Semiclassical decay of strings with maximum angular momentum

Details Semiclassical decay of strings with maximum angular momentum Semiclassical decay of strings with maximum angular momentum

2003-01-16

arxiv.org/abs/hep-th/0301109v2

JHEP 0303 (2003) 030

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, latex, 7 figures

Scientific paper

10.1088/1126-6708/2003/03/030

We study the classical breaking of a highly excited (closed or open) string state on the leading Regge trajectory, represented by a rotating soliton solution, and we find the resulting solutions for the outgoing two pieces, describing two specific excited string states. This classical picture reproduces very accurately the precise analytical relation of the masses $M_1$ and $M_2$ of the decay products found in a previous quantum computation. The decay rate is naturally described in terms of a semiclassical formula. We also point out some interesting features of the evolution after the splitting process.

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