As the number of in-situ measurements of the radiation belts is increasing these last years (Van Allen Probes, THEMIS, MMS, ERG and small satellites /cubesat missions …) more and more detailed physics of the electron and proton radiation belts can be observed. In particular, these multiple location measurements are a unique opportunity to understand better the huge variation of energetic electrons population in the slot region. As a consequence physical models of the radiation belts are more and more sophisticated.

This session shall focus on recent studies of the dynamics of energetic electrons and protons, on the Earth and other planetary radiation belts with an emphasis to the slot region. We encourage the submission of papers on related modelling, multi-point observations of the radiation belts and data assimilation tools where models and data and combined together.