The role of MSSM heavy Higgs production in the self coupling measurement of the 125 GeV Higgs boson at the LHC

Abstract

Measurement of the self coupling of 125 GeV Higgs boson is one of the most crucial tasks for high luminosity run of the LHC and it can only be measured in the di-Higgs final state. In the minimal supersymmetric standard model, heavy CP even Higgs ($H$) can decay into lighter 125 GeV Higgs boson ($h$) and therefore influence the di-Higgs production. We investigate the role of single $H$ production in the measurement of self coupling of $h$. We find that $H\to hh$ decay can nontrivially affect the $h$ self coupling measurement in low tan$\beta$ regime when the mass of the heavy Higgs boson lies between 250 - 600 GeV and depending on the parameter space it may be seen as an enhancement of the self coupling of 125 GeV Higgs boson.

20 pages, 3 figures; References added; Text updated with more detailed results and new figures, To appear in Phys. Rev. D

References in corpus (12)

• Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
• Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
• PYTHIA 6.4 Physics and Manual
• Parton distributions for the LHC
• Observation of the diphoton decay of the Higgs boson and measurement of its properties
• SusHi: A program for the calculation of Higgs production in gluon fusion and bottom-quark annihilation in the Standard Model and the MSSM
• Measurement of Higgs boson production in the diphoton decay channel in $pp$ collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector
• Measurements of Higgs boson production and couplings in the four-lepton channel in $pp$ collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector
• Search for the $b\bar{b}$ decay of the Standard Model Higgs boson in associated $(W/Z)H$ production with the ATLAS detector
• Heavy-quark mass dependence in global PDF analyses and 3- and 4-flavour parton distributions
• New Physics in LHC Higgs boson pair production
• Higgs pair production via gluon fusion in the Two-Higgs-Doublet Model

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• Invisible Decays in Higgs Pair Production
• Study of MSSM heavy Higgs bosons decaying into charginos and neutralinos
• Measuring the trilinear Higgs boson self--coupling at the 100 TeV hadron collider via multivariate analysis
• Higgs, di-Higgs and tri-Higgs production via SUSY processes at the LHC with 14 TeV