A no-go theorem for the dark matter interpretation of the positron anomaly
High Energy Astrophysical Phenomena
2016-07-11 v2 High Energy Physics - Phenomenology
Abstract
The overabundance of high-energy cosmic positrons, observed by PAMELA and AMS-02, can be considered as the consequence of dark matter decays or annihilations. We show that recent FERMI/LAT measurements of the isotropic diffuse gamma-ray background impose severe constraints on dark matter explanations and make them practically inconsistent.
Cite
@article{arxiv.1607.02047,
title = {A no-go theorem for the dark matter interpretation of the positron anomaly},
author = {Maxim Laletin},
journal= {arXiv preprint arXiv:1607.02047},
year = {2016}
}
Comments
5 pages, 4 figures; talk given at the 5th Young Researchers Workshop "Physics Challenges in the LHC Era", Frascati, May 9 and 12, 2016