No Evidence of Isomerism for the First Excited State of 93Rb

被引：2
|
作者：
Miernik, K. [1 ]
Gross, C. J. [1 ]
Grzywacz, R. [1 ,2 ]
Madurga, M. [2 ]
Mendez, A. J., II [1 ]
Rykaczewski, K. P. [1 ]
Stracener, D. W. [1 ]
Zganjar, E. F. [3 ]
机构：
[1] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37830 USA
[2] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
[3] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA
来源：
NUCLEAR DATA SHEETS | 2014年 / 120卷
关键词：
SR-93; DECAY; KR-93;
D O I：
10.1016/j.nds.2014.07.005
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The 253.3-keV excited state located in Rb-93 was studied at the Holifield Radioactive Ion Beam Facility in Oak Ridge. This state, described as isomeric in databases, was populated in the decay of Kr-93 produced by proton induced fission of U-238 and isolated using the isotope separation on-line technique. We report that the 253.3-keV level does not reveal isomerism and the upper limit of the half-life from our measurement is 4 ns. Our findings are supported by previously reported results that were not taken into account in the latest nuclear databases.
引用
收藏
页码：56 / 58
页数：3
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