Enhanced neutrino signals from dark matter annihilation in the Sun via metastable mediators
arXiv:1102.2958 · doi:10.1088/1475-7516/2011/04/003
Abstract
We calculate the neutrino signal resulting from annihilation of secluded dark matter in the Sun. In this class of models, dark matter annihilates first into metastable mediators, which subsequently decay into Standard Model particles. If the mediators are long lived, they will propagate out from the dense solar core before decaying. High energy neutrinos undergo absorption in the Sun. In the standard scenario in which neutrinos are produced directly in the centre of the Sun, absorption is relevant for E > 100 GeV, resulting in a significant suppression of the neutrino spectrum beyond E ~ 1 TeV. In the secluded dark matter scenario, the neutrino signal is greatly enhanced because neutrinos are injected away from the core, at lower density. Since the solar density falls exponentially with radius, metastable mediators have a significant effect on the neutrino flux, even for decay lengths which are small compared to the solar radius. Moreover, since neutrino detection cross sections grow with energy, this enhancement of the high energy region of the neutrino spectrum would have a large effect on overall event rates.
arXiv comment20 pages, 8 figures
References in corpus (34)
- A Theory of Dark Matter
- Secluded WIMP Dark Matter
- New solar opacities, abundances, helioseismology, and neutrino fluxes
- Ultrahigh-Energy Neutrino Interactions
- Three-flavour neutrino oscillation update
- Neutrino Interactions at Ultrahigh Energies
- Astrophysical Signatures of Secluded Dark Matter
- Sensitivity of the IceCube Detector to Astrophysical Sources of High Energy Muon Neutrinos
- Exciting Dark Matter and the INTEGRAL/SPI 511 keV signal
- Search for Dark Matter WIMPs using Upward Through-going Muons in Super-Kamiokande
- Measuring Flavor Ratios of High-Energy Astrophysical Neutrinos
- Prospects for Indirect Detection of Neutralino Dark Matter
- Observables sensitive to absolute neutrino masses. II
- Limits on a muon flux from neutralino annihilations in the Sun with the IceCube 22-string detector
- Propagation of Muons and Taus at High Energies
- Neutrinos from WIMP Annihilations Obtained Using a Full Three-Flavor Monte Carlo Approach
- Spectra of neutrinos from dark matter annihilations
- Indirect Detection of Dark Matter in km-size Neutrino Telescopes
- Nonabelian dark matter: models and constraints
- Indirect Search for Neutralino Dark Matter with High Energy Neutrinos
- Solar Gamma Rays Powered by Secluded Dark Matter
- Searching for Relic Neutralinos using Neutrino Telescopes
- Indirect Neutralino Detection Rates in Neutrino Telescopes
- Predictions for high energy neutrino cross-sections from the ZEUS global PDF fits
- Neutralino Dark Matter beyond CMSSM Universality
- Phenomenology of Dark Matter annihilation into a long-lived intermediate state
- High Energy Electron Signals from Dark Matter Annihilation in the Sun
- Neutrino Indirect Detection of Neutralino Dark Matter in the CMSSM
- Combining the data of annual modulation effect in WIMP direct detection with measurements of WIMP indirect searches
- High-energy neutrino fluxes from supermassive dark matter
- Secondary Neutrinos from Tau Neutrino Interactions in Earth
- Astrophysical-Neutrino Detection with Angular and Energy Resolution
- Probing the Desert with Ultra--Energetic Neutrinos from the Sun and the Earth
- Limits on a muon flux from Kaluza-Klein dark matter annihilations in the Sun from the IceCube 22-string detector
Cited by in corpus (50)
- Realistic neutron star constraints on bosonic asymmetric dark matter
- Heating up Neutron Stars with Inelastic Dark Matter
- Improved Treatment of Dark Matter Capture in Neutron Stars
- Powerful Solar Signatures of Long-Lived Dark Mediators
- Capture of Leptophilic Dark Matter in Neutron Stars
- Dark matter in the Sun: scattering off electrons vs nucleons
- Warming Nuclear Pasta with Dark Matter: Kinetic and Annihilation Heating of Neutron Star Crusts
- Celestial-Body Focused Dark Matter Annihilation Throughout the Galaxy
- Solar Atmospheric Neutrinos: A New Neutrino Floor for Dark Matter Searches
- Improved Treatment of Dark Matter Capture in Neutron Stars II: Leptonic Targets
- Asymmetric thermal-relic dark matter: Sommerfeld-enhanced freeze-out, annihilation signals and unitarity bounds
- Improved Treatment of Dark Matter Capture in Neutron Stars III: Nucleon and Exotic Targets
- Constraints on Spin-Dependent Dark Matter Scattering with Long-Lived Mediators from TeV Observations of the Sun with HAWC
- Improved Treatment of Dark Matter Capture in White Dwarfs
- Search for GeV-scale Dark Matter Annihilation in the Sun with IceCube DeepCore
- Solar -rays as a Complementary Probe of Dark Matter
- Evidence for a New Component of High-Energy Solar Gamma-Ray Production
- Tidal Love Numbers of Novel and Admixed Celestial Objects
- A search for Secluded Dark Matter in the Sun with the ANTARES neutrino telescope
- Search for dark matter signatures in the gamma-ray emission towards the Sun with the Fermi Large Area Telescope
- Unexpected Dip in the Solar Gamma-Ray Spectrum
- Solar Gamma Ray Constraints on Dark Matter Annihilation to Secluded Mediators
- Neutrinos in IceCube/KM3NeT as probes of Dark Matter Substructures in Galaxy Clusters
- Neutrinos from captured dark matter annihilation in a galactic population of neutron stars
- First HAWC Observations of the Sun Constrain Steady TeV Gamma-Ray Emission
- A search for dark matter cosmic-ray electrons and positrons from the Sun with the Fermi Large Area Telescope
- Solar neutrino physics
- Jupiter missions as probes of dark matter
- Neutrino signals from electroweak bremsstrahlung in solar WIMP annihilation
- Gamma rays from dark mediators in white dwarfs
- Evaporation Barrier for Dark Matter in Celestial Bodies
- aro: a tool for neutrino flux generation from WIMPs
- Constraining Secluded Dark Matter models with the public data from the 79-string IceCube search for dark matter in the Sun
- Solar constraints on captured electrophilic dark matter
- Optimal Celestial Bodies for Dark Matter Detection
- A Solar System Test of Self-Interacting Dark Matter
- Singularities in the Gravitational Capture of Dark Matter through Long-Range Interactions
- Dark Matter (H)eats Young Planets
- Exploring the singlet scalar dark matter from direct detections and neutrino signals via its annihilation in the Sun
- Dark Gamma Ray Bursts
- Long-Lived Particles and the Quiet Sun
- Probing the Dark Matter Capture Rate in a Local Population of Brown Dwarfs with IceCube Gen 2
- Super-Kamiokande Strongly Constrains Leptophilic Dark Matter Capture in the Sun
- Sub-GeV Dark Matter Direct Detection with Neutrino Observatories
- Dark Dwarfs: Dark Matter-Powered Sub-Stellar Objects Awaiting Discovery at the Galactic Center
- Searching for Dark Matter in the Sun using Hyper-Kamiokande
- Dark matter scattering in astrophysical media: collective effects
- Can local White Dwarfs constrain Dark Matter interactions?
- Constraints on dark matter scattering with long lived mediators from observations of the Sun with the Fermi Large Area Telescope
- Impact of Sub-MeV Dark Matter on the Cooling of Pulsating White Dwarfs