Quark Mass Dependence of Nucleon Properties and Extrapolation from Lattice QCD
Thomas R. Hemmert (1), Massimiliano Procura (1,2), Wolfram Weise, (1,2) ((1) TU Muenchen, (2) ECT-Trento)
TL;DR
This paper reviews how nucleon properties depend on quark mass and assesses chiral effective field theory for extrapolating lattice QCD results to physical quark masses.
Contribution
It evaluates the effectiveness of chiral effective field theory in extrapolating lattice QCD data for nucleon magnetic moments and g_A.
Findings
Chiral EFT can effectively extrapolate lattice results to physical quark masses.
Quark mass dependence of nucleon properties is systematically analyzed.
Feasibility of using chiral EFT for lattice QCD extrapolation is demonstrated.
Abstract
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 chiral effective field theory methods for the extrapolation of lattice QCD results, from the relatively large quark masses that can be handled in such computations down to the physically relevant range.
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