Electron-impact ionization of the N atom

被引：6

作者：

Abdel-Naby, S. A. ^{[1
]}

Pindzola, M. S. ^{[1
]}

Pearce, A. J. ^{[1
]}

Ballance, C. P. ^{[1
]}

Loch, S. D. ^{[1
]}

机构：

[1] Auburn Univ, Dept Phys, Auburn, AL 36849 USA

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2015年 / 48卷 / 02期

基金：

美国国家科学基金会;

关键词：

ionization; R-matrix; close-coupling; CLOSE-COUPLING METHOD; R-MATRIX; CROSS-SECTIONS; PROTON IMPACT; IONS; EXCITATION; SCATTERING; HE;

D O I：

10.1088/0953-4075/48/2/025203

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Electron-impact ionization cross sections for the ground and excited states of the N atom are calculated using the non-perturbative R-matrix with pseudo-states and time-dependent close-coupling (TDCC) methods, as well as the perturbative distorted-wave method. The TDCC and distorted-wave results for the 1s(2)2s(2)2p(2)3l (l = 0-2) excited configurations are much larger than for the ground configuration. In all cases the TDCC results are substantially lower than the distorted-wave results. The ionization cross section results will lead to a better understanding of moderately dense astrophysical and laboratory plasmas containing nitrogen.

引用

页数：7

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