Import Geant4 0.0.0 source tree

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+// This code implementation is the intellectual property of
+// the RD44 GEANT4 collaboration.
+//
+// By copying, distributing or modifying the Program (or any work
+// based on the Program) you indicate your acceptance of this statement,
+// and all its terms.
+//
+// $Id: G4MuPairProduction.hh,v 2.6 1998/10/27 12:24:40 urban Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+// $Id: 
+// ------------------------------------------------------------
+//      GEANT 4 class header file 
+//
+//      For information related to this code contact:
+//      CERN, CN Division, ASD group
+//      History: first implementation, based on object model of
+//      2nd December 1995, G.Cosmo
+//      -------- G4MuPairProduction physics process ---------
+//                by Laszlo Urban, May 1998      
+// ************************************************************
+
+#ifndef G4MuPairproduction_h
+#define G4MuPairproduction_h 1
+
+#include "G4ios.hh" 
+#include "globals.hh"
+#include "Randomize.hh" 
+#include "G4MuEnergyLoss.hh"
+#include "G4Track.hh"
+#include "G4Step.hh"
+#include "G4Electron.hh"
+#include "G4Positron.hh"
+#include "G4MuonMinus.hh"
+#include "G4MuonPlus.hh"
+#include "G4OrderedