Other
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21545401p&link_type=abstract
American Astronomical Society, AAS Meeting #215, #454.01; Bulletin of the American Astronomical Society, Vol. 42, p.468
Other
Scientific paper
The efficient acceleration of particles in strong shocks lowers the shock temperature and increases the post shock density. This will in turn lower the electron temperature, and through collisional ionization, raise the electron density. We have previously coupled a hydrodynamical model that includes the effects of efficient shock acceleration to a calculation for the nonequilibrium ionization in a shocked plasma. Here we present new results where we have coupled the output from these models to a plasma emissivity code. In models for efficient acceleration, the emitted thermal spectrum is shown to have a softer continuum, but is found to be generally brighter in line emission. Combined with other observables, such as supernova remnant dynamics and the broadband nonthermal emission, our results can be useful in constraining the efficiency of diffusive shock acceleration in the strong shocks found in supernova remnants.
Ellison Donald
Patnaude Daniel
Raymond Jack
Slane Pat
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