Lattice QCD Spectroscopy with an Improved Wilson Fermion Action
M.-P. Lombardo, G.Parisi, A. Vladikas
TL;DR
This paper investigates the hadronic spectrum in quenched lattice QCD using an improved Wilson fermion action, demonstrating reduced finite spacing effects compared to the standard Wilson action.
Contribution
It introduces an improved Wilson fermion action and shows its effectiveness in reducing finite spacing effects in lattice QCD spectroscopy.
Findings
Reduced finite spacing effects with the improved action
Consistent hadronic spectrum results at different $eta$ values
Validation of the improved Wilson fermion approach
Abstract
We study the hadronic spectrum in quenched lattice QCD using an improved Wilson fermion action (Hamber-Wu(1983),Eguchi-Kawamoto(1984)) at and . We find a systematic reduction of the finite spacing effects compared to the results obtained by using the standard Wilson action.
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