Quark exchange and quark dynamics in diffractive electroproduction

Details Quark exchange and quark dynamics in diffractive electroproduction Quark exchange and quark dynamics in diffractive electroproduction

1998-06-21

arxiv.org/abs/nucl-th/9806065v1

Physics

Nuclear Physics

Nuclear Theory

Talk given at ``Jefferson Lab Physics & Instrumentation with 6-12 GeV Beams'' June 1998. 4 pages RevTeX, 7 figures

Scientific paper

A Dyson-Schwinger-based model of pomeron exchange is employed to calculate diffractive rho-, phi- and J/psi-meson electroproduction cross sections. It is shown that the magnitude of the current-quark mass m_f of the quark and antiquark inside the produced vector meson determines the onset of the asymptotic-q^2 power-law behavior of the cross section, and how correlated quark-exchanges are included to provide a complete picture of the diffractive electroproduction of light vector mesons applicable over all energies and photon momenta q^2.

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