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Dark Matter from Lorentz Invariance and the LHC

Abstract : In extra dimensional models, a Dark Matter candidate can be present thanks to a Kaluza-Klein parity which makes the lightest resonances stable. However, compactifications considered sofar need the symmetry to be imposed by hand on the model: here we propose the unique orbifold in 6 dimensions where such parity arises naturally as part of the unbroken 6D Lorentz invariance. As an example we introduce a model of universal extra dimensions where all standard model fields propagate in the extra dimensions. The dark matter candidate is a scalar photon and its preferred mass range lies below 300 GeV. Due to the small splitting between states in the same Kaluza-Klein tier, discovery of the lightest tiers is challenging at the LHC
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Submitted on : Thursday, April 28, 2011 - 8:19:40 AM
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  • HAL Id : in2p3-00589065, version 1



G. Cacciapaglia, A. Deandrea, J. Llodra-Perez, B. Kubik-Deriaz. Dark Matter from Lorentz Invariance and the LHC. European Physical Society Europhysics Conference on High Energy Physics, EPS-HEP 2009, Jul 2009, Cracow, Poland. 250 (5p.). ⟨in2p3-00589065⟩



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