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Constraints on dark matter and the shape of the Milky Way dark halo from the 511-keV line

✍ Scribed by Y. Ascasibar; P. Jean; C. Bœhm; J. Knödlseder


Book ID
110840633
Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
399 KB
Volume
368
Category
Article
ISSN
0035-8711

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On the 511 keV emission line of pos
✍ Nikos Prantzos 📂 Article 📅 2008 🏛 Elsevier Science 🌐 English ⚖ 255 KB

I review our current understanding of positron sources in the Galaxy, on the basis of the reported properties of the observed 511 keV annihilation line. It is argued here that most of the disk positrons propagate away from the disk (due to the low density environment) and the resulting low surface b