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On the origin of the 511-keV emission in the Galactic Centre

โœ Scribed by Reba M. Bandyopadhyay; Joseph Silk; James E. Taylor; Thomas J. Maccarone


Book ID
110847409
Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
167 KB
Volume
392
Category
Article
ISSN
0035-8711

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๐Ÿ“œ SIMILAR VOLUMES


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โœ Uchida, Y.; Shibata, K.; Sofue, Y. ๐Ÿ“‚ Article ๐Ÿ“… 1985 ๐Ÿ› Nature Publishing Group ๐ŸŒ English โš– 387 KB
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