Moments of nucleon spin-dependent generalized parton distributions

Details Moments of nucleon spin-dependent generalized parton distributions Moments of nucleon spin-dependent generalized parton distributions

2003-09-14

arxiv.org/abs/hep-lat/0309065v1

Nucl.Phys.Proc.Suppl.129:907-909,2004

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2003(Theory), 3 pages, 3 figures, to appear in the Proceedings of Lattice 2003

Scientific paper

10.1016/S0920-5632(03)02750-6

We present a lattice measurement of the first two moments of the spin-dependent GPD H-tilde(x,xi,t). From these we obtain the axial coupling constant and the second moment of the spin-dependent forward parton distribution. The measurements are done in full QCD using Wilson fermions. In addition, we also present results from a first exploratory study of full QCD using Asqtad sea and domain-wall valence fermions.

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