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Evidence for Nonlinear Diffusive Shock Acceleration of Cosmic Rays in the 2006 Outburst of RS Ophiuchi

V. Tatischeff 1 M. Hernanz
1 CSNSM AN
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse, CSNSM - Centre de Sciences Nucléaires et de Sciences de la Matière
Abstract : Spectroscopic observations of the 2006 outburst of RS Oph at both infrared (IR) and X-ray wavelengths have shown that the blast wave has decelerated at a higher rate than predicted by the standard test-particle adiabatic shock-wave model. The observed blast-wave evolution can be explained, however, by the diffusive shock acceleration of particles at the forward shock and the subsequent escape of the highest energy ions from the acceleration region. Nonlinear particle acceleration can also account for the difference of shock velocities deduced from the IR and X-ray data. We discuss the evolution of the nova remnant in the light of efficient particle acceleration at the blast wave.
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http://hal.in2p3.fr/in2p3-00855812
Contributor : Christine Hadrossek <>
Submitted on : Friday, August 30, 2013 - 10:27:28 AM
Last modification on : Wednesday, September 16, 2020 - 5:42:13 PM

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V. Tatischeff, M. Hernanz. Evidence for Nonlinear Diffusive Shock Acceleration of Cosmic Rays in the 2006 Outburst of RS Ophiuchi. RS Ophiuchi (2006) and the Recurrent Nova Phenomenon Keele Workshop 2007, 2007, Keele, United Kingdom. pp.328. ⟨in2p3-00855812⟩

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