Quark exchange and quark dynamics in diffractive electroproduction

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

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Nuclear Theory, High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/82940

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/9806065
 http://arxiv.org/abs/nucl-th/9806065

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arXiv