Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/examples/extended/electromagnetic/TestEm15/src/RunAction.cc

Version: [ ReleaseNotes ] [ 1.0 ] [ 1.1 ] [ 2.0 ] [ 3.0 ] [ 3.1 ] [ 3.2 ] [ 4.0 ] [ 4.0.p1 ] [ 4.0.p2 ] [ 4.1 ] [ 4.1.p1 ] [ 5.0 ] [ 5.0.p1 ] [ 5.1 ] [ 5.1.p1 ] [ 5.2 ] [ 5.2.p1 ] [ 5.2.p2 ] [ 6.0 ] [ 6.0.p1 ] [ 6.1 ] [ 6.2 ] [ 6.2.p1 ] [ 6.2.p2 ] [ 7.0 ] [ 7.0.p1 ] [ 7.1 ] [ 7.1.p1 ] [ 8.0 ] [ 8.0.p1 ] [ 8.1 ] [ 8.1.p1 ] [ 8.1.p2 ] [ 8.2 ] [ 8.2.p1 ] [ 8.3 ] [ 8.3.p1 ] [ 8.3.p2 ] [ 9.0 ] [ 9.0.p1 ] [ 9.0.p2 ] [ 9.1 ] [ 9.1.p1 ] [ 9.1.p2 ] [ 9.1.p3 ] [ 9.2 ] [ 9.2.p1 ] [ 9.2.p2 ] [ 9.2.p3 ] [ 9.2.p4 ] [ 9.3 ] [ 9.3.p1 ] [ 9.3.p2 ] [ 9.4 ] [ 9.4.p1 ] [ 9.4.p2 ] [ 9.4.p3 ] [ 9.4.p4 ] [ 9.5 ] [ 9.5.p1 ] [ 9.5.p2 ] [ 9.6 ] [ 9.6.p1 ] [ 9.6.p2 ] [ 9.6.p3 ] [ 9.6.p4 ] [ 10.0 ] [ 10.0.p1 ] [ 10.0.p2 ] [ 10.0.p3 ] [ 10.0.p4 ] [ 10.1 ] [ 10.1.p1 ] [ 10.1.p2 ] [ 10.1.p3 ] [ 10.2 ] [ 10.2.p1 ] [ 10.2.p2 ] [ 10.2.p3 ] [ 10.3 ] [ 10.3.p1 ] [ 10.3.p2 ] [ 10.3.p3 ] [ 10.4 ] [ 10.4.p1 ] [ 10.4.p2 ] [ 10.4.p3 ] [ 10.5 ] [ 10.5.p1 ] [ 10.6 ] [ 10.6.p1 ] [ 10.6.p2 ] [ 10.6.p3 ] [ 10.7 ] [ 10.7.p1 ] [ 10.7.p2 ] [ 10.7.p3 ] [ 10.7.p4 ] [ 11.0 ] [ 11.0.p1 ] [ 11.0.p2 ] [ 11.0.p3, ] [ 11.0.p4 ] [ 11.1 ] [ 11.1.1 ] [ 11.1.2 ] [ 11.1.3 ] [ 11.2 ] [ 11.2.1 ] [ 11.2.2 ] [ 11.3.0 ]

Diff markup

Differences between /examples/extended/electromagnetic/TestEm15/src/RunAction.cc (Version 11.3.0) and /examples/extended/electromagnetic/TestEm15/src/RunAction.cc (Version 10.2.p2)


  1 //                                                  1 //
  2 // *******************************************      2 // ********************************************************************
  3 // * License and Disclaimer                         3 // * License and Disclaimer                                           *
  4 // *                                                4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of th      5 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
  6 // * the Geant4 Collaboration.  It is provided      6 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
  7 // * conditions of the Geant4 Software License      7 // * conditions of the Geant4 Software License,  included in the file *
  8 // * LICENSE and available at  http://cern.ch/      8 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
  9 // * include a list of copyright holders.           9 // * include a list of copyright holders.                             *
 10 // *                                               10 // *                                                                  *
 11 // * Neither the authors of this software syst     11 // * Neither the authors of this software system, nor their employing *
 12 // * institutes,nor the agencies providing fin     12 // * institutes,nor the agencies providing financial support for this *
 13 // * work  make  any representation or  warran     13 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assum     14 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file      15 // * use.  Please see the license in the file  LICENSE  and URL above *
 16 // * for the full disclaimer and the limitatio     16 // * for the full disclaimer and the limitation of liability.         *
 17 // *                                               17 // *                                                                  *
 18 // * This  code  implementation is the result      18 // * This  code  implementation is the result of  the  scientific and *
 19 // * technical work of the GEANT4 collaboratio     19 // * technical work of the GEANT4 collaboration.                      *
 20 // * By using,  copying,  modifying or  distri     20 // * By using,  copying,  modifying or  distributing the software (or *
 21 // * any work based  on the software)  you  ag     21 // * any work based  on the software)  you  agree  to acknowledge its *
 22 // * use  in  resulting  scientific  publicati     22 // * use  in  resulting  scientific  publications,  and indicate your *
 23 // * acceptance of all terms of the Geant4 Sof     23 // * acceptance of all terms of the Geant4 Software license.          *
 24 // *******************************************     24 // ********************************************************************
 25 //                                                 25 //
 26 /// \file electromagnetic/TestEm15/src/RunActi     26 /// \file electromagnetic/TestEm15/src/RunAction.cc
 27 /// \brief Implementation of the RunAction cla     27 /// \brief Implementation of the RunAction class
 28 //                                                 28 //
 29 //                                             <<  29 // $Id: RunAction.cc 82283 2014-06-13 14:49:40Z gcosmo $
                                                   >>  30 // 
