184 lines
5.1 KiB
C++
184 lines
5.1 KiB
C++
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#include "CloverPrimaryGeneratorAction.hh"
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#include "CloverEventAction.hh"
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#include "G4RunManager.hh"
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#include "G4LogicalVolumeStore.hh"
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#include "G4LogicalVolume.hh"
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#include "G4Box.hh"
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#include "G4Event.hh"
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#include "G4ParticleGun.hh"
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#include "G4ParticleTable.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4GenericMessenger.hh"
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#include "Randomize.hh"
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#include <vector>
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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CloverPrimaryGeneratorAction::CloverPrimaryGeneratorAction()
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: G4VUserPrimaryGeneratorAction(),
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fMessenger(nullptr),
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fParticleGun(nullptr),
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fAngle(180 * degree)
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//,fEventAction(eventAction)
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{
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G4int nofParticles = 1;
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fParticleGun = new G4ParticleGun(nofParticles);
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// default particle kinematic
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//
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auto particleDefinition = G4ParticleTable::GetParticleTable()->FindParticle("gamma");
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fParticleGun->SetParticleDefinition(particleDefinition);
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fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
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fParticleGun->SetParticleEnergy(6.13*MeV);
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fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., 0));
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//Cs137
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//fEnergyList = {{.663,100}};
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//Co60
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fEnergyList = {{1.173,99.973},
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{1.332,99.986}};
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//N16 iso
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/*
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fEnergyList = {{0.120, 100}, //energy, branch
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{1.775, 0.114},
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{1.955, 0.036},
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{2.742, 0.777},
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{8.872, 0.072},
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{7.117, 5},
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{6.917, 0.036},
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{6.130, 68.0+0.777}};
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*/
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//Eu152
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/*
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fEnergyList = {{.12178,28.58},
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{.14801,0.037},
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{.21257,0.019},
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{.24469,7.583},
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{.29594,0.477},
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{.32913,0.128},
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{.34428,26.50},
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{.36778,0.861},
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{.41112,2.234},
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{.44396,0.327},
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{.44397,2.821},
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{.48868,0.419},
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{.50347,0.149},
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{.56399,0.489},
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{.56643,0.129},
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{.58627,0.459},
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{.65648,0.145},
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{.67468,0.172},
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{.67862,0.471},
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{.68867,0.857},
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{.71935,0.321},
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{.76490,0.215},
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{.77891,12.942},
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{.81045,0.320},
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{.86738,4.245},
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{.91933,0.427},
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{.92632,0.278},
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{.96339,0.135},
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{.96408,14.605},
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{1.00527,0.646},
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{1.0840,0.246},
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{1.08586,10.207},
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{1.089737,1.727},
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{1.109174,0.186},
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{1.11207,13.644},
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{1.21294,1.422},
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{1.249938,0.188},
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{1.292778,0.105},
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{1.29914,1.623},
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{1.408006,21.005},
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{1.457643,0.502},
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{1.528103,0.281}};
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*/
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//accumulate the branch
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G4int numEnergy = (G4int) fEnergyList.size();
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for( int i = 1 ; i < numEnergy ; i++){
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fEnergyList[i][1] += fEnergyList[i-1][1];
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}
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//renormalized the branching ratio
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for( int i = 0 ; i < numEnergy ; i++){
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fEnergyList[i][1] = fEnergyList[i][1]/fEnergyList[numEnergy-1][1];
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}
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//Define command for this class
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DefineCommands();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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CloverPrimaryGeneratorAction::~CloverPrimaryGeneratorAction()
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{
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delete fParticleGun;
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delete fMessenger;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void CloverPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
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{
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G4double cosTheta = 1.- (1.-cos(fAngle ))*G4UniformRand();
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G4double phi = 360*degree*G4UniformRand();
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G4double sinTheta = std::sqrt(1. - cosTheta*cosTheta);
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G4double ux = sinTheta*std::cos(phi),
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uy = sinTheta*std::sin(phi),
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uz = cosTheta;
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fParticleGun->SetParticleMomentumDirection(G4ThreeVector(ux,uy,uz));
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fParticleGun->GeneratePrimaryVertex(anEvent);
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//generate a random number form 0 to 1
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G4double pop = G4UniformRand();
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G4double beamEnergy = 6.13;
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G4int numEnergy = (G4int) fEnergyList.size();
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for( int i = 0; i < numEnergy ; i++){
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if( i == 0 && pop <= fEnergyList[i][1] ) beamEnergy = fEnergyList[0][0] ;
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if( i > 0 && fEnergyList[i-1][1] < pop && pop <= fEnergyList[i][1] ) beamEnergy = fEnergyList[i][0] ;
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}
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fParticleGun->SetParticleEnergy(beamEnergy);
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//G4double energy = fParticleGun->GetParticleEnergy();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void CloverPrimaryGeneratorAction::DefineCommands()
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{
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// Define /Clover/generator command directory using generic messenger class
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fMessenger = new G4GenericMessenger(this, "/Clover/generator/", "Primary generator control");
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// OpeningAngle command
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auto& openingAngleCmd = fMessenger->DeclarePropertyWithUnit("OpeningAngle", "deg", fAngle, "Opening Angle of beam in deg");
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openingAngleCmd.SetParameterName("t", true);
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openingAngleCmd.SetRange("t>=0.");
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openingAngleCmd.SetDefaultValue("180.");
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}
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