Two-loop radiative seesaw with multicomponent dark matter explaining the possible gamma excess in the Higgs boson decay and at the Fermi LAT

Abstract

A non-supersymmetric model of a two-loop radiative seesaw is proposed. The model contains, in addition to the standard model (SM) Higgs boson, an inert SU(2)_L doublet scalar eta and two inert singlet scalars phi and chi. The lepton number is softly broken by a dimension-two operator, and the tree-level Dirac mass is forbidden by Z_2 x Z_2' (or D_{2N}), which predicts the existence of two or three dark matter particles. The scalar sector is minimal; none of the scalar fields can be suppressed for the radiative seesaw mechanism to work. There are by-products: The SM Higgs boson decay into two gamma's is slightly enhanced by eta^+ (the charged component of eta) circulating in one-loop diagrams for h to gamma gamma. The 135 GeV gamma-ray line observed at the Fermi LAT can be also explained by the annihilation of chi dark matter. We employ a mechanism of temperature-dependent annihilation cross section to suppress the continuum gamma rays and the production of antiprotons. The explanation can survive even down to the XENON1T sensitivity limit.

20 pages, 10 figures, version accepted by Physical Review D

References in corpus (30)

• 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
• Dark Matter Results from 225 Live Days of XENON100 Data
• Improved Naturalness with a Heavy Higgs: An Alternative Road to LHC Physics
• A Tentative Gamma-Ray Line from Dark Matter Annihilation at the Fermi Large Area Telescope
• Neutrino mass, Dark Matter and Baryon Asymmetry via TeV-Scale Physics without Fine-Tuning
• Constraints on WIMP Dark Matter from the High Energy PAMELA $\bar{p}/p$ data
• Fermi LAT Search for Dark Matter in Gamma-ray Lines and the Inclusive Photon Spectrum
• Cold Dark Matter, Radiative Neutrino Mass, mu to e gamma, and Neutrinoless Double Beta Decay
• The Inert Dark Matter
• A new viable region of the inert doublet model
• A Model of TeV Scale Physics for Neutrino Mass, Dark Matter and Baryon Asymmetry and its Phenomenology
• Fermi 130 GeV gamma-ray excess and dark matter annihilation in sub-haloes and in the Galactic centre
• Antimatter Signatures of Gravitino Dark Matter Decay
• Multi-Component Dark Matter Systems and Their Observation Prospects
• 130 GeV gamma-ray line and enhancement of $h\to \gamma \gamma$ in the Higgs triplet model plus a scalar dark matter
• Two Lines or Not Two Lines? That is the Question of Gamma Ray Spectra
• Decaying vs Annihilating Dark Matter in Light of a Tentative Gamma-Ray Line
• 130 GeV dark matter and the Fermi gamma-ray line
• Three Exceptions for Thermal Dark Matter with Enhanced Annihilation to Gamma Gamma
• Illuminating the 130 GeV Gamma Line with Continuum Photons
• Recipes and Ingredients for Neutrino Mass at Loop Level
• Probing Gravitino Dark Matter with PAMELA and Fermi
• Multiple Gamma Lines from Semi-Annihilation
• Radiative Two Loop Inverse Seesaw and Dark Matter
• Neutrino Masses from Loop-induced $d\ge 7$ Operators
• PAMELA and FERMI-LAT limits on the neutralino-chargino mass degeneracy
• The 130 GeV gamma-ray line and generic dark matter model building constraints from continuum gamma rays, radio and antiproton data
• SU(5) Completion of the Dark Scalar Doublet Model of Radiative Neutrino Mass
• Effect of Charged Scalar Loops on Photonic Decays of a Fermiophobic Higgs

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