Nucleon generalized form factors and sigma term from lattice QCD near the physical quark mass

G. S. Bali; S. Collins; B. Gläßle; M. Göckeler; J. Najjar; R. Rödl; A. Schäfer; R. Schiel; W. Söldner; A. Sternbeck; P. Wein

Nucleon generalized form factors and sigma term from lattice QCD near the physical quark mass

High Energy Physics - Lattice 2013-12-04 v1

Authors: G. S. Bali , S. Collins , B. Gläßle , M. Göckeler , J. Najjar , R. Rödl , A. Schäfer , R. Schiel , W. Söldner , A. Sternbeck , P. Wein

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Abstract

We present new N_f=2 data for the nucleon generalized form factors, varying volume, lattice spacing and pion mass, down to 150 MeV. We also give an update of our direct calculation of the nucleon sigma term for a range of pion mass values including the lightest one.

Keywords

nucleon generalized form factors sigma term lattice qcd physical quark mass pion mass finite volume effects

Cite

@article{arxiv.1312.0828,
  title  = {Nucleon generalized form factors and sigma term from lattice QCD near the physical quark mass},
  author = {G. S. Bali and S. Collins and B. Gläßle and M. Göckeler and J. Najjar and R. Rödl and A. Schäfer and R. Schiel and W. Söldner and A. Sternbeck and P. Wein},
  journal= {arXiv preprint arXiv:1312.0828},
  year   = {2013}
}

Comments

7 pages, 4 figures, presented at the 31st International Symposium on Lattice Field Theory (Lattice 2013), 29 July - 3 August 2013, Mainz, Germany

Nucleon generalized form factors and sigma term from lattice QCD near the physical quark mass

Abstract

Keywords

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