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25 April 2024

» arxiv » 1204.0455

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Higgs boson production via vector-like top-partner decays: diphoton or multilepton plus multijets channels at the LHC
A. Azatov ; O. Bondu ; A. Falkowski ; M. Felcini ; S. Gascon-Shotkin ; D. K. Ghosh ; G. Moreau ; A. Y. Rodriguez-Marrero ; S. Sekmen ;
Date:	2 Apr 2012
Abstract:	We first build a minimal model of vector-like quarks where the dominant Higgs boson production process at LHC -- the gluon fusion -- can be significantly suppressed, being motivated by the recent stringent constraints from the search for direct Higgs production over a wide Higgs mass range. Within this model, compatible with the present experimental constraints on direct Higgs searches, we demonstrate that the Higgs ($h$) production via a heavy vector-like top-partner ($t_2$) decay, $pp o t_2 ar t_2$, $t_2 o t h$, allows to discover a Higgs boson at the LHC and measure its mass, through the decay channels $h o gammagamma$ or $h o ZZ$. We also comment on the recent hint in LHC data from a possible $sim 125$ GeV Higgs scalar, in the presence of heavy vector-like top quarks.
Source:	arXiv, 1204.0455
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