Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-05-10
Phys.Lett.B312:299-304,1993
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pgs. (LaTeX), JHU-TIPAC-930013
Scientific paper
10.1016/0370-2693(93)91084-Z
A classical solution to the Yang-Mills theory is given a new semiclassical interpretation in terms of particle scattering. It solves the complex time boundary value problem, which arises in the semiclassical approximation to a multi particle transition probability in the one-instanton sector at fixed energy. The imaginary part of the action of the solution on the complex time contour and its topological charge obey the same relation as the self-dual Euclidean configurations. Hence the solution is relevant for the problem of tunneling with fermion number violation in the electroweak theory. It describes transitions from an initial state with a smaller number of particles to a final state with a larger number of particles. The implications of these results for multi particle production in the electroweak theory are also discussed.
Gould Thomas M.
Poppitz Erich R.
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