Particle acceleration as viewed from the observations of flare-associated gamma-ray emissions

Since 1972, many solar gamma-ray events are observed. Much advances have been made in the understandings of the solar flare phenomena. A brief description of the gamma-ray observations is given. Several particle acceleration mechanisms that are consistent with these observations are presented. All t...

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Bibliographic Details
Published in:Space science reviews 1989-10, Vol.51 (1-2), p.117-122
Main Author: OKUDAIRA, K
Format: Article
Language:English
Subjects:
Astronomy
Earth, ocean, space
Exact sciences and technology
Flares, bursts, and related phenomena
Solar physics
Solar system
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Summary:Since 1972, many solar gamma-ray events are observed. Much advances have been made in the understandings of the solar flare phenomena. A brief description of the gamma-ray observations is given. Several particle acceleration mechanisms that are consistent with these observations are presented. All these mechanisms can work well. But it is difficult at this stage to decide which one is really working at the Sun. There remain many problems for future studies, especially the observations during the next solar maximum.
ISSN:0038-6308
1572-9672
DOI:10.1007/BF00226270