Integral representations for nonperturbative GPDs in terms of perturbative diagrams

Details Integral representations for nonperturbative GPDs in terms of perturbative diagrams Integral representations for nonperturbative GPDs in terms of perturbative diagrams

2002-10-16

arxiv.org/abs/hep-ph/0210238v3

Phys.Rev. D67 (2003) 094012

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages

Scientific paper

10.1103/PhysRevD.67.094012

An integral representation is suggested for generalized parton distributions
which automatically satisfies the polynomiality and positivity constraints.
This representation has the form of an integral of perturbative triangle
diagrams over the masses of three propagators with an appropriate weight
depending on these masses. An arbitrary D term can be added.

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