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Static quarks with improved statistical precision

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arxiv hep-lat/0309080 v1 pith:FQWHBSYN submitted 2003-09-15 hep-lat

M. Della Morte , S. Durr , J.Heitger , H. Molke , J. Rolf , A. Shindler , R. Sommer This is my paper · ORCID
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keywords staticactionerrorsprecisionstatisticaltimeactionsapproximation
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We present a numerical study for different discretisations of the static action, concerning cut-off effects and the growth of statistical errors with Euclidean time. An error reduction by an order of magnitude can be obtained with respect to the Eichten-Hill action, for time separations beyond 1.3 fm, keeping discretization errors small. The best actions lead to a big improvement on the precision of the quark mass Mb and F_Bs in the static approximation.

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  1. Hybrid static potentials and gluelumps on $N_f=3+1$ ensembles

    hep-lat 2025-01 conditional novelty 6.0 of 10

    New lattice QCD measurements of hybrid static potentials, static-light thresholds, and gluelump masses on N_f=3+1 ensembles with pions near 420 MeV, using Laplace trial states.

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