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0001 //
0002 // ********************************************************************
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0025 //
0026 /// \file SteppingAction.cc
0027 /// \brief Implementation of the SteppingAction class
0028 //
0029 //
0030 
0031 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0032 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0033 
0034 #include "SteppingAction.hh"
0035 
0036 #include "Run.hh"
0037 
0038 #include "G4DecayProducts.hh"
0039 #include "G4DecayTable.hh"
0040 #include "G4LossTableManager.hh"
0041 #include "G4ParticleDefinition.hh"
0042 #include "G4ParticleTypes.hh"
0043 #include "G4Step.hh"
0044 #include "G4StepPoint.hh"
0045 #include "G4SystemOfUnits.hh"
0046 #include "G4TouchableHistory.hh"
0047 #include "G4Track.hh"
0048 #include "G4VDecayChannel.hh"
0049 #include "G4VPhysicalVolume.hh"
0050 #include "G4VTouchable.hh"
0051 
0052 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0053 
0054 SteppingAction::SteppingAction() : G4UserSteppingAction()
0055 {
0056   Initialize();
0057 }
0058 
0059 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0060 
0061 SteppingAction::~SteppingAction() {}
0062 
0063 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0064 
0065 void SteppingAction::Initialize()
0066 {
0067   // Initialization needed at the beginning of each Run
0068   fRunPtr = nullptr;
0069   fToleranceEPviolations = 1.0 * CLHEP::eV;  //***LOOKHERE***
0070   fPrimaryParticleId = 0;
0071   fPrimaryParticleInitialKineticEnergy = 0.0;
0072   fPrimaryParticleInitialTotalEnergy = 0.0;
0073   fPrimaryParticleInitialMomentum = 0.0;
0074   fPrimaryParticleInitialBeta = 1.0;
0075   fPrimaryParticleInitialGamma = 1.0;
0076   fPrimaryParticleInitial3Momentum = G4ThreeVector(0.0, 0.0, 0.0);
0077   fPrimaryParticleInitialPosition = G4ThreeVector(0.0, 0.0, 0.0);
0078   fMaxEkin_deltaMax = 0.0;
0079   fMaxEtot_deltaMax = 0.0;
0080   fMaxP_deltaMax = 0.0;
0081   fMaxPdir_deltaMax = 0.0;
0082   fMaxMass_deltaMax1 = 0.0;
0083   fMaxMass_deltaMax2 = 0.0;
0084   fMaxMass_deltaMax3 = 0.0;
0085   fMeanMass_deltaMax3 = 0.0;
0086   fMaxBeta_deltaMax1 = 0.0;
0087   fMaxBeta_deltaMax2 = 0.0;
0088   fMaxGamma_deltaMax1 = 0.0;
0089   fMaxGamma_deltaMax2 = 0.0;
0090   fMaxGamma_deltaMax3 = 0.0;
0091   fMaxT_proper_deltaMax = 0.0;
0092   fMaxT_lab_deltaMax = 0.0;
0093   fMaxMc_truth_rPos_deltaMax = 0.0;
0094   fMeanMc_truth_rPos_deltaMax = 0.0;
0095   fMeanDeltaR_primaryDecay = 0.0;
0096   fMinDeltaR_primaryDecay = 9999999.9;
0097   fMaxDeltaR_primaryDecay = -9999999.9;
0098   fMeanR_primaryDecay = 0.0;
0099   fMinR_primaryDecay = 9999999.9;
0100   fMaxR_primaryDecay = -9999999.9;
0101   fMeanX_primaryDecay = 0.0;
0102   fMinX_primaryDecay = 9999999.9;
0103   fMaxX_primaryDecay = -9999999.9;
0104   fMeanY_primaryDecay = 0.0;
0105   fMinY_primaryDecay = 9999999.9;
0106   fMaxY_primaryDecay = -9999999.9;
0107   fMeanZ_primaryDecay = 0.0;
0108   fMinZ_primaryDecay = 9999999.9;
0109   fMaxZ_primaryDecay = -9999999.9;
0110   fMeanDeltaAngle_primaryDecay = 0.0;
0111   fMinDeltaAngle_primaryDecay = 9999999.9;
0112   fMaxDeltaAngle_primaryDecay = -9999999.9;
0113   fMeanDeltaEkin_primaryDecay = 0.0;
0114   fMinDeltaEkin_primaryDecay = 9999999.9;
0115   fMaxDeltaEkin_primaryDecay = -9999999.9;
0116   fMeanEkin_primaryDecay = 0.0;
0117   fMinEkin_primaryDecay = 9999999.9;
0118   fMaxEkin_primaryDecay = -9999999.9;
0119   fMeanPx_primaryDecay = 0.0;
0120   fMinPx_primaryDecay = 9999999.9;
0121   fMaxPx_primaryDecay = -9999999.9;
0122   fMeanPy_primaryDecay = 0.0;
0123   fMinPy_primaryDecay = 9999999.9;
0124   fMaxPy_primaryDecay = -9999999.9;
0125   fMeanPz_primaryDecay = 0.0;
0126   fMinPz_primaryDecay = 9999999.9;
0127   fMaxPz_primaryDecay = -9999999.9;
0128   fMinUnderestimated_mc_truth_rPos_delta = 9999999.9;
0129   fMaxOverestimated_mc_truth_rPos_delta = -9999999.9;
0130   fMeanUnderestimated_mc_truth_rPos_delta = 0.0;
0131   fMeanOverestimated_mc_truth_rPos_delta = 0.0;
0132   fMinUnderestimated_rDeltaPos = 9999999.9;
0133   fMaxOverestimated_rDeltaPos = -9999999.9;
0134   fMeanUnderestimated_rDeltaPos = 0.0;
0135   fMeanOverestimated_rDeltaPos = 0.0;
0136   fMaxFloat_rDeltaPos_deltaMax = -9999999.9;
0137   fMeanViolationE_primaryDecay = 0.0;
0138   fMinViolationE_primaryDecay = 9999999.9;
0139   fMaxViolationE_primaryDecay = -9999999.9;
0140   fMeanViolationPx_primaryDecay = 0.0;
0141   fMinViolationPx_primaryDecay = 9999999.9;
0142   fMaxViolationPx_primaryDecay = -9999999.9;
0143   fMeanViolationPy_primaryDecay = 0.0;
0144   fMinViolationPy_primaryDecay = 9999999.9;
0145   fMaxViolationPy_primaryDecay = -9999999.9;
0146   fMeanViolationPz_primaryDecay = 0.0;
0147   fMinViolationPz_primaryDecay = 9999999.9;
0148   fMaxViolationPz_primaryDecay = -9999999.9;
0149 }
0150 
0151 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0152 
0153 void SteppingAction::UserSteppingAction(const G4Step* theStep)
0154 {
0155   // Store the information about the ID and the kinetic energy of the primary particle,
0156   // at the first step of the first event.
