Light-Ray Evolution Equations and Leading-Twist Parton Helicity-Dependent Nonforward Distributions
I. I. Balitsky, A. V. Radyushkin
Abstract
We discuss the calculation of the evolution kernels ΔWζ(X,Z) for the leading-twist nonforward parton distributions Gζ(X,t) sensitive to parton helicities. We present our results for the kernels governing evolution of the relevant light-ray operators and describe a simple method allowing to obtain from them the components of the nonforward kernels ΔWζ(X,Z).
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