Nonthermal emission in the starburst galaxies M82&NGC253

Yoel Rephaeli, Massimo Persic

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Detection of high-energy γ-ray emission from the nearby starburst galaxies M82 and NGC253 establishes, for the first time, a direct link between leptonic and hadronic processes in an extragalactic non-AGN environment. We review the most relevant aspects of these processes and contrast theoretical predictions with available radio and γ-ray measurements in order to determine the particle spectral properties and energy densities in these galaxies.

Original languageEnglish
Pages (from-to)252-257
Number of pages6
JournalNuclear Physics B - Proceedings Supplements
Volume256-257
DOIs
StatePublished - 1 Dec 2014

Keywords

  • Cosmic rays
  • Emission: radio
  • Emission: γ rays
  • Galaxies: starburts

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