Scaling of Non-Perturbatively O(a) Improved Wilson Fermions: Hadron Spectrum, Quark Masses and Decay Constants

A. Schiller; G. Schierholz; H. Perlt; M. G\"ockeler; P. Rakow; P. Stephenson; R. Horsley

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Scaling of Non-Perturbatively O(a) Improved Wilson Fermions: Hadron Spectrum, Quark Masses and Decay Constants

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arxiv hep-lat/9707021 v1 pith:DBYFFO2D submitted 1997-07-17 hep-lat hep-ph

M. Göckeler , R. Horsley , H. Perlt , P. Rakow , G. Schierholz , A. Schiller , P. Stephenson This is my paper

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keywords fermionsimprovedwilsonconstantsdecayhadronlatticemasses

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abstract

We compute the hadron mass spectrum, the quark masses and the meson decay constants in quenched lattice QCD with non-perturbatively $O(a)$ improved Wilson fermions. The calculations are done for two values of the coupling constant, $\beta = 6.0$ and 6.2, and the results are compared with the predictions of ordinary Wilson fermions. We find that the improved action reduces lattice artifacts as expected.

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