A further look at particle annihilation in dark matter caustics

Abstract

Dark matter caustics are small scale, high density structures believed to exist in galaxies like ours. If the dark matter consists of Weakly Interacting Massive Particles, these caustics may be detected by means of the gamma rays produced by dark matter particle annihilation. We discuss particle annihilation in outer and inner caustics and provide sky maps of the expected gamma ray distribution.

arXiv commentMinor changes, Introduction expanded, references added, accepted for publication in Phys. Rev. D

References in corpus (26)

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Cited by in corpus (12)

• Galactic Searches for Dark Matter
• Streams and caustics: the fine-grained structure of LCDM haloes
• The Caustic Ring Model of the Milky Way Halo
• Dark matter and pulsar signals for Fermi LAT, PAMELA, ATIC, HESS and WMAP data
• Caustics in growing Cold Dark Matter Haloes
• Origami constraints on the initial-conditions arrangement of dark-matter caustics and streams
• Dense Dark Matter Hairs Spreading Out from Earth, Jupiter and Other Compact Bodies
• Gravitational focusing effects on streaming dark matter as a new detection concept
• Seen and unseen tidal caustics in the Andromeda galaxy
• Caustics, cold flows, and annual modulation
• Tessellating the cosmological dark-matter sheet: origami creases in the universe and ways to find them
• Recombination era magnetic fields from axion dark matter