Can annihilating Dark Matter be lighter than a few GeVs?

Preprint

26 June 2003

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.astro-ph/0208458

Abstract

We estimate the gamma ray fluxes from the residual annihilations of Dark Matter particles having a mass mdm \in [MeV, O(GeV)] and compare them to observations. We find that particles lighter than O(100 MeV) are excluded unless their cross section is S-wave suppressed.

Keywords

ANNIHILATING DARK MATTER
ANNIHILATIONS OF DARK
PARTICLES LIGHTER
LIGHTER THAN
DARK MATTER
MASS MDM
GEV

All Related Versions

Version 1, 2002-08-26, ArXiv
Version 2, 2002-10-28, ArXiv
Version 3, 2003-06-26, ArXiv
Published version: Journal of Physics G: Nuclear and Particle Physics, 30 (3), 279.

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