Discrimination of Supersymmetry and Universal Extra Dimensions at Hadron Colliders

Details Discrimination of Supersymmetry and Universal Extra Dimensions at Hadron Colliders Discrimination of Supersymmetry and Universal Extra Dimensions at Hadron Colliders

2005-09-22

arxiv.org/abs/hep-ph/0509246v1

Phys.Rev.D72:096006,2005; Erratum-ibid.D72:119901,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

34 pages, 21 figures

Scientific paper

10.1103/PhysRevD.72.096006

We contrast the experimental signatures of low energy supersymmetry and the model of Universal Extra Dimensions and discuss various methods for their discrimination at hadron colliders. We study the discovery reach of the Tevatron and the LHC for level 2 Kaluza-Klein modes, which would indicate the presence of extra dimensions. We find that with 100 ${\rm fb}^{-1}$ of data the LHC will be able to discover the $\gamma_2$ and $Z_2$ KK modes as separate resonances if their masses are below 2 TeV. We also investigate the possibility to differentiate the spins of the superpartners and KK modes by means of the asymmetry method of Barr.

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