Modified Higgs Boson Phenomenology from Gauge or Gaugino Mediation in the NMSSM

Abstract

In the Next-to-Minimal Supersymmetric Standard Model (NMSSM), the presence of light pseudoscalars can have a dramatic effect on the decays of the Standard Model-like Higgs boson. These pseudoscalars are naturally light if supersymmetry breaking preserves an approximate U(1)_R symmetry, spontaneously broken when the Higgs bosons take on their expectation values. We investigate two classes of theories that possess such an approximate U(1)_R at the mediation scale: deformations of gauge and gaugino mediation. In the models we consider, we find two disjoint classes of phenomenologically allowed parameter regions. One of these regions corresponds to a limit where the singlet of the NMSSM largely decouples. The other can give rise to a Standard Model-like Higgs boson with a dominant branching into light pseudoscalars.

35 pages, 10 figures

References in corpus (23)

• Search for Neutral MSSM Higgs Bosons at LEP
• Big-Bang Nucleosynthesis and Gravitino
• Stable Massive Particles at Colliders
• NMSPEC: A Fortran code for the sparticle and Higgs masses in the NMSSM with GUT scale boundary conditions
• Supersymmetry Breaking, R-Symmetry Breaking and Metastable Vacua
• Higgs Sector in Extensions of the MSSM
• The NMSSM Close to the R-symmetry Limit and Naturalness in $h\to aa$ Decays for $m_a<2\mb$
• Probing NMSSM Scenarios with Minimal Fine-Tuning by Searching for Decays of the Upsilon to a Light CP-Odd Higgs Boson
• The NMSSM Solution to the Fine-Tuning Problem, Precision Electroweak Constraints and the Largest LEP Higgs Event Excess
• Theory and Phenomenology of Exotic Isosinglet Quarks and Squarks
• Role of h --> eta eta in Intermediate-Mass Higgs Boson Searches at the Large Hadron Collider
• Natural mu and Bmu in gauge mediation
• Reinstating the 'no-lose' theorem for NMSSM Higgs discovery at the LHC
• Higgs Signal for h to aa at Hadron Colliders
• Constraints from the Muon g-2 on the Parameter Space of the NMSSM
• Dynamical mu Term in Gauge Mediation
• The constrained next-to-minimal supersymmetric standard model
• Neutralino Signatures of the Singlet Extended MSSM
• Phenomenology of the General NMSSM with Gauge Mediated Supersymmetry Breaking
• Dark Matter from Gaugino Mediation
• Higgs Boson Exempt No-Scale Supersymmetry and its Collider and Cosmology Implications
• Dynamically Solving the $\mu /B_{\mu }$ Problem in Gauge-mediated Supersymmetry Breaking
• ${\rm Y}\to \gamma A_1$ in the NMSSM at large tan beta

Cited by in corpus (8)

• Discovering the Higgs with Low Mass Muon Pairs
• Search for Higgs boson decays into two new low-mass spin-0 particles in the 4$b$ channel with the ATLAS detector using $pp$ collisions at $\sqrt{s}=13$ TeV
• Search for Higgs boson decays into a pair of pseudoscalar particles in the $bb\mu \mu$ final state with the ATLAS detector in $pp$ collisions at $\sqrt{s}=13$ TeV
• Light Higgsino Decays as a Probe of the NMSSM
• Search for Higgs bosons decaying into new spin-0 or spin-1 particles in four-lepton final states with the ATLAS detector with 139 fb${}^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV
• Search for decays of the Higgs boson into a pair of pseudoscalar particles decaying into $b\bar{b}{\tau }^{+}{\tau }^{-}$ using $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Curing tachyonic tree-level syndrome in NMSSM light-singlet scenarios
• Search for decays of the Higgs boson into scalar particles decaying into four or six $b$-quarks using $pp$ collisions at $\sqrt{s}=13\mathrm{TeV}$ with the ATLAS detector