Galactic positrons and electrons from astrophysical sources and dark matter

Details Galactic positrons and electrons from astrophysical sources and dark matter Galactic positrons and electrons from astrophysical sources and dark matter

2009-10-14

arxiv.org/abs/0910.2671v1

J. Phys.: Conf. Ser. 203 012051 (2010)

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

3 pages, 1 figure. Proceedings for conference "Topics in Astroparticle and Underground Physics" (TAUP2009). Rome, July 1-5, 20

Scientific paper

10.1088/1742-6596/203/1/012051

A very interesting puzzle about the origin of electron and positron cosmic rays is deduced from the latests experimental results. We model the propagation of such cosmic rays in terms of a successfully tested two--zone propagation model. Several theoretical uncertainties -- like ones related to propagation -- are considered to study different types of electron and positron sources: dark matter annihilation, secondary production, and supernova remnants.

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