 30 //....oooOO0OOooo........oooOO0OOooo........oo     31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 31 //....oooOO0OOooo........oooOO0OOooo........oo     32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 32                                                    33 
 33 #include "RunAction.hh"                            34 #include "RunAction.hh"
 34                                                    35 
 35 #include "DetectorConstruction.hh"                 36 #include "DetectorConstruction.hh"
 36 #include "HistoManager.hh"                     << 
 37 #include "PrimaryGeneratorAction.hh"               37 #include "PrimaryGeneratorAction.hh"
                                                   >>  38 #include "HistoManager.hh"
 38                                                    39 
 39 #include "G4EmCalculator.hh"                   << 
 40 #include "G4Run.hh"                                40 #include "G4Run.hh"
 41 #include "G4RunManager.hh"                         41 #include "G4RunManager.hh"
 42 #include "G4SystemOfUnits.hh"                  << 
 43 #include "G4UnitsTable.hh"                         42 #include "G4UnitsTable.hh"
 44 #include "Randomize.hh"                        <<  43 #include "G4EmCalculator.hh"
 45                                                    44 
                                                   >>  45 #include "Randomize.hh"
                                                   >>  46 #include "G4SystemOfUnits.hh"
 46 #include <iomanip>                                 47 #include <iomanip>
 47                                                    48 
 48 //....oooOO0OOooo........oooOO0OOooo........oo     49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 49                                                    50 
 50 RunAction::RunAction(DetectorConstruction* det     51 RunAction::RunAction(DetectorConstruction* det, PrimaryGeneratorAction* prim)
 51   : G4UserRunAction(), fDetector(det), fPrimar <<  52   : G4UserRunAction(),fDetector(det), fPrimary(prim), fProcCounter(0),
                                                   >>  53     fHistoManager(0)
 52 {                                                  54 {
 53   fHistoManager = new HistoManager();          <<  55   fHistoManager = new HistoManager(); 
 54 }                                                  56 }
 55                                                    57 
 56 //....oooOO0OOooo........oooOO0OOooo........oo     58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 57                                                    59 
 58 RunAction::~RunAction()                            60 RunAction::~RunAction()
 59 {                                                  61 {
 60   delete fHistoManager;                        <<  62   delete fHistoManager; 
 61 }                                                  63 }
 62                                                    64 
 63 //....oooOO0OOooo........oooOO0OOooo........oo     65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 64                                                    66 
 65 void RunAction::BeginOfRunAction(const G4Run*)     67 void RunAction::BeginOfRunAction(const G4Run*)
 66 {                                              <<  68 {  
 67   // save Rndm status                              69   // save Rndm status
 68   ////G4RunManager::GetRunManager()->SetRandom     70   ////G4RunManager::GetRunManager()->SetRandomNumberStore(true);
 69   CLHEP::HepRandom::showEngineStatus();            71   CLHEP::HepRandom::showEngineStatus();
 70                                                    72 
 71   fProcCounter = new ProcessesCount;               73   fProcCounter = new ProcessesCount;
 72   fTotalCount = 0;                                 74   fTotalCount = 0;
 73                                                <<  75   
 74   fTruePL = fTruePL2 = fGeomPL = fGeomPL2 = 0.     76   fTruePL = fTruePL2 = fGeomPL = fGeomPL2 = 0.;
 75   fLDispl = fLDispl2 = fPsiSpa = fPsiSpa2 = 0.     77   fLDispl = fLDispl2 = fPsiSpa = fPsiSpa2 = 0.;
 76   fTetPrj = fTetPrj2 = 0.;                         78   fTetPrj = fTetPrj2 = 0.;
 77   fPhiCor = fPhiCor2 = 0.;                         79   fPhiCor = fPhiCor2 = 0.;
 78                                                <<  80      
 79   // histograms                                <<  81   //histograms
 80   //                                               82   //
 81   G4AnalysisManager* analysisManager = G4Analy     83   G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
 82   if (analysisManager->IsActive()) {           <<  84   if ( analysisManager->IsActive() ) {
 83     analysisManager->OpenFile();                   85     analysisManager->OpenFile();
 84   }                                            <<  86   }       
