On the generation of loop-top impulsive hard X-ray sources

Fletcher, L. (1995) On the generation of loop-top impulsive hard X-ray sources. Astronomy and Astrophysics, 303, L9-L12.

Fletcher, L. (1995) On the generation of loop-top impulsive hard X-ray sources. Astronomy and Astrophysics, 303, L9-L12.

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Abstract

Recently observed with the Hard X-ray Telescope onboard Yohkoh, loop-top hard X-ray sources have focussed interest on energy release in solar flares. Possibly a direct indication of the site of particle acceleration, they have thus far only been interpreted as thermal sources. In this letter we propose instead that the sources arise as a result of transport effects, and show using a stochastic simulation of non-thermal electron transport in a simple loop model, that many characteristics of the loop-top source can be reproduced.

Item Type:Articles
Keywords:Sun, flares, corona, particle transport, x-rays
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Fletcher, Professor Lyndsay
Authors: Fletcher, L.
Subjects:Q Science > QB Astronomy
College/School:College of Science and Engineering > School of Physics and Astronomy
Research Group:Astronomy and Astrophysics
Journal Name:Astronomy and Astrophysics
Publisher:EDP Sciences
ISSN:0004-6361
ISSN (Online):1432-0746

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