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Astron. Astrophys. 326, 1259-1267

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Numerical simulations of coronal particle trapping

Lyndsay Fletcher

Solar System Division, ESA Space Science Department, ESTEC, Postbus 299, 2200 AG Noordwijk, The Netherlands

Received 20 March 1997 / Accepted 6 June 1997


In this paper the trapping of high energy particles in solar coronal loops is addressed. Using simulations, the time evolution of electrons and protons trapped in a magnetic bottle is calculated under various scattering conditions and the results compared with loss-cone analysis. Thereafter the case of time-dependent injection into a magnetic loop is addressed, and the results compared with previous analytic work on X and FORMULA -ray delay times.

Key words: physical data and processes: scattering - Sun: corona - flares - X-rays and gamma-rays

© European Southern Observatory (ESO) 1997

Online publication: October 1, 1997
Last change: April 8, 1998