Scaling of nonperturbatively O(alpha)-improved Wilson fermions: Hadron spectrum, quark masses, and decay constants

Göckeler, Meinulf and Horsley, R. and Perlt, H. and Rakow, P. and Schierholz, G. and Schiller, A. and Stephenson, P. (1998) Scaling of nonperturbatively O(alpha)-improved Wilson fermions: Hadron spectrum, quark masses, and decay constants. PHYSICAL REVIEW D, 57 (9). pp. 5562-5580. ISSN 2470-0010, 2470-0029

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Abstract

We compute the hadron mass spectrum, the quark masses, and the meson decay constants in quenched lattice QCD with nonperturbatively 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.

Item Type: Article
Uncontrolled Keywords: LATTICE GAUGE-THEORY; CONTINUUM-LIMIT; VALENCE APPROXIMATION; PERTURBATION-THEORY; CHIRAL-SYMMETRY; QCD; IMPROVEMENT; PHYSICS; MESON
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 24 Feb 2023 10:11
Last Modified: 24 Feb 2023 10:11
URI: https://pred.uni-regensburg.de/id/eprint/49873

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