Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1039..427d&link_type=abstract
PARTICLE ACCELERATION AND TRANSPORT IN THE HELIOSPHERE AND BEYOND: 7th Annual International Astrophysics Conference. AIP Confer
Astronomy and Astrophysics
Astrophysics
Astronomical Observations, Cosmic Rays, Particle Acceleration, Supernova Remnants, Planetary Bow Shocks, Interplanetary Shocks, Turbulence, Interplanetary Magnetic Fields
Scientific paper
Radio synchrotron observations have long shown that electrons are accelerated to mildly relativistic energies in supernova remnants, but only in the last few years has it been conclusively demonstrated that particle acceleration in supernova remnants can reach energies of at least 1014 eV. The key observation here has been the detection of a number of young supernova remnants at TeV energies by the HESS (High Energy Stereoscopic System) collaboration. There is however still debate as to whether the dominant signal comes from electrons or protons. The current observational and theoretical situation will be discussed. Some surprising recent observations by the MILAGRO consortium are also discussed.
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