Gamma Rays from Molecular Clouds View Full Text


Ontology type: schema:Chapter      Open Access: True


Chapter Info

DATE

2001

AUTHORS

F. A. Aharonian

ABSTRACT

High energy γ-rays from individual giant molecular clouds contain unique information about the hidden sites of acceleration of galactic cosmic rays, and provide a feasible method for study of propagation of cosmic rays in the galactic disk on scales ≤ 100 pc. I discuss the spectral features of π 0-decay γ-radiation from clouds/targets located in proximity of relatively young proton accelerators, and speculate that such ‘accelerator+target’ systems in our Galaxy can be responsible for a subset of unidentified EGRET sources. Also, I argue that the recent observations of high energy γ-rays from the Orion complex contain evidence that the level of the ‘sea’ of galactic cosmic rays may differ significantly from the flux and the spectrum of local (directly detected) particles. More... »

PAGES

187-196

Book

TITLE

The Astrophysics of Galactic Cosmic Rays

ISBN

978-90-481-5862-1
978-94-017-3239-0

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-94-017-3239-0_16

DOI

http://dx.doi.org/10.1007/978-94-017-3239-0_16

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1006713772


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