new file: detector_geometry.dat
new file: eloss_calculations/Eloss.py
new file: eloss_calculations/alpha_lookup_20MeV.dat
new file: eloss_calculations/alpha_lookup_6.0MeV.dat
new file: eloss_calculations/make_eloss_table.C
new file: eloss_calculations/proton_lookup_20MeV.dat
new file: eloss_calculations/proton_lookup_6.0MeV.dat
new file: grid_generate.py
new file: shadowplay.py