Elastic electron scattering from ortho-, meta-, and paraxylenes, C8H10

被引：7

作者：

Sakaamini, A. ^{[1
,3
]}

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

Hargreaves, L. ^{[1
]}

Khakoo, M. A. ^{[1
]}

Pastega, D. F. ^{[2
]}

Bettega, M. H. F. ^{[2
]}

机构：

[1] Calif State Univ Fullerton, Phys Dept, Fullerton, CA 92831 USA

[2] Univ Fed Parana, Dept Fis, Caixa Postal 19044, BR-81531990 Curitiba, Parana, Brazil

[3] Univ Manchester, Sch Phys & Astron, Manchester M13 9PL, Lancs, England

来源：

PHYSICAL REVIEW A | 2017年 / 95卷 / 02期

基金：

美国国家科学基金会;

关键词：

CROSS-SECTIONS; MOLECULAR POLARIZABILITIES; SLOW-ELECTRONS; ORTHO-XYLENE; P-XYLENE; PSEUDOPOTENTIALS; BENZENE; SPECTRA; HYDROCARBONS; DERIVATIVES;

D O I：

10.1103/PhysRevA.95.022702

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Ab initio calculations and normalized experimental measurements of the differential, momentum transfer and integral cross sections for vibrationally elastic scattering of low-energy electrons from orthoxylene, metaxylene, and paraxylene are presented. The calculated cross sections are obtained using the Schwinger multichannel method implemented with norm-conserving pseudopotentials. The differential cross sections are measured at incident energies from 1 to 30 eV and scattering angles from 10(circle) to 130(circle). These cross sections are compared to experimental results for toluene. The comparisons illuminate the role of molecular structure in determining the integral cross sections and the angular distributions of resonantly scattered electrons.

引用

页数：8

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