Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1996-03-01
Phys.Lett. B385 (1996) 273
Physics
High Energy Physics
High Energy Physics - Lattice
18 pages, 3 postscript figures, revised May 1996
Scientific paper
10.1016/0370-2693(96)00828-3
Calculations of hadron masses are done in quenched approximation using gauge field and fermion actions which are both corrected for discretization errors to $O(a^2)$ at the classical level and which contain tadpole improvement factors. The fermion action has both nearest-neighbour and next-nearest-neighbour couplings in the kinetic and Wilson terms. Simulations done at lattice spacings of $0.27$ and $0.4$fm yield hadron masses which are already quite close to experimental values. The results are compared to Wilson action calculations done at comparable lattice spacings.
Fiebig Rudolf H.
Woloshyn Richard M.
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