Particle Acceleration at Shocks: Effects of Spatial Variations Along the Shock Face

Details Particle Acceleration at Shocks: Effects of Spatial Variations Along the Shock Face Particle Acceleration at Shocks: Effects of Spatial Variations Along the Shock Face

Aug 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1039..390j&link_type=abstract

PARTICLE ACCELERATION AND TRANSPORT IN THE HELIOSPHERE AND BEYOND: 7th Annual International Astrophysics Conference. AIP Confer

Astronomy and Astrophysics

Astrophysics

4

Astronomical Observations, Particle Acceleration, Heliopause And Solar Wind Termination, Planetary Bow Shocks, Interplanetary Shocks, Convection, Turbulence, And Diffusion, Interplanetary Magnetic Fields, Magnetohydrodynamics And Plasmas, Composition, Energy Spectra And Interactions

Scientific paper

We consider the acceleration of charged particles and anomalous cosmic rays (ACR) at propagating shocks and especially at the heliospheric termination shock, when upstream variations cause spatial variations along the shock face, or, alternatively, if the global spatial geometry causes the shock to vary. Here we present the results a new analytic solution for the case of a shock in which the injection low-energy particles varies with position along the shock face. We find that, downstream of the shock, positive spatial gradients together with modulation-like and multiple-power-law spectral features are naturally produced by plausible spatial variations at the shock. Similar effects also result from large-scale or global spatial structure. These various effects show promising qualitative agreement with observations at and near the heliospheric termination shock, suggesting that they may play an important role.

Affiliated with

Also associated with

No associations

Rating

Particle Acceleration at Shocks: Effects of Spatial Variations Along the Shock Face does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Particle Acceleration at Shocks: Effects of Spatial Variations Along the Shock Face, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Particle Acceleration at Shocks: Effects of Spatial Variations Along the Shock Face will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1171401