Single- and double-ionization processes of antiproton-helium and antiproton-molecular hydrogen collisions in the keV energy range

被引：3

作者：

Jia, C. C. ^{[1
,2
]}

Kirchner, T. ^{[3
]}

Gao, J. W. ^{[4
]}

Wu, Y. ^{[1
]}

Wang, J. G. ^{[1
]}

Sisourat, N. ^{[2
]}

机构：

[1] Inst Appl Phys & Comp Math, Key Lab Comp Phys, Beijing 100088, Peoples R China

[2] Sorbonne Univ, Lab Chim Phys Matiere & Rayonnement, CNRS, F-75005 Paris, France

[3] York Univ, Dept Phys & Astron, Toronto, ON M3J 1P3, Canada

[4] Hangzhou Normal Univ, Sch Phys, Hangzhou 311121, Peoples R China

来源：

PHYSICAL REVIEW A | 2023年 / 107卷 / 01期

基金：

加拿大自然科学与工程研究理事会; 中国国家自然科学基金;

关键词：

ELECTRON CAPTURE; SLOW COLLISIONS; APPROXIMATION; IONS;

D O I：

10.1103/PhysRevA.107.012808

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on an ab initio model to describe single-and double-ionization processes in antiproton collisions with atoms and molecules. Our model is based on a fully correlated close-coupling approach and a Dyson orbital analysis. Furthermore, we employ the concept of a correlation integral in order to quantify and gain insights into the effects of electronic correlation on the ionization processes. Our model is applied to the prototype antiproton-helium and antiproton-molecular hydrogen collision systems in the keV energy range.

引用

页数：6

共 25 条

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Gao, J. W.
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Dubois, A.
Sisourat, N.
PHYSICAL REVIEW A, 2021, 103 (03)
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ATOMS, 2023, 11 (04)
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Sakimoto, Kazuhiro
PHYSICAL REVIEW A, 2006, 74 (04):
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ANDERSEN, LH
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[7] Target Structure-Induced Suppression of the Ionization Cross Section for Low-Energy Antiproton-Molecular Hydrogen Collisions: Theoretical Confirmation
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PHYSICAL REVIEW LETTERS, 2013, 111 (17)
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PHYSICAL REVIEW A, 2024, 110 (01)
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NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1994, 87 (1-4): : 167 - 172
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PHYSICAL REVIEW A, 2001, 64 (04): : 4

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