English

Gamma Rays, Electrons, Hard X-Rays, and the Central Parsec of the Milky Way

High Energy Astrophysical Phenomena 2016-11-29 v2 Astrophysics of Galaxies High Energy Physics - Phenomenology

Abstract

The complex interplay of processes at the Galactic Center is at the heart of numerous past, present, and (likely) future mysteries. We aim at a more complete understanding of how spectra extending to >10 TeV result. We first construct a simplified model to account for the peculiar energy and angular dependence of the intense central parsec photon field. This allows for calculating anisotropic inverse Compton scattering and mapping gamma-ray extinction due to gamma gamma -> e^+ e^- attenuation. Coupling these with a method for evolving electron spectra, we examine several clear and present excesses, including the diffuse hard X-rays seen by NuSTAR and GeV gamma rays by Fermi. We address further applications to cosmic rays, dark matter, neutrinos, and gamma rays from the Center and beyond.

Keywords

Cite

@article{arxiv.1511.00723,
  title  = {Gamma Rays, Electrons, Hard X-Rays, and the Central Parsec of the Milky Way},
  author = {Matthew D. Kistler},
  journal= {arXiv preprint arXiv:1511.00723},
  year   = {2016}
}

Comments

8 pages, 6 figures