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  Hard Gamma-Ray Source Spectra in TeV Blazars

Lefa, E., Rieger, F. M., & Aharonian, F. (2012). Hard Gamma-Ray Source Spectra in TeV Blazars. International Journal of Modern Physics: Conference Series, 08(01), 31-36.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000E-B21E-8 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000E-B21F-6
Genre: Journal Article

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S2010194512004382 (Abstract), 3KB
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 Creators:
Lefa, Eva1, 2, Author              
Rieger, F. M.1, Author              
Aharonian, F.A1, 3, Author              
Affiliations:
1Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society, escidoc:904550              
2Landessternwarte, Königstuhl 12, 69117 Heidelberg, Germany, escidoc:persistent22              
3Dublin Institute for Advanced Physics, 31 Fitzwilliam Place, Dublin 2, Ireland, escidoc:persistent22              

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Free keywords: Blazars; Gamma-ray emission; Stochastic acceleration; Maxwellian distribution
 Abstract: The problem of the hard (intrinsic) γ-ray source spectra in TeV blazars is examined. We show that relativistic Maxwell-like particle distributions provide a suitable interpretation for the inferred hard, very high energy (VHE) photon spectra. We discuss the potential of these distributions to produce broader and softer spectra if multiple zones contribute to the observed emission. We show that the dominance of one component could lead to a VHE flaring state with hard spectral features, like the one observed for Mkn 501 in July 2009.

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Language(s): eng - English
 Dates: 2012
 Publication Status: Published in print
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Title: International Journal of Modern Physics : Conference Series
Source Genre: Journal
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Publ. Info: World Scientific
Pages: - Volume / Issue: 08 (01) Sequence Number: - Start / End Page: 31 - 36 Identifier: DOI: 10.1142/S2010194512004382