Elastic, charge transfer, and related transport cross sections for proton impact of atomic hydrogen for astrophysical and laboratory plasma modeling

被引:15
作者
Schultz, D. R. [1 ]
Ovchinnikov, S. Yu [1 ,2 ,3 ]
Stancil, P. C. [4 ]
Zaman, T. [1 ]
机构
[1] Univ N Texas, Dept Phys, Denton, TX 76203 USA
[2] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37496 USA
[3] AF Ioffe Phys Tech Inst, Politekhnicheskaya 26, St Petersburg 194021, Russia
[4] Univ Georgia, Dept Phys & Astron, Athens, GA 30602 USA
关键词
elastic scattering; transport cross sections; solar wind protons; MOMENTUM-TRANSFER; COLLISIONS; EXCHANGE; RECOMBINATION; DEPENDENCE; SCATTERING; RESONANCE; UNIVERSE; H+;
D O I
10.1088/0953-4075/49/8/084004
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Updating and extending previous work (Krstic and Schultz 1999 J. Phys. B: At. Mol. Opt. Phys. 32 3458 and other references) comprehensive calculations were performed for elastic scattering and charge transfer in proton-atomic hydrogen collisions. The results, obtained for 1301 collision energies in the center-of-mass energy range of 10(-4)-10(4) eV, are provided for integral and differential cross sections relevant to transport modeling in astrophysical and other plasma environments, and are made available through a website. Use of the data is demonstrated through a Monte Carlo transport simulation of solar wind proton propagation through atomic hydrogen gas representing a simple model of the solar wind interaction with heliospheric neutrals.
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页数:11
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