Coherent Nuclear Diffractive Production of Minijets - Illuminating Color Transparency

L. Frankfurt , G.A. Miller (Nuclear Theory Group , Department of Physics , FM-15 Seattle , Washington) , M. Strikman (Department of Physics , Penn. State University , University Park

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classification ✦ hep-ph nucl-th

keywords nuclearcoherentdiffractiveleadingprocessescausedcolorcorrection

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The cross section for coherent nuclear processes in which an incident meson or photon dissociates diffractively into two jets of high relative transverse momentum (between about 1 and 3 GeV/c) is found to be proportional in QCD to $A^2$ in a wide kinematical region. The leading correction to this is a significant positive term $\propto A^{7/3}$ caused by nuclear multiple-scattering. We find also that shadowing of hard diffractive processes reappears as a leading twist effect in the TeV energy range.

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Coherent Nuclear Diffractive Production of Minijets - Illuminating Color Transparency

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