Operator product expansion in QCD in off-forward kinematics: separation of kinematic and dynamical contributions

Braun, V. M. ; Manashov, A. N.

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Zusammenfassung

We develop a general approach to the calculation of target mass and finite t = (p' - p)(2) corrections in hard processes which can be studied in the framework of the operator product expansion and involve momentum transfer from the initial to the final hadron state. Such corrections, which are usually referred to as kinematic, can be defined as contributions of operators of all twists that can be ...