ISOMERISM IN TB-147

被引:24
作者
CHU, YY
FRANZ, EM
FRIEDLAN.G
机构
[1] Chemistry Department, Brookhaven National Laboratory, Upton
来源
PHYSICAL REVIEW | 1969年 / 187卷 / 04期
关键词
D O I
10.1103/PhysRev.187.1529
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The previous assignment of a 24-min activity to Tb147 was found to be in error. Two Tb147 isomers with half-lives of 1.61±0.17 h and 2.5±0.1 min were found and their γ-ray spectra determined. The 1.6-h isomer appears to be the ground state, with spin-parity 52-; the 2.5-min Tb147m is the high-spin state (112). The half-life and prominent γ rays of Gd147 were redetermined and two new γ rays associated with the decay of 4.3-min Tb149m are reported. © 1969 The American Physical Society.
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页码:1529 / &
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