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High Energy Electron Signals from Dark Matter Annihilation in the Sun

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arxiv 0910.1839 v2 pith:2A4NHDNL submitted 2009-10-12 hep-ph astro-ph.HE

Philip Schuster , Natalia Toro , Neal Weiner , Itay Yavin This is my paper · ORCID
classification hep-phastro-ph.HE
keywords darkmatterelectronsenergyfermifieldshighobserved
verification ladder T0 review T1 audit T2 compute T3 formal
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In this paper we discuss two mechanisms by which high energy electrons resulting from dark matter annihilations in or near the Sun can arrive at the Earth. Specifically, electrons can escape the sun if DM annihilates into long-lived states, or if dark matter scatters inelastically, which would leave a halo of dark matter outside of the sun. Such a localized source of electrons may affect the spectra observed by experiments with narrower fields of view oriented towards the sun, such as ATIC, differently from those with larger fields of view such as Fermi. We suggest a simple test of these possibilities with existing Fermi data that is more sensitive than limits from final state radiation. If observed, such a signal will constitute an unequivocal signature of dark matter.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Complementary Planetary Spectroscopy Probes of Dark Matter

    hep-ph 2025-08 conditional novelty 6.0 of 10

    Dark matter annihilation energy deposited in planetary atmospheres and interiors, compared against existing UV airglow and heat flow measurements, yields new sub-GeV scattering constraints and long-lived mediator reach.

  2. Can a Dark Inferno Melt Earth's Core?

    hep-ph 2025-05 conditional novelty 6.0 of 10

    Dark matter annihilation inside Earth would melt a substantial fraction of the inner core for cross sections previously allowed by surface heat-flow limits.

  3. The Southern Wide-Field Gamma-Ray Observatory (SWGO): A Next-Generation Ground-Based Survey Instrument for VHE Gamma-Ray Astronomy

    astro-ph.IM 2019-07 unverdicted novelty 4.0 of 10

    SWGO is proposed as a wide-field VHE gamma-ray survey instrument with a compact inner detector array and sparser outer array, estimated at 54M USD construction cost and full operations by 2026.

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