Galactic positrons and electrons from dark matter and astrophysical sources

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

2009-07-25

arxiv.org/abs/0907.4433v1

Nuclear Inst. and Methods in Physics Research, A 630 (2011) pp. 70-73

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

4 pages, 2 figures. Conference RICAP'09 (May 2009)

Scientific paper

10.1016/j.nima.2010.06.030

The electron and positron cosmic rays observations have impulsed a hot debate regarding the origin of such particles. Their propagation in the galactic medium is modeled according to a successfully tested two--zone propagation model. The theoretical uncertainties related to their propagation and production are studied for three cases: secondary production, Dark Matter annihilation, and originating from supernovae remnants.

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