The acceleration of cosmic rays in shock fronts – I
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This article is published in Monthly Notices of the Royal Astronomical Society.The article was published on 1978-02-01 and is currently open access. It has received 2613 citations till now. The article focuses on the topics: Shock waves in astrophysics & Fermi acceleration.read more
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Solar energetic particle variations
TL;DR: In the largest solar energetic-particle (SEP) events, acceleration occurs at shock waves driven out from the Sun by coronal mass ejections (CMEs) as mentioned in this paper.
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A filamentation instability for streaming cosmic-rays
Brian Reville,Anthony R. Bell +1 more
TL;DR: In this article, the authors demonstrate that cosmic rays form filamentary structures in the precursors of supernova remnant shocks due to their self-generated magnetic fields, and that the cosmic ray filamentation results in the growth of a long-wavelength instability, and naturally couples the rapid nonlinear amplification on small scales to larger length-scales.
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Shock geometry and spectral breaks in large sep events
Gang Li,Gary P. Zank,Olga Verkhoglyadova,R. A. Mewaldt,Christina Cohen,G. M. Mason,M. I. Desai +6 more
TL;DR: In this article, the authors examined the Q/A dependence of the spectral break energy in solar energetic particle (SEP) spectra and showed that α ≥ 1/5 for a quasi-perpendicular shock.
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Shock waves and cosmic ray acceleration in the outskirts of galaxy clusters
TL;DR: In this article, the authors examine the properties of shocks that form within r {sub 200} in sample galaxy clusters from structure formation simulations and show that the energetic shocks reside mostly in the outskirts and a substantial fraction of them are induced by infall of the warm-hot intergalactic medium from filaments.
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The Rapid Decay of the Optical Emission from GRB 980326 and Its Possible Implications
Paul J. Groot,Titus Galama,P. M. Vreeswijk,Ralph A. M. J. Wijers,Elena Pian,Eliana Palazzi,J. van Paradijs,J. van Paradijs,Chryssa Kouveliotou,Chryssa Kouveliotou,J. J. M. in 't Zand,John Heise,C. R. Robinson,C. R. Robinson,Nial R. Tanvir,C. Lidman,C. G. Tinney,M. Keane,Michael S. Briggs,Michael S. Briggs,Kevin Hurley,J.-F. Gonzalez,Patrick B. Hall,Malcolm G. Smith,Ricardo Covarrubias,P.G. Jonker,Jorge Casares,N. Masetti,F. Frontera,M. Feroci,L. Piro,Enrico Costa,Rodney Smith,Byron Jones,David Windridge,J. Bland-Hawthorn,Sylvain Veilleux,Michael R. Garcia,Warren R. Brown,Krzysztof Z. Stanek,A. J. Castro-Tirado,A. J. Castro-Tirado,J. Gorosabel,Jochen Greiner,K. Jäger,Asmus Böhm,Klaus J. Fricke +46 more
TL;DR: In this article, the optical counterpart to GRB 980326 was discovered and its rapid optical decay was characterized by a power law with exponent - 2.10+/-0.13 and a constant underlying source at R{c}}=25.5.