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The 511 keV annihilation line from binaries

โœ Scribed by Wu Mei; Zhang Chun-sheng; Li Ti-bei


Book ID
103652988
Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
290 KB
Volume
17
Category
Article
ISSN
0275-1062

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On the 511 keV emission line of pos
โœ Nikos Prantzos ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 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