Universal Extra Dimensions at the e-e- Colliders

Details Universal Extra Dimensions at the e-e- Colliders Universal Extra Dimensions at the e-e- Colliders

2002-06-04

arxiv.org/abs/hep-ph/0206035v1

Int.J.Mod.Phys.A18:2779-2786,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, talk presented at the e-e-01 workshop, University of California, Santa Cruz, Dec.7-9, 2001

Scientific paper

10.1142/S0217751X03016240

Universal Extra Dimensions (UEDs) with compactification radius near the TeV scale provide interesting phenomenology at future colliders. The collider signals of the first Kaluza-Klein (KK) level are very similar to those of a supersymmetric model with a nearly degenerate superpartner spectrum. The heavier first level KK states cascade decay to the lightest KK particles (LKP), which is neutral and stable because of KK-parity. The signatures involve missing energy and relatively soft jets and leptons which can be difficult for detection. The KK electron signal in $e^- e^-$ collisions is free from the problematic two photon background therefore provides a unique opportunity for a detailed studies of the KK electrons in the Universal Extra Dimension scenario.

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