Searching for third-generation composite leptoquarks at the LHC

Details Searching for third-generation composite leptoquarks at the LHC Searching for third-generation composite leptoquarks at the LHC

2010-10-19

arxiv.org/abs/1010.3962v3

JHEP 1101:156,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

37 pages, 20 figures, v3: Added clarifications in response to referee comments, v2: Minor misprints corrected and plots replac

Scientific paper

10.1007/JHEP01(2011)156

Fermion masses may arise via mixing of elementary fermions with composite fermions of a strong sector in scenarios of strongly-coupled electroweak symmetry breaking. The strong sector may contain leptoquark states with masses as light as several hundred GeV. In the present study we focus on the scalar modes of such leptoquarks since their bosonic couplings are determined completely and hence their production cross sections only depend on their masses. We study all the possible gauge-invariant non-derivative and single-derivative couplings of the scalar leptoquarks to the quarks and leptons, which turn out to be, predominantly, of the third generation. We examine their phenomenology and outline search strategies for their dominant decay modes at the LHC.

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