Simulated shielding performance of 1728 three-layer permutations of 12 common satellite and radiation shielding materials against trapped particles on GTO

<p>The 3Layer.csv file contains ionizing dose results of simulating the shielding performance of all 1728 three-layer permutations of twelve common satellite and radiation shielding materials against trapped particles on GTO.<br> The materials are pure aluminium (G4_Al), the aluminium alloy 7075 (Al_7075), polyethylene (G4_POLYETHYLENE), kevlar (G4_KEVLAR), lead (G4_Pb), tungsten (G4_W), stainless steel (G4_STAINLESS_STEEL), pure carbon fibre (CarbonFibre), the circuit board composite material FR4 (FR4), tantalum (G4_Ta), Teflon (G4_TEFLON) and the titanium alloy 6Al-4V (Ti_6AL_4V).<br> The particle spectra used for this simulation are provided in the files AE9500keV.mac and AP910MeV.mac.<br> The simulated geometry is provided in the file 3Layer.gdml.</p> <p>The particle spectra were generated with the AE9/AP9 models on SPENVIS, with electron energies starting at 500 keV and proton energies starting at 10 MeV.<br> The simulation was performed with GRAS / Geant4 with the FTFP_BERT physics model using 3.9e+10 electrons and 4.7e+09 protons directed against slabs of shielding materials of 1.5 g/cm2 total depth with each of the three layers being 0.5 g/cm2 in depth.<br> The ionizing dose is recorded in 0.5mm thick silicon plates behind the shielding plates.<br> <br> Column A: ID of the material combination<br> Column B: Name of the top layer material.<br> Column C: Name of the middle layer material.<br> Column D: Name of the bottom layer material.<br> Column E: Ionizing dose due to electrons in units of kRad per month.<br> Column F: Absolute statistical error in the electron dose in kRad per month.<br> Column G: ionizing dose due to protons in kRad per month.<br> Column H: Absolute statistical error in the proton dose in kRad per month.&nbsp;<br> Column I: Total ionizing dose from electrons and protons in kRad per month.<br> Column J: Absolute statistical error in the total ionizing dose in kRad per month.&nbsp;<br> Column K: Relative statistical error of the total ionizing dose in per cent.<br> Column L: Rank of the material combination sorted from lowest total ionizing dose to highest.<br> Column M: Rank of the material combination sorted from lowest electron dose to highest.<br> Column N: Rank of the material combination sorted from lowest proton dose to highest.</p> <p>All dose values are rounded according to their uncertainty.</p>