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Connections between high-K and low-K states in the s-process nucleus Lu176

Authors :
Lister, C.J.
Lauritsen, T.
Janssens, R.V.F.
Seweryniak, D.
Chowdhury, P.
Dracoulis, G.D.
Lane, G.J.
Carpenter, M.P.
Byrne, A.P.
Kondev, F.G.
Publication Year :
2010
Publisher :
American Physical Society, 2010.

Abstract

Gamma-ray branches that connect high-K states to low-K states in the s-process nucleus Lu176 were observed, thus providing a link between the 58 Gyr, 7- ground state and the 5.3 h, 1- isomeric state. High sensitivity and unambiguous placement were achieved through the study of the decay of the 58 μs Kπ=14+ isomer using γ-γ-coincidence measurements. The large number of decay paths from the isomer provides a means of populating a broad selection of states from above, resulting, paradoxically, in higher sensitivity than in cases where low-spin input reactions are used. The out-of band decay widths important for excitation processes in stars are quantified.

Details

Language :
English
Database :
OpenAIRE
Accession number :
edsair.doi...........bf07c82aef23414bad7306a5b4812eb6
Full Text :
https://doi.org/10.17615/xsx7-ry91