Models for gamma-ray production in low-mass microquasars

Details Models for gamma-ray production in low-mass microquasars Models for gamma-ray production in low-mass microquasars

2008-05-14

arxiv.org/abs/0805.2085v1

Int.J.Mod.Phys.D17:1903-1908,2008

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures, accepted for publication in the International Journal of Modern Physics D, proceedings of HEPRO meeting, h

Scientific paper

10.1142/S0218271808013558

Unlike high-mass gamma-ray binaries, low-mass microquasars lack external sources of radiation and matter that could produce high-energy emission through interactions with relativistic particles. In this work we consider the synchrotron emission of protons and leptons that populate the jet of a low-mass microquasar. In our model photohadronic and inverse Compton (IC) interactions with synchrotron photons produced by both protons and leptons result in a high-energy tail of the spectrum. We also estimate the contribution from secondary pairs injected through photopair production. The high-energy emission is dominated by radiation of hadronic origin, so we can call these objects proton microquasars.

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