Supersymmetric Sub-Electroweak Scale Dark Matter, the Galactic Center Gamma-ray Excess, and Exotic Decays of the 125 GeV Higgs Boson

Abstract

We continue our exploration of the nearly Peccei-Quinn symmetric limit shared by common singlet extensions of the Minimal Supersymmetric Standard Model. This limit has been established as a viable framework for studying sub-electroweak scale dark matter phenomenology and has interesting and direct connections to new exotic Higgs decay physics. We present analytic calculations to motivate the important phenomenological features mentioned above. We also discuss benchmark points in this model framework that accommodate the observed Galactic Center gamma ray excess. We emphasize connections between phenomenology of dark matter direct detection and indirect detection, and new exotic decay channels for the 125 GeV Higgs boson. We conclude by identifying two benchmark modes of exotic Higgs decays for $h \to τ^+ τ^- \mbox{${\not\! E}_{\rm T}$}$ and $h \to b \bar{b} \mbox{${\not\! E}_{\rm T}$}$ final states and estimate their sensitivity prospects at the LHC.

16 pages, 10 figures; v2, minor edits, references added

References in corpus (34)

• 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
• Dark Matter Results from 225 Live Days of XENON100 Data
• New results from DAMA/LIBRA
• The Tevatron at the Frontier of Dark Matter Direct Detection
• Simplified Dark Matter Models for the Galactic Center Gamma-Ray Excess
• A Renormalizable Model for the Galactic Center Gamma Ray Excess from Dark Matter Annihilation
• NMSPEC: A Fortran code for the sparticle and Higgs masses in the NMSSM with GUT scale boundary conditions
• Higgs Sector in Extensions of the MSSM
• Cosmic Ray Protons in the Inner Galaxy and the Galactic Center Gamma-Ray Excess
• Hidden On-Shell Mediators for the Galactic Center Gamma-Ray Excess
• A Consistent Dark Matter Interpretation For CoGeNT and DAMA/LIBRA
• Flavored Dark Matter and the Galactic Center Gamma-Ray Excess
• Higgs portal vector dark matter for $\mathrm{GeV}$ scale $\gamma$-ray excess from galactic center
• Enhancement of Dark Matter Annihilation via Breit-Wigner Resonance
• The windows for kinetically mixed Z'-mediated dark matter and the galactic center gamma ray excess
• Galactic Center Gamma-Ray Excess from Dark Matter Annihilation: Is There A Black Hole Spike?
• A weighty interpretation of the Galactic Centre excess
• Hidden Sector Dark Matter Models for the Galactic Center Gamma-Ray Excess
• DAMA and WIMP dark matter
• NMSSM Interpretation of the Galactic Center Excess
• The Galactic Center Excess from the Bottom Up
• Can neutralinos in the MSSM and NMSSM scenarios still be light?
• Light Neutralino Dark Matter: Direct/Indirect Detection and Collider Searches
• Low-mass right-handed sneutrino dark matter: SuperCDMS and LUX constraints and the Galactic Centre gamma-ray excess
• Light Neutralinos with Large Scattering Cross Sections in the Minimal Supersymmetric Standard Model
• Particle Physics Implications for CoGeNT, DAMA, and Fermi
• Light Neutralino Dark Matter in the pMSSM: Implications of LEP, LHC and Dark Matter Searches on SUSY Particle Spectra
• Bounds on dark matter interpretation of Fermi-LAT GeV excess
• Light Higgs Boson, Light Dark Matter and Gamma Rays
• Light neutralino dark matter with a very light Higgs for CoGeNT and DAMA/LIBRA data
• Anatomizing Exotic Production of the Higgs Boson
• Nonstandard Higgs Decays with Visible and Missing Energy

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• A taste of dark matter: Flavour constraints on pseudoscalar mediators
• WIMPs at the Galactic Center
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• The Gamma-Ray Pulsar Population of Globular Clusters: Implications for the GeV Excess
• Towards a Supersymmetric Description of the Fermi Galactic Center Excess
• SUSY explanation of the Fermi Galactic Center Excess and its test at LHC Run-II
• Annihilating Asymmetric Dark Matter
• SUSY Implications from WIMP Annihilation into Scalars at the Galactic Centre
• NMSSM explanations of the Galactic center gamma ray excess and promising LHC searches
• The interpretation for Galactic Center Excess and Electroweak Phase Transition in the NMSSM
• Probing the $\mu \nu$SSM with light scalars, pseudoscalars and neutralinos from the decay of a SM-like Higgs boson at the LHC
• $SU(2{)}_X$ Vector DM and Galactic Center Gamma-Ray Excess
• Galactic Center Gamma-Ray Excess through a Dark Shower
• Light Higgsino Decays as a Probe of the NMSSM
• Constraining dark matter in the LRTH model with latest LHC, XENON100 and LUX data