EPJ Web of Conferences
Volume 28, 2012Hadron Collider Physics Symposium, 2011
|Number of page(s)||3|
|Published online||06 June 2012|
Higgs Phenomenology of Minimal Universal Extra Dimensions
1 LAPTH, Université de Savoie, CNRS, B.P.110, F-74941 Annecy-le-Vieux Cedex, France
2 NExT Institute, School of Physics and Astronomy, University of Southampton, UK
3 School of Physics and Astronomy, University of Southampton, UK
4 Department of Physics, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan
5 Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow 119992, Russia
The minimal model of Universal Extra Dimensions (MUED) is briefly reviewed. We explain how the cross-sections for Higgs production via gluon fusion and decay into photons are modified, relative the the Standard Model (SM) values, by KK particles running in loops, leading to an enhancement of the gg → h → γγ and gg → h → W+W− cross-sections. ATLAS and CMS searches for the SM Higgs in these channels are reinterpreted in the context of MUED and used to place new limits on the MUED parameter space. Only a small region of between 1 and 3 GeV around mh = 125 GeV for 500 GeV < R−1 < 1600 GeV remains open at the 95 % confidence level.
© Owned by the authors, published by EDP Sciences, 2012
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