0000000000267495

AUTHOR

A. Nobile

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First moments of the nucleon generalized parton distributions from lattice QCD

2012

We report on our lattice calculations of the nucleon's generalized parton distributions (GPDs), concentrating on their first moments for the case of N_f=2. Due to recent progress on the numerical side we are able to present results for the generalized form factors at pion masses as low as 260 MeV. We perform a fit to one-loop covariant baryon chiral perturbation theory with encouraging results.

010308 nuclear & particles physicsHigh Energy Physics::LatticeHigh Energy Physics - Lattice (hep-lat)High Energy Physics::PhenomenologyNuclear TheoryFOS: Physical sciencesDESYPartonLattice QCD01 natural sciencesNuclear physicsHigh Energy Physics - LatticeResearch centre0103 physical sciencesddc:530Nuclear Experiment010306 general physicsNucleon
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