Light Dark Matter Annihilations into Two Photons

Abstract

We compute the pair annihilation cross section of light (spin-0) dark matter particles into two photons and discuss the detectability of the monochromatic line associated with these annihilations.

7 pages

References in corpus (3)

• Gamma-ray continuum emission from the inner Galactic region as observed with INTEGRAL/SPI
• Constraints on Light Dark Matter From Core-Collapse Supernovae
• 511 keV line and diffuse gamma rays from moduli

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• Dark Matter Candidates: A Ten-Point Test
• Constraining DM properties with SPI
• Sterile neutrino dark matter in $B-L$ extension of the standard model and galactic 511 keV line
• Search with EGRET for a Gamma Ray Line from the Galactic Center
• MeV Right-handed Neutrinos and Dark Matter
• Dark Matter: the Connection with Gamma-Ray Astrophysics
• An Experiment to Search for Light Dark Matter in Low-Energy ep Scattering