Static quarks with improved statistical precision

Details Static quarks with improved statistical precision Static quarks with improved statistical precision

2003-09-15

arxiv.org/abs/hep-lat/0309080v1

Nucl.Phys.Proc.Suppl.129:346-348,2004

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, 4 figures, Lattice2003(heavy)

Scientific paper

10.1016/S0920-5632(03)02577-5

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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