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Triple Higgs coupling as a probe of the twin-peak scenario

By Amine Ahriche, Abdesslam Arhrib and Salah Nasri

Abstract

AbstractIn this letter, we investigate the case of a twin peak around the observed 125 GeV scalar resonance, using di-Higgs production processes at both LHC and e+e− Linear Colliders. We have shown that both at LHC and Linear Collider the triple Higgs couplings play an important role to identify this scenario; and also that this scenario can be distinguishable from any Standard Model extension by extra massive particles which might modify the triple Higgs coupling. We also introduce a criterion that can be used to rule out the twin peak scenario

Publisher: The Authors. Published by Elsevier B.V.
Year: 2015
DOI identifier: 10.1016/j.physletb.2015.02.062
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