Gamma ray signatures of ultra high energy cosmic ray sources

Details Gamma ray signatures of ultra high energy cosmic ray sources Gamma ray signatures of ultra high energy cosmic ray sources

Nov 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..801...80g&link_type=abstract

ASTROPHYSICAL SOURCES OF HIGH ENERGY PARTICLES AND RADIATION. AIP Conference Proceedings, Volume 801, pp. 80-81 (2005).

Astronomy and Astrophysics

Astrophysics

Cosmic Ray Origin, Gamma-Ray Sources (Astronomical), Cosmic Background Radiation, Cosmic Ray Propagation, Cosmic Rays, Gamma-Ray Sources, Gamma-Ray Bursts

Scientific paper

We discuss the possibility of observing distant accelerators of ultra high energy cosmic rays (UHECR) in synchrotron gamma rays. Protons propagating away from their acceleration site produce extremely energetic electrons during photopion interactions with cosmic microwave background (CMB) photons. If the magnetic field close to the accelerator is at the nG level, the synchrotron radiation from these electrons appears to a distant observer as a point-like GeV source.

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