Probing universal extra dimension at the International Linear Collider

Bhattacharyya, Gautam ; Dey, Paramita ; Kundu, Anirban ; Raychaudhuri, Amitava (2005) Probing universal extra dimension at the International Linear Collider Physics Letters B, 628 (1-2). pp. 141-147. ISSN 0370-2693

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In the context of an universal extra-dimensional scenario, we consider production of the first Kaluza-Klein electron positron pair in an e+e collider as a case-study for the future International Linear Collider. The Kaluza-Klein electron decays into a nearly degenerate Kaluza-Klein photon and a standard electron, the former carrying away missing energy. The Kaluza-Klein electron and photon states are heavy with their masses around the inverse radius of compactification, and their splitting is controlled by radiative corrections originating from bulk and brane-localised interactions. We look for the signal event e+e+ large missing energy for √s=1 TeV and observe that with a few hundred fb−1 luminosity the signal will be readily detectable over the standard model background. We comment on how this signal may be distinguished from similar events from other new physics.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Universal Extra Dimension; International Linear Collider
ID Code:43233
Deposited On:10 Jun 2011 13:05
Last Modified:10 Jun 2011 13:05

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