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Cosmogenic photons as a test of ultra-high energy cosmic ray composition

✍ Scribed by Dan Hooper; Andrew M. Taylor; Subir Sarkar


Book ID
108068622
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
313 KB
Volume
34
Category
Article
ISSN
0927-6505

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## Abstract We discuss the possibility of observing distant accelerators of ultra high energy cosmic rays in synchrotron gamma rays. Protons propagating away from their acceleration sites produce extremely energetic electrons during photo‐pion interactions with cosmic microwave background photons.