New search for double electron capture in 106Cd decay with the TGV-2 spectrometer

Briançon, C.-H.; Brudanin, V. B.; Egorov, V. G.; Jose, J. M.; Klimenko, A. A.; Kovalik, A.; Rosov, S. V.; Rukhadze, E. N.; Rukhadze, N. I.; Salamatin, A. V.; Timkin, V. V.; Fajt, L.; Hodak, R.; Šimkovic, F.; Shitov, Y.-U. A.; Špavorova, M.; Štekl, I.; Yakushev, E. A.

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MAIK Nauka/Interperiodica, Physics of Atomic Nuclei, 6(78), p. 740-745

DOI: 10.1134/s1063778815060058

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New search for double electron capture in 106Cd decay with the TGV-2 spectrometer

Journal article published in 2015 by C.-H. Briançon, V. B. Brudanin, V. G. Egorov, J. M. Jose, A. A. Klimenko, A. Kovalik, S. V. Rosov, E. N. Rukhadze, N. I. Rukhadze, A. V. Salamatin, V. V. Timkin, L. Fajt, R. Hodak

, F. Šimkovic, Y.-U. A. Shitov and other authors.

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Abstract

A new experiment devoted to searches for double electron capture in Cd-106 decay is being performed at the Modane underground laboratory (4800 mwe) with the 32-detector TGV-2 spectrometer. The limit T (1/2)(2 nu EC/EC) > 2.0x10(20) yr at a 90%confidence level (C.L.) was obtained from a preliminary analysis of data obtained over 2250 h of measurements with about 23.2 g sample enriched in the isotope Cd-106 to 99.57%. The limits T (1/2)(KL, 2741 keV) > 0.9 x 10(20) yr and T (1/2)(KK, 2718 keV) a parts per thousand

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New search for double electron capture in 106Cd decay with the TGV-2 spectrometer

Abstract