MSSM Higgs Bosons at The LHC

Abstract

Accepting the existence of a SM-like Higgs boson in the range 123GeV-127GeV as indicated by the observed ga,ga events, there are two distinct regions left in the Minimal Supersymmetric (SUSY) Standard Model (MSSM) Higgs sector: (a) the lighter CP-even Higgs boson SM-like and the non-SM-like Higgs bosons all heavy and nearly degenerate above 300GeV; (b) the heavier CP-even Higgs boson being SM-like and the neutral non-SM-like Higgs bosons all nearly degenerate around 100GeV (a non-decoupling region). Due to the strong correlation between the Higgs decays to W+W- and to ga,ga predicted in the MSSM, the deficit of a W+W- final state signal would be in direct conflict with the ga,ga peak. If we consider W+W- on its own, the absence of the W+W- signal would imply that the SM-like Higgs boson has reduced coupling to W+-, and that the other non-SM-like Higgs bosons should not be too heavy and do not decouple. If both the ga,ga excess and the absence of W+W- continue, new physics beyond the MSSM will be required. A similar correlation exists between the W+W- and tau+tau- channels: a reduced W+W- channel would force the tau+tau- channel to be larger. Future searches for the SM-like Higgs boson at the LHC will provide critical tests for the MSSM prediction. We emphasize the potential importance of the electroweak processes pp->H+H-, H+-A0, which are independent of the SUSY parameters except for their masses. In addition, there may be sizable contributions from pp->H+-h0, A0h0 and W+-H0, ZH0 in the non-decoupling region, which may serve to discriminate the model parameters. We vary the relevant SUSY parameters in a broad range and demonstrate the correlations and constraints on these parameters and associated SUSY particles.

33 pages, 14 figures, minor revisions for journal

References in corpus (7)

• Estimate of BR(B -> X_s gamma) at O(alpha_s^2)
• Combined search for the Standard Model Higgs boson using up to 4.9 fb-1 of pp collision data at sqrt(s) = 7 TeV with the ATLAS detector at the LHC
• NNLO QCD corrections to the B -> X_s gamma matrix elements using interpolation in m_c
• A Twisted Custodial Symmetry in the Two-Higgs-Doublet Model
• Light MSSM Higgs boson scenario and its test at hadron colliders
• Search for Heavy Neutral MSSM Higgs Bosons with CMS: Reach and Higgs-Mass Precision
• Implications of the Higgs Discovery in the MSSM Golden Region

Cited by in corpus (21)

• Precision Measurements of Higgs Couplings: Implications for New Physics Scales
• Indirect Probes of the MSSM after the Higgs Discovery
• The 125 GeV Higgs in the NMSSM in light of LHC results and astrophysics constraints
• Exploring the Higgs Sector of a Most Natural NMSSM and its Prediction on Higgs Pair Production at the LHC
• Vacuum Stability Constraints on the Enhancement of the Higgs to Diphoton Rate in the MSSM
• Little Higgs theory confronted with the LHC Higgs data
• Phenomenology of the minimal supersymmetric $U(1{)}_{B-L}\times U(1{)}_R$ extension of the standard model
• Triplet-Singlet Extension of the MSSM with a 125 Gev Higgs and Dark Matter
• Potential precision of a direct measurement of the Higgs boson total width at a muon colliderr
• Optimising Stop Naturalness
• $SU(2)\otimes SU(2)$ Gauge Extensions of the MSSM Revisited
• Implications on the Heavy CP-even Higgs Boson from Current Higgs Data
• Robustness of dark matter constraints and interplay with collider searches for New Physics
• Diphoton Rate of the Standard-Model-Like Higgs Boson in the Extra U(1) Extended MSSM
• Higgs-strahlung production process e^+ e^- \to Z h at the future Higgs factory in the Minimal Dilaton Model
• Invisible decays of the heavier Higgs boson in the minimal supersymmetric standard model
• Anatomy of Higgs mass in Supersymmetric Inverse Seesaw Models
• Gigantic diphoton rate of heavy Higgs bosons in the aligned two Higgs doublet models with small $\tan \beta$
• Invisible decays of low mass Higgs bosons in supersymmetric models
• 125 GeV Higgs from Tree-Level $A$-terms
• Heavy Higgs Bosons at the LHC Upgrade