Physics – Plasma Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh31a1469z&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SH31A-1469
Physics
Plasma Physics
[2114] Interplanetary Physics / Energetic Particles, [2139] Interplanetary Physics / Interplanetary Shocks, [7807] Space Plasma Physics / Charged Particle Motion And Acceleration, [7845] Space Plasma Physics / Particle Acceleration
Scientific paper
In the study of energetic particles transport in space, shock acceleration is among the key mechanisms to be pinpointed. Usually Fermi acceleration is assumed for energetic particles' diffusive acceleration. However, great effort is still needed to fully understand the shock acceleration mechanisms. Therefore, we accurately calculate a large amount of test charged particles' trajectories with different models of shocks with magnetic turbulence. Moreover, we investigate energetic particles' energy increase for each shock crossing with the calculated particle trajectories, so that we can test the validation of different shock acceleration theories. Finally, we enhance our knowledge of shock acceleration by comparing the theoretical findings with spacecraft observations of energetic particles shock acceleration.
Qin Gan
Zhang Lianchang
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