 85 }                                                  87 }
 86                                                    88 
 87 //....oooOO0OOooo........oooOO0OOooo........oo     89 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 88                                                    90 
 89 void RunAction::CountProcesses(G4String procNa     91 void RunAction::CountProcesses(G4String procName)
 90 {                                                  92 {
 91   // does the process  already encounted ?     <<  93    //does the process  already encounted ?
 92   size_t nbProc = fProcCounter->size();        <<  94    size_t nbProc = fProcCounter->size();
 93   size_t i = 0;                                <<  95    size_t i = 0;
 94   while ((i < nbProc) && ((*fProcCounter)[i]-> <<  96    while ((i<nbProc)&&((*fProcCounter)[i]->GetName()!=procName)) i++;
 95     i++;                                       <<  97    if (i == nbProc) fProcCounter->push_back( new OneProcessCount(procName));
 96   if (i == nbProc) fProcCounter->push_back(new << 
 97                                                    98 
 98   (*fProcCounter)[i]->Count();                 <<  99    (*fProcCounter)[i]->Count();
 99 }                                                 100 }
100                                                   101 
101 //....oooOO0OOooo........oooOO0OOooo........oo    102 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
102                                                   103 
103 void RunAction::EndOfRunAction(const G4Run* aR    104 void RunAction::EndOfRunAction(const G4Run* aRun)
104 {                                                 105 {
105   G4int NbOfEvents = aRun->GetNumberOfEvent();    106   G4int NbOfEvents = aRun->GetNumberOfEvent();
106   if (NbOfEvents == 0) return;                    107   if (NbOfEvents == 0) return;
107                                                << 108   
108   G4int prec = G4cout.precision(5);            << 109   G4int  prec = G4cout.precision(5);
109                                                << 110     
110   G4Material* material = fDetector->GetMateria    111   G4Material* material = fDetector->GetMaterial();
111   G4double density = material->GetDensity();      112   G4double density = material->GetDensity();
112                                                << 113    
113   G4ParticleDefinition* particle = fPrimary->G << 114   G4ParticleDefinition* particle = 
114   G4String Particle = particle->GetParticleNam << 115                             fPrimary->GetParticleGun()->GetParticleDefinition();
                                                   >> 116   G4String Particle = particle->GetParticleName();    
115   G4double energy = fPrimary->GetParticleGun()    117   G4double energy = fPrimary->GetParticleGun()->GetParticleEnergy();
116   G4cout << "\n The run consists of " << NbOfE << 118   G4cout << "\n The run consists of " << NbOfEvents << " "<< Particle << " of "
117          << G4BestUnit(energy, "Energy") << "  << 119          << G4BestUnit(energy,"Energy") << " through " 
118          << G4BestUnit(fDetector->GetBoxSize() << 120          << G4BestUnit(fDetector->GetBoxSize(),"Length") << " of "
119          << " (density: " << G4BestUnit(densit << 121          << material->GetName() << " (density: " 
120                                                << 122          << G4BestUnit(density,"Volumic Mass") << ")" << G4endl;
121   // frequency of processes                    << 123   
                                                   >> 124   //frequency of processes
122   G4cout << "\n Process calls frequency --->";    125   G4cout << "\n Process calls frequency --->";
123   for (size_t i = 0; i < fProcCounter->size(); << 126   for (size_t i=0; i< fProcCounter->size();i++) {
124     G4String procName = (*fProcCounter)[i]->Ge << 127      G4String procName = (*fProcCounter)[i]->GetName();
125     G4int count = (*fProcCounter)[i]->GetCount << 128      G4int    count    = (*fProcCounter)[i]->GetCounter(); 
126     G4cout << "\t" << procName << " = " << cou << 129      G4cout << "\t" << procName << " = " << count;
127   }                                            << 
128                                                << 
129   if (fTotalCount > 0) {                       << 
130     // compute path length and related quantit << 
131     //                                         << 
132     G4double MeanTPL = fTruePL / fTotalCount;  << 
133     G4double MeanTPL2 = fTruePL2 / fTotalCount << 
134     G4double rmsTPL = std::sqrt(std::fabs(Mean << 
135                                                << 
136     G4double MeanGPL = fGeomPL / fTotalCount;  << 
137     G4double MeanGPL2 = fGeomPL2 / fTotalCount << 
138     G4double rmsGPL = std::sqrt(std::fabs(Mean << 
139                                                << 
