Prompt high-energy particle acceleration during two-current-loop collisions

Solar Physics ◽  
1993 ◽  
Vol 146 (2) ◽  
pp. 331-341 ◽  
Author(s):  
Jie Zhao ◽  
Bidzina Chargeishvili ◽  
Jun-Ichi Sakai
2009 ◽  
Vol 395 (4) ◽  
pp. 1999-2012 ◽  
Author(s):  
J. H. Croston ◽  
R. P. Kraft ◽  
M. J. Hardcastle ◽  
M. Birkinshaw ◽  
D. M. Worrall ◽  
...  

Nature ◽  
2018 ◽  
Vol 562 (7725) ◽  
pp. 82-85 ◽  
Author(s):  
A. U. Abeysekara ◽  
A. Albert ◽  
R. Alfaro ◽  
C. Alvarez ◽  
J. D. Álvarez ◽  
...  

1994 ◽  
Vol 142 ◽  
pp. 515-520
Author(s):  
R. D. Blandford

AbstractHigh-energy particle acceleration is observed to proceed in a diverse variety of astrophysical sites ranging from the terrestrial aurorae to the most distant quasars. Particle acceleration is a fairly common channel for the release of large-scale kinetic, rotational, and magnetic energy. Physical mechanisms include electrostatic acceleration, stochastic processes and diffusive shock energization. Cosmic-ray energy spectra have shapes which reflect escape, collisional, and radiative losses. The overall acceleration efficiency is controlled by the low-energy particle injection which may, in turn, feed back into the energization. Recent observational developments, which illustrate these general principles and raise fresh questions, are briefly summarized.Subject heading: acceleration of particles


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