Binding energy of the metastable He- ion

被引：53

作者：

Kristensen, P ^{[1
]}

Pedersen, UV ^{[1
]}

Petrunin, VV ^{[1
]}

Andersen, T ^{[1
]}

Chung, KT ^{[1
]}

机构：

[1] N CAROLINA STATE UNIV, DEPT PHYS, RALEIGH, NC 27695 USA

来源：

PHYSICAL REVIEW A | 1997年 / 55卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.55.978

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper presents theoretical ab initio calculations and experimental measurements of the binding energy of the metastable He(-)1s2s2p P-4 ion. The calculated 77.518+/-0.011 meV and the measured 77.516+/-0.006 meV values for the binding energy are in excellent agreement and they represent a significant improvement in the accuracy compared to previous studies. The experimental technique is based on the determination of the epsilon s-wave Wigner threshold associated with detachment to the 1s3s S-3 state of the neutral He atom. The yield of the 1s3s S-3 He level was monitored by applying resonant ionization spectroscopy.

引用

页码：978 / 983

页数：6

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