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Manuscript Title: Multistate molecular treatment of atomic collisions in the impact parameter approximation IV.
Authors: A. Salin
Program title: SUPERPAMPA
Catalogue identifier: ACWJ_v2_0
Distribution format: gz
Journal reference: Comput. Phys. Commun. 62(1991)58
Programming language: Fortran.
Computer: IBM 3090.
Operating system: MVS.
Keywords: Molecular physics, Scattering, Charge transfer, Impact-parameter method, Eikonal, Semi-classical, Coupled equations, Elastic.
Classification: 16.7, 16.8.

Nature of problem:
Multistate molecular treatment of atomic collisions in the impact parameter approximation. Calculation of the transition amplitudes for the straight line case.

Solution method:
Molecular parameters are represented by third order spline functions. The coupled first-order differential equations are integrated by the method of Bulirsch and Stoer.

Running time:
The test run takes 5.89 s on the IBM 3090.