Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1995-03-16
J.Phys. B28 (1995) 5137-5150
Physics
Nuclear Physics
Nuclear Theory
22 pages, 11 figures, figures can be obtained upon request from the Authors, revtex
Scientific paper
10.1088/0953-4075/28/23/019
The driving terms in three-body theories of elastic and inelastic scattering of a charged particle off a bound state of two other charged particles contain the fully off-shell two-body Coulomb T-matrix describing the intermediate-state Coulomb scattering of the projectile with each of the charged target particles. Up to now the latter is usually replaced by the Coulomb potential, either when using the multiple-scattering approach or when solving three-body integral equations. General properties of the exact and the approximate on-shell driving terms are discussed, and the accuracy of this approximation is investigated numerically, both for atomic and nuclear processes including bound-state excitation, for energies below and above the corresponding three-body dissociation threshold, over the whole range of scattering angles.
Alt Erwin O.
Kadyrov Alisher S.
Mukhamedzhanov M.-A. A.
Rauh M.
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