Numerical Tests of the Improved Fermilab Action

Details Numerical Tests of the Improved Fermilab Action Numerical Tests of the Improved Fermilab Action

2010-11-23

arxiv.org/abs/1011.5189v1

PoS Lattice2010:234,2010

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 3 figures, Talk presented at 28th International Symposium On Lattice Field Theory (Lattice 2010) 13-19 Jun 2010, Vill

Scientific paper

Recently, the Fermilab heavy-quark action was extended to include dimension-six and -seven operators in order to reduce the discretization errors. In this talk, we present results of the first numerical simulations with this action (the OK action), where we study the masses of the quarkonium and heavy-light systems. We calculate combinations of masses designed to test improvement and compare results obtained with the OK action to their counterparts obtained with the clover action. Our preliminary results show a clear improvement.

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