Energy SigmaE Alpha SigAlpha ntot imp backsc trans tried negE range straggeling Eback sigEback Etrans SigEtrans red._E PRC SiO2 Si 7.00 0.45 0.00 15.00 5000 4947 53 0 5000 0 0.4451E+03 0.1122E+03 0.2123E+04 0.1906E+04 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 3258 1689