Speaker
Sumit Banik
(University of Zurich & PSI)
Description
Several LHC searches with multiple leptons in the final state point towards the existence of a new Higgs boson with a mass in the 140-160 GeV range, decaying mostly to a pair of W bosons. This dominant decay mode motivates a Higgs triplet with zero hypercharge, which also predicts a heavier-than-expected W-boson as indicated by the CDF-II measurement. Within this simple and predictive model, we simulate and combine channels of associated di-photon production. Considering the run-2 results of ATLAS, a significance of 4.3 sigma is obtained for a mass of 152 GeV. This is the largest statistical evidence for a new narrow resonance observed at the LHC.
Authors
Andreas Crivellin
(University of Zurich (CH))
Guglielmo Coloretti
(University of Zurich (UZH) / Paul Scherrer Institute (PSI))
Mellado, Bruce UNKNOWN
(University of Wisconsin (ATLAS))
Dr
Saiyad Ashanujjaman
(SGTB Khalsa College)
Sumit Banik
(University of Zurich & PSI)
