The acceleration of particles in the vicinity of comets

W. H. Ip, W. I. Axford

研究成果: 雜誌貢獻期刊論文同行評審

38 引文 斯高帕斯(Scopus)

摘要

The various processes capable of accelerating ions in the vicinity of comets as part of the comet/ solar wind interaction are considered. It is concluded that the most important are ion pick-up, adiabatic compression and second order Fermi acceleration in the turbulence associated with the interaction. Model particle spectra are calculated on the assumption that the turbulence is dominated by Alfven waves, and it is shown that the peak associated with ion pick-up remains a distinct feature of the spectrum despite spreading to higher and lower energies. Diffusive shock acceleration and magnetic field reconnection are shown to be relatively unimportant in producing energetic ions.

原文???core.languages.en_GB???
頁(從 - 到)1061-1065
頁數5
期刊Planetary and Space Science
34
發行號11
DOIs
出版狀態已出版 - 11月 1986

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