0157   // Note that for the kinetic energy, we are considering the "pre-step" point of such first step.
0158   if (theStep->GetTrack()->GetParentID() == 0 && theStep->GetTrack()->GetCurrentStepNumber() == 1) {
0159     fPrimaryParticleId = theStep->GetTrack()->GetDefinition()->GetPDGEncoding();
0160     fPrimaryParticleInitialKineticEnergy = theStep->GetPreStepPoint()->GetKineticEnergy();
0161     fPrimaryParticleInitialTotalEnergy = theStep->GetPreStepPoint()->GetTotalEnergy();
0162     fPrimaryParticleInitial3Momentum = theStep->GetPreStepPoint()->GetMomentum();
0163     fPrimaryParticleInitialMomentum = fPrimaryParticleInitial3Momentum.mag();
0164     fPrimaryParticleInitialPosition = theStep->GetPreStepPoint()->GetPosition();
0165     fPrimaryParticleInitialBeta = theStep->GetPreStepPoint()->GetBeta();
0166     fPrimaryParticleInitialGamma = theStep->GetPreStepPoint()->GetGamma();
0167     // As tolerance for EP violations, consider the max value between the default value
0168     // and 1 billionth of the initial, primary particle kinetic energy.
0169     if (fToleranceEPviolations < fPrimaryParticleInitialKineticEnergy * 1.0e-9) {
0170       fToleranceEPviolations = fPrimaryParticleInitialKineticEnergy * 1.0e-9;
0171     }
0172     // Set the values of this run to the Run object
0173     if (fRunPtr) {
0174       fRunPtr->SetPrimaryParticleId(fPrimaryParticleId);
0175       fRunPtr->SetPrimaryParticleInitialKineticEnergy(fPrimaryParticleInitialKineticEnergy);
0176       fRunPtr->SetPrimaryParticleInitialTotalEnergy(fPrimaryParticleInitialTotalEnergy);
0177       fRunPtr->SetPrimaryParticleInitialMomentum(fPrimaryParticleInitialMomentum);
0178       fRunPtr->SetPrimaryParticleInitialBeta(fPrimaryParticleInitialBeta);
0179       fRunPtr->SetPrimaryParticleInitialGamma(fPrimaryParticleInitialGamma);
0180       fRunPtr->SetPrimaryParticleInitial3Momentum(fPrimaryParticleInitial3Momentum);
0181       fRunPtr->SetPrimaryParticleInitialPosition(fPrimaryParticleInitialPosition);
0182       fRunPtr->SetToleranceEPviolations(ToleranceEPviolations());
0183       fRunPtr->SetToleranceDeltaDecayRadius(ToleranceDeltaDecayRadius());
0184       fRunPtr->SetIsPreassignedDecayEnabled(IsPreassignedDecayEnabled());
0185       fRunPtr->SetIsBoostToLabEnabled(IsBoostToLabEnabled());
0186     }
0187     // Use the preassigned decay is enabled
0188     if (IsPreassignedDecayEnabled() && (!theStep->GetTrack()->GetDefinition()->GetPDGStable())) {
0189       G4DynamicParticle* dynamicParent =
0190         const_cast<G4DynamicParticle*>(theStep->GetTrack()->GetDynamicParticle());
0191       if (dynamicParent != nullptr) {
0192         G4DecayProducts* decayProducts =
0193           (G4DecayProducts*)(dynamicParent->GetPreAssignedDecayProducts());
0194         if (decayProducts == nullptr) {
0195           G4ParticleDefinition* parentDef = theStep->GetTrack()->GetDefinition();
0196           G4DecayTable* decayTable = (parentDef == nullptr ? nullptr : parentDef->GetDecayTable());
0197           if (decayTable != nullptr) {
0198             G4double parentMass = dynamicParent->GetMass();
0199             G4VDecayChannel* decayChannel = decayTable->SelectADecayChannel(parentMass);
0200             if (decayChannel != nullptr) {
0201               decayProducts = decayChannel->DecayIt(parentMass);
0202               if (!decayProducts->IsChecked()) decayProducts->DumpInfo();
0203               if (IsBoostToLabEnabled()) {
0204                 // boost all decay products to laboratory frame
0205                 decayProducts->Boost(dynamicParent->GetTotalEnergy(),
0206                                      dynamicParent->GetMomentumDirection());
0207               }
0208             }
0209             else {
0210               decayProducts = new G4DecayProducts(*dynamicParent);
0211             }
0212             dynamicParent->SetPreAssignedDecayProducts(decayProducts);
0213           }
0214         }
0215         else {
0216           G4cout << "WARNING : already present preassign decay !" << G4endl;
0217         }
0218       }
0219     }
0220   }
0221 
0222   // G4cout << theStep->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName() << G4endl;
0223 
0224   // If the primary decays somewhere inside the World volume, get the information about the decay
0225   if (theStep->GetTrack()->GetParentID() == 0
0226       && theStep->GetPostStepPoint()->GetProcessDefinedStep() != nullptr
0227       && theStep->GetPostStepPoint()->GetProcessDefinedStep()->GetProcessName().find("Decay")
