Gabriele Cosmo
295 lines
9.9 KiB
C++
295 lines
9.9 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// Please cite the following paper if you use this software
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// Nucl.Instrum.Meth.B260:20-27, 2007
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#include "PrimaryGeneratorAction.hh"
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#include "PrimaryGeneratorMessenger.hh"
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#include "G4SystemOfUnits.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* DC)
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:fDetector(DC)
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{
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fAngleMax = 0.09;
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// Default
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fEmission = 1;
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G4int n_particle = 1;
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fParticleGun = new G4ParticleGun(n_particle);
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G4ParticleDefinition* particle =
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G4ParticleTable::GetParticleTable()->FindParticle("proton");
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fParticleGun->SetParticleDefinition(particle);
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fParticleGun->SetParticleEnergy(3*MeV);
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fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
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fGunMessenger = new PrimaryGeneratorMessenger(this);
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// Matrix
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fBeamMatrix = CLHEP::HepMatrix(32,32);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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PrimaryGeneratorAction::~PrimaryGeneratorAction()
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{
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delete fParticleGun;
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delete fGunMessenger;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
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{
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G4int numEvent;
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numEvent=anEvent->GetEventID()+1;
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G4double x0,y0,z0,theta,phi,xMom0,yMom0,zMom0,e0,de;
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fShoot=false;
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x0=0; y0=0; z0=0; theta=0; phi=0; e0=0;
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// Coefficient computation
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if (fEmission==1)
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{
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fDetector->SetCoef(1);
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fShoot=true;
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de = 0;
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if (numEvent== 1) {theta = -0.00500; phi = -0.00500; de = -0.0050; }
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if (numEvent== 2) {theta = -0.005/3; phi = -0.00500; de = -0.0050; }
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if (numEvent== 3) {theta = 0.005/3; phi = -0.00500; de = -0.0050; }
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if (numEvent== 4) {theta = 0.00500; phi = -0.00500; de = -0.0050; }
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if (numEvent== 5) {theta = -0.00500; phi = -0.005/3; de = -0.0050; }
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if (numEvent== 6) {theta = -0.005/3; phi = -0.005/3; de = -0.0050; }
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if (numEvent== 7) {theta = 0.005/3; phi = -0.005/3; de = -0.0050; }
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if (numEvent== 8) {theta = 0.00500; phi = -0.005/3; de = -0.0050; }
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if (numEvent== 9) {theta = -0.00500; phi = 0.005/3; de = -0.0050; }
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if (numEvent== 10) {theta = -0.005/3; phi = 0.005/3; de = -0.0050; }
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if (numEvent== 11) {theta = 0.005/3; phi = 0.005/3; de = -0.0050; }
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if (numEvent== 12) {theta = 0.00500; phi = 0.005/3; de = -0.0050; }
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if (numEvent== 13) {theta = -0.00500; phi = 0.00500; de = -0.0050; }
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if (numEvent== 14) {theta = -0.005/3; phi = 0.00500; de = -0.0050; }
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if (numEvent== 15) {theta = 0.005/3; phi = 0.00500; de = -0.0050; }
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if (numEvent== 16) {theta = 0.00500; phi = 0.00500; de = -0.0050; }
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if (numEvent== 17) {theta = -0.00500; phi = -0.00500; de = 0.0050; }
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if (numEvent== 18) {theta = -0.005/3; phi = -0.00500; de = 0.0050; }
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if (numEvent== 19) {theta = 0.005/3; phi = -0.00500; de = 0.0050; }
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if (numEvent== 20) {theta = 0.00500; phi = -0.00500; de = 0.0050; }
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if (numEvent== 21) {theta = -0.00500; phi = -0.005/3; de = 0.0050; }
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if (numEvent== 22) {theta = -0.005/3; phi = -0.005/3; de = 0.0050; }
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if (numEvent== 23) {theta = 0.005/3; phi = -0.005/3; de = 0.0050; }
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if (numEvent== 24) {theta = 0.00500; phi = -0.005/3; de = 0.0050; }
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if (numEvent== 25) {theta = -0.00500; phi = 0.005/3; de = 0.0050; }
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if (numEvent== 26) {theta = -0.005/3; phi = 0.005/3; de = 0.0050; }
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if (numEvent== 27) {theta = 0.005/3; phi = 0.005/3; de = 0.0050; }
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if (numEvent== 28) {theta = 0.00500; phi = 0.005/3; de = 0.0050; }
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if (numEvent== 29) {theta = -0.00500; phi = 0.00500; de = 0.0050; }
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if (numEvent== 30) {theta = -0.005/3; phi = 0.00500; de = 0.0050; }
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if (numEvent== 31) {theta = 0.005/3; phi = 0.00500; de = 0.0050; }
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if (numEvent== 32) {theta = 0.00500; phi = 0.00500; de = 0.0050; }
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theta=theta*200*fAngleMax*1e-3;
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phi=phi*200*fAngleMax*1e-3;
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de=de/100;
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e0 = 3*MeV + 2*de*3*MeV;
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x0 = 0;
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y0 = 0;
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z0 = -8870*mm;
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// triplet only
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//z0 = -3230*mm;
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G4float cte = 1 ;
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G4float DE = 100*de;
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phi = phi * 1000;
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theta = theta * 1000;
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// Matrix filling up
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fBeamMatrix(numEvent,1) = cte;
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fBeamMatrix(numEvent,2) = theta;
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fBeamMatrix(numEvent,3) = phi;
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fBeamMatrix(numEvent,4) = DE;
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fBeamMatrix(numEvent,5) = theta * theta;
