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The Light Quark Masses from Lattice Gauge Theory
Brian J. Gough, George M. Hockney, Aida X. El-Khadra +5
We investigate the masses of the light quarks with lattice QCD. We show that most of the large dependence on the lattice spacing, a, observed in previous determinations using Wilso…
Recent Lattice Results on the Light Quark Masses
Paul B. Mackenzie
I discuss old and new determinations of the light quark masses using lattice QCD. Most lattice results using various approximations can be fit together in a simple picture which is…
Light Quark Masses with an O(a)-Improved Action
T. Onogi, A. X. El-Khadra, B. J. Gough +5
We present the recent Fermilab calculations of the masses of the light quarks, using tadpole-improved Sheikholeslami-Wohlert (SW) quarks. Various sources of systematic errors are s…
Massive Fermions in Lattice Gauge Theory
Aida X. El-Khadra, Andreas S. Kronfeld, Paul B. Mackenzie
This paper presents a formulation of lattice fermions applicable to all quark masses, large and small. We incorporate interactions from previous light-fermion and heavy-fermion met…