Methods for the nonperturbative approximation of form factors and scattering amplitudes

doi:10.1063/1.1345282

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Methods for the nonperturbative approximation of form factors and scattering amplitudes

J. Hiller

Jul 26, 2000

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Key Takeaway

Key Takeaway: Nonperturbative methods for calculating wave functions and scattering amplitudes in light-cone quantization can accurately predict form factors and scattering amplitudes in light-cone quantization.

Abstract

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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