G4EmSaturation.hh

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00025 //
00026 // $Id$
00027 //
00028 //
00029 #ifndef G4EmSaturation_h
00030 #define G4EmSaturation_h 1
00031 
00032 // -------------------------------------------------------------
00033 //
00034 // GEANT4 Class header file
00035 //
00036 //
00037 // File name:     G4EmSaturation
00038 //
00039 // Author:        Vladimir Ivanchenko
00040 //
00041 // Creation date: 18.02.2008
00042 //
00043 // Modifications:
00044 //
00045 //
00046 // Class Description:
00047 //   Compution on saturation effect, which reduce visible energy 
00048 //   deposition at the step. Default implementation takes into 
00049 //   account Birks effect. Birks coefficients for some materials
00050 //   from G4 database on materials are provided
00051 // 
00052 // -------------------------------------------------------------
00053 
00054 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
00055 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
00056 
00057 #include "globals.hh"
00058 #include "G4Step.hh"
00059 #include "G4ParticleDefinition.hh"
00060 #include <vector>
00061 
00062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
00063 
00064 class G4LossTableManager;
00065 class G4NistManager;
00066 class G4MaterialCutsCouple;
00067 class G4Material;
00068 
00069 class G4EmSaturation
00070 {
00071 public: 
00072 
00073   G4EmSaturation();
00074   virtual ~G4EmSaturation();
00075 
00076   G4double VisibleEnergyDeposition(const G4ParticleDefinition*, 
00077                                    const G4MaterialCutsCouple*,
00078                                    G4double length, 
00079                                    G4double edepTotal,
00080                                    G4double edepNIEL = 0.0);
00081 
00082   inline G4double VisibleEnergyDeposition(const G4Step*); 
00083 
00084   // find and Birks coefficient 
00085   G4double FindG4BirksCoefficient(const G4Material*);
00086 
00087   inline void SetVerbose(G4int);
00088 
00089   // dump coeffitients used in run time
00090   void DumpBirksCoefficients();
00091 
00092   // dump G4 list
00093   void DumpG4BirksCoefficients();
00094 
00095 private:
00096 
00097   // hide assignment operator
00098   G4EmSaturation & operator=(const G4EmSaturation &right);
00099   G4EmSaturation(const G4EmSaturation&);
00100 
00101   G4double FindBirksCoefficient(const G4Material*);
00102 
00103   void Initialise();
00104 
00105   const G4ParticleDefinition* electron;
00106   const G4ParticleDefinition* proton;
00107   G4LossTableManager*         manager;
00108   G4NistManager*              nist;
00109 
00110   // cash
00111   const G4Material*           curMaterial;
00112   G4double                    curBirks;
00113   G4double                    curRatio;
00114   G4double                    curChargeSq;
00115 
00116   G4int    verbose;             
00117   G4int    nMaterials;
00118   G4int    nG4Birks;
00119 
00120   // list of materials used in run time
00121   std::vector<const G4Material*>    matPointers;
00122   std::vector<G4String>             matNames;
00123   std::vector<G4double>             massFactors;
00124   std::vector<G4double>             effCharges;
00125 
00126   // list of G4 materials 
00127   std::vector<G4double>             g4MatData;
00128   std::vector<G4String>             g4MatNames;
00129 
00130 };
00131 
00132 inline void G4EmSaturation::SetVerbose(G4int val)
00133 {
00134   verbose = val;
00135 }
00136 
00137 inline G4double G4EmSaturation::VisibleEnergyDeposition(
00138                 const G4Step* step)
00139 {
00140   G4Track* track = step->GetTrack();
00141   return VisibleEnergyDeposition(track->GetParticleDefinition(),
00142                                  track->GetMaterialCutsCouple(),
00143                                  step->GetStepLength(),
00144                                  step->GetTotalEnergyDeposit(),
00145                                  step->GetNonIonizingEnergyDeposit());
00146 }
00147 
00148 #endif
00149 

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