Volume 432, Number 2, March III 2005
|Page(s)||609 - 618|
|Section||Stellar structure and evolution|
|Published online||02 March 2005|
Electromagnetic radiation initiated by hadronic jets from microquasars in the ISM
Departament d'Astronomia i Meteorologia, Universitat de Barcelona, Av. Diagonal 647, 08028 Barcelona, Spain e-mail: email@example.com
2 Max-Planck-Institut fur Kernphysik, Saupfercheckweg 1, Heidelberg, 69117, Germany
Accepted: 2 November 2004
Microquasars are potential candidates to produce a non-negligible fraction of the observed galactic cosmic rays. The protons accelerated at the jet termination shock interact with the interstellar medium and may produce detectable fluxes of extended emission at different energy bands: high-energy and very high-energy γ-rays produced by neutral pion-decay, synchrotron and bremsstrahlung emission in a wide energy range generated by the secondary electrons produced by charged pion-decay. We discuss the association between this scenario and some of the unidentified EGRET sources in the galactic plane.
Key words: X-rays: binaries / ISM: general / gamma-rays: observations / gamma-rays: theory
© ESO, 2005
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