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Improved limits on beta(-) and beta(-) decays of Ca-48
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SYSNO ASEP 0185694 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Improved limits on beta(-) and beta(-) decays of Ca-48 Author(s) Bakalyarov, A. (RU)
Balysh, A. (RU)
Barabash, AS. (RU)
Beneš, P. (CZ)
Briancon, C. (FR)
Brudanin, V. B. (RU)
Čermák, P. (CZ)
Egorov, V. (RU)
Hubert, F. (FR)
Hubert, P. (FR)
Korolev, NA. (FR)
Kosjakov, VN. (FR)
Kovalík, Alojz (UJF-V) RID, ORCID, SAI
Lebedev, NA. (RU)
Novgorodov, A. F. (RU)
Rukhadze, NI. (RU)
Štekl, NI. (CZ)
Timkin, VV. (RU)
Veleshko, IE. (RU)
Vylov, T. (RU)
Umatov, VI. (RU)Source Title JETP Letters. - : MAIK Nauka - Interperiodica - ISSN 0021-3640
Roč. 76, č. 9 (2002), s. 545-547Number of pages 3 s. Language eng - English Country US - United States Keywords beta decay ; double beta decay ; Ca-48 Subject RIV BG - Nuclear, Atomic and Molecular Physics, Colliders CEZ AV0Z1048901 - UJF-V Annotation New limits on Ca-48 beta(-) and beta(-)beta(-) decays to excited states of Ti-48 have been obtained using a 400 cm(3) low-background HPGe detector and an external source of 24.558 g enriched CaF2 powder (9.822 g of Ca-48). The limits for beta(-) decay to the 6(+) ground state end excited 5(+) and 4(+) states in Sc-48 are 1.6 x 10(20) yr, 2.5 x 10(20) yr, and 1.9 x 10(20) yr at the 90% confidence level. For the beta(-)beta(-) decay to Ti-48, the limits to the firs 2(+), second 2(+), and first 0(+) excited states are 1.8 x 10(20) yr, 1.5 x 10(20) yr, and 1.5 x 10(20) yr, again at the 90% confidence level. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2003
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