Exploring two Universal Extra Dimensions at the CERN LHC

Details Exploring two Universal Extra Dimensions at the CERN LHC Exploring two Universal Extra Dimensions at the CERN LHC

2011-09-07

arxiv.org/abs/1109.1400v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

29 pages, 11 postscript figures, one typo corrected

Scientific paper

We discuss the signatures, at the LHC, of the (1,0)-th Kaluza-Klein (KK) gluon and quarks in the framework of the two universal extra dimensional (2UED) model. Once produced, these particles typically suffer a cascade of decays terminating in the Dark Matter candidate apart from Standard Model particles. In this article, we are interested in focus on a particular signature of 2UED wherein the final state comprises of at least four jets in association with a hard photon and missing transverse energy. Several kinematic cuts are devised to enhance the signal to background ratio. Finally, as a road map to parameter determination at the LHC, we point out an interesting correlation between the peak position of the M_eff distributions with the compactification radius R and the cut-off scale M_s.

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