Sun: Corona

Transmission and Emission of Solar Energetic Particles in Semi-transparent Shocks
While major solar energetic particle (SEP) events are associated with coronal mass ejection (CME)-driven shocks in solar wind, accurate …
Leon Kocharov, Timo Laitinen, Ilya Usoskin, Rami Vainio
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A simple analytical expression for the power spectrum of cascading Alfvén waves in the solar wind
Alfvén wave transport in the solar wind, including non-linear spectral energy transfer, is studied. We present numerical solutions of …
R. Vainio, T. Laitinen, H. Fichtner
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The relation between cyclotron heating and energetic particles on open coronal field lines
Cyclotron resonance with high-frequency Alfvén waves has been proposed as an ion heating mechanism for producing high-speed winds and …
R. Vainio, T. Laitinen
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Solar energetic particle event and radio bursts associated with the 1996 July 9 flare and coronal mass ejection
Using spaceborne particle and gamma-ray detection and radio diagnostics we study solar energetic particle (SEP) production in the 1996 …
T. Laitinen, K. -L. Klein, L. Kocharov, J. Torsti, G. Trottet, V. Bothmer, M. L. Kaiser, G. Rank, M. J. Reiner
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Interacting and Interplanetary Protons Accelerated on Diverging Magnetic Field Lines: Stochastic Acceleration
We study the ratio of the numbers of interplanetary to interacting protons, ensuremathΓ, using a model of stochastic acceleration on …
L. Kocharov, G. A. Kovaltsov, T. Laitinen, P. Mäkelä, J. Torsti
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