Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-05-07
Phys.Lett. B309 (1993) 179-186
Physics
High Energy Physics
High Energy Physics - Phenomenology
TRI-PP-93-5, LaTeX file, 11 pages + 3 figures (not included, available by fax)
Scientific paper
10.1016/0370-2693(93)91523-P
We demonstrate how the virtual photoproduction of vector mesons on nuclei scans the wave function of vector mesons from the large non-perturbative transverse size $\rho \sim R_{V}$ down to the small perturbative size $\rho \sim 1/\sqrt{Q^{2}}$. Thee mechanism of scanning is based on color transparency and QCD predicted spatial wave function of quark-antiquark fluctuations of virtual photons. A rich, energy- and $Q^{2}$-dependent, pattern of the nuclear shadowing and antishadowing is predicted, which can be tested at the European Electron Facility and SLAC.
Kopeliovich Boris Z.
Nemchick J.
Nikolaev Nikolai N.
Zakharov Bronislav G.
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