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Conference Paper

The formation of hard TeV γ-ray spectra in blazars

MPS-Authors
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Lefa,  Eva
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;
Landessternwarte, Königstuhl 12, 69117 Heidelberg, Germany;

/persons/resource/persons30943

Rieger,  Frank M.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30244

Aharonian,  Felix A.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;
Dublin Institute for Advanced Studies, 31 Fitzwilliam Place, Dublin 2, Ireland;

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http://pos.sissa.it/archive/conferences/123/205/Texas%202010_205.pdf
(Publisher version)

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Citation

Lefa, E., Rieger, F. M., & Aharonian, F. A. (2011). The formation of hard TeV γ-ray spectra in blazars. Proceedings of Science, Texas2010: 205, 1-7.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0012-2F21-B
Abstract
The TeV gamma-ray spectra of some BL Lacs, after being corrected for intergalactic absorption in the extragalactic background light (EBL), appears unusually hard. This finding poses challenges to conventional acceleration and emission models. We analyze the constraints to produce such hard TeV spectra within a time-dependent, leptonic synchrotron-Compton approach, utilizing a narrow, very energetic electron distribution.