A light CP-odd Higgs boson of the MSSM Higgs sector extended by dimension-six operators

Abstract

The possibility of identification of an observable CMS ${\mu }^{+}{\mu }^{-}$ excess at 28 GeV in the channel $pp\to {\mu }^{+}{\mu }^{-}b\bar{b}$ at $\sqrt{s}$=8 TeV and 13 TeV as a manifestation of one of the minimal supersymmetric standard model (MSSM) Higgs bosons is investigated. The MSSM parametric scenarios in the regime of large threshold corrections involving low-mass CP-odd scalar, a 125 GeV CP-even scalar and other Higgs bosons with suitable masses are found, where the alignment limit conditions for the Higgs couplings are respected. Perturbative unitarity bounds and constraints on the electroweak vacuum stability are discussed in the regime of substantial couplings with the top- and bottom superpartners. LHC phenomenology including top-quark decay in such a regime is analyzed.

arXiv comment14 pages, 5 tables, 1 figure

References in corpus (23)

• 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
• The Anatomy of Electro-Weak Symmetry Breaking. II: The Higgs bosons in the Minimal Supersymmetric Model
• Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC $pp$ collision data at $\sqrt{s}=$ 7 and 8 TeV
• CompHEP 4.4 - Automatic Computations from Lagrangians to Events
• Note on tree-level unitarity in the General Two Higgs Doublet Model
• The Renormalization-Group Improved Higgs Sector of the Minimal Supersymmetric Model
• Weak Radiative Decays of the B Meson and Bounds on $M_{H^{\pm }}$ in the Two-Higgs-Doublet Model
• Renormalization-Group-Improved Effective Potential for the MSSM Higgs Sector with Explicit CP Violation
• Tree-level unitarity constraints in the most general 2HDM
• Measurements of properties of the Higgs boson decaying into the four-lepton final state in pp collisions at sqrt(s) = 13 TeV
• CompHEP - a package for evaluation of Feynman diagrams and integration over multi-particle phase space. User's manual for version 33
• Bounding the Higgs width at the LHC using full analytic results for gg -> 2e 2μ
• Search for a charged Higgs boson in pp collisions at sqrt(s) = 8 TeV
• Search for charged Higgs bosons decaying via $H^{\pm }\to {\tau }^{\pm }\nu$ in fully hadronic final states using $pp$ collision data at $\sqrt{s}=8$ TeV with the ATLAS detector
• Complementarity Between Non-Standard Higgs Searches and Precision Higgs Measurements in the MSSM
• Higgs Bosons in the Two-Doublet Model with CP Violation
• Search for a light pseudoscalar Higgs boson produced in association with bottom quarks in pp collisions at sqrt(s) = 8 TeV
• Search for a light CP-odd Higgs boson and low-mass dark matter at the Belle experiment
• Search for a low-mass ${\tau }^{-}{\tau }^{+}$ resonance in association with a bottom quark in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Search for resonances in the mass spectrum of muon pairs produced in association with b quark jets in proton-proton collisions at $\sqrt{s}=$ 8 and 13 TeV
• Dimuon resonance near 28 GeV and muon anomaly
• Radiative corrections to Higgs masses for the MSSM Higgs potential with the dimension-six operators