Probing the chiral limit of M_pi and f_pi in 2+1 flavor QCD with domain wall fermions from QCDOC

TL;DR

This paper investigates pseudoscalar meson properties in 2+1 flavor QCD using domain wall fermions, focusing on chiral behavior at small quark masses with lattice simulations.

Contribution

It provides new lattice QCD results for meson masses and decay constants near the chiral limit using domain wall fermions on specific lattice configurations.

Findings

Meson masses and decay constants measured at various quark masses.

Chiral fits performed at small quark masses.

Results consistent with theoretical expectations.

Abstract

We present results for the pseudoscalar meson masses and decay constants on 2+1 flavor DWF configurations with different sea quark masses and an inverse lattice spacing of 1.6(1) GeV, with a focus on chiral fits at small quark masses. The calculation is done on 16^3x32x8 lattices generated with the DBW2 gauge action.