Geant4 Cross Reference |
1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 /// \file electromagnetic/TestEm6/src/Stepping 27 /// \brief Implementation of the SteppingActio 28 // 29 // 30 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oo 32 33 #include "SteppingAction.hh" 34 35 #include "RunAction.hh" 36 37 #include "G4ParticleTypes.hh" 38 #include "G4SteppingManager.hh" 39 #include "G4VProcess.hh" 40 41 //....oooOO0OOooo........oooOO0OOooo........oo 42 43 SteppingAction::SteppingAction(RunAction* RuAc 44 { 45 fMuonMass = G4MuonPlus::MuonPlus()->GetPDGMa 46 } 47 48 //....oooOO0OOooo........oooOO0OOooo........oo 49 50 SteppingAction::~SteppingAction() {} 51 52 //....oooOO0OOooo........oooOO0OOooo........oo 53 54 void SteppingAction::UserSteppingAction(const 55 { 56 const G4VProcess* process = aStep->GetPostSt 57 if (process == 0) return; 58 G4String processName = process->GetProcessNa 59 fRunAction->CountProcesses(processName); // 60 61 if (processName != "GammaToMuPair") return; 62 63 G4StepPoint* PrePoint = aStep->GetPreStepPoi 64 G4double EGamma = PrePoint->GetTotalEnergy() 65 G4ThreeVector PGamma = PrePoint->GetMomentum 66 67 G4double Eplus(0), Eminus(0); 68 G4ThreeVector Pplus, Pminus; 69 const G4TrackVector* secondary = fpSteppingM 70 for (size_t lp = 0; lp < (*secondary).size() 71 if ((*secondary)[lp]->GetDefinition() == G 72 Eplus = (*secondary)[lp]->GetTotalEnergy 73 Pplus = (*secondary)[lp]->GetMomentum(); 74 } 75 else { 76 Eminus = (*secondary)[lp]->GetTotalEnerg 77 Pminus = (*secondary)[lp]->GetMomentum() 78 } 79 } 80 81 G4double xPlus = Eplus / EGamma, xMinus = Em 82 G4double thetaPlus = PGamma.angle(Pplus), th 83 G4double GammaPlus = Eplus / fMuonMass; 84 G4double GammaMinus = Eminus / fMuonMass; 85 86 G4AnalysisManager* analysisManager = G4Analy 87 88 if (0.0 == thetaPlus || 0.0 == thetaMinus) { 89 G4cout << "SteppingAction: " 90 << "thetaPlus= " << thetaPlus << " 91 << " gamPlus= " << GammaPlus << " g 92 << thetaPlus * GammaPlus - thetaMin 93 return; 94 } 95 analysisManager->FillH1(1, 1. / (1. + std::p 96 analysisManager->FillH1(2, std::log10(thetaP 97 98 analysisManager->FillH1(3, std::log10(thetaM 99 analysisManager->FillH1(4, 100 std::log10(std::fabs 101 102 analysisManager->FillH1(5, xPlus); 103 analysisManager->FillH1(6, xMinus); 104 } 105 106 //....oooOO0OOooo........oooOO0OOooo........oo 107