Light quark masses from quenched lattice QCD simulations with domain wall quarks

TL;DR

This paper determines the strange and up/down quark masses using quenched lattice QCD with domain wall fermions, emphasizing chiral symmetry preservation and nonperturbative renormalization across two lattice spacings.

Contribution

It provides new quenched lattice QCD results for light quark masses using domain wall fermions with nonperturbative renormalization methods.

Findings

Quark masses obtained at two lattice spacings.

Chiral symmetry preserved by domain wall fermions.

Nonperturbative calculation of mass renormalization constants.

Abstract

Values for the strange quark mass and average up/down mass have been obtained from quenched lattice QCD simulations using the domain wall fermion action. This discretization preserves the properties of flavor and chiral symmetry at nonzero lattice spacing. Results are shown for two values of the lattice spacing. The mass renormalization constant is computed nonperturbatively.