0228            != std::string::npos)
0229   {
0230     // Get properties of the primary particle when it decays
0231 
0232     //--- Get values in different ways and check their consistency ---
0233     // Kinetic energy of the primary particle at the decay
0234     const G4double ekin_dynamicParticle =
0235       theStep->GetTrack()->GetDynamicParticle()->GetKineticEnergy();
0236     const G4double ekin_track = theStep->GetTrack()->GetKineticEnergy();
0237     const G4double ekin_postStepPoint = theStep->GetPostStepPoint()->GetKineticEnergy();
0238     const G4double ekin_deltaMax = std::max(std::abs(ekin_dynamicParticle - ekin_track),
0239                                             std::abs(ekin_dynamicParticle - ekin_postStepPoint));
0240     // G4cout << "\t ekin_deltaMax [eV] = " << ekin_deltaMax / CLHEP::eV << G4endl;
0241     const G4double ekin_val = ekin_dynamicParticle;  // To be used later
0242     // Total energy of the primary particle at the decay
0243     const G4double etot_dynamicParticle =
0244       theStep->GetTrack()->GetDynamicParticle()->GetTotalEnergy();
0245     const G4double etot_track = theStep->GetTrack()->GetTotalEnergy();
0246     const G4double etot_postStepPoint = theStep->GetPostStepPoint()->GetTotalEnergy();
0247     const G4double etot_deltaMax = std::max(std::abs(etot_dynamicParticle - etot_track),
0248                                             std::abs(etot_dynamicParticle - etot_postStepPoint));
0249     // G4cout << "\t etot_deltaMax [eV] = " << etot_deltaMax / CLHEP::eV << G4endl;
0250     const G4double etot_val = etot_dynamicParticle;  // To be used later
0251     // Module of the 3-momentum of the primary particle at the decay
0252     const G4double p_dynamicParticle =
0253       theStep->GetTrack()->GetDynamicParticle()->GetMomentum().mag();
0254     const G4double p_track = theStep->GetTrack()->GetMomentum().mag();
0255     const G4double p_postStepPoint = theStep->GetPostStepPoint()->GetMomentum().mag();
0256     const G4double p_deltaMax = std::max(std::abs(p_dynamicParticle - p_track),
0257                                          std::abs(p_dynamicParticle - p_postStepPoint));
0258     // G4cout << "\t p_deltaMax [eV] = " << p_deltaMax / CLHEP::eV << G4endl;
0259     const G4double p_val = p_dynamicParticle;  // To be used later
0260     // 3-momentum direction (adimensional) of the primary particle at the decay
0261     const G4ThreeVector pdir_dynamicParticle =
0262       theStep->GetTrack()->GetDynamicParticle()->GetMomentumDirection();
0263     const G4ThreeVector pdir_track = theStep->GetTrack()->GetMomentumDirection();
0264     const G4ThreeVector pdir_postStepPoint = theStep->GetPostStepPoint()->GetMomentumDirection();
0265     const G4double pdir_x_deltaMax =
0266       std::max(std::abs(pdir_dynamicParticle.x() - pdir_track.x()),
0267                std::abs(pdir_dynamicParticle.x() - pdir_postStepPoint.x()));
0268     const G4double pdir_y_deltaMax =
0269       std::max(std::abs(pdir_dynamicParticle.y() - pdir_track.y()),
0270                std::abs(pdir_dynamicParticle.y() - pdir_postStepPoint.y()));
0271     const G4double pdir_z_deltaMax =
0272       std::max(std::abs(pdir_dynamicParticle.z() - pdir_track.z()),
0273                std::abs(pdir_dynamicParticle.z() - pdir_postStepPoint.z()));
0274     const G4double pdir_deltaMax =
0275       std::max(std::max(pdir_x_deltaMax, pdir_y_deltaMax), pdir_z_deltaMax);
0276     // G4cout << "\t pdir_deltaMax = " << pdir_deltaMax << G4endl;
0277     //  Mass of the primary particle at the decay
0278     const G4double mass_dynamicParticle = theStep->GetTrack()->GetDynamicParticle()->GetMass();
0279     const G4double mass_preStepPoint = theStep->GetPreStepPoint()->GetMass();
0280     const G4double mass_postStepPoint = theStep->GetPostStepPoint()->GetMass();
0281     const G4double mass_from_etot_ekin = etot_val - ekin_val;
0282     const G4double mass_from4mom = std::sqrt(etot_val * etot_val - p_val * p_val);
0283     G4double mass_deltaMax1 = std::max(std::abs(mass_dynamicParticle - mass_preStepPoint),
0284                                        std::abs(mass_dynamicParticle - mass_postStepPoint));
0285     G4double mass_deltaMax2 = std::abs(mass_dynamicParticle - mass_from_etot_ekin);
0286     G4double mass_deltaMax3 = std::abs(mass_dynamicParticle - mass_from4mom);
0287     fMeanMass_deltaMax3 += mass_deltaMax3;
0288     // G4cout << "\t mass_deltaMax{1,2,3} [eV] = " << mass_deltaMax1 / CLHEP::eV << "\t"
