Continuum-limit nucleon charges and sigma-terms from physical-point lattice ensembles: the isovector axial charge is 1.250(24) and sigma_piN is 41.9(8.1) MeV, with a preliminary finer-lattice check.
High Energy Phys
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Nucleon axial, tensor, and scalar charges and $\sigma$-terms in lattice QCD
Continuum-limit nucleon charges and sigma-terms from physical-point lattice ensembles: the isovector axial charge is 1.250(24) and sigma_piN is 41.9(8.1) MeV, with a preliminary finer-lattice check.