Diffractive etac photo-and electroproduction with the perturbative QCD Odderon

Abstract

Using a set of new odderon states, we calculate their contribution to the diffractive etac photo- and electroproduction process. Compared to previous simple 3-gluon exchange calculations we find an enhancement of about one order of magnitude in the cross section. The t-dependence of the cross section exhibits a dip structure in the small t region.

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