String breaking

Details String breaking String breaking

2005-12-14

arxiv.org/abs/hep-lat/0512018v1

Nucl.Phys.Proc.Suppl. 153 (2006) 9-16

Physics

High Energy Physics

High Energy Physics - Lattice

8 pages, Talk given at the Workshop on Computational Hadron Physics, Nicosia, Cyprus, 14--17 September 2005

Scientific paper

10.1016/j.nuclphysbps.2006.01.01

We numerically investigate the transition of the static quark-antiquark string into a static-light meson-antimeson system. Improving noise reduction techniques, we are able to resolve the signature of string breaking dynamics for Nf=2 lattice QCD at zero temperature. We discuss the lattice techniques used and present results on energy levels and mixing angle of the static two-state system. We visualize the action density distribution in the region of string breaking as a function of the static colour source-antisource separation. The results can be related to properties of quarkonium systems.

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