中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
A ionization theory based on united and separated atom model

文献类型:期刊论文

作者Li Ming-Sheng; Cai Xiao-Hong
刊名ACTA PHYSICA SINICA
出版日期2007-08-01
卷号56期号:8页码:4448-4453
关键词X-ray production cross sections ion-atom collision electron capture
ISSN号1000-3290
英文摘要The direct Coulomb ionization process can be generally well described by the ECPSSR theory, which bases on the perturbed-stationary- state(PSS) and accounts for the energy-loss, Coulomb-deflection, and relativistic effects. But the ECPSSR calculation has significant deviations for heavy projectile at low impinging energies. In this paper we propose a new modified ECPSSR theory, i.e. MECUSAR, in which PSS is replaced by an united and separated atom model, and molecule-orbit effect is considered. The MECUSAR calculations give better agreement with the experimental data at lower impinging energies, and agree with the ECPSSR calculations at high energies. By using OBKN (Oppenheimer-Brinkman-Kramers formulas of Nikolaev) theory to describe the contribution of the electron capture, we further modified the proposed MECUSAR theory, and calculated the target ionization cross sections for different charge states of the projectile.
WOS关键词X-RAY-PRODUCTION ; PRODUCTION CROSS-SECTIONS ; CHARGE-STATE DEPENDENCE ; L-SUBSHELL IONIZATION ; 2-12-MEV CARBON-IONS ; ENERGY-LOSS ; K-SHELLS ; PARTICLES ; PROTONS ; HEAVY
WOS研究方向Physics
语种英语
WOS记录号WOS:000248684800022
出版者CHINESE PHYSICAL SOC
公开日期2010-10-29
源URL[http://ir.imp.cas.cn/handle/113462/5917]  
专题近代物理研究所_近代物理研究所知识存储(2010之前)
通讯作者Cai Xiao-Hong
作者单位1.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714
Li Ming-Sheng,Cai Xiao-Hong. A ionization theory based on united and separated atom model[J]. ACTA PHYSICA SINICA,2007,56(8):4448-4453.
APA Li Ming-Sheng,&Cai Xiao-Hong.(2007).A ionization theory based on united and separated atom model.ACTA PHYSICA SINICA,56(8),4448-4453.
MLA Li Ming-Sheng,et al."A ionization theory based on united and separated atom model".ACTA PHYSICA SINICA 56.8(2007):4448-4453.

入库方式: OAI收割

来源:近代物理研究所

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