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Title: Precise measurement of $2νββ$ decay of $$^{100}$$Mo with the CUPID-Mo detection technology

Abstract

We report the measurement of the two-neutrino double-beta ($$2\nu\beta\beta$$) decay of $$^{100}$$Mo to the ground state of $$^{100}$$Ru using lithium molybdate (\crystal) scintillating bolometers. The detectors were developed for the CUPID-Mo program and operated at the EDELWEISS-III low background facility in the Modane underground laboratory. From a total exposure of $42.235$ kg$$\times$$d, the half-life of $$^{100}$$Mo is determined to be $$T_{1/2}^{2\nu}=[7.12^{+0.18}_{-0.14}\,\mathrm{(stat.)}\pm0.10\,\mathrm{(syst.)}]\times10^{18}$$ years. This is the most accurate determination of the $$2\nu\beta\beta$$ half-life of $$^{100}$$Mo to date. We also confirm, with the statistical significance of $$>3\sigma$$, that the single-state dominance model of the $$2\nu\beta\beta$$ decay of $$^{100}$$Mo is favored over the high-state dominance model.

Authors:
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Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP)
Contributing Org.:
The CUPID-Mo collaboration
OSTI Identifier:
1597734
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
European Physical Journal. C, Particles and Fields
Additional Journal Information:
Journal Volume: 80; Journal Issue: 7; Journal ID: ISSN 1434-6044
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; double-beta decay; 100Mo; low temperature detector; low counting experiment

