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

Autor: Bali, G. S., Collins, S., Gläßle, B., Göckeler, M., Najjar, J., Rödl, R., Schäfer, A., Schiel, R., Söldner, W., Sternbeck, A., Wein, P.
Rok vydání: 2013
Předmět:
Zdroj: PoS(Lattice 2013)291
Druh dokumentu: Working Paper
Popis: 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.
Comment: 7 pages, 4 figures, presented at the 31st International Symposium on Lattice Field Theory (Lattice 2013), 29 July - 3 August 2013, Mainz, Germany
Databáze: arXiv