Destruction of a metastable string by particle collisions |
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Authors: | A. K. Monin and M. B. Voloshin |
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Affiliation: | 1.School of Physics and Astronomy,University of Minnesota,Minneapolis,USA;2.William I. Fine Theoretical Physics Institute,University of Minnesota,Minneapolis,USA;3.Institute of Theoretical and Experimental Physics,Moscow,Russia |
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Abstract: | We calculate the probability of destruction of a metastable string by collisions of the Goldstone bosons, corresponding to the transverse waves on the string. We find a general formula that allows to determine the probability of the string breakup by a collision of arbitrary number of the bosons. We find that the destruction of a metastable string takes place only in collisions of even number of the bosons, and we explicitly calculate the energy dependence of such process in a two-particle collision for an arbitrary relation between the energy and the largest infrared scale in the problem, the length of the critical gap in the string. |
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