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arXiv · 1703.10614

Probing vector-like quark models with Higgs-boson pair production

Giacomo Cacciapaglia·Haiying Cai·Alexandra Carvalho·Aldo Deandrea·Thomas Flacke·Benjamin Fuks·Devdatta Majumder·Hua-Sheng Shao
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Abstract

We investigate Higgs-boson pair production at the LHC when the final state system arises from decays of vector-like quarks coupling to the Higgs boson and the Standard Model quarks. Our phenomenological study includes next-to-leading-order QCD corrections, which are important to guarantee accurate predictions, and focuses on a detailed analysis of a di-Higgs signal in the four $b$-jet channel. Whereas existing Run II CMS and ATLAS analyses are not specifically designed for probing non-resonant, vector-like-quark induced, di-Higgs production, we show that they nevertheless offer some potential for these modes. We then investigate the possibility of distinguishing between the various di-Higgs production mechanisms by exploiting the kinematic properties of the signal.

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Giacomo Cacciapaglia, Haiying Cai, Alexandra Carvalho, Aldo Deandrea, Thomas Flacke, Benjamin Fuks, Devdatta Majumder, Hua-Sheng Shao. 2017-07-05. Probing vector-like quark models with Higgs-boson pair production. https://doi.org/10.1007/jhep07(2017)005

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