Data Centre for Astrophysics
Astronomy Department of the University of Geneva
ISDC Seminar

Tuesday, 9 October 2007 at 11:00

Susumu Inoue
National Astronomical Observatory of Japan

Hard X-ray Emission from High Energy Nonthermal Processes in Clusters of Galaxies

Abstract. There are good reasons to believe that clusters of galaxies contain different populations of high-energy particles that can lead to interesting nonthermal X- ray and gamma-ray emission. I will discuss various theoretical possibilities for hard X-ray emission from electrons, protons and their secondary products, the observational prospects, and their relation to GeV-TeV gamma-ray and ultra-high-energy cosmic ray production.

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