English

Deciphering diffuse Galactic continuum gamma rays

Astrophysics 2007-05-23 v2

Abstract

Inverse Compton scattering appears to play a more important role in the diffuse Galactic continuum emission than previously thought, from MeV to GeV energies. We compare models having a large inverse Compton component with EGRET data, and find good agreement in the longitude and latitude distributions at low and high energies. We test an alternative explanation for the >1 GeV gamma-ray excess, the hard nucleon spectrum, using secondary antiprotons and positrons.

Keywords

Cite

@article{arxiv.astro-ph/9807288,
  title  = {Deciphering diffuse Galactic continuum gamma rays},
  author = {I. V. Moskalenko and A. W. Strong},
  journal= {arXiv preprint arXiv:astro-ph/9807288},
  year   = {2007}
}

Comments

4 pages including 9 ps-figures, latex2e, uses epsfig.sty, times.sty, wrapfig.sty. To appear in: Proc. of 16th European Cosmic Ray Symposium (July 1998, Alcala), GR-1.3. More details can be found at http://www.gamma.mpe-garching.mpg.de/~aws/aws.html Some references are added