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The Leptonic Decay Constants of Mesons and the Lattice Resolution
C. Alexandrou, S. Güsken, F. Jegerlehner +3
We present a high statistics study of the leptonic decay constant of heavy pseudoscalar mesons using propagating heavy Wilson quarks within the quenched approximation, on lat…
Scaling Study of the Leptonic Decay Constants of Heavy-Light Mesons: A Consumers Report on Improvement Factors
S. Güsken, C. Alexandrou, F. Jegerlehner +3
A high statistics calculation, performed at and , enables us to study the variation of the leptonic decay constants of heavy pseudoscalar mesons with th…
A New Way to Set the Energy Scale in Lattice Gauge Theories and its Application to the Static Force and in SU(2) Yang--Mills Theory
R. Sommer
We introduce a hadronic scale through the force between static quarks at intermediate distances . The definition amounts to ~fm i…
A Precise Determination of the Running Coupling in the SU(3) Yang-Mills Theory
Martin Luescher, Rainer Sommer, Peter Weisz +1
A non-perturbative finite-size scaling technique is used to study the evolution of the running coupling (in a certain adapted scheme) in the SU(3) Yang-Mills theory. At low energie…