Nonradiative charge transfer in collisions of protons with rubidium atoms

The nonradiative charge-transfer cross sections for protons colliding with Rb（5s） atoms are calculated by using the quantum-mechanical molecularorbital close-coupling method in an energy range of 10-a keV-10 keV. The total and state-selective charge-transfer cross sections are in good agreement with...

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Bibliographic Details
Published in:Chinese physics B 2012-06, Vol.21 (6), p.159-166, Article 063401
Main Author: 闫玲玲 屈一至 刘春华 张宇 王建国 Buenker Robert J
Format: Article
Language:English
Subjects:
Channels
Charge transfer
Collisions
Cross sections
Cross sections (physics)
Energy use
Mathematical analysis
Rotational
Rubidium
电荷转移截面
碰撞
耦合方法
能量范围
质子
辐射
量子力学
铷原子
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Summary:The nonradiative charge-transfer cross sections for protons colliding with Rb（5s） atoms are calculated by using the quantum-mechanical molecularorbital close-coupling method in an energy range of 10-a keV-10 keV. The total and state-selective charge-transfer cross sections are in good agreement with the experimental data in the relatively low energy region. The importance of rotational coupling for chargetransfer process is stressed. Compared with the radiative charge-transfer process, nonradiative charge transfer is a dominant mechanism at energies above 15 eV. The resonance structures of state-selective charge-transfer cross sections arising from the competition among channels are analysed in detail. The radiative and nonradiative1 charge-transfer rate coefficients from low to high temperature are presented.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/21/6/063401