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Gamma rays from clusters of galaxies (1992)

Vestrand, W. Thomas

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Publication Date: 2019-01-25

Description: The possibility that Coma-type radio halos are powered by secondary electrons produced during the decay of energetic charge pions is examined. These pions are generated by the collision of cosmic ray protons with thermal ions in the intracluster medium. A calculation of both the cosmic ray concentration and the spectrum needed to power the halo in the Coma cluster is presented. The gamma-ray flux is predicted and it is shown that this model can be tested with the Gamma Ray Observatory Energetic Gamma Ray Experiment Telescope.

Keywords: SPACE RADIATION

Type: NASA. Goddard Space Flight Center, The Compton Observatory Science Workshop; p 355

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