Hadron Masses from the Valence Approximation to Lattice QCD

Details Hadron Masses from the Valence Approximation to Lattice QCD Hadron Masses from the Valence Approximation to Lattice QCD

1994-05-03

arxiv.org/abs/hep-lat/9405003v2

Nucl.Phys. B430 (1994) 179-228

Physics

High Energy Physics

High Energy Physics - Lattice

108 pages of Latex, including 50 PostScript figures, tarred, compressed and uuencoded. IBM-HET-94-3. (The first version of thi

Scientific paper

10.1016/0550-3213(94)90654-8

We evaluate pseudoscalar, vector, spin 1/2 and spin 3/2 baryon masses predicted by lattice QCD with Wilson quarks in the valence (quenched) approximation for a range of different values of lattice spacing, lattice volume and quark mass. Extrapolating these results to physical quark mass, then to zero lattice spacing and infinite volume we obtain values for eight mass ratios. We also determine the zero lattice spacing, infinite volume limit of an alternate set of five quantities found without extrapolation in quark mass. Both sets of predictions differ from the corresponding observed values by amounts consistent with the predicted quantities' statistical uncertainties.

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