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| Home > External Publications > Vita Publications > High precision study of the Q Q ¯ potential from Wilson loops at large distances |
| Journal Article | FZJ-2019-01099 |
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2001
Inst.812068
Melville, NY
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Please use a persistent id in citations: doi:10.1103/PhysRevD.63.074504
Abstract: For lattice QCD with two sea quark flavors we study the static quark-antiquark potential V(R) in the regime where string breaking is expected. In order to increase the statistics, we make full use of the lattice information by including all lattice vectors R to any given separation R=|R| in the infrared regime. The corresponding paths between the lattice points are constructed by means of a generalized Bresenham algorithm as known from computer graphics. As a result, we achieve a determination of the Wilson loops in the range 0.8–1.5fm with hitherto unknown precision. Finally, we discuss the impact of this approach on the signal of the transition matrix element between two- and four-quark states.
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