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

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.

preprint2007arXivOpen access
UKQCD collaborationM. OhtaniD. BrommelM. GockelerPh. HaglerR. HorsleyY. NakamuraD. PleiterP. E. L. RakowA. SchaferG. SchierholzW. SchroersH. StubenJ. M. Zanotti
hep-lat
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Open access14 authors1 topic
Imported metadata coverageMissing code, dataset, citation and institution fields are tracked without dominating the paper.Details
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UKQCD collaborationM. OhtaniD. BrommelM. GockelerPh. HaglerR. HorsleyY. NakamuraD. PleiterP. E. L. RakowA. SchaferG. SchierholzW. SchroersH. StubenJ. M. Zanotti

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