String Breaking in Quenched QCD

Details String Breaking in Quenched QCD String Breaking in Quenched QCD

1998-09-10

arxiv.org/abs/hep-lat/9809063v2

Nucl.Phys.Proc.Suppl. 73 (1999) 599-601

Physics

High Energy Physics

High Energy Physics - Lattice

LATTICE98(confine), 3 pages, 4 figures

Scientific paper

10.1016/S0920-5632(99)85149-4

We present preliminary quenched results on a new operator for the investigation of string-breaking within SU(2)-colour QCD. The ground-state of a spatially-separated static-light meson-antimeson pair is a combination of a state with two distinct mesons, expected to dominate for large separations, and a state where the light-quarks have annihilated, which contributes for short distances. The crossover between these two regimes provides a measure of the string-breaking scale length.

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