Triangle Diagram with Off-Shell Coulomb T-Matrix for (In-)Elastic Atomic and Nuclear Three-Body Processes
Abstract
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.
Keywords
Cite
@article{arxiv.nucl-th/9503016,
title = {Triangle Diagram with Off-Shell Coulomb T-Matrix for (In-)Elastic Atomic and Nuclear Three-Body Processes},
author = {E. O. Alt and A. S. Kadyrov and A. M. Mukhamedzhanov and M. Rauh},
journal= {arXiv preprint arXiv:nucl-th/9503016},
year = {2016}
}
Comments
22 pages, 11 figures, figures can be obtained upon request from the Authors, revtex