First identification of excited states in Ir-169

Tarih
2007
Yazar
GREENLEES, P. T.
Eeckhaudt, S.
GRAHN, T.
Hadinia, B.
Johnson, A.
JONES, P. M.
JOSS, D. T.
Julin, R.
Juutinen, S.
Kettunen, H.
Lagergren, K.
Leino, M.
LEPPANEN, A.-P.
Nieminen, P.
PAGE, R. D.
PAKARINEN, J.
PERKOWSKI, J.
Rahkila, P.
Simpson, J.
UUSITALO, J.
Van de Vel, K.
WARNER, D. D.
WISEMAN, D. R.
Wyss, R.
Ganioglu, Ela
Sandzelius, M.
Scholey, C.
Cederwall, B.
Andgren, K.
APPELBE, D. E.
BARTON, C. J.
Back, T.
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Özet
Gamma rays populating the alpha-decaying isomeric state in Ir-169 have been observed for the first time. The experiment employed the recoil-decay tagging method using the JUROGAM gamma-ray spectrometer, the RITU gas-filled recoil separator and the GREAT spectrometer located at the RITU focal plane. The gamma-ray cascade feeding the isomeric alpha-decaying state exhibits a rotational structure consistent with a h(11/2) proton coupled to a triaxially deformed core. The experimental results are compared with predictions from total Routhian surface calculations.
Bağlantı
http://hdl.handle.net/20.500.12627/108148
https://doi.org/10.1103/physrevc.75.054321
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