The Photon Wave Function in Non-forward Diffractive Scattering with Non-vanishing Quark Masses
arXiv:hep-ph/9910531 · doi:10.1103/PhysRevD.61.074028
Abstract
The light-cone Photon wave function in explicit helicity states, valid for massive quarks and in both momentum and configuration space, is presented by considering the leading order photon-proton hard scattering, i.e., the splitting quark pair scatters with the proton in the Regge limit. Further we apply it to the diffractive scattering at nonzero momentum transfer and reach a similar factorization as in the case of zero momentum transfer.
11 pages LaTeX, 2 figures, version to appear in Phys. Rev. D
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