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|Title:||Boosting the charged Higgs search prospects using jet substructure at the LHC|
|Citation:||Journal of High Energy Physics, 2016; 2016(11):164-1-164-27|
|Jinmian Li, Riley Patrick, Pankaj Sharma, Anthony G. Williams|
|Abstract:||Charged Higgs bosons are predicted in variety of theoretically well-motivated new physics models with extended Higgs sectors. In this study, we focus on a type-II two Higgs doublet model (2HDM-II) and consider a heavy charged Higgs with its mass ranging from 500 GeV to 1 TeV as dictated by the b → sγ constraints which render MH± > 480 GeV. We study the dominant production mode H±t associated production with H± → W±A being the dominant decay channel when the pseudoscalar A is considerably lighter. For such a heavy charged Higgs, both the decay products W± and A are relatively boosted. In such a scenario, we apply the jet substructure analysis of tagging the fat pseudoscalar and W jets in order to eliminate the standard model background efficiently. We perform a detailed detector simulation for the signal and background processes at the 14 TeV LHC. We introduce various kinematical cuts to determine the signal significance for a number of benchmark points with charged Higgs boson mass from 500 GeV to 1 TeV in the W±A decay channel. Finally we perform a multivariate analysis utilizing a boosted decision tree algorithm to optimize these significances.|
|Keywords:||Beyond standard model; Higgs physics|
|Rights:||Open Access, © The Authors. Article funded by SCOAP3.|
|Appears in Collections:||Physics publications|
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