ISOTOPE SHIFT IN THE ELECTRON-AFFINITY OF CHLORINE

被引：169
|
作者：
BERZINSH, U
GUSTAFSSON, M
HANSTORP, D
KLINKMULLER, A
LJUNGBLAD, U
MARTENSSONPENDRILL, AM
机构：
[1] GOTHENBURG UNIV, S-41296 GOTHENBURG, SWEDEN
[2] UNIV LATVIA, DEPT SPECT, RIGA 1586, LATVIA
来源：
PHYSICAL REVIEW A | 1995年 / 51卷 / 01期
关键词：
D O I：
10.1103/PhysRevA.51.231
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The specific mass shift in the electron affinity between Cl35 and Cl37 has been determined by tunable-laser photodetachment spectroscopy to be -0.51(14) GHz. The isotope shift was observed as a difference in the onset of the photodetachment process for the two isotopes. In addition, the electron affinity of Cl was found to be 29 138.59(22) cm-1, giving a factor of 2 improvement in the accuracy over earlier measurements. Many-body calculations including lowest-order correlation effects demonstrate the sensitivity of the specific mass shift and show that the inclusion of higher-order correlation effects would be necessary for a quantitative description. © 1995 The American Physical Society.
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页码：231 / 238
页数：8
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