Moments of nucleon spin-dependent generalized parton distributions

W. Schroers; R. C. Brower; P. Dreher; R. Edwards; G. Fleming; Ph. Hagler; U. M. Heller; Th. Lippert; J. W. Negele; A. V. Pochinsky; D. B. Renner; D. Richards; K. Schilling

doi:10.1016/S0920-5632(03)02750-6

Moments of nucleon spin-dependent generalized parton distributions

High Energy Physics - Lattice 2008-11-26 v1

Authors: W. Schroers , R. C. Brower , P. Dreher , R. Edwards , G. Fleming , Ph. Hagler , U. M. Heller , Th. Lippert , J. W. Negele , A. V. Pochinsky , D. B. Renner , D. Richards , K. Schilling

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Abstract

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.

Keywords

generalized parton distributions nucleon spin axial coupling constant lattice QCD Wilson fermions domain-wall fermions

Cite

@article{arxiv.hep-lat/0309065,
  title  = {Moments of nucleon spin-dependent generalized parton distributions},
  author = {W. Schroers and R. C. Brower and P. Dreher and R. Edwards and G. Fleming and Ph. Hagler and U. M. Heller and Th. Lippert and J. W. Negele and A. V. Pochinsky and D. B. Renner and D. Richards and K. Schilling},
  journal= {arXiv preprint arXiv:hep-lat/0309065},
  year   = {2008}
}

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

Moments of nucleon spin-dependent generalized parton distributions

Abstract

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