Methods for the nonperturbative approximation of form factors and scattering amplitudes

Details Methods for the nonperturbative approximation of form factors and scattering amplitudes Methods for the nonperturbative approximation of form factors and scattering amplitudes

2000-07-26

arxiv.org/abs/hep-ph/0007308v1

AIP Conf.Proc. 549 (2002) 399-402

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 1 figure; LaTeX, aipproc.sty, epsf.sty; to appear in the proceedings of the 7th Conference on the Intersections of Pa

Scientific paper

10.1063/1.1345282

Methods are described for the nonperturbative calculation of wave functions and scattering amplitudes in light-cone quantization. Form factors are computed from the boost-invariant wave functions, which appear as coefficients in a Fock-state expansion of the field-theoretic eigenstate. A technique is proposed for calculating scattering amplitudes from matrix elements of a T operator between such composite-particle eigenstates.

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