References: https://londonjphysics.org/index.php/ljp/article/view/10823/7755, https://iopscience.iop.org/article/10.1088/1742-6596/2438/1/012150/meta, https://www.mdpi.com/2410-390X/6/3/42, and https://arxiv.org/abs/2201.08804.
- Multi-particle generator based on atmospherical protons as well as atmospherical alphas from the BESS-TeV spectrometer;
- One is supposed to use the executable+run1.mac without any change to employ the GEANT4 package appropriately;
- If/when necessary, one is supposed to remove/close the visualization macro (vis.mac) in run1.mac to prevent any possible computer crash.