Cross section calculations of photoabsorption and Compton scattering contributions to He single and double ionization via recoil momentum observable

被引：0

作者：

Kaliman, Zoran ^{[1
]}

Zauhar, Gordana ^{[2
]}

Jurkovic, Slaven ^{[3
]}

机构：

[1] Univ Rijeka, Dept Phys, Rijeka, Croatia

[2] Univ Rijeka, Fac Med, Dept Phys, Rijeka, Croatia

[3] Univ Hosp Rijeka, Dept Radiotherapy, Div Phys, Rijeka, Croatia

来源：

RADIATION PHYSICS AND CHEMISTRY | 2014年 / 95卷

关键词：

Compton scattering; Photoabsorption; Photoionization; Recoil momentum; HELIUM;

D O I：

10.1016/j.radphyschem.2013.01.013

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This paper presents a theoretical framework for the calculations of Compton scattering and photoabsorption on bound electrons for single and double ionization, based on recoil-ion observable. For the photoionization of helium (single or double) our calculations of cross sections for photon energy of 7 key show that the recoil ions from photoabsorption are mainly distributed on a sphere in momentum space of 22 a.u. radius, while recoil ions from Compton scattering show a dominant contribution close to zero radius (less than or similar to 3 a.u.). Our calculated cross sections are in agreement with the published experimental values. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：34 / 37

页数：4