Constraining superheavy decaying dark matter with directional ultra-high energy gamma-ray limits

Abstract

Dwarf spheroidal galaxies are compact stellar objects with small or negligible astrophysical backgrounds, widely considered as promising targets to search for a signal from the dark matter decay and annihilation. We present constraints on the lifetime of the superheavy decaying dark matter branching to the $q\bar{q}$ channel in the mass range $10^{19}-10^{25}$ eV based on the directional limits on the ultra-high-energy (UHE) gamma rays obtained by the Pierre Auger Observatory and the Telescope Array experiment. Attenuation effects during the propagation of UHE photons towards Earth are taken into account, with the strongest constraints derived for the Ursa Major II, Coma Berenices and Segue I galaxies.

arXiv comment7 pages, 4 figures

References in corpus (47)

• The Structure of Cold Dark Matter Halos
• Supersymmetric Dark Matter
• The Structure of Dark Matter Haloes in Dwarf Galaxies
• Searching for Dark Matter Annihilation from Milky Way Dwarf Spheroidal Galaxies with Six Years of Fermi-LAT Data
• The Diversity and Similarity of Simulated Cold Dark Matter Halos
• Implication of neutrino backgrounds on the reach of next generation dark matter direct detection experiments
• Analytical Models For Galactic Nuclei
• The role of sterile neutrinos in cosmology and astrophysics
• Empirical models for Dark Matter Halos. I. Nonparametric Construction of Density Profiles and Comparison with Parametric Models
• Observability of Gamma Rays from Dark Matter Neutralino Annihilations in the Milky Way Halo
• Ultra-high energy cosmic rays without GZK cutoff
• Weak Corrections are Relevant for Dark Matter Indirect Detection
• The Galactic Magnetic Field
• Limits to dark matter annihilation cross-section from a combined analysis of MAGIC and Fermi-LAT observations of dwarf satellite galaxies
• Primordial Black Holes as All Dark Matter
• Determination of fragmentation functions and their uncertainties
• A "Baedecker" for the Dark Matter Annihilation Signal
• Dwarf galaxy annihilation and decay emission profiles for dark matter experiments
• Dark matter annihilation and decay in dwarf spheroidal galaxies: The classical and ultrafaint dSphs
• From star clusters to dwarf galaxies: The properties of dynamically hot stellar systems
• The Nature of UCDs: Internal Dynamics from an Expanded Sample and Homogeneous Database
• Testing the Dark Matter Scenario for PeV Neutrinos Observed in IceCube
• Willman 1 - a probable dwarf galaxy with an irregular kinematic distribution
• Constraining Very Heavy Dark Matter Using Diffuse Backgrounds of Neutrinos and Cascaded Gamma Rays
• Dark Matter Constraints from a Joint Analysis of Dwarf Spheroidal Galaxy Observations with VERITAS
• On the Propagation of Extragalactic High Energy Cosmic and Gamma-Rays
• Search for dark matter annihilation signatures in H.E.S.S. observations of Dwarf Spheroidal Galaxies
• Dark Matter Limits From Dwarf Spheroidal Galaxies with The HAWC Gamma-Ray Observatory
• VERITAS Deep Observations of the Dwarf Spheroidal Galaxy Segue 1
• Spherical Jeans analysis for dark matter indirect detection in dwarf spheroidal galaxies - Impact of physical parameters and triaxiality
• A Global Analysis of Dark Matter Signals from 27 Dwarf Spheroidal Galaxies using 11 Years of Fermi-LAT Observations
• Fragmentation functions in SUSY QCD and UHECR spectra produced in top-down models
• Heavy decaying dark matter and IceCube high energy neutrinos
• Magnetising the circumgalactic medium of disk galaxies
• A Search for Point Sources of EeV Neutrons
• Constraining heavy decaying dark matter with the high energy gamma-ray limits
• Gamma-ray bounds from EAS detectors and heavy decaying dark matter constraints
• Constraints on the diffuse photon flux with energies above $10^{18}$ eV using the surface detector of the Telescope Array experiment
• Dark matter from scalar field fluctuations
• Probing heavy dark matter decays with multi-messenger astrophysical data
• A search for point sources of EeV photons
• A targeted search for point sources of EeV photons with the Pierre Auger Observatory
• Dark Matter and LHC: What is the Connection?
• Hadronically decaying heavy dark matter and high-energy neutrino limits
• Ultra-High Energy Cosmic Rays: a Window to Post-Inflationary Reheating Epoch of the Universe?
• Heavy decaying dark matter and large-scale anisotropy of high-energy cosmic rays
• Search for point sources of ultra-high energy photons with the Telescope Array surface detector

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• Dark Matter Spectra from the Electroweak to the Planck Scale
• Ultra-High-Energy Cosmic Rays: The Intersection of the Cosmic and Energy Frontiers
• Computation of Gravitational Particle Production Using Adiabatic Invariants
• Constraints on dark matter annihilation from the FAST observation of the Coma Berenices dwarf galaxy
• Constraining Axion-Like Particles Dark Matter in Coma Berenices with FAST