Matrix element of the anomalously low-energy (3.5±0.5eV) transition in 229Th and the isomer lifetime

被引：64
|
作者：
Dykhne, AM [1 ]
Tkalya, EV
机构：
[1] Troitsk Inst Innovat & Thermonucl Studies, Troitsk, Russia
[2] Moscow MV Lomonosov State Univ, Sci Res Inst Nucl Phys, Moscow 119899, Russia
来源：
JETP LETTERS | 1998年 / 67卷 / 04期
关键词：
D O I：
10.1134/1.567659
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The matrix element of the anomalously low-energy (3.5 +/- 0.5 eV) nuclear M1 transition between the first excited state and the ground state of the Th-229 nucleus is determined with allowance for the Coriolis mixing of the rotational bands. The upper and lower limits on the lifetime of the level with respect to an isomeric transition are given. A method is proposed for measuring the half-life of the low-lying isomer Th-229m directly in a U-233 sample. (C) 1998 American Institute of Physics.
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页码：251 / 256
页数：6
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