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Nucleon mass, sigma term and lattice QCD
M. Procura, T. R. Hemmert, W. Weise
We investigate the quark mass dependence of the nucleon mass M_N. An interpolation of this observable, between a selected set of fully dynamical two-flavor lattice QCD data and its…
Quark mass dependence of the nucleon axial-vector coupling constant
Thomas R. Hemmert, Massimiliano Procura, Wolfram Weise
We study the quark mass expansion of the axial-vector coupling constant g_A of the nucleon. The aim is to explore the feasibility of chiral effective field theory methods for extra…
Chiral extrapolations of nucleon properties from lattice QCD
Thomas R. Hemmert, Massimiliano Procura, Wolfram Weise
We report on recent work about the study of quark mass dependence of nucleon magnetic moments and axial-vector coupling constant. We examine the feasibility of chiral effective fie…
Quark Mass Dependence of Nucleon Properties and Extrapolation from Lattice QCD
Thomas R. Hemmert, Massimiliano Procura, Wolfram Weise
We summarize developments concerning the quark mass dependence of nucleon magnetic moments and the axial-vector coupling constant g_A. The aim is to explore the feasibility of chir…