An injection mechanism for shock waves of arbitrary obliquity

Details An injection mechanism for shock waves of arbitrary obliquity An injection mechanism for shock waves of arbitrary obliquity

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000georl..27.3793r&link_type=abstract

Geophysical Research Letters, Volume 27, Issue 23, p. 3793-3796

Physics

Plasma Physics

8

Interplanetary Physics: Pickup Ions, Solar Physics, Astrophysics, And Astronomy: Energetic Particles, Space Plasma Physics: Shock Waves

Scientific paper

Evidence exists suggesting that not only do heliospheric shocks accelerate particles up to energies as high as a few GeV/nuc. but that the source of these energetic particles are pickup ions or low energy particles present in the suprathermal tail of the solar wind distribution. To be diffusively accelerated at a shock wave a particle needs an energy significantly greater than that of the expected source particles, the so-called ``injection problem.'' We present here a model of particle acceleration at shocks of arbitrary obliquity that produces particle energies sufficiently high for diffusive shock acceleration to occur.

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