Photodetachment of 1s2s2p P-4 He- in the vicinity of the 1s threshold

被引：16

作者：

Kim, DS ^{[1
]}

Zhou, HL ^{[1
]}

Manson, ST ^{[1
]}

机构：

[1] GEORGIA STATE UNIV,DEPT PHYS & ASTRON,ATLANTA,GA 30303

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 1997年 / 30卷 / 01期

关键词：

D O I：

10.1088/0953-4075/30/1/001

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A study of the photodetachment of the metastable 1s2s2p P-4 state of He- using multiconfiguration Hartree-Fock (MCHF) wavefunctions for bound states and Hartree-Fock plus configuration-interaction (HF + CI) continuum wavefunctions has revealed that the cross section is dominated by three features in the vicinity of the 1s threshold: a huge 2s2p(2) (hollow ion) resonance just below threshold; a large 30 Mb peak due to 1s detachment just above threshold and 1s detachment plus excitation a little way above threshold. No experimental investigation of this phenomenology, which differs markedly from 1s photoabsorption in neutral atoms, exists.

引用

页码：L1 / L7

页数：7

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