Light hadron masses in quantum chromodynamics with valence wilson quarks at β = 6.25 from a parallel PC cluster

The authors present the results for π, ρ, proton and Δ masses from authors' recently built Pentium cluster and compare with the quenched Wilson fermion data presented by MILC and GF11 collaborations at β=6/g2=5.7 and 5.85 on the 83 x 32 lattice. New data are shown at β 6.25 on the 123 x 36 and 163 x 32 lattices. Such a large β value is useful for extrapolating the lattice results to the continuum limit. The smearing technique is systematically investigated and can greatly improve the spectrum data