Constraints on Cosmic Super-Strings from Kaluza-Klein Emission

Details Constraints on Cosmic Super-Strings from Kaluza-Klein Emission Constraints on Cosmic Super-Strings from Kaluza-Klein Emission

2011-09-23

arxiv.org/abs/1109.5121v2

Physics

High Energy Physics

High Energy Physics - Theory

v2: replaced by 4pp letter, with improved comparison with GW experiments (longer paper to come)

Scientific paper

Cosmic super-strings interact generically with a tower of light and/or strongly coupled Kaluza-Klein (KK) modes associated with the geometry of the internal space. We study the production of KK particles by cosmic super-string loops, and show that it is constrained by Big Bang Nucleosynthesis. We study the resulting constraints in the parameter space of the underlying string theory model and highlight their complementarity with the regions that can be probed by current and upcoming gravitational wave experiments.

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