0289     //        << mass_deltaMax2 / CLHEP::eV << "\t" << mass_deltaMax3 / CLHEP::eV << G4endl;
0290     const G4double mass_val = mass_dynamicParticle;  // To be used later
0291     // Lorentz beta of the primary particle at the decay
0292     // The following line works only for G4 versions >= 10.7
0293     const G4double beta_dynamicParticle = theStep->GetTrack()->GetDynamicParticle()->GetBeta();
0294     const G4double beta_postStepPoint = theStep->GetPostStepPoint()->GetBeta();
0295     // Before-10.7  const G4double beta_dynamicParticle = beta_postStepPoint;
0296     const G4double beta_velocity_track = theStep->GetTrack()->GetVelocity() / CLHEP::c_light;
0297     const G4double beta_velocity_postStepPoint =
0298       theStep->GetPostStepPoint()->GetVelocity() / CLHEP::c_light;
0299     const G4double beta_p_over_etot = p_val / etot_val;
0300     G4double beta_deltaMax1 = std::max(std::abs(beta_dynamicParticle - beta_postStepPoint),
0301                                        std::abs(beta_dynamicParticle - beta_velocity_track));
0302     beta_deltaMax1 =
0303       std::max(beta_deltaMax1, std::abs(beta_dynamicParticle - beta_velocity_postStepPoint));
0304     const G4double beta_deltaMax2 = std::abs(beta_dynamicParticle - beta_p_over_etot);
0305     // G4cout << "\t beta_deltaMax{1,2} = " << beta_deltaMax1 << " , " << beta_deltaMax2 << G4endl;
0306     const G4double beta_val = beta_dynamicParticle;  // To be used later
0307     // Lorentz gamma of the primary particle at the decay
0308     const G4double gamma_postStepPoint = theStep->GetPostStepPoint()->GetGamma();
0309     const G4double gamma_from_e_over_m = etot_val / mass_val;
0310     const G4double gamma_deltaMax1 = std::abs(gamma_postStepPoint - gamma_from_e_over_m);
0311     G4double gamma_from_beta = 0.0;
0312     G4double gamma_deltaMax2 = 0.0;
0313     G4double gamma_deltaMax3 = 0.0;
0314     if (beta_val < 1.0) {
0315       gamma_from_beta = 1.0 / std::sqrt(1.0 - beta_val * beta_val);
0316       gamma_deltaMax2 = std::abs(gamma_postStepPoint - gamma_from_beta);
0317       gamma_deltaMax3 = std::abs(gamma_from_e_over_m - gamma_from_beta);
0318     }
0319     const G4double gamma_val = gamma_postStepPoint;  // To be used later;
0320     // G4cout << "\t gamma_deltaMax{1,2,3} = " << gamma_deltaMax1 << " , " << gamma_deltaMax2
0321     //        << " , " << gamma_deltaMax3  << " ; gamma_postStepPoint = " << gamma_postStepPoint
0322     //        << " ; gamma_from_e_over_m = " << gamma_from_e_over_m << " ; gamma_from_beta = "
0323     //        << gamma_from_beta << G4endl;
0324     //  Proper time of the primary particle at the decay
0325     const G4double t_proper_track = theStep->GetTrack()->GetProperTime();
0326     const G4double t_proper_postStepPoint = theStep->GetPostStepPoint()->GetProperTime();
0327     const G4double t_proper_deltaMax = std::abs(t_proper_track - t_proper_postStepPoint);
0328     // G4cout << "\t t_proper_deltaMax [fs] = " << t_proper_deltaMax / femtosecond << G4endl;
0329     const G4double t_proper_val = t_proper_track;  // To be used later
0330     // Lab time of the primary particle at the decay
0331     // (Note: it would be wrong to trying to compute this lab time from the
0332     //        above proper time via the simple formula:
0333     //          const G4double t_lab_from_gamma = t_proper_val * gamma_val;
0334     //        because the gamma value of the primary particle has changed
0335     //        during its lifetime.)
0336     const G4double t_local_track = theStep->GetTrack()->GetLocalTime();
0337     const G4double t_local_postStepPoint = theStep->GetPostStepPoint()->GetLocalTime();
0338     const G4double t_global_track = theStep->GetTrack()->GetGlobalTime();
0339     const G4double t_global_postStepPoint = theStep->GetPostStepPoint()->GetGlobalTime();
0340     G4double t_lab_deltaMax = std::max(std::abs(t_local_track - t_local_postStepPoint),
0341                                        std::abs(t_local_track - t_global_track));
0342     t_lab_deltaMax = std::max(t_lab_deltaMax, std::abs(t_local_track - t_global_postStepPoint));
0343     // G4cout << "\t t_lab_deltaMax [fs] = " << t_lab_deltaMax / femtosecond << G4endl;
0344     const G4double t_lab_val = t_local_track;  // To be used later
0345     // "MC-truth" decay radius of the primary particle at the decay
0346     // (defined as the one that would happen if there are neither magnetic field effects
0347     // nor interactions with matter).
