α-decay spectroscopy of the chain 179Tlg→175Aug→171Irg→167Rem

A.N. Andreyev, V. Liberati, S. Antalic, D. Ackermann, A. Barzakh, N. Bree, T.E. Cocolios, J. Diriken, J. Elseviers, D. Fedorov, V.N. Fedosseev, D. Fink, S. Franchoo, S. Heinz, F.P. Heßberger, S. Hofmann, M. Huyse, O. Ivanov, J. Khuyagbaatar, B. KindlerU. Köster, J.F.W. Lane, B. Lommel, R. Mann, B. Marsh, P. Molkanov, K. Nishio, R.D. Page, N. Patronis, D. Pauwels, D. Radulov, Š. Šáro, M. Seliverstov, M. Sjödin, I. Tsekhanovich, P. Van Den Bergh, P. Van Duppen, M. Venhart, M. Veselský

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Abstract

Detailed α-decay studies of 179Tlg and its daughter products 175Aug and 171Irg were carried out in two complementary experiments at the mass separator ISOLDE (CERN) and velocity filter SHIP (GSI). First unambiguous determination of the α-decay properties of 175Aug was performed as follows: Eα = 6433(4) keV, T1/2 = 207(7) ms, and α-decay branching ratio 90(7)%. First determination of the α-decay branching ratios for 179Tlg and 171Irg was also made: b α(179Tlg) = 60(2)% and bα(171Irg) = 15(2)%. The spins of the ground states in 175Au and 171Ir are established as 1/2 +.
Original languageEnglish
Article number054311
JournalPhysical Review C
Volume87
Issue number5
DOIs
Publication statusPublished - 13 May 2013

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