500 MeV/nuc He-4 penetrates 618,245 microns in Si100 MeV/nuc He-4 penetrates 41,538 microns “25 MeV/nuc He-4 penetrates 3,554 microns “5 MeV/nuc He-4 penetrates 218 microns “

500 MeV/nuc O-16 penetrates 154,589 microns100 MeV/nuc O-16 penetrates 10,412 microns25 MeV/nuc O-16 penetrates 912.5 microns5 MeV/nuc O-16 penetrates 68.5 microns

500 MeV/nuc Ca-40 penetrates 61,955 microns100 MeV/nuc Ca-40 penetrates 4,266 microns25 MeV/nuc Ca-40 penetrates 420.8 microns5 MeV/nuc Ca-40 penetrates 53.9 microns

500 MeV/nuc Fe-56 penetrates 51,431 microns100 MeV/nuc Fe-56 penetrates 3,604 microns25 MeV/nuc Fe-56 penetrates 377.5 microns5 MeV/nuc Fe-56 penetrates 48.8 microns