0348     const G4double primaryBeta =
0349       fPrimaryParticleInitialMomentum / fPrimaryParticleInitialTotalEnergy;
0350     const G4double mc_truth_rPos1 = t_lab_val * fPrimaryParticleInitialBeta * CLHEP::c_light;
0351     const G4double mc_truth_rPos2 = t_lab_val * primaryBeta * CLHEP::c_light;
0352     const G4double mc_truth_rPos_deltaMax = std::abs(mc_truth_rPos1 - mc_truth_rPos2);
0353     fMeanMc_truth_rPos_deltaMax += mc_truth_rPos_deltaMax;
0354     // G4cout << "\t mc_truth_rPos_deltaMax [mum] = "
0355     //        << mc_truth_rPos_deltaMax / CLHEP::micrometer << G4endl;
0356     if (mc_truth_rPos_deltaMax > ToleranceDeltaDecayRadius()) {
0357       // G4cout << std::setprecision(6)
0358       //        << " Large : mc_truth_rPos_deltaMax [mum]="
0359       //        << mc_truth_rPos_deltaMax / CLHEP::micrometer
0360       //        << " ; " << mc_truth_rPos1 << " , " << mc_truth_rPos2 << " mm" << G4endl;
0361       if (fRunPtr) fRunPtr->IncrementNumber_mc_truth_rPos_deltaMax_above();
0362     }
0363     const G4double mc_truth_rPos_val = mc_truth_rPos1;  // To be used later
0364     // Keep note of the biggest discrepancies
0365     fMaxEkin_deltaMax = std::max(fMaxEkin_deltaMax, ekin_deltaMax);
0366     fMaxEtot_deltaMax = std::max(fMaxEtot_deltaMax, etot_deltaMax);
0367     fMaxP_deltaMax = std::max(fMaxP_deltaMax, p_deltaMax);
0368     fMaxPdir_deltaMax = std::max(fMaxPdir_deltaMax, pdir_deltaMax);
0369     fMaxMass_deltaMax1 = std::max(fMaxMass_deltaMax1, mass_deltaMax1);
0370     fMaxMass_deltaMax2 = std::max(fMaxMass_deltaMax2, mass_deltaMax2);
0371     fMaxMass_deltaMax3 = std::max(fMaxMass_deltaMax3, mass_deltaMax3);
0372     fMaxBeta_deltaMax1 = std::max(fMaxBeta_deltaMax1, beta_deltaMax1);
0373     fMaxBeta_deltaMax2 = std::max(fMaxBeta_deltaMax2, beta_deltaMax2);
0374     fMaxGamma_deltaMax1 = std::max(fMaxGamma_deltaMax1, gamma_deltaMax1);
0375     fMaxGamma_deltaMax2 = std::max(fMaxGamma_deltaMax2, gamma_deltaMax2);
0376     fMaxGamma_deltaMax3 = std::max(fMaxGamma_deltaMax3, gamma_deltaMax3);
0377     fMaxT_lab_deltaMax = std::max(fMaxT_lab_deltaMax, t_lab_deltaMax);
0378     fMaxT_proper_deltaMax = std::max(fMaxT_proper_deltaMax, t_proper_deltaMax);
0379     fMaxMc_truth_rPos_deltaMax = std::max(fMaxMc_truth_rPos_deltaMax, mc_truth_rPos_deltaMax);
0380     //--- End consistency checks ---
0381 
0382     // Global position
0383     const G4double xPos = theStep->GetPostStepPoint()->GetPosition().x();
0384     const G4double yPos = theStep->GetPostStepPoint()->GetPosition().y();
0385     const G4double zPos = theStep->GetPostStepPoint()->GetPosition().z();
0386     const G4double rPos = std::sqrt(xPos * xPos + yPos * yPos + zPos * zPos);
0387     // I have verified that for this case in which only primaries are considered, the
0388     // "GetGlobalTime()" is the same as "GetLocalTime()" (the one we use).
0389     // Moreover, this value is also the same as "GetProperTime()"*gamma .
0390     G4double tPos = theStep->GetPostStepPoint()->GetLocalTime();
0391     // The "MC-truth" decay radius is defined as the one that would happen if there are
0392     // neither magnetic field effects nor interactions with matter.
0393     const G4double mc_truth_rPos = tPos * fPrimaryParticleInitialBeta * CLHEP::c_light;
0394     const G4double rDeltaPos = mc_truth_rPos - rPos;
0395     const G4double eKin = theStep->GetPostStepPoint()->GetKineticEnergy();
0396     const G4double xMom = theStep->GetPostStepPoint()->GetMomentum().x();
0397     const G4double yMom = theStep->GetPostStepPoint()->GetMomentum().y();
0398     const G4double zMom = theStep->GetPostStepPoint()->GetMomentum().z();
0399     // The compute here the angular deflection, in degrees, between the initial direction of
0400     // the primary particle - which is along the x-axis, and its direction when it decays.
0401     G4double xDirection = std::min(theStep->GetPostStepPoint()->GetMomentumDirection().x(), 1.0);
0402     if (xDirection < -1.0) xDirection = -1.0;
0403     const G4double deflection_angle_in_degrees = 57.29 * std::acos(xDirection);
0404     const G4double delta_ekin = fPrimaryParticleInitialKineticEnergy - eKin;
0405     // G4cout << std::setprecision(6)
0406     //        << " Decay: tPos[ns]=" << tPos << " ; rPos[mm]=" << rPos << " ; deltaR[mum]="
0407     //        << rDeltaPos /CLHEP::micrometer << " ; deltaEkin[MeV]=" << delta_ekin
0408     //        << " ; deltaAngle(deg)=" << deflection_angle_in_degrees << G4endl;
0409     //  If the absolute difference between the "MC-truth" decay radius and the real one is above a
0410     //  given threshold, then we notify this special situation in the output, with "LARGE_DELTA_R"
0411     //  for post-processing evaluation. Moreover, in this case, if the "MC-truth" decay radius is
0412     //  smaller than the real one, then we count this unexpected occurrence and we further notify
0413     //  this special situation in the output with "***UNEXPECTED***" for post-processing
0414     //  evaluation.
