Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-03-24
Nucl.Phys. B437 (1995) 83-106
Physics
High Energy Physics
High Energy Physics - Phenomenology
20 pages, JHU-TIPAC-940003, HUTP-A0/007, Latex, uses prepictex.tex, pictex.tex, and postpictex.tex (available by ftp from hep-
Scientific paper
10.1016/0550-3213(94)00497-3
We show that scattering amplitudes between initial wave packet states and certain coherent final states can be computed in a systematic weak coupling expansion about classical solutions satisfying initial value conditions. The initial value conditions are such as to make the solution of the classical field equations amenable to numerical methods. We propose a practical procedure for computing classical solutions which contribute to high energy two particle scattering amplitudes. We consider in this regard the implications of a recent numerical simulation in classical SU(2) Yang-Mills theory for multiparticle scattering in quantum gauge theories and speculate on its generalization to electroweak theory. The generalization of our results to complex trajectories allows its application to it any wave packet to coherent state transition. Finally, we discuss the relevance of these results to the issues of baryon number violation and multiparticle scattering at high energies.
Gould Thomas M.
Hsu Stephen D. H.
Poppitz Erich R.
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