Color Sextet Scalars at the CERN Large Hadron Collider

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Taking a phenomenological approach, we study a color sextet scalar at the LHC. We focus on the QCD production of a color sextet pair Φ_6\barΦ_{6} through gg fusion and q\bar{q} annihilation. Its unique coupling to \bar{ψ^c}ψallows the color sextet scalar to decay into same-sign diquark states, such as Φ_6\to tt/tt^*. We propose a new reconstruction in the multijet plus same sign dilepton with missing transverse energy samples to search for on-shell tt\bar{t}\bar{t} final states from sextet scalar pair production. Thanks to the large QCD production, the search covers the sextet mass range up to 1 TeV for 100 fb^-1 integrated luminosity.
13 pages, 7 figures

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/225217

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0811.2105
 http://arxiv.org/abs/0811.2105
 Phys.Rev.D79:054002,2009
 doi:10.1103/PhysRevD.79.054002

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arXiv