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arXiv 1998-07-28 0 views

Deciphering diffuse Galactic continuum gamma rays

Moskalenko, I. V. · Strong, A. W.

Original · EN

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.

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