Mutual neutralization in H+-H- collisions by electron capture

被引：5

作者：

Mancev, Ivan ^{[1
]}

Milojevic, Nenad ^{[1
]}

Belkic, Dzevad ^{[2
]}

机构：

[1] Univ Nis, Fac Sci & Math, Dept Phys, Nish 18000, Serbia

[2] Karolinska Inst, S-17176 Stockholm, Sweden

来源：

EPL | 2013年 / 103卷 / 02期

关键词：

NEGATIVE-IONS; CROSS-SECTIONS; DETACHMENT; PROTONS; DYNAMICS;

D O I：

10.1209/0295-5075/103/23001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

State-selective and total cross-sections for single-electron capture from H- by H+ covering the incident energy range from 10 to 3000 keV are computed by means of the four-body boundary corrected first Born (CB1-4B) approximation. A crucial connection between the Coulomb-distorted asymptotic state in the entrance channel and the pertinent perturbation, which causes the transition in the H+ - H- collisions, is consistently used in our computations of the "prior" version of cross-sections. The obtained results from the CB1-4B method clearly outperform the earlier findings by the close-coupling methods for the same problem. Comparisons with the available measurements are carried out and excellent agreement with the CB1 method is recorded down to impact energies as low as 10 keV. Copyright (C) EPLA, 2013

引用

页数：6

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