Zero Temperature String Breaking with Staggered Quarks

Details Zero Temperature String Breaking with Staggered Quarks Zero Temperature String Breaking with Staggered Quarks

2000-10-30

arxiv.org/abs/hep-lat/0010066v2

Nucl.Phys.Proc.Suppl.94:546-549,2001

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, 6 figures, Lattice 2000 (Confinement and Strings). Corrected citation

Scientific paper

10.1016/S0920-5632(01)00863-5

The separation of a heavy quark and antiquark pair leads to the formation of a tube of flux, or "string", which should break in the presence of light quark-antiquark pairs. This expected zero-temperature phenomenon has proven elusive in simulations of lattice QCD. In an extension of work reported last year we present clear evidence for string breaking in QCD with two flavors of dynamical staggered sea quarks and apply our results to a simple three-state mixing model for string breaking. We find that mixing is weak and falls to zero at level crossing.

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