Neutron ambe srim
Trying to calculate how far alpha particles can penetrate into Be. ie whats an ideal foil size for neutron production: thicker foils moderate produced neutrons
Be
======================================================== SRIM version ---> SRIM-2013.00 Calc. date ---> December 29, 2015 ======================================================== Disk File Name = SRIM Outputs\Helium in Beryllium.txt Ion = Helium [2] , Mass = 4 amu Target Density = 1.8480E+00 g/cm3 = 1.2349E+23 atoms/cm3 == Target Composition === Atom Atom Atomic Mass Name Numb Percent Percent ##--- ---- ------- ------- Be 4 100.00 100.00 ========================== Bragg Correction = 0.00% Stopping Units = MeV / (mg/cm2) See bottom of Table for other Stopping units Ion dE/dx dE/dx Projected Longitudinal Lateral Energy Elec. Nuclear Range Straggling Straggling #------------- ---------- ---------- ---------- ---------- ---------- 5.40 MeV 7.068E-01 4.032E-04 27.71 um 1.01 um 4314 A ----------------------------------------------------------- Multiply Stopping by for Stopping Units ------------------- ------------------ 1.8479E+01 eV / Angstrom 1.8479E+02 keV / micron 1.8479E+02 MeV / mm 1.0000E+00 keV / (ug/cm2) 1.0000E+00 MeV / (mg/cm2) 1.0000E+03 keV / (mg/cm2) 1.4965E+01 eV / (1E15 atoms/cm2) 1.4574E+00 L.S.S. reduced units ======================================================== (C) 1984,1989,1992,1998,2008 by J.P. Biersack and J.F. Ziegler
C17200
======================================================== SRIM version ---> SRIM-2013.00 Calc. date ---> December 29, 2015 ======================================================== Disk File Name = SRIM Outputs\Helium in Be-Cu.txt Ion = Helium [2] , Mass = 4 amu Target Density = 8.2500E+00 g/cm3 = 8.7066E+22 atoms/cm3 == Target Composition === Atom Atom Atomic Mass Name Numb Percent Percent ##--- ---- ------- ------- Be 4 011.89 001.88 Cu 29 088.11 098.12 ========================== Bragg Correction = 0.00% Stopping Units = MeV / (mg/cm2) See bottom of Table for other Stopping units Ion dE/dx dE/dx Projected Longitudinal Lateral Energy Elec. Nuclear Range Straggling Straggling #------------- ---------- ---------- ---------- ---------- ---------- 5.40 MeV 4.123E-01 3.322E-04 11.93 um 5328 A 6806 A ----------------------------------------------------------- Multiply Stopping by for Stopping Units ------------------- ------------------ 8.2497E+01 eV / Angstrom 8.2497E+02 keV / micron 8.2497E+02 MeV / mm 1.0000E+00 keV / (ug/cm2) 1.0000E+00 MeV / (mg/cm2) 1.0000E+03 keV / (mg/cm2) 9.4753E+01 eV / (1E15 atoms/cm2) 1.0575E+01 L.S.S. reduced units ======================================================== (C) 1984,1989,1992,1998,2008 by J.P. Biersack and J.F. Ziegler