Multiphoton Production at High Energies in the Standard Model I

Details Multiphoton Production at High Energies in the Standard Model I Multiphoton Production at High Energies in the Standard Model I

1992-10-05

arxiv.org/abs/hep-ph/9210213v1

Phys.Rev. D47 (1993) 1776-1811

Physics

High Energy Physics

High Energy Physics - Phenomenology

75 pages, CLNS 91/1119

Scientific paper

10.1103/PhysRevD.47.1776

We examine multiphoton production in the electroweak sector of the Standard Model in the high energy limit using the equivalence theorem in combination with spinor helicity techniques. We obtain recursion relations for currents consisting of a charged scalar, spinor, or vector line that radiates $n$ photons. Closed form solutions to these recursion relations for arbitrary $n$ are presented for the cases of like-helicity and one unlike-helicity photon production. We apply the currents singly and in pairs to obtain amplitudes for processes involving the production of $n$ photons with up to two unlike helicities from a pair of charged particles. The replacement of one or more photons by transversely polarized $$Z$-bosons is also discussed.

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