scavenger/src/DetectorConstruction.cc

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0025 //
0026 /// \file scavenger/src/DetectorConstruction.cc
0027 /// \brief Implementation of the scavenger::DetectorConstruction class
0028
0029 #include "DetectorConstruction.hh"
0030
0031 #include "PrimaryKiller.hh"
0032 #include "ScoreSpecies.hh"
0033
0034 #include "G4Box.hh"
0035 #include "G4LogicalVolume.hh"
0036 #include "G4MultiFunctionalDetector.hh"
0037 #include "G4NistManager.hh"
0038 #include "G4PVPlacement.hh"
0039 #include "G4SDManager.hh"
0040 #include "G4SystemOfUnits.hh"
0041 #include "G4VPrimitiveScorer.hh"
0042 #include "G4VisAttributes.hh"
0043
0044 namespace scavenger
0045 {
0046
0047 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
0048
0049 DetectorConstruction::DetectorConstruction() : G4VUserDetectorConstruction() {}
0050
0051 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
0052
0053 G4VPhysicalVolume* DetectorConstruction::Construct()
0054 {
0055   // Water is defined from NIST material database
0056   auto* man = G4NistManager::Instance();
0057   auto* water = man->FindOrBuildMaterial("G4_WATER");
0058
0059   // World
0060   G4double world_sizeXYZ = 1. * km;
0061   auto solidWorld =
0062     new G4Box("World", 0.5 * world_sizeXYZ, 0.5 * world_sizeXYZ, 0.5 * world_sizeXYZ);
0063
0064   auto logicWorld = new G4LogicalVolume(solidWorld, water, "World");
0065
0066   G4VPhysicalVolume* physWorld = new G4PVPlacement(nullptr,  // no rotation
0067                                                    G4ThreeVector(),  // its position at (0,0,0)
0068                                                    logicWorld,  // its logical volume
0069                                                    "World",  // its name
0070                                                    nullptr,  // its mother  volume
0071                                                    false,  // no boolean operation
0072                                                    0,  // copy number
0073                                                    true);  // checking overlaps
0074
0075   // Visualization attributes
0076   auto worldVisAtt = new G4VisAttributes(G4Colour(.5, 1.0, .5));
0077   worldVisAtt->SetVisibility(true);
0078   logicWorld->SetVisAttributes(worldVisAtt);
0079   return physWorld;
0080 }
0081
0082 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
0083
0084 void DetectorConstruction::ConstructSDandField()
0085 {
0086   G4SDManager::GetSDMpointer()->SetVerboseLevel(1);
0087   /**
0088    * declare World as a MultiFunctionalDetector scorer
0089    */
0090   auto mfDetector = new G4MultiFunctionalDetector("mfDetector");
0091
0092   // Kill primary track after a chosen energy loss OR under a chosen
0093   // kinetic energy
0094   auto primaryKiller = new PrimaryKiller("PrimaryKiller");
0095   primaryKiller->SetMinLossEnergyLimit(500. * eV);  // default value
0096   primaryKiller->SetMaxLossEnergyLimit(1. * keV);  // default value
0097   mfDetector->RegisterPrimitive(primaryKiller);
0098
0099   // Record Species scorer:
0100   //  - score number of species over time
0101   //  - score the total energy deposition
0102   //  - compute the radiochemical yields (G values)
0103   G4VPrimitiveScorer* gValues = new ScoreSpecies("Species");
0104   mfDetector->RegisterPrimitive(gValues);
0105   G4SDManager::GetSDMpointer()->AddNewDetector(mfDetector);
0106   SetSensitiveDetector("World", mfDetector);
0107 }
0108
0109 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
0110
0111 }  // namespace scavenger