Citation Formats

Armengaud, E, Augier, C, Barabash, AS, Bellini, F, Benato, G, Benoît, A, Beretta, M, Bergé, L, Billard, J, Borovlev, Yu A, Bourgeois, Ch, Briere, M, Brudanin, V, Camus, P, Cardani, L, Casali, N, Cazes, A, Chapellier, M, Charlieux, F, Combarieu, M de, Dafinei, I, Danevich, FA, Jesus, M De, Dumoulin, L, Eitel, K, Elkhoury, E, Ferri, F, Fujikawa, BK, Gascon, J, Gironi, L, Giuliani, A, Grigorieva, VD, Gros, M, Guerard, E, Helis, DL, Huang, HZ, Huang, R, Johnston, J, Juillard, A, Khalife, H, Kleifges, M, Kobychev, VV, Kolomensky, Yu G, Konovalov, SI, Leder, A, Kotila, J, Loaiza, P, Ma, L, Makarov, EP, Marcillac, P de, Marini, L, Marnieros, S, Misiak, D, Navick, X-F, Nones, C, Novati, V, Olivieri, E, Ouellet, JL, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, Peng, H, Pessina, G, Pirro, S, Poda, DV, Polischuk, OG, Previtali, E, Redon, Th, Rozov, S, Rusconi, C, Sanglard, V, Schäffner, K, Schmidt, B, Shen, Y, Shlegel, VN, Siebenborn, B, Singh, V, Tomei, C, Tretyak, VI, Umatov, VI, Vagneron, L, Velázquez, M, Weber, M, Welliver, B, Winslow, L, Xue, M, Yakushev, E, and Zolotarova, AS. Precise measurement of $2νββ$ decay of $^{100}$Mo with the CUPID-Mo detection technology. United States: N. p., 2020. Web. doi:10.1140/epjc/s10052-020-8203-4.
Armengaud, E, Augier, C, Barabash, AS, Bellini, F, Benato, G, Benoît, A, Beretta, M, Bergé, L, Billard, J, Borovlev, Yu A, Bourgeois, Ch, Briere, M, Brudanin, V, Camus, P, Cardani, L, Casali, N, Cazes, A, Chapellier, M, Charlieux, F, Combarieu, M de, Dafinei, I, Danevich, FA, Jesus, M De, Dumoulin, L, Eitel, K, Elkhoury, E, Ferri, F, Fujikawa, BK, Gascon, J, Gironi, L, Giuliani, A, Grigorieva, VD, Gros, M, Guerard, E, Helis, DL, Huang, HZ, Huang, R, Johnston, J, Juillard, A, Khalife, H, Kleifges, M, Kobychev, VV, Kolomensky, Yu G, Konovalov, SI, Leder, A, Kotila, J, Loaiza, P, Ma, L, Makarov, EP, Marcillac, P de, Marini, L, Marnieros, S, Misiak, D, Navick, X-F, Nones, C, Novati, V, Olivieri, E, Ouellet, JL, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, Peng, H, Pessina, G, Pirro, S, Poda, DV, Polischuk, OG, Previtali, E, Redon, Th, Rozov, S, Rusconi, C, Sanglard, V, Schäffner, K, Schmidt, B, Shen, Y, Shlegel, VN, Siebenborn, B, Singh, V, Tomei, C, Tretyak, VI, Umatov, VI, Vagneron, L, Velázquez, M, Weber, M, Welliver, B, Winslow, L, Xue, M, Yakushev, E, & Zolotarova, AS. Precise measurement of $2νββ$ decay of $^{100}$Mo with the CUPID-Mo detection technology. United States. https://doi.org/10.1140/epjc/s10052-020-8203-4
Armengaud, E, Augier, C, Barabash, AS, Bellini, F, Benato, G, Benoît, A, Beretta, M, Bergé, L, Billard, J, Borovlev, Yu A, Bourgeois, Ch, Briere, M, Brudanin, V, Camus, P, Cardani, L, Casali, N, Cazes, A, Chapellier, M, Charlieux, F, Combarieu, M de, Dafinei, I, Danevich, FA, Jesus, M De, Dumoulin, L, Eitel, K, Elkhoury, E, Ferri, F, Fujikawa, BK, Gascon, J, Gironi, L, Giuliani, A, Grigorieva, VD, Gros, M, Guerard, E, Helis, DL, Huang, HZ, Huang, R, Johnston, J, Juillard, A, Khalife, H, Kleifges, M, Kobychev, VV, Kolomensky, Yu G, Konovalov, SI, Leder, A, Kotila, J, Loaiza, P, Ma, L, Makarov, EP, Marcillac, P de, Marini, L, Marnieros, S, Misiak, D, Navick, X-F, Nones, C, Novati, V, Olivieri, E, Ouellet, JL, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, Peng, H, Pessina, G, Pirro, S, Poda, DV, Polischuk, OG, Previtali, E, Redon, Th, Rozov, S, Rusconi, C, Sanglard, V, Schäffner, K, Schmidt, B, Shen, Y, Shlegel, VN, Siebenborn, B, Singh, V, Tomei, C, Tretyak, VI, Umatov, VI, Vagneron, L, Velázquez, M, Weber, M, Welliver, B, Winslow, L, Xue, M, Yakushev, E, and Zolotarova, AS. Sat . "Precise measurement of $2νββ$ decay of $^{100}$Mo with the CUPID-Mo detection technology". United States. https://doi.org/10.1140/epjc/s10052-020-8203-4. https://www.osti.gov/servlets/purl/1597734.
@article{osti_1597734,
title = {Precise measurement of $2νββ$ decay of $^{100}$Mo with the CUPID-Mo detection technology},
author = {Armengaud, E and Augier, C and Barabash, AS and Bellini, F and Benato, G and Benoît, A and Beretta, M and Bergé, L and Billard, J and Borovlev, Yu A and Bourgeois, Ch and Briere, M and Brudanin, V and Camus, P and Cardani, L and Casali, N and Cazes, A and Chapellier, M and Charlieux, F and Combarieu, M de and Dafinei, I and Danevich, FA and Jesus, M De and Dumoulin, L and Eitel, K and Elkhoury, E and Ferri, F and Fujikawa, BK and Gascon, J and Gironi, L and Giuliani, A and Grigorieva, VD and Gros, M and Guerard, E and Helis, DL and Huang, HZ and Huang, R and Johnston, J and Juillard, A and Khalife, H and Kleifges, M and Kobychev, VV and Kolomensky, Yu G and Konovalov, SI and Leder, A and Kotila, J and Loaiza, P and Ma, L and Makarov, EP and Marcillac, P de and Marini, L and Marnieros, S and Misiak, D and Navick, X-F and Nones, C and Novati, V and Olivieri, E and Ouellet, JL and Pagnanini, L and Pari, P and Pattavina, L and Paul, B and Pavan, M and Peng, H and Pessina, G and Pirro, S and Poda, DV and Polischuk, OG and Previtali, E and Redon, Th and Rozov, S and Rusconi, C and Sanglard, V and Schäffner, K and Schmidt, B and Shen, Y and Shlegel, VN and Siebenborn, B and Singh, V and Tomei, C and Tretyak, VI and Umatov, VI and Vagneron, L and Velázquez, M and Weber, M and Welliver, B and Winslow, L and Xue, M and Yakushev, E and Zolotarova, AS},
abstractNote = {We report the measurement of the two-neutrino double-beta ($2\nu\beta\beta$) decay of $^{100}$Mo to the ground state of $^{100}$Ru using lithium molybdate (\crystal) scintillating bolometers. The detectors were developed for the CUPID-Mo program and operated at the EDELWEISS-III low background facility in the Modane underground laboratory. From a total exposure of $42.235$ kg$\times$d, the half-life of $^{100}$Mo is determined to be $T_{1/2}^{2\nu}=[7.12^{+0.18}_{-0.14}\,\mathrm{(stat.)}\pm0.10\,\mathrm{(syst.)}]\times10^{18}$ years. This is the most accurate determination of the $2\nu\beta\beta$ half-life of $^{100}$Mo to date. We also confirm, with the statistical significance of $>3\sigma$, that the single-state dominance model of the $2\nu\beta\beta$ decay of $^{100}$Mo is favored over the high-state dominance model.},
doi = {10.1140/epjc/s10052-020-8203-4},
url = {https://www.osti.gov/biblio/1597734}, journal = {European Physical Journal. C, Particles and Fields},
issn = {1434-6044},
number = 7,
volume = 80,
place = {United States},
year = {2020},
month = {7}
}

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