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Gamma-Ray Emission from Supernova Remnants

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Cosmic Gamma-Ray Sources

Part of the book series: Astrophysics and Space Science Library ((ASSL,volume 304))

Abstract

During more than 50 years supernova remnants have been considered sources of cosmic rays and potential gamma-ray emitters. In the last years an increasing number of remnants have been detected at TeV energies by Cherenkov telescopes. At lower energies, the large error boxes in the location of gamma-ray sources prevent a definitive identification, but multiwavelength evidence clearly points out to the high likelihood of some proposed associations between EGRET sources and supernova remnants. To establish the true nature of the gamma-ray emission, however, is an extremely difficult challenge, since both leptons and hadrons can produce the observed spectra within a range of physical parameters allowed by our ignorance of the exact conditions at the sources. It can be expected that this situation will change in the next few years in such a way that soon undisputable evidence for hadronic cosmic ray acceleration in supernova blast waves will be found. This chapter presents a short introduction to the topic.

Research Scientist at CONICET (Argentina)

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© 2004 Springer Science+Business Media Dordrecht

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Romero, G.E. (2004). Gamma-Ray Emission from Supernova Remnants. In: Cheng, K.S., Romero, G.E. (eds) Cosmic Gamma-Ray Sources. Astrophysics and Space Science Library, vol 304. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-2256-2_6

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  • DOI: https://doi.org/10.1007/978-1-4020-2256-2_6

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-6625-1

  • Online ISBN: 978-1-4020-2256-2

  • eBook Packages: Springer Book Archive

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