Cosmic rays, gamma rays and synchrotron radiation from the Galaxy
Journal Article
·
· Journal of Physics. Conference Series (Online)
Galactic cosmic rays (CR), interstellar gamma-ray emission and synchrotron radiation are related topics. CR electrons propagate in the Galaxy and interact with the interstellar medium, producing inverse-Compton emission measured in gamma rays and synchrotron emission measured in radio. I present an overview of the latest results with Fermi/LAT on the gamma-ray diffuse emission induced by CR nuclei and electrons. Then I focus on the recent complementary studies of the synchrotron emission in the light of the latest gamma-ray results. Relevant observables include spectral indices and their variations, using surveys over a wide range of radio frequencies. This paper enphasizes the importance of using the parallel study of gamma rays and synchrotron radiation in order to constrain the low-energy interstellar CR electron spectrum, models of propagation of CRs, and magnetic fields.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC)
- Sponsoring Organization:
- US DOE Office of Science (DOE SC); High Energy Physics (HEP)
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 1362080
- Report Number(s):
- SLAC-REPRINT-2016-029
- Journal Information:
- Journal of Physics. Conference Series (Online), Journal Name: Journal of Physics. Conference Series (Online) Journal Issue: 5 Vol. 375; ISSN 1742-6596
- Publisher:
- Institute of Physics (IOP)
- Country of Publication:
- United States
- Language:
- English
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