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Wave Functions, Evolution Equations and Evolution Kernels from Light-Ray Operators of QCD
D. Müller, D. Robaschik, B. Geyer +2
The widely used nonperturbative wave functions and distribution functions of QCD are determined as matrix elements of light-ray operators. These operators appear as large momentum…
Implications of N=1 supersymmetry for QCD conformal operators
A. V. Belitsky, D. Muller, A. Schafer
We prove a set of identities for the anomalous dimensions of the quark and gluon conformal operators in the flavour singlet channel in QCD. These relations arise from the graded co…
Evolution of non-forward parton distributions in next-to-leading order: singlet sector
A. V. Belitsky, D. Müller, L. Niedermeier +1
We present a general method for the solution of the renormalization group equations for the non-forward parton distributions on the two-loop level in the flavour singlet channel ba…
Two-loop effects in the evolution of non-forward distributions
A. V. Belitsky, D. Mueller, L. Niedermeier +1
We study the effects of next-to-leading order corrections on the evolution of the twist-two non-forward parton distribution functions in the flavour non-singlet sector. It is found…
Broken conformal invariance and spectrum of anomalous dimensions in QCD
A. V. Belitsky, D. Mueller
Employing the operator algebra of the conformal group and the conformal Ward identities, we derive the constraints for the anomalies of dilatation and special conformal transformat…
Next-to-leading order evolution of twist-two conformal operators: The abelian case
A. V. Belitsky, D. Mueller
We present the method, based on the use of the broken conformal Ward identities, for the calculation of the anomalous dimensions of conformal operators beyond the leading order of…