Solar flare electron beam propagation from loop-top region downwards into the chromosphere. For details see
http://dx.doi.org/10.1088/0004-637X/707/1/L45
The code to simulatione downward electron transport in collisional plasma of solar corona; Includes self-consistently Coulumb collisions, Langmuir wave generation/absorption, and non-uniform plasma effects
If not already installed on your system, download and install git for command line from https://git-scm.com/
git clone https://github.com/edkontar/beam_down beam_down
cd beam_down
git submodule update --init --recursive --remotemake./beamIDL> fw