Can One See Gamma Rays from the Single Source Responsible for the Knee?

Details Can One See Gamma Rays from the Single Source Responsible for the Knee? Can One See Gamma Rays from the Single Source Responsible for the Knee?

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003icrc....4.2349e&link_type=abstract

Proceedings of the 28th International Cosmic Ray Conference. July 31-August 7, 2003. Trukuba, Japan. Under the auspices of the I

Physics

2

Scientific paper

Some 6 years ago, we proposed the `single source model' in which a local, recent supernova remnant (SNR) was responsible for the `knee' in the cosmic ray (CR) energy spectrum at ˜ 3 PeV [3]. In this paper we study the possibility of observing that SNR in gamma rays and conclude that its non-observation is due to the SNR being local and in a low density region. Furthermore, being nearby it is an extended source, o ccupying up to 40° region of the sky, and indistinguishable from the background.

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