Doubly differential cross sections for the proton-impact double ionization of helium

被引：16

作者：

Foster, M. ^{[1
]}

Colgan, J. ^{[1
]}

Pindzola, M. S. ^{[2
]}

机构：

[1] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

[2] Auburn Univ, Dept Phys, Auburn, AL 36849 USA

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2008年 / 41卷 / 11期

关键词：

D O I：

10.1088/0953-4075/41/11/111002

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A time-dependent close-coupling approach is used to investigate 6 MeV proton-impact double ionization of helium. We extract doubly differential (in the emission angles of both outgoing electrons) cross sections for comparison with recent experimental measurements. Good qualitative agreement is found between our calculations and the measurements. We also present differential cross sections for cases where the energy available to the outgoing electrons is unrestricted, which allows further information about the double escape process to be inferred.

引用

页数：6

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