140     G4double MeanLaD = fLDispl / fTotalCount;  << 
141     G4double MeanLaD2 = fLDispl2 / fTotalCount << 
142     G4double rmsLaD = std::sqrt(std::fabs(Mean << 
143                                                << 
144     G4double MeanPsi = fPsiSpa / (fTotalCount) << 
145     G4double MeanPsi2 = fPsiSpa2 / (fTotalCoun << 
146     G4double rmsPsi = std::sqrt(std::fabs(Mean << 
147                                                << 
148     G4double MeanTeta = fTetPrj / (2 * fTotalC << 
149     G4double MeanTeta2 = fTetPrj2 / (2 * fTota << 
150     G4double rmsTeta = std::sqrt(std::fabs(Mea << 
151                                                << 
152     G4double MeanCorrel = fPhiCor / (fTotalCou << 
153     G4double MeanCorrel2 = fPhiCor2 / (fTotalC << 
154     G4double rmsCorrel = std::sqrt(std::fabs(M << 
155                                                << 
156     G4cout << "\n\n truePathLength :\t" << G4B << 
157            << G4BestUnit(rmsTPL, "Length") <<  << 
158            << G4BestUnit(MeanGPL, "Length") << << 
159            << "\n lateralDisplac :\t" << G4Bes << 
160            << G4BestUnit(rmsLaD, "Length") <<  << 
161            << " +- " << rmsPsi / mrad << " mra << 
162            << "  (" << MeanPsi / deg << " deg" << 
163            << " +- " << rmsPsi / deg << " deg) << 
164                                                << 
165     G4cout << "\n Theta_plane    :\t" << rmsTe << 
166            << "  (" << rmsTeta / deg << " deg) << 
167            << "\n phi correlation:\t" << MeanC << 
168            << "  (std::cos(phi_pos - phi_dir)) << 
169                                                << 
170     // cross check from G4EmCalculator         << 
171     //                                         << 
172     G4cout << "\n Verification from G4EmCalcul << 
173                                                << 
174     G4EmCalculator emCal;                      << 
175                                                << 
176     // get transport mean free path (for multi << 
177     G4double MSmfp = emCal.GetMeanFreePath(ene << 
178                                                << 
179     // get range from restricted dedx          << 
180     G4double range = emCal.GetRangeFromRestric << 
181                                                << 
182     // effective facRange                      << 
183     G4double efFacrange = MeanTPL / std::max(M << 
184     if (MeanTPL / range >= 0.99) efFacrange =  << 
185                                                << 
186     G4cout << "\n transport mean free path :\t << 
187            << "\n range from restrict dE/dx:\t << 
188            << "\n ---> effective facRange  :\t << 
189                                                << 
190     G4cout << "\n compute theta0 from Highland << 
191            << "  (" << ComputeMscHighland(Mean << 
192   }                                               130   }
193   else                                         << 131   
194     G4cout << G4endl;                          << 132   if (fTotalCount == 0) return;
195                                                << 133   
196   // restore default format                    << 134   //compute path length and related quantities
197   G4cout.precision(prec);                      << 135   //
                                                   >> 136   G4double MeanTPL  = fTruePL /fTotalCount;     
                                                   >> 137   G4double MeanTPL2 = fTruePL2/fTotalCount;     
                                                   >> 138   G4double rmsTPL   = std::sqrt(std::fabs(MeanTPL2 - MeanTPL*MeanTPL));
                                                   >> 139   
                                                   >> 140   G4double MeanGPL  = fGeomPL /fTotalCount;     
                                                   >> 141   G4double MeanGPL2 = fGeomPL2/fTotalCount;     
                                                   >> 142   G4double rmsGPL   = std::sqrt(std::fabs(MeanGPL2 - MeanGPL*MeanGPL));
                                                   >> 143   
                                                   >> 144   G4double MeanLaD  = fLDispl /fTotalCount;     
                                                   >> 145   G4double MeanLaD2 = fLDispl2/fTotalCount;     
                                                   >> 146   G4double rmsLaD   = std::sqrt(std::fabs(MeanLaD2 - MeanLaD*MeanLaD));
                                                   >> 147   
                                                   >> 148   G4double MeanPsi  = fPsiSpa /(fTotalCount);     
                                                   >> 149   G4double MeanPsi2 = fPsiSpa2/(fTotalCount);     
                                                   >> 150   G4double rmsPsi   = std::sqrt(std::fabs(MeanPsi2 - MeanPsi*MeanPsi));