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fBeamMatrix(numEvent,6) = theta * phi;
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fBeamMatrix(numEvent,7) = phi * phi;
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fBeamMatrix(numEvent,8) = theta * DE;
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fBeamMatrix(numEvent,9) = phi * DE;
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fBeamMatrix(numEvent,10) = theta * theta * theta;
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fBeamMatrix(numEvent,11) = theta * theta * phi;
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fBeamMatrix(numEvent,12) = theta * phi * phi;
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fBeamMatrix(numEvent,13) = phi * phi * phi;
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fBeamMatrix(numEvent,14) = theta * theta * DE;
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fBeamMatrix(numEvent,15) = theta * phi * DE;
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fBeamMatrix(numEvent,16) = phi * phi * DE;
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fBeamMatrix(numEvent,17) = theta * theta * theta * phi;
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fBeamMatrix(numEvent,18) = theta * theta * phi * phi;
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fBeamMatrix(numEvent,19) = theta * phi * phi * phi;
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fBeamMatrix(numEvent,20) = theta * theta * theta * DE;
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fBeamMatrix(numEvent,21) = theta * theta * phi * DE;
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fBeamMatrix(numEvent,22) = theta * phi * phi * DE;
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fBeamMatrix(numEvent,23) = phi * phi * phi * DE;
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fBeamMatrix(numEvent,24) = theta * theta * theta * phi * phi;
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fBeamMatrix(numEvent,25) = theta * theta * phi * phi * phi;
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fBeamMatrix(numEvent,26) = theta * theta * theta * phi * DE;
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fBeamMatrix(numEvent,27) = theta * theta * phi * phi * DE;
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fBeamMatrix(numEvent,28) = theta * phi * phi * phi * DE;
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fBeamMatrix(numEvent,29) = theta * theta * theta * phi * phi * phi;
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fBeamMatrix(numEvent,30) = theta * theta * theta * phi * phi * DE;
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fBeamMatrix(numEvent,31) = theta * theta * phi * phi * phi * DE;
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fBeamMatrix(numEvent,32) = theta * theta * theta * phi * phi * phi * DE;
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//
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phi = phi / 1000;
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theta = theta / 1000;
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/*
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G4cout << fDetector->GetG1() << G4endl;
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G4cout << fDetector->GetG2() << G4endl;
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G4cout << fDetector->GetG3() << G4endl;
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G4cout << fDetector->GetG4() << G4endl;
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G4cout << fDetector->GetModel() << G4endl;
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G4cout << fDetector->GetCoef() << G4endl;
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G4cout << fDetector->GetGrid() << G4endl;
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*/
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} // end coefficient
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// Full beam
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if (fEmission==2)
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{
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fDetector->SetCoef(0);
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fShoot=false;
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G4double aR, angle, rR;
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aR = -1;
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e0= G4RandGauss::shoot(3*MeV,5.0955e-5*MeV); // AIFIRA ENERGY RESOLUTION
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while (aR < 0) aR = G4RandGauss::shoot(0.10e-3 , 0.06e-3/2.35) * rad; // old =0.08e-3 displacement
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angle = G4UniformRand() * 2 * CLHEP::pi *rad;
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theta = aR * std::cos(angle);
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phi = aR * std::sin(angle);
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rR = XYofAngle(aR);
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x0 = rR*std::cos(angle);
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y0 = rR*std::sin(angle);
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x0 = G4RandGauss::shoot(x0,220/2.35) *micrometer;
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theta = G4RandGauss::shoot(theta,0.03e-3/2.35);
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y0 = G4RandGauss::shoot(y0,220/2.35) *micrometer;
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phi = G4RandGauss::shoot(phi,0.03e-3/2.35);
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z0 = (-9120+250)*mm; //position C0
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if (std::sqrt(x0*x0+y0*y0)/micrometer<2000) fShoot=true;
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/*
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xMom0 = std::sin(theta);
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yMom0 = std::sin(phi);
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zMom0 = std::cos(theta);
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*/
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} // end full beam
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// shoot
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if (fShoot)
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{
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G4cout << "-> Event= " << numEvent<< ": X0(mm)= " << x0/mm << " X0(mm) = " << y0/mm << " Z0(m) = " << z0/m
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<< " THETA(mrad)= " << theta/mrad << " PHI(mrad)= " << phi/mrad << " E0(MeV)= " << e0/MeV << G4endl;
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xMom0 = std::sin(theta);
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yMom0 = std::sin(phi);
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zMom0 = std::sqrt(1.-xMom0*xMom0-yMom0*yMom0);
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fParticleGun->SetParticleEnergy(e0);
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fParticleGun->SetParticleMomentumDirection(G4ThreeVector(xMom0,yMom0,zMom0));
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fParticleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
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G4ParticleDefinition* particle=
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G4ParticleTable::GetParticleTable()->FindParticle("proton");
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fParticleGun->SetParticleDefinition(particle);
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fParticleGun->GeneratePrimaryVertex(anEvent);
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}
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// end shoot
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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void PrimaryGeneratorAction::SetEmission(G4int value)
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{
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fEmission = value;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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G4double PrimaryGeneratorAction::XYofAngle(G4double angle)// returns position in micrometers
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{
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return std::pow(20000*angle, 13);
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}
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