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A general program to calculate atomic continuum processes using the NIEM method

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posted on 06.12.2019, 07:20 by Ronald J.W. Henry, S.P. Rountree, Ed R. Smith
Abstract This paper describes a set of computer program packages NIEM which enable electron-atom and electron-ion collision cross sections to be calculated for a general atomic system described by LS-coupling. The calculations are based on a non-iterative integral equation method. Title of program: NIEM POTC1 Catalogue Id: AAJG_v1_0 Nature of problem This program calculates all the interaction potentials involving the bound and continuum electrons necessary to enable electron atom or electron ion scattering to be calculated for a general atomic system. The bound orbitals are specified analytically. Direct potentials, the coefficients in the asymptotic expansion of the potentials, exchange coefficients, and correlation potentials are stored on a permanent tape or disc file for use by NIEM NIES2. Versions of this program held in the CPC repository in Mendeley Data AAJG_v1_0; NIEM POTC1; 10.1016/0010-4655(81)90002-3 This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2019)

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