                                                   >> 151   
                                                   >> 152   G4double MeanTeta  = fTetPrj /(2*fTotalCount);     
                                                   >> 153   G4double MeanTeta2 = fTetPrj2/(2*fTotalCount);     
                                                   >> 154   G4double rmsTeta   = std::sqrt(std::fabs(MeanTeta2 - MeanTeta*MeanTeta));
                                                   >> 155   
                                                   >> 156   G4double MeanCorrel  = fPhiCor /(fTotalCount);     
                                                   >> 157   G4double MeanCorrel2 = fPhiCor2/(fTotalCount);     
                                                   >> 158   G4double rmsCorrel = std::sqrt(std::fabs(MeanCorrel2-MeanCorrel*MeanCorrel));
                                                   >> 159            
                                                   >> 160   G4cout << "\n\n truePathLength :\t" << G4BestUnit(MeanTPL,"Length")
                                                   >> 161          << " +- "                    << G4BestUnit( rmsTPL,"Length")
                                                   >> 162          <<   "\n geomPathLength :\t" << G4BestUnit(MeanGPL,"Length")
                                                   >> 163          << " +- "                    << G4BestUnit( rmsGPL,"Length")
                                                   >> 164          <<   "\n lateralDisplac :\t" << G4BestUnit(MeanLaD,"Length")
                                                   >> 165          << " +- "                    << G4BestUnit( rmsLaD,"Length")
                                                   >> 166          <<   "\n Psi            :\t" << MeanPsi/mrad << " mrad"
                                                   >> 167          << " +- "                    << rmsPsi /mrad << " mrad"
                                                   >> 168          <<   "  ("                   << MeanPsi/deg  << " deg"
                                                   >> 169          << " +- "                    << rmsPsi /deg  << " deg)"
                                                   >> 170          << G4endl;
                                                   >> 171                            
                                                   >> 172   G4cout <<   "\n Theta_plane    :\t" << rmsTeta/mrad << " mrad"
                                                   >> 173          <<   "  ("                   << rmsTeta/deg  << " deg)"
                                                   >> 174          <<   "\n phi correlation:\t" << MeanCorrel 
                                                   >> 175          << " +- "                    << rmsCorrel
                                                   >> 176          << "  (std::cos(phi_pos - phi_dir))"                  
                                                   >> 177          << G4endl;
                                                   >> 178          
198                                                   179 
199   // delete and remove all contents in fProcCo << 180   //cross check from G4EmCalculator
200   while (fProcCounter->size() > 0) {           << 181   //
201     OneProcessCount* aProcCount = fProcCounter << 182   G4cout << "\n Verification from G4EmCalculator. \n";
                                                   >> 183   
                                                   >> 184   G4EmCalculator emCal;
                                                   >> 185   
                                                   >> 186   //get transport mean free path (for multiple scattering)
                                                   >> 187   G4double MSmfp = emCal.GetMeanFreePath(energy,particle,"msc",material);
                                                   >> 188     
                                                   >> 189   //get range from restricted dedx
                                                   >> 190   G4double range = emCal.GetRangeFromRestricteDEDX(energy,particle,material);
                                                   >> 191   
                                                   >> 192   //effective facRange
                                                   >> 193   G4double efFacrange = MeanTPL/std::max(MSmfp, range);
                                                   >> 194   if (MeanTPL/range >= 0.99) efFacrange = 1.;
                                                   >> 195 
                                                   >> 196   G4cout << "\n transport mean free path :\t" << G4BestUnit(MSmfp,"Length")
