PoS - Proceedings of Science
Volume 340 - The 39th International Conference on High Energy Physics (ICHEP2018) - Parallel: Beyond the Standard Model
Detecting Heavy Charged Higgs boson at the LHC
M. Guchait,* A. Vijay
*corresponding author
Full text: pdf
Published on: August 02, 2019
Abstract
Signature of heavier charged Higgs boson, much above the top quark mass, is investigated at the LHC Run 2 experiments, following its decay mode via top and bottom quark focusing on both hadronic and semi-leptonic signal final states in the context of generic two Higgs doublet model with a special emphasis on supersymmetry motivated Type II model. The signal is found to be heavily affected by huge irreducible backgrounds due to the top quark pair production and QCD events. The jet substructure technique is used to tag moderately boosted top jets in order to reconstruct charged Higgs mass. The simple cut based analysis shows very poor sensitivity. However, employing the multi-variate analysis(MVA) technique, a remarkable improvement in signal sensitivity is achieved. We find that the
charged Higgs signal for the mass range about 300-600 GeV is
observable with 1000/fbluminosity. However, for high luminosity,
= 3000/{fb}, the discovery potential can be extended to 700-800 GeV.
DOI: https://doi.org/10.22323/1.340.0633
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