0415     if (std::abs(rDeltaPos) > ToleranceDeltaDecayRadius()) {
0416       // G4cout << "\t LARGE_DELTA_R : mc_truth_rPos[mm]=" << mc_truth_rPos
0417       //        << " ; rPos[mm]=" << rPos;
0418       if (rDeltaPos < 0.0) {
0419         // G4cout << "\t ***UNEXPECTED***";
0420         if (fRunPtr) fRunPtr->IncrementNumberUnexpectedDecays();
0421       }
0422       // G4cout << G4endl;
0423     }
0424     fMeanDeltaR_primaryDecay += rDeltaPos;
0425     fMinDeltaR_primaryDecay = std::min(fMinDeltaR_primaryDecay, rDeltaPos);
0426     fMaxDeltaR_primaryDecay = std::max(fMaxDeltaR_primaryDecay, rDeltaPos);
0427     fMeanR_primaryDecay += rPos;
0428     fMinR_primaryDecay = std::min(fMinR_primaryDecay, rPos);
0429     fMaxR_primaryDecay = std::max(fMaxR_primaryDecay, rPos);
0430     fMeanX_primaryDecay += xPos;
0431     fMinX_primaryDecay = std::min(fMinX_primaryDecay, xPos);
0432     fMaxX_primaryDecay = std::max(fMaxX_primaryDecay, xPos);
0433     fMeanY_primaryDecay += yPos;
0434     fMinY_primaryDecay = std::min(fMinY_primaryDecay, yPos);
0435     fMaxY_primaryDecay = std::max(fMaxY_primaryDecay, yPos);
0436     fMeanZ_primaryDecay += zPos;
0437     fMinZ_primaryDecay = std::min(fMinZ_primaryDecay, zPos);
0438     fMaxZ_primaryDecay = std::max(fMaxZ_primaryDecay, zPos);
0439     fMeanDeltaAngle_primaryDecay += deflection_angle_in_degrees;
0440     fMinDeltaAngle_primaryDecay =
0441       std::min(fMinDeltaAngle_primaryDecay, deflection_angle_in_degrees);
0442     fMaxDeltaAngle_primaryDecay =
0443       std::max(fMaxDeltaAngle_primaryDecay, deflection_angle_in_degrees);
0444     fMeanDeltaEkin_primaryDecay += delta_ekin;
0445     fMinDeltaEkin_primaryDecay = std::min(fMinDeltaEkin_primaryDecay, delta_ekin);
0446     fMaxDeltaEkin_primaryDecay = std::max(fMaxDeltaEkin_primaryDecay, delta_ekin);
0447     fMeanEkin_primaryDecay += eKin;
0448     fMinEkin_primaryDecay = std::min(fMinEkin_primaryDecay, eKin);
0449     fMaxEkin_primaryDecay = std::max(fMaxEkin_primaryDecay, eKin);
0450     fMeanPx_primaryDecay += xMom;
0451     fMinPx_primaryDecay = std::min(fMinPx_primaryDecay, xMom);
0452     fMaxPx_primaryDecay = std::max(fMaxPx_primaryDecay, xMom);
0453     fMeanPy_primaryDecay += yMom;
0454     fMinPy_primaryDecay = std::min(fMinPy_primaryDecay, yMom);
0455     fMaxPy_primaryDecay = std::max(fMaxPy_primaryDecay, yMom);
0456     fMeanPz_primaryDecay += zMom;
0457     fMinPz_primaryDecay = std::min(fMinPz_primaryDecay, zMom);
0458     fMaxPz_primaryDecay = std::max(fMaxPz_primaryDecay, zMom);
0459 
0460     //--- Extra checks ---
0461     // Compute the "MC-truth" decay radius using the proper time of the primary particle when
0462     // it decays.
0463     // To do this, we would need an "effective" or "average" Lorentz beta and gamma of the primary
0464     // particle during its lifetime, whereas in practice we have only the Lorentz beta and gamma
0465     // values at the beginning and at the end when it decays. So, we can get only either an
0466     // overestimate of the "MC-truth" decay radius - by using the initial Lorentz beta and gamma -
0467     // or an underestimate of it - by using the Lorentz beta and gamma at the decay.
0468     // We want to check the average values and the largest values of these wrong estimates.
0469     const G4double underestimated_mc_truth_rPos =
0470       t_proper_val * gamma_val * beta_val * CLHEP::c_light;
0471     const G4double overestimated_mc_truth_rPos =
0472       t_proper_val * fPrimaryParticleInitialGamma * fPrimaryParticleInitialBeta * CLHEP::c_light;
0473     const G4double underestimated_mc_truth_rPos_delta =
0474       underestimated_mc_truth_rPos - mc_truth_rPos_val;
0475     const G4double overestimated_mc_truth_rPos_delta =
0476       overestimated_mc_truth_rPos - mc_truth_rPos_val;
0477     fMeanUnderestimated_mc_truth_rPos_delta += underestimated_mc_truth_rPos_delta;
0478     fMeanOverestimated_mc_truth_rPos_delta += overestimated_mc_truth_rPos_delta;
0479     // G4cout << "\t underestimated_mc_truth_rPos_delta [mum] = "
0480     //        << underestimated_mc_truth_rPos_delta / CLHEP::micrometer
0481     //        << " ; overestimated_mc_truth_rPos_delta [mum] = "
0482     //        << overestimated_mc_truth_rPos_delta / CLHEP::micrometer << G4endl;
0483     if (-underestimated_mc_truth_rPos_delta > ToleranceDeltaDecayRadius()) {
0484       // G4cout << std::setprecision(6)
0485       //        << " Large : underestimated_mc_truth_rPos_delta [mum]="
0486       //        << underestimated_mc_truth_rPos_delta / CLHEP::micrometer
0487       //        << " ; " << underestimated_mc_truth_rPos << " , "
0488       //        << mc_truth_rPos_val << " mm" << G4endl;
0489       if (fRunPtr) fRunPtr->IncrementNumber_underestimated_mc_truth_rPos_delta_above();
0490     }
0491     if (overestimated_mc_truth_rPos_delta > ToleranceDeltaDecayRadius()) {
0492       // G4cout << std::setprecision(6)
0493       //        << " Large : overestimated_mc_truth_rPos_delta [mum]="
0494       //        << overestimated_mc_truth_rPos_delta / CLHEP::micrometer
0495       //        << " ; " << overestimated_mc_truth_rPos << " , "
0496       //        << mc_truth_rPos_val << " mm" << G4endl;
0497       if (fRunPtr) fRunPtr->IncrementNumber_overestimated_mc_truth_rPos_delta_above();
0498     }
0499     const G4double underestimated_rDeltaPos = underestimated_mc_truth_rPos - rPos;
0500     const G4double overestimated_rDeltaPos = overestimated_mc_truth_rPos - rPos;
0501     fMeanUnderestimated_rDeltaPos += underestimated_rDeltaPos;
0502     fMeanOverestimated_rDeltaPos += overestimated_rDeltaPos;
0503     // G4cout << std::setprecision(6)
0504     //        << "\t underestimated_rDeltaPos=" << underestimated_rDeltaPos/CLHEP::micrometer
0505     //        << " ; overestimated_rDeltaPos=" << overestimated_rDeltaPos/CLHEP::micrometer
0506     //        << " mum" << G4endl;
0507     if (-underestimated_rDeltaPos > ToleranceDeltaDecayRadius()) {
0508       if (fRunPtr) fRunPtr->IncrementNumberLargeUnderestimates();
0509     }
0510     if (overestimated_rDeltaPos > ToleranceDeltaDecayRadius()) {
0511       if (fRunPtr) fRunPtr->IncrementNumberLargeOverestimates();
0512     }
0513     // Keep note of the biggest discrepancies
0514     fMinUnderestimated_mc_truth_rPos_delta =
0515       std::min(fMinUnderestimated_mc_truth_rPos_delta, underestimated_mc_truth_rPos_delta);
0516     fMaxOverestimated_mc_truth_rPos_delta =
0517       std::max(fMaxOverestimated_mc_truth_rPos_delta, overestimated_mc_truth_rPos_delta);
0518     fMinUnderestimated_rDeltaPos = std::min(fMinUnderestimated_rDeltaPos, underestimated_rDeltaPos);
0519     fMaxOverestimated_rDeltaPos = std::max(fMaxOverestimated_rDeltaPos, overestimated_rDeltaPos);
0520     //--- End extra checks ---
0521 
0522     // Check numerical errors due to the use of  float  instead of  double : try out
0523     // several, equivalent computations, taking the one with the largest numerical error.
