SCALING OF NONPERTURBATIVELY O(ALPHA)-IMPROVED WILSON FERMIONS - HADRON SPECTRUM, QUARK MASSES, AND DECAY CONSTANTS

Authors
GOCKELER M HORSLEY R PERLT H RAKOW P SCHIERHOLZ G SCHILLER A STEPHENSON P
Citation
M. Gockeler et al., SCALING OF NONPERTURBATIVELY O(ALPHA)-IMPROVED WILSON FERMIONS - HADRON SPECTRUM, QUARK MASSES, AND DECAY CONSTANTS, Physical review. D. Particles and fields, 57(9), 1998, pp. 5562-5580
Citations number
57
Categorie Soggetti
Physics, Particles & Fields
Journal title
Physical review. D. Particles and fields → ACNP
ISSN journal
05562821
Volume
57
Issue
9
Year of publication
1998
Pages
5562 - 5580
Database
ISI
SICI code
0556-2821(1998)57:9<5562:SONOWF>2.0.ZU;2-1
Abstract
We compute the hadron mass spectrum, the quark masses, and the meson d ecay constants in quenched lattice QCD with nonperturbatively O(a)-imp roved Wilson fermions. The calculations are done for two values of the coupling constant beta = 6.0 and 6.2, and the results are compared wi th the predictions of ordinary Wilson fermions. We find that the impro ved action reduces lattice artifacts as expected.