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Abstract: The hierarchy problem can be addressed by extending the four-dimensionalspace-time to include an extra compact spatial dimension with non-trivial-warped- metric, as first suggested by Randall and Sundrum. If theRandall-Sundrum framework is realized in string theory, the effective value ofthe string scale in the vicinity of the infrared boundary should be in the TeVdomain. The most attractive models of this type embed the Standard Modelparticles as zero-modes of five-dimensional fields. In such models, Reggeexcitations of the Standard Model states should appear around the TeV scale. Weconstruct a toy model that describes tensor spin-2 excitations of theStandard Model gauge bosons, and their on-shell couplings with light matter andgauge fields, within this framework. We use this toy model to predict thephenomenologically important features of the tensor Regge gluon, such as itsmass, production cross section at the LHC, and decay patterns.



Autor: Maxim Perelstein, Andrew Spray

Fuente: https://arxiv.org/







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