Radiative Corrections to QCD Amplitudes in Quasi-Multi-Regge Kinematics

Details Radiative Corrections to QCD Amplitudes in Quasi-Multi-Regge Kinematics Radiative Corrections to QCD Amplitudes in Quasi-Multi-Regge Kinematics

2003-02-25

arxiv.org/abs/hep-ph/0302224v6

Phys.Atom.Nucl. 67 (2004) 359-375; Yad.Fiz. 67 (2004) 377-393

Physics

High Energy Physics

High Energy Physics - Phenomenology

28 pages,3 figures

Scientific paper

10.1134/1.1648926

Radiative corrections to QCD amplitudes in the quasi-multi-Regge kinematics are interesting in particular since the Reggeized form of these amplitudes is used in the derivation of the NLO BFKL. This form is a hypothesis which must be at least carefully checked, if not proved. We calculate the radiative corrections in the one-loop approximation using the s-channel unitarity. Compatibility of the Reggeized form of the amplitudes with the s-channel unitarity requires fulfillment of the set of nonlinear equations for the Reggeon vertices. We show that these equations are satisfied.

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