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Title: High-Precision Cross Sections for Low-Energy Electron-Atom Collisions

Abstract

We describe a recently developed B-spline R-matrix method for electron and photon collisions with atoms and ions. Using non-orthogonal sets of orbitals to construct the target description and to represent the scattering functions, this implementation of the close-coupling approach allows us to employ highly correlated target wavefunctions with relatively small configuration expansions. Example results from recent applications of the method for accurate calculations of low-energy electron scattering from He, Zn, Ne, Ar, Xe, and Fe+ are presented.

Authors:
;  [1]
  1. Department of Physics and Astronomy, Drake University, Des Moines, Iowa 50311 (United States)
Publication Date:
OSTI Identifier:
21056919
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 901; Journal Issue: 1; Conference: ICAMDATA: 5. international conference on atomic and molecular data and their applications, Meudon (France), 15-19 Oct 2006; Other Information: DOI: 10.1063/1.2727362; (c) 2007 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; ARGON; ATOMS; COUPLING; CROSS SECTIONS; ELECTRON-ATOM COLLISIONS; ELECTRON-ION COLLISIONS; ELECTRONS; HELIUM; IRON IONS; NEON; PHOTOIONIZATION; PHOTON-ATOM COLLISIONS; PHOTON-ION COLLISIONS; R MATRIX; SCATTERING; WAVE FUNCTIONS; XENON; ZINC

Citation Formats

Bartschat, Klaus, and Zatsarinny, Oleg. High-Precision Cross Sections for Low-Energy Electron-Atom Collisions. United States: N. p., 2007. Web. doi:10.1063/1.2727362.
Bartschat, Klaus, & Zatsarinny, Oleg. High-Precision Cross Sections for Low-Energy Electron-Atom Collisions. United States. doi:10.1063/1.2727362.
Bartschat, Klaus, and Zatsarinny, Oleg. Fri . "High-Precision Cross Sections for Low-Energy Electron-Atom Collisions". United States. doi:10.1063/1.2727362.
@article{osti_21056919,
title = {High-Precision Cross Sections for Low-Energy Electron-Atom Collisions},
author = {Bartschat, Klaus and Zatsarinny, Oleg},
abstractNote = {We describe a recently developed B-spline R-matrix method for electron and photon collisions with atoms and ions. Using non-orthogonal sets of orbitals to construct the target description and to represent the scattering functions, this implementation of the close-coupling approach allows us to employ highly correlated target wavefunctions with relatively small configuration expansions. Example results from recent applications of the method for accurate calculations of low-energy electron scattering from He, Zn, Ne, Ar, Xe, and Fe+ are presented.},
doi = {10.1063/1.2727362},
journal = {AIP Conference Proceedings},
number = 1,
volume = 901,
place = {United States},
year = {Fri Apr 06 00:00:00 EDT 2007},
month = {Fri Apr 06 00:00:00 EDT 2007}
}