Volume 340 - The 39th International Conference on High Energy Physics (ICHEP2018) - Parallel: Beyond the Standard Model
Exotic signals of heavy scalar bosons through vectorlike quarks
J. Song,* K. Cheung, S.K. Kang, Y.W. Yoon
*corresponding author
Full text: pdf
Published on: August 02, 2019
Abstract
In an extension of the SM with an additional singlet scalar field S and vector-like quarks, we study the condition of the radiative enhancement of a heavy scalar boson decay into a massive gauge boson pair. Focusing on the loop effects, we assume that $S$ is linked to the standard model world only through loops of vector-like quarks. The radiative effects are the mixing with the Higgs boson and the loop-induced decays into $hh$, $WW$, $ZZ$, $gg$, and $\gamma\gamma$. The critical condition for the longitudinal polarization enhancement is the large mass differences among vector-like quarks.
DOI: https://doi.org/10.22323/1.340.0004
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