by Carolyn Kierans, John F. Beacom, Steve Boggs, Matthew Buckley, Regina Caputo, Roland Crocker, Michael De Becker, Roland Diehl, Chris L Fryer, Sean Griffin, Dieter Hartmann, Elizabeth Hays, Pierre Jean, Martin G. H. Krause, Tim Linden, Alexandre Marcowith, Pierrick Martin, Alexander Moiseev, Uwe Oberlack, Elena Orlando, Fiona Panther, Nikos Prantzos, Richard Rothschild, Ivo Seitenzahl, Chris Shrader, Thomas Siegert, Andy Strong, John Tomsick, W. Thomas Vestrand, and Andreas Zoglauer
Published onMay 31, 2019
Positron Annihilation in the Galaxy
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Abstract
The 511 keV line from positron annihilation in the Galaxy was detected ~50 years ago, but the source of positrons is still unconfirmed and remains one of the enduring mysteries in gamma-ray astronomy. We will summarize the current knowledge base of Galactic positrons, and discuss how next-generation instruments could finally provide the answers.
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