Cosmic rays from supernova remnants and superbubbles
Richard E. Lingenfelter
TL;DR
Recent gamma-ray observations and cosmic ray data collectively enhance understanding of cosmic ray sources, acceleration, and propagation, allowing for quantification of their contributions across a broad energy spectrum.
Contribution
This paper synthesizes observational data to develop an integrated framework for cosmic ray origins, acceleration mechanisms, and propagation processes, advancing the field's comprehensive understanding.
Findings
Gamma-ray observations link supernova remnants and superbubbles to cosmic ray sources.
The framework quantifies contributions of different sources to cosmic ray populations.
Insights into cosmic ray acceleration and propagation mechanisms are provided.
Abstract
Recent high energy gamma-ray observations of both single supernova remnants and superbubbles, together with observations of supernovae, star formation regions, and local cosmic ray composition, now provide an integrated framework tying together the sources, injection, acceleration and propagation of the cosmic rays, so that it is possible to determine their relative contributions to cosmic ray acceleration for all but the very highest energies.
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