Photon-Reggeon Interaction Vertices in the Nla
V. S. Fadin, D. Yu. Ivanov, M. I. Kotsky
Abstract
We calculate the effective vertices for the quark-antiquark and the quark-antiquark-gluon production in the virtual photon - Reggeized gluon interaction. The last vertex is considered at the Born level; for the first one the one-loop corrections are obtained. These vertices have a number of applications; in particular, they are necessary for calculation of the virtual photon impact factor in the next-to-leading logarithmic approximation.
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