Single and double diffractive dissociation and the problem of extraction of the proton–Pomeron cross-section

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Diffractive dissociation processes are analyzed in the framework of covariant reggeization. We have considered the general form of hadronic tensor and its asymptotic behavior for [Formula: see text] in the case of conserved tensor currents before reggeization. Resulting expressions for differential cross-sections of single dissociation (SD) process [Formula: see text], double dissociation (DD) [Formula: see text] and for the proton–Pomeron cross-section are given in detail, and corresponding problems of the approach are discussed.