EPJ Web Conf.
Volume 138, 2017XXIII International Baldin Seminar on High Energy Physics Problems Relativistic Nuclear Physics and Quantum Chromodynamics (Baldin ISHEPP XXIII)
|Number of page(s)||10|
|Published online||27 March 2017|
Probing composite models at the LHC with exotic quarks production
1 Service de Physique des Particules, Institut de Recherche sur les lois Fondamentales de l’Univers, CEA Saclay, Gif sur Yvette, France
2 Centre de Physique des Particules de Marseille, UMR CNRS/Université d’Aix-Marseille, Marseille, France
* e-mail: firstname.lastname@example.org
Published online: 27 March 2017
After the Higgs boson hunt, the LHC could be a powerful tool to unravel the mystery of which physics lies beyond the realm of the Standard Model. Different new sectors have been postulated to address naturalness: SUSY, extra dimensions and strong dynamics theories. Composite models extend EWSB to a global symmetry breaking whose pseudo-Goldstone boson is the SM Higgs boson. The resulting mass spectrum originates from a partial mixing between fundamental fermions and composite fields which creates massive states including new heavy quarks coupled preferentially to the top quark. Searches for these top partners have been carried out by the ATLAS and CMS collaborations, constraining the models. Other composite contributions are expected to enhance the 4-top production, which should be observable in the next years at the LHC.
© The Authors, published by EDP Sciences, 2017
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