0524     const G4float float_xPos = static_cast<G4float>(theStep->GetPostStepPoint()->GetPosition().x());
0525     const G4float float_yPos = static_cast<G4float>(theStep->GetPostStepPoint()->GetPosition().y());
0526     const G4float float_zPos = static_cast<G4float>(theStep->GetPostStepPoint()->GetPosition().z());
0527     const G4float float_rPos =
0528       std::sqrt(float_xPos * float_xPos + float_yPos * float_yPos + float_zPos * float_zPos);
0529     const G4float float_tPos = static_cast<G4float>(theStep->GetPostStepPoint()->GetLocalTime());
0530     const G4float float_initialBeta1 = static_cast<G4float>(fPrimaryParticleInitialBeta);
0531     const G4float float_initialBeta2 = static_cast<G4float>(fPrimaryParticleInitialMomentum)
0532                                        / static_cast<G4float>(fPrimaryParticleInitialTotalEnergy);
0533     const G4float float_initialGamma = static_cast<G4float>(fPrimaryParticleInitialGamma);
0534     const G4float float_initialBeta3 =
0535       std::sqrt(float_initialGamma * float_initialGamma - 1.0) / float_initialGamma;
0536     const G4float float_c_light = static_cast<G4float>(CLHEP::c_light);
0537     const G4float float_mc_truth_rPos1 = float_tPos * float_initialBeta1 * float_c_light;
0538     const G4float float_mc_truth_rPos2 = float_tPos * float_initialBeta2 * float_c_light;
0539     const G4float float_mc_truth_rPos3 = float_tPos * float_initialBeta3 * float_c_light;
0540     const G4float float_rDeltaPos_0 = static_cast<G4float>(rDeltaPos);
0541     const G4float float_rDeltaPos_1 = float_mc_truth_rPos1 - float_rPos;
0542     const G4float float_rDeltaPos_2 = float_mc_truth_rPos2 - float_rPos;
0543     const G4float float_rDeltaPos_3 = float_mc_truth_rPos3 - float_rPos;
0544     const G4float float_rDeltaPos_4 = static_cast<G4float>(mc_truth_rPos) - float_rPos;
0545     const G4float float_rDeltaPos_5 = float_mc_truth_rPos1 - static_cast<G4float>(rPos);
0546     const G4float float_rDeltaPos_6 = float_mc_truth_rPos2 - static_cast<G4float>(rPos);
0547     const G4float float_rDeltaPos_7 = float_mc_truth_rPos3 - static_cast<G4float>(rPos);
0548     G4double rDeltaPos_deltaMax =
0549       std::max(std::abs(float_rDeltaPos_0 - rDeltaPos), std::abs(float_rDeltaPos_1 - rDeltaPos));
0550     rDeltaPos_deltaMax = std::max(rDeltaPos_deltaMax, std::abs(float_rDeltaPos_2 - rDeltaPos));
0551     rDeltaPos_deltaMax = std::max(rDeltaPos_deltaMax, std::abs(float_rDeltaPos_3 - rDeltaPos));
0552     rDeltaPos_deltaMax = std::max(rDeltaPos_deltaMax, std::abs(float_rDeltaPos_4 - rDeltaPos));
0553     rDeltaPos_deltaMax = std::max(rDeltaPos_deltaMax, std::abs(float_rDeltaPos_5 - rDeltaPos));
0554     rDeltaPos_deltaMax = std::max(rDeltaPos_deltaMax, std::abs(float_rDeltaPos_6 - rDeltaPos));
0555     rDeltaPos_deltaMax = std::max(rDeltaPos_deltaMax, std::abs(float_rDeltaPos_7 - rDeltaPos));
0556     // G4cout << std::setprecision(6) << " rDeltaPos_deltaMax[mum]="
0557     //        << rDeltaPos_deltaMax / CLHEP::micrometer << G4endl;
0558     fMaxFloat_rDeltaPos_deltaMax = std::max(fMaxFloat_rDeltaPos_deltaMax, rDeltaPos_deltaMax);
0559 
0560     // Get properties of the decay products and check the energy-momentum conservation of the
0561     // decay
0562     std::size_t nSec = theStep->GetNumberOfSecondariesInCurrentStep();
0563     const std::vector<const G4Track*>* ptrVecSecondaries = theStep->GetSecondaryInCurrentStep();
0564     G4double deltaE = 0.0, deltaPx = 0.0, deltaPy = 0.0, deltaPz = 0.0;
0565     if (nSec > 0 && ptrVecSecondaries != nullptr) {
0566       G4double sumEsecondaries = 0.0;
0567       G4ThreeVector sumPsecondaries(0.0, 0.0, 0.0);
0568       for (std::size_t i = 0; i < nSec; ++i) {
0569         if ((*ptrVecSecondaries)[i]) {
0570           sumEsecondaries += (*ptrVecSecondaries)[i]->GetTotalEnergy();
0571           sumPsecondaries += (*ptrVecSecondaries)[i]->GetMomentum();
0572         }
0573       }
