Journal
PHYSICAL REVIEW LETTERS
Volume 120, Issue 18, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.120.182001
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Funding
- U.S. Department of Energy, Office of Science, Office of Nuclear Physics [DE-AC05-06OR23177, DE-FG02-03ER41231]
- Department of Energy Award [DE-AC02-76SF00515]
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The structure of generalized parton distributions is determined from light-front holographic QCD up to a universal reparametrization function w(x) which incorporates Regge behavior at small x and inclusive counting rules at x -> 1. A simple ansatz for w(x) that fulfills these physics constraints with a single-parameter results in precise descriptions of both the nucleon and the pion quark distribution functions in comparison with global fits. The analytic structure of the amplitudes leads to a connection with the Veneziano model and hence to a nontrivial connection with Regge theory and the hadron spectrum.
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