Gabriele Cosmo
187 lines
7.0 KiB
C++
187 lines
7.0 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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/// \file SteppingAction.cc
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/// \brief Implementation of the SteppingAction class
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//
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "SteppingAction.hh"
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#include "Run.hh"
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#include "HistoManager.hh"
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#include "G4ParticleTypes.hh"
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#include "G4RunManager.hh"
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#include "G4HadronicProcess.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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SteppingAction::SteppingAction()
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: G4UserSteppingAction()
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{ }
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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SteppingAction::~SteppingAction()
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{ }
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void SteppingAction::UserSteppingAction(const G4Step* aStep)
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{
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Run* run
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= static_cast<Run*>(G4RunManager::GetRunManager()->GetNonConstCurrentRun());
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// count processes
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//
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const G4StepPoint* endPoint = aStep->GetPostStepPoint();
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G4VProcess* process =
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const_cast<G4VProcess*>(endPoint->GetProcessDefinedStep());
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run->CountProcesses(process);
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// check that an real interaction occured (eg. not a transportation)
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G4StepStatus stepStatus = endPoint->GetStepStatus();
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G4bool transmit = (stepStatus==fGeomBoundary || stepStatus==fWorldBoundary);
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if (transmit) return;
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//real processes : sum track length
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//
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G4double stepLength = aStep->GetStepLength();
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run->SumTrack(stepLength);
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//energy-momentum balance initialisation
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//
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const G4StepPoint* prePoint = aStep->GetPreStepPoint();
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G4double Q = - prePoint->GetKineticEnergy();
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G4ThreeVector Pbalance = - prePoint->GetMomentum();
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//initialisation of the nuclear channel identification
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//
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G4ParticleDefinition* particle = aStep->GetTrack()->GetDefinition();
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G4String partName = particle->GetParticleName();
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G4String nuclearChannel = partName;
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G4HadronicProcess* hproc = dynamic_cast<G4HadronicProcess*>(process);
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const G4Isotope* target = NULL;
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if (hproc) target = hproc->GetTargetIsotope();
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G4String targetName = "XXXX";
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if (target) targetName = target->GetName();
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nuclearChannel += " + " + targetName + " --> ";
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if (targetName == "XXXX") run->SetTargetXXX(true);
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//scattered primary particle (if any)
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//
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G4AnalysisManager* analysis = G4AnalysisManager::Instance();
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G4int ih = 1;
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if (aStep->GetTrack()->GetTrackStatus() == fAlive) {
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G4double energy = endPoint->GetKineticEnergy();
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analysis->FillH1(ih,energy);
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//
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G4ThreeVector momentum = endPoint->GetMomentum();
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Q += energy;
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Pbalance += momentum;
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//
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nuclearChannel += partName + " + ";
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}
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//secondaries
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//
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const std::vector<const G4Track*>* secondary
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= aStep->GetSecondaryInCurrentStep();
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for (size_t lp=0; lp<(*secondary).size(); lp++) {
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particle = (*secondary)[lp]->GetDefinition();
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G4String name = particle->GetParticleName();
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G4String type = particle->GetParticleType();
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G4double energy = (*secondary)[lp]->GetKineticEnergy();
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run->ParticleCount(name,energy);
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//energy spectrum
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ih = 0;
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if (particle == G4Gamma::Gamma()) ih = 2;
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else if (particle == G4Electron::Electron()) ih = 3;
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else if (particle == G4Neutron::Neutron()) ih = 4;
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else if (particle == G4Proton::Proton()) ih = 5;
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else if (particle == G4Deuteron::Deuteron()) ih = 6;
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else if (particle == G4Alpha::Alpha()) ih = 7;
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else if (type == "nucleus") ih = 8;
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else if (type == "meson") ih = 9;
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else if (type == "baryon") ih = 10;
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if (ih > 0) analysis->FillH1(ih,energy);
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//atomic mass
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if (type == "nucleus") {
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G4int A = particle->GetAtomicMass();
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analysis->FillH1(13, A);
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}
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//energy-momentum balance
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G4ThreeVector momentum = (*secondary)[lp]->GetMomentum();
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Q += energy;
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Pbalance += momentum;
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//count e- from internal conversion together with gamma
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if (particle == G4Electron::Electron()) particle = G4Gamma::Gamma();
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//particle flag
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fParticleFlag[particle]++;
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}
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//energy-momentum balance
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G4double Pbal = Pbalance.mag();
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run->Balance(Pbal);
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ih = 11;
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analysis->FillH1(ih,Q);
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ih = 12;
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analysis->FillH1(ih,Pbal);
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// nuclear channel
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const G4int kMax = 16;
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const G4String conver[] = {"0","","2 ","3 ","4 ","5 ","6 ","7 ","8 ","9 ",
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"10 ","11 ","12 ","13 ","14 ","15 ","16 "};
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std::map<G4ParticleDefinition*,G4int>::iterator ip;
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for (ip = fParticleFlag.begin(); ip != fParticleFlag.end(); ip++) {
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particle = ip->first;
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G4String name = particle->GetParticleName();
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G4int nb = ip->second;
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if (nb > kMax) nb = kMax;
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G4String Nb = conver[nb];
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if (particle == G4Gamma::Gamma()) {
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run->CountGamma(nb);
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Nb = "N ";
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name = "gamma or e-";
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}
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if (ip != fParticleFlag.begin()) nuclearChannel += " + ";
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nuclearChannel += Nb + name;
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}
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///G4cout << "\n nuclear channel: " << nuclearChannel << G4endl;
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run->CountNuclearChannel(nuclearChannel, Q);
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fParticleFlag.clear();
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// kill event after first interaction
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//
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G4RunManager::GetRunManager()->AbortEvent();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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