Positivity bounds on generalized parton distributions in impact parameter representation

Abstract

New positivity bounds are derived for generalized (off-forward) parton distributions using the impact parameter representation. These inequalities are stable under the evolution to higher normalization points. The full set of inequalities is infinite. Several particular cases are considered explicitly.

8 pages

References in corpus (5)

• Hard Exclusive Reactions and the Structure of Hadrons
• Theory of deeply virtual Compton scattering on the nucleon
• Generalized parton distributions in impact parameter space
• Disentangling positivity constraints for generalized parton distributions
• Inequalities for generalized parton distributions H and E

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