Relativistic corrections to the static potential at O(1/m) and O(1/m^2)

Details Relativistic corrections to the static potential at O(1/m) and O(1/m^2) Relativistic corrections to the static potential at O(1/m) and O(1/m^2)

2007-11-15

arxiv.org/abs/0711.2322v1

PoSLAT2007:111,2007

Physics

High Energy Physics

High Energy Physics - Lattice

10 pages, Talk presented at Lattice 2007 (Hadron spectroscopy)

Scientific paper

We investigate the relativistic corrections to the static potential, i.e. the O(1/m) potential and the O(1/m^2) velocity-dependent potentials, in SU(3) lattice gauge theory. They are important ingredients of potential nonrelativistic QCD for heavy quarkonium. Utilizing the multi-level algorithm, we obtain remarkably clean signals of these potentials up to r=0.9 fm. We observe long range nonperturbative contributions to these corrections.

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