Reconstruction of non-forward evolution kernels

Details Reconstruction of non-forward evolution kernels Reconstruction of non-forward evolution kernels

1999-04-28

arxiv.org/abs/hep-ph/9904477v2

Phys.Lett. B461 (1999) 270-279

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, LaTeX, typos fixed

Scientific paper

10.1016/S0370-2693(99)00837-0

We develop a framework for the reconstruction of the non-forward kernels which govern the evolution of twist-two distribution amplitudes and off-forward parton distributions beyond leading order. It is based on the knowledge of the special conformal symmetry breaking part induced by the one-loop anomaly and conformal terms generated by forward next-to-leading order splitting functions, and thus avoids an explicit two-loop calculation. We demonstrate the formalism by applying it to the chiral odd and flavour singlet parity odd sectors.

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