The Off-forward Quark-Quark Correlation Function

Details The Off-forward Quark-Quark Correlation Function The Off-forward Quark-Quark Correlation Function

2006-09-08

arxiv.org/abs/hep-ph/0609085v1

Phys.Rev.D74:054037,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

Accepted for publication in Physical Review D

Scientific paper

10.1103/PhysRevD.74.054037

The properties of the non-forward quark-quark correlation function are examined. We derive constraints on the correlation function from the transformation properties of the fundamental fields of QCD occurring in its definition. We further develop a method to construct an ansatz for this correlator. We present the complete leading order set of generalized parton distributions in terms of the amplitudes of the ansatz. Finally we conclude that the number of independent generalized parton helicity changing distributions is four.

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