Cross-sections for electron-imidogen radical (NH) collisions

被引：2
作者：
Lozano, NBH
Lee, MT [1 ]
Sobrinho, AMC
机构：
[1] Univ Fed Sao Carlos, Dept Quim, BR-13565905 Sao Carlos, SP, Brazil
[2] Univ Fed Sao Carlos, Dept Fis, BR-13565905 Sao Carlos, SP, Brazil
[3] Univ Fed Bahia, Dept Fis Estado Solido, BR-40170290 Salvador, BA, Brazil
来源：
JOURNAL OF MOLECULAR STRUCTURE-THEOCHEM | 2005年 / 719卷 / 1-3期
基金：
巴西圣保罗研究基金会;
关键词：
electron scattering; imidogen; cross-sections;
D O I：
10.1016/j.theochem.2004.11.047
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this work, we report a theoretical study on electron collisions with NH radicals in the low and intermediate energy ranges. Calculated elastic differential, integral and momentum-transfer cross-sections as well as grand-total (elastic+ inelastic) and total absorption crosssections for electron-NH collisions are reported in the (1-500)-eV range. A complex optical potential composed by static, exchange, correlation-polarization plus absorption contributions, derived from a fully molecular wave function, is used to describe the interaction dynamics. The Schwinger variational iterative method combined with the distorted-wave approximation is applied to calculate scattering amplitudes. Present calculated results are compared with the existing data for electron-NH scattering in the literature. Also, comparison made between our calculated cross-sections for elastic scattering with the theoretical and experimental results for electron-NH3 collisions has revealed remarkable similarity even at incident energies as low as 1 eV. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：57 / 62
页数：6
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