Local interstellar cosmic-ray spectra derived from gamma-ray emissivities
High Energy Astrophysical Phenomena
2015-07-20 v1
Abstract
Precise gamma-ray emissivities from cosmic-ray interactions with interstellar gas have been recently derived using Fermi-LAT data, and used to constrain the local interstellar spectra of protons and leptons. We report on a continuing effort to exploit these emissivities combined with the latest hadronic gamma-ray production cross-sections and other constraints such as synchrotron emission for the leptonic component. The interstellar spectra provide important information for heliospheric modulation, and cosmic-ray origin and propagation.
Cite
@article{arxiv.1507.05006,
title = {Local interstellar cosmic-ray spectra derived from gamma-ray emissivities},
author = {A. W. Strong},
journal= {arXiv preprint arXiv:1507.05006},
year = {2015}
}
Comments
Contribution to the 34th International Cosmic Ray Conference, July 30 to August 6, The Hague, Netherlands