Moments of generalized parton distributions and quark angular momentum of the nucleon

Details Moments of generalized parton distributions and quark angular momentum of the nucleon Moments of generalized parton distributions and quark angular momentum of the nucleon

2007-10-08

arxiv.org/abs/0710.1534v1

PoSLAT2007:158,2007

Physics

High Energy Physics

High Energy Physics - Lattice

Presented at 25th International Symposium on Lattice Field Theory, Regensburg, Germany, 30 Jul - 4 Aug 2007

Scientific paper

The internal structure of hadrons is important for a variety of topics, including the hadron form factors, proton spin and spin asymmetry in polarized proton scattering. For a systematic study generalized parton distributions (GPDs) encode important information on hadron structure in the entire impact parameter space. We report on a computation of nucleon GPDs based on simulations with two dynamical non-perturbatively improved Wilson quarks with pion masses down to 350MeV. We present results for the total angular momentum of quarks with chiral extrapolation based on covariant baryon chiral perturbation theory.

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