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

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

1999-04-03

arxiv.org/abs/hep-ph/9904222v2

Phys.Rev.Lett. 84 (2000) 3045-3048

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, revised version to be published in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.84.3045

Photon absorption by a quark in one nucleon followed by its high momentum transfer interaction with a quark in the other may produce two final-state 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 absolute values of the cross section are in reasonable agreement with the data.

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