Scaling for state-selective charge exchange due to collisions of multicharged ions with hydrogen

被引：3
|
作者：
Jorge, A. [1 ]
Illescas, Clara [1 ]
Miraglia, J. E. [2 ]
Gravielle, M. S. [2 ]
机构：
[1] Univ Autonoma Madrid, Dept Quim, Lab Asociado CIEMAT Fis Atom & Mol Plasmas Fus, E-28049 Madrid, Spain
[2] UBA, CONICET, IAFE, Buenos Aires, DF, Argentina
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2015年 / 48卷 / 23期
关键词：
electron capture; scaling; multicharged ions; hydrogen; partial charge-exchange cross sections; SINGLE-ELECTRON-CAPTURE; TRANSFER CROSS-SECTIONS; ATOMIC-HYDROGEN; CARBON-IONS; IONIZATION; EMISSION; VELOCITY; BORON;
D O I：
10.1088/0953-4075/48/23/235201
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this article we evaluate state-resolved charge exchange cross sections for Be4+, B5+, C6+, N7+, and O8+ projectiles colliding with atomic hydrogen employing two different methods: the classical trajectory Monte Carlo and the eikonal impulse approximations. These cross sections are used to extend previously derived scaling laws for n-, nl-, and nlm-distributions to highly excited final levels with 4 <= n <= 9, covering energies in the range 50 - 2000 keV / amu. Present total and partial capture cross sections are in agreement with available experimental and theoretical data for these collision systems. Besides, the proposed scaling rules are also verified by other theories, becoming a useful instrument for plasma research.
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页数：10
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