0574       deltaE = sumEsecondaries - theStep->GetPostStepPoint()->GetTotalEnergy();
0575       fMeanViolationE_primaryDecay += deltaE;
0576       fMinViolationE_primaryDecay = std::min(fMinViolationE_primaryDecay, deltaE);
0577       fMaxViolationE_primaryDecay = std::max(fMaxViolationE_primaryDecay, deltaE);
0578       if (std::abs(deltaE) > ToleranceEPviolations()) {
0579         if (fRunPtr) fRunPtr->IncrementNumberEviolations();
0580       }
0581       deltaPx = sumPsecondaries.x() - xMom;
0582       fMeanViolationPx_primaryDecay += deltaPx;
0583       fMinViolationPx_primaryDecay = std::min(fMinViolationPx_primaryDecay, deltaPx);
0584       fMaxViolationPx_primaryDecay = std::max(fMaxViolationPx_primaryDecay, deltaPx);
0585       deltaPy = sumPsecondaries.y() - yMom;
0586       fMeanViolationPy_primaryDecay += deltaPy;
0587       fMinViolationPy_primaryDecay = std::min(fMinViolationPy_primaryDecay, deltaPy);
0588       fMaxViolationPy_primaryDecay = std::max(fMaxViolationPy_primaryDecay, deltaPy);
0589       deltaPz = sumPsecondaries.z() - zMom;
0590       fMeanViolationPz_primaryDecay += deltaPz;
0591       fMinViolationPz_primaryDecay = std::min(fMinViolationPz_primaryDecay, deltaPz);
0592       fMaxViolationPz_primaryDecay = std::max(fMaxViolationPz_primaryDecay, deltaPz);
0593       if (std::abs(deltaPx) > ToleranceEPviolations() || std::abs(deltaPy) > ToleranceEPviolations()
0594           || std::abs(deltaPz) > ToleranceEPviolations())
0595       {
0596         if (fRunPtr) fRunPtr->IncrementNumberPviolations();
0597       }
0598     }
0599     else {
0600       if (fRunPtr) fRunPtr->IncrementNumberBadPrimaryDecays();
0601     }
0602 
0603     if (fRunPtr) {
0604       fRunPtr->IncrementNumberDecays();
0605       fRunPtr->SetDecayT(tPos);
0606       fRunPtr->SetDecayR_mc_truth(mc_truth_rPos);
0607       fRunPtr->SetDecayR(rPos);
0608       fRunPtr->SetDecayX(xPos);
0609       fRunPtr->SetDecayY(yPos);
0610       fRunPtr->SetDecayZ(zPos);
0611       fRunPtr->SetDeltaDecayR(rDeltaPos);
0612       fRunPtr->SetDeflectionAngle(deflection_angle_in_degrees);
0613       fRunPtr->SetDeltaEkin(delta_ekin);
0614       fRunPtr->SetDecayEkin(eKin);
0615       fRunPtr->SetDecayPx(xMom);
0616       fRunPtr->SetDecayPy(yMom);
0617       fRunPtr->SetDecayPz(zMom);
0618       fRunPtr->SetDecayEtotViolation(deltaE);
0619       fRunPtr->SetDecayPxViolation(deltaPx);
0620       fRunPtr->SetDecayPyViolation(deltaPy);
0621       fRunPtr->SetDecayPzViolation(deltaPz);
0622       fRunPtr->SetMaxEkin_deltaMax(ekin_deltaMax);
0623       fRunPtr->SetMaxEtot_deltaMax(etot_deltaMax);
0624       fRunPtr->SetMaxP_deltaMax(p_deltaMax);
0625       fRunPtr->SetMaxPdir_deltaMax(pdir_deltaMax);
0626       fRunPtr->SetMaxMass_deltaMax1(mass_deltaMax1);
0627       fRunPtr->SetMaxMass_deltaMax2(mass_deltaMax2);
0628       fRunPtr->SetMaxMass_deltaMax3(mass_deltaMax3);
0629       fRunPtr->SetMaxBeta_deltaMax1(beta_deltaMax1);
0630       fRunPtr->SetMaxBeta_deltaMax2(beta_deltaMax2);
0631       fRunPtr->SetMaxGamma_deltaMax1(gamma_deltaMax1);
0632       fRunPtr->SetMaxGamma_deltaMax2(gamma_deltaMax2);
0633       fRunPtr->SetMaxGamma_deltaMax3(gamma_deltaMax3);
0634       fRunPtr->SetMaxT_proper_deltaMax(t_proper_deltaMax);
0635       fRunPtr->SetMaxT_lab_deltaMax(t_lab_deltaMax);
0636       fRunPtr->SetMaxMc_truth_rPos_deltaMax(mc_truth_rPos_deltaMax);
0637       fRunPtr->SetMinUnderestimated_mc_truth_rPos_delta(underestimated_mc_truth_rPos_delta);
0638       fRunPtr->SetMaxOverestimated_mc_truth_rPos_delta(overestimated_mc_truth_rPos_delta);
0639       fRunPtr->SetMinUnderestimated_rDeltaPos(underestimated_rDeltaPos);
0640       fRunPtr->SetMaxOverestimated_rDeltaPos(overestimated_rDeltaPos);
0641       fRunPtr->SetMaxFloat_rDeltaPos_deltaMax(fMaxFloat_rDeltaPos_deltaMax);
0642     }
0643   }
0644 }
0645 
0646 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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