                                                   >> 197          << "\n range from restrict dE/dx:\t" << G4BestUnit(range,"Length")
                                                   >> 198          << "\n ---> effective facRange  :\t" << efFacrange
                                                   >> 199          << G4endl;
                                                   >> 200 
                                                   >> 201   G4cout << "\n compute theta0 from Highland :\t"
                                                   >> 202           << ComputeMscHighland(MeanTPL)/mrad << " mrad" 
                                                   >> 203          << "  (" << ComputeMscHighland(MeanTPL)/deg << " deg)" 
                                                   >> 204          << G4endl;
                                                   >> 205                            
                                                   >> 206   //restore default format         
                                                   >> 207   G4cout.precision(prec);         
                                                   >> 208 
                                                   >> 209   // delete and remove all contents in fProcCounter 
                                                   >> 210   while (fProcCounter->size()>0){
                                                   >> 211     OneProcessCount* aProcCount=fProcCounter->back();
202     fProcCounter->pop_back();                     212     fProcCounter->pop_back();
203     delete aProcCount;                            213     delete aProcCount;
204   }                                               214   }
205   delete fProcCounter;                            215   delete fProcCounter;
206                                                << 216   
207   // save histograms                           << 217   //save histograms      
208   G4AnalysisManager* analysisManager = G4Analy << 218   G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();  
209   if (analysisManager->IsActive()) {           << 219   if ( analysisManager->IsActive() ) {
210     analysisManager->Write();                     220     analysisManager->Write();
211     analysisManager->CloseFile();                 221     analysisManager->CloseFile();
212   }                                            << 222   }       
213                                                   223 
214   // show Rndm status                             224   // show Rndm status
215   CLHEP::HepRandom::showEngineStatus();           225   CLHEP::HepRandom::showEngineStatus();
216 }                                                 226 }
217                                                   227 
218 //....oooOO0OOooo........oooOO0OOooo........oo    228 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
219                                                   229 
220 G4double RunAction::ComputeMscHighland(G4doubl    230 G4double RunAction::ComputeMscHighland(G4double pathLength)
221 {                                                 231 {
222   // compute the width of the Gaussian central << 232  //compute the width of the Gaussian central part of the MultipleScattering
223   // projected angular distribution.           << 233  //projected angular distribution.
224   // Eur. Phys. Jour. C15 (2000) page 166, for << 234  //Eur. Phys. Jour. C15 (2000) page 166, formule 23.9
225                                                << 235 
226   G4double t = pathLength / (fDetector->GetMat << 236  G4double t = pathLength/(fDetector->GetMaterial()->GetRadlen());
227   if (t < DBL_MIN) return 0.;                  << 237  if (t < DBL_MIN) return 0.;
228                                                << 238 
229   G4ParticleGun* particle = fPrimary->GetParti << 239  G4ParticleGun* particle = fPrimary->GetParticleGun();
230   G4double T = particle->GetParticleEnergy();  << 240  G4double T = particle->GetParticleEnergy();
231   G4double M = particle->GetParticleDefinition << 241  G4double M = particle->GetParticleDefinition()->GetPDGMass();
232   G4double z = std::abs(particle->GetParticleD << 242  G4double z = std::abs(particle->GetParticleDefinition()->GetPDGCharge()/eplus);
233                                                << 243 
234   G4double bpc = T * (T + 2 * M) / (T + M);    << 244  G4double bpc = T*(T+2*M)/(T+M);
235   G4double teta0 = 13.6 * MeV * z * std::sqrt( << 245  G4double teta0 = 13.6*MeV*z*std::sqrt(t)*(1.+0.038*std::log(t))/bpc;
236   return teta0;                                << 246  return teta0;
237 }                                                 247 }
238                                                   248 
239 //....oooOO0OOooo........oooOO0OOooo........oo    249 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
240                                                   250