Flow-driven reverse shocks in the laboratory and in supernova remnants

Details Flow-driven reverse shocks in the laboratory and in supernova remnants Flow-driven reverse shocks in the laboratory and in supernova remnants

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aps..dppgtp114d&link_type=abstract

American Physical Society, Division of Plasma Physics Meeting, November 17-21, 1997, abstract #gTuaP114.

Physics

Plasma Physics

Scientific paper

A supernova explosion launches a shock which ejects the outer layers of a star, after which the high-Mach-number, expanding ejecta drive a forward shock into the circumstellar matter and establishes a reverse shock within the ejecta. By analogy, we are using x-ray ablation, produced by the Nova laser, to launch a shock through brominated CH (1.28 - 1.54 g/cc), which ejects the rear surface of the CH. These high-Mach-number expanding ejecta then strike a low density (40 mg/cc) silical aerogel foam, driving forward and reverse shocks. We measure these shocks using x-ray radiography. We will discuss the measured properties of the reverse shocks, the scaling from the laboratory to the supernova case, and the comparison of the flow-driven case to the more-familiar ablation-driven case.

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