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

Proceedings of 31st International Symposium on Lattice Field Theory LATTICE 2013 — PoS(LATTICE 2013)（2013）

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摘要

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.

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关键词

lattice qcd,form factors,nucleon

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