Hard Rescattering in QCD and High Energy Two-Body Photodisintegration of the Deuteron

Details Hard Rescattering in QCD and High Energy Two-Body Photodisintegration of the Deuteron Hard Rescattering in QCD and High Energy Two-Body Photodisintegration of the Deuteron

1999-08-18

arxiv.org/abs/hep-ph/9908392v1

Nucl.Phys. A663-664 (2000) 349-352

Physics

High Energy Physics

High Energy Physics - Phenomenology

Four pages Latex, uses espcrc1.sty. Presented at 15th International Conference on Particle and Nuclei (PANIC 99), Uppsala, Swe

Scientific paper

10.1016/S0375-9474(99)00614-4

Photon absorption by a quark in one nucleon followed by its high momentum transfer interaction with a quark in the other may produce two nucleons with high relative momentum. We sum the relevant quark rescattering diagrams, to show that the scattering amplitude depends on a convolution between the large angle $pn$ scattering amplitude, the hard photon-quark interaction vertex and the low-momentum deuteron wave function. The computed cross sections are in reasonable agreement with the data.

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