First moments of the nucleon generalized parton distributions from lattice QCD

Details First moments of the nucleon generalized parton distributions from lattice QCD First moments of the nucleon generalized parton distributions from lattice QCD

2012-03-29

arxiv.org/abs/1203.6579v1

PoS(Lattice 2011)177

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 4 figures. Contribution to the XXIX International Symposium on Lattice Field Theory, July 10-16, 2011, Squaw Valley,

Scientific paper

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.

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