Distinguishing the Littlest Higgs model with T-parity from supersymmetry at the LHC using trileptons

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We analyse hadronically quiet trilepton signatures in the T-parity conserving Littlest Higgs model and in R-parity conserving supersymmetry at the Large Hadron Collider. We identify the regions of the parameter space where such signals can reveal the presence of these new physics models above the Standard Model background and distinguish them from each other, even in a situation when the mass spectrum of the Littlest Higgs model resembles the supersymmetric pattern.
14 pages, 4 figures, Latex; v2: a few comments and references added, typos corrected, conclusions unchanged, version to be published in Physics Letters B

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/200690

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0708.1912
 http://arxiv.org/abs/0708.1912
 Phys.Lett.B659:308-315,2008
 doi:10.1016/j.physletb.2007.11.050

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