Antiproton-impact ionization of Ne, Ar, Kr, Xe, and H2O

被引：13

作者：

Abdurakhmanov, I. B. ^{[1
]}

Kadyrov, A. S. ^{[1
]}

Fursa, D. V. ^{[1
]}

Avazbaev, S. K. ^{[1
]}

Bailey, J. J. ^{[1
]}

Bray, I. ^{[1
]}

机构：

[1] Curtin Univ, Dept Imaging & Appl Phys, Australian Res Council, Ctr Antimatter Matter Studies, Perth, WA 6845, Australia

来源：

PHYSICAL REVIEW A | 2015年 / 91卷 / 02期

基金：

澳大利亚研究理事会;

关键词：

ANTIHYDROGEN; SCATTERING; SINGLE; ATOMS;

D O I：

10.1103/PhysRevA.91.022712

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We calculate antiproton-impact total single ionization of Ne, Ar, Kr, Xe, and H2O using a time-dependent convergent close-coupling approach. The Ne, Ar, Kr, and Xe atom wave functions are described in a model of six p-shell electrons above a frozen Hartree-Fock core with only one-electron excitations from the outer p shell allowed. For treating the water molecule we use a neonization method recently proposed by Montanari andMiraglia [J. Phys. B: At. Mol. Opt. Phys. 47, 015201 (2014)], which describes the ten-electron water molecule as a dressed Ne-like atom in a pseudospherical potential. In the present work the target states of noble gas atoms and water are obtained using a Laguerre basis expansion. For the noble gas atoms there is reasonably good agreement with the calculated single-ionization cross sections.

引用

页数：7

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