Disentangling positivity constraints for generalized parton distributions

P. V. Pobylitsa
Phys. Rev. D 65, 114015 – Published 21 June 2002
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Abstract

Positivity constraints are derived for the generalized parton distributions (GPDs) of spin-1/2 hadrons. The analysis covers the full set of eight twist-2 GPDs. Several new inequalities are obtained which constrain GPDs by various combinations of usual (forward) unpolarized and polarized parton distributions, including the transversity distribution.

  • Received 23 February 2002

DOI:https://doi.org/10.1103/PhysRevD.65.114015

©2002 American Physical Society

Authors & Affiliations

P. V. Pobylitsa

  • Institute for Theoretical Physics II, Ruhr University Bochum, D-44780 Bochum, Germany
  • Petersburg Nuclear Physics Institute, Gatchina, St. Petersburg 188350, Russia

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Vol. 65, Iss. 11 — 1 June 2002

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