The background model of the CUPID-Mo 0νββ experiment
Abstract CUPID-Mo, located in the Laboratoire Souterrain de Modane (France), was a demonstrator for the next generation $$0\nu \beta \beta $$ 0...
| Main Authors: | , , , , , , , , , , , , , , , , , , , |
|---|---|
| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
Springer Berlin Heidelberg
2023
|
| Online Access: | https://hdl.handle.net/1721.1/152185 |
| _version_ | 1826197580965478400 |
|---|---|
| author | Augier, C. Barabash, A. S. Bellini, F. Benato, G. Beretta, M. Bergé, L. Billard, J. Borovlev, Yu. A. Cardani, L. Casali, N. Cazes, A. Celi, E. Chapellier, M. Chiesa, D. Dafinei, I. Danevich, F. A. De Jesus, M. de Marcillac, P. Dixon, T. Dumoulin, L. |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics Augier, C. Barabash, A. S. Bellini, F. Benato, G. Beretta, M. Bergé, L. Billard, J. Borovlev, Yu. A. Cardani, L. Casali, N. Cazes, A. Celi, E. Chapellier, M. Chiesa, D. Dafinei, I. Danevich, F. A. De Jesus, M. de Marcillac, P. Dixon, T. Dumoulin, L. |
| author_sort | Augier, C. |
| collection | MIT |
| description | Abstract
CUPID-Mo, located in the Laboratoire Souterrain de Modane (France), was a demonstrator for the next generation
$$0\nu \beta \beta $$
0
ν
β
β
decay experiment, CUPID. It consisted of an array of 20 enriched Li
$$_{2}$$
2
$$^{100}$$
100
MoO
$$_4$$
4
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
$$2\nu \beta \beta $$
2
ν
β
β
decay and other processes with high precision. We also measure the radio-purity of the Li
$$_{2}$$
2
$$^{100}$$
100
MoO
$$_4$$
4
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
$$^{+0.9}_{-0.8}$$
-
0.8
+
0.9
(stat)
$$^{+1.5}_{-0.7}$$
-
0.7
+
1.5
(syst)
$$\times ~10 ^{-3}$$
×
10
-
3
counts/
$$\Delta E_{\text {FWHM}}/\text {mol}_{\text {iso}}/\text {year},$$
Δ
E
FWHM
/
mol
iso
/
year
,
the lowest in a bolometric
$$0\nu \beta \beta $$
0
ν
β
β
decay experiment. |
| first_indexed | 2024-09-23T10:49:49Z |
| format | Article |
| id | mit-1721.1/152185 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T10:49:49Z |
| publishDate | 2023 |
| publisher | Springer Berlin Heidelberg |
| record_format | dspace |
| spelling | mit-1721.1/1521852024-01-31T21:15:37Z The background model of the CUPID-Mo 0νββ experiment Augier, C. Barabash, A. S. Bellini, F. Benato, G. Beretta, M. Bergé, L. Billard, J. Borovlev, Yu. A. Cardani, L. Casali, N. Cazes, A. Celi, E. Chapellier, M. Chiesa, D. Dafinei, I. Danevich, F. A. De Jesus, M. de Marcillac, P. Dixon, T. Dumoulin, L. Massachusetts Institute of Technology. Department of Physics Abstract CUPID-Mo, located in the Laboratoire Souterrain de Modane (France), was a demonstrator for the next generation $$0\nu \beta \beta $$ 0 ν β β decay experiment, CUPID. It consisted of an array of 20 enriched Li $$_{2}$$ 2 $$^{100}$$ 100 MoO $$_4$$ 4 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 $$2\nu \beta \beta $$ 2 ν β β decay and other processes with high precision. We also measure the radio-purity of the Li $$_{2}$$ 2 $$^{100}$$ 100 MoO $$_4$$ 4 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 $$^{+0.9}_{-0.8}$$ - 0.8 + 0.9 (stat) $$^{+1.5}_{-0.7}$$ - 0.7 + 1.5 (syst) $$\times ~10 ^{-3}$$ × 10 - 3 counts/ $$\Delta E_{\text {FWHM}}/\text {mol}_{\text {iso}}/\text {year},$$ Δ E FWHM / mol iso / year , the lowest in a bolometric $$0\nu \beta \beta $$ 0 ν β β decay experiment. 2023-09-20T18:55:28Z 2023-09-20T18:55:28Z 2023-07-28 2023-09-10T03:10:56Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/152185 The European Physical Journal C. 2023 Jul 28;83(7):675 PUBLISHER_CC en https://doi.org/10.1140/epjc/s10052-023-11830-2 The European Physical Journal C Creative Commons Attribution http://creativecommons.org/licenses/by/4.0/ The Author(s) application/pdf Springer Berlin Heidelberg Springer Berlin Heidelberg |
| spellingShingle | Augier, C. Barabash, A. S. Bellini, F. Benato, G. Beretta, M. Bergé, L. Billard, J. Borovlev, Yu. A. Cardani, L. Casali, N. Cazes, A. Celi, E. Chapellier, M. Chiesa, D. Dafinei, I. Danevich, F. A. De Jesus, M. de Marcillac, P. Dixon, T. Dumoulin, L. The background model of the CUPID-Mo 0νββ experiment |
| title | The background model of the CUPID-Mo 0νββ experiment |
| title_full | The background model of the CUPID-Mo 0νββ experiment |
| title_fullStr | The background model of the CUPID-Mo 0νββ experiment |
| title_full_unstemmed | The background model of the CUPID-Mo 0νββ experiment |
| title_short | The background model of the CUPID-Mo 0νββ experiment |
| title_sort | background model of the cupid mo 0νββ experiment |
| url | https://hdl.handle.net/1721.1/152185 |
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