-11830-2" target="_blank" >https://doi.org/10.1140/epjc/s10052-023-11830-2</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1140/epjc/s10052-023-11830-2" target="_blank" >10.1140/epjc/s10052-023-11830-2</a>

Result language
angličtina
Original language name
The background model of the CUPID-Mo 0 νββ experiment
Original language description
CUPID-Mo, located in the Laboratoire Souterrain de Modane (France), was a demonstrator for the next generation 0 nu beta beta decay experiment, CUPID. It consisted of an array of 20 enriched Li-2 (MoO4)-Mo-100 bolometers and 20 Ge light detectors and has demonstrated that the technology of scintillating bolometers with particle identification capabilities is mature. Furthermore, CUPID-Mo can inform and validate the background prediction for CUPID. In this paper, we present a detailed model of the CUPID-Mo backgrounds. This model is able to describe well the features of the experimental data and enables studies of the 2 nu beta beta decay and other processes with high precision. We also mea sure the radio-purity of the Li-2 (MoO4)-Mo-100 crystals which are found to be sufficient for the CUPID goals. Finally, we also obtain a background index in the region of interest of 3.7 (+0.9)(-0.8) (stat)(-0.7)(+1.5) (syst) x10(-3) counts/ Delta E-FWHM/moliso/year, the lowest in a bolometric 0 nu beta beta decay experiment.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10304 - Nuclear physics

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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