String splitting and strong coupling meson decay

Details String splitting and strong coupling meson decay String splitting and strong coupling meson decay

2005-11-03

arxiv.org/abs/hep-th/0511045v3

Phys.Rev.Lett. 96 (2006) 141601

Physics

High Energy Physics

High Energy Physics - Theory

17 pages, 2 figures. V2: References added. V3: Minor corrections

Scientific paper

10.1103/PhysRevLett.96.141601

We study the decay of high spin mesons using the gauge/string theory correspondence. The rate of the process is calculated by studying the splitting of a macroscopic string intersecting a D-brane. The result is applied to the decay of mesons in N=4 SYM with a small number of flavors and in a gravity dual of large N QCD. In QCD the decay of high spin mesons is found to be heavily suppressed in the regime of validity of the supergravity description.

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