Precise measurement of 2ν2β decay of 100Mo with Li2MoO4 low temperature detectors: Preliminary results

WORKSHOP ON CALCULATION OF DOUBLE-BETA-DECAY MATRIX ELEMENTS (MEDEX’19) Pub Date : 2019-10-25 DOI:10.1063/1.5130966

E. Armengaud, C. Augier, A. Barabash, F. Bellini, A. Benő, M. Beretta, L. Bergé, N. Besson, J. Billard, Yu. A. Borovlev, C. Bourgeois, V. Brudanin, P. Camus, L. Cardani, N. Casali, A. Cazes, M. Chapellier, F. Charlieux, M. D. Combarieu, F. Danevich, I. Dafinei, M. Jésus, L. Dumoulin, K. Eitel, F. Ferri, B. Fujikawa, J. Gascon, L. Gironi, A. Giuliani, V. Grigorieva, M. Gros, E. Guerard, H. Huang, R.Huang Lbnl, J. Johnston, A. Juillard, H. Khalife, M. Kleifges, V. Kobychev, Y. Kolomensky, S. Konovalov, A. Leder, J. Kotila, P. Loaiza, R. Maisonobe, E. Makarov, P. Marcillac, S. Marnieros, X. Navick, C. Nones, V. Novati, E. Olivieri, L. Pagnanini, P. Pari, L. Pattavina, M. Pavan, B. Paul, H. Peng, G. Pessina, S. Pirrò, D. Poda, O. Polischuk, E. Previtali, E. Queguiner, T. Redon, S. Rozov, C. Rusconi, V. Sanglard, K. Schäffner, Y. Shen, B. Schmidt, V. Shlegel, B. Siebenborn, S. Sorbino, C. Tomei, V. Tretyak, V. Umatov, L. Vagneron, M. Velázquez, M. Vignati, M. Weber, L. Winslow, M. Xue, E. Yakushev, A. Zolotaro

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Abstract

The half-life of 100Mo relatively to the 2ν2β decay to the ground state of 100Ru was measured as T1/2 = (6.99±0.15) × 1018 yr with the help of enriched in 100Mo lithium molybdate scintillating bolometers in the EDELWEISS-III low background set-up at the Modane underground laboratory. This is the most accurate value of the 2ν2β half-life of 100Mo.

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用Li2MoO4低温探测器精确测量100Mo的2ν2β衰变:初步结果

在Modane地下实验室的EDELWEISS-III低背景装置中，利用富集的100Mo钼酸锂闪烁辐射热计测量了100Mo相对于2ν2β衰变到100Ru基态的半衰期为T1/2 =(6.99±0.15)× 1018 yr。这是100Mo的2ν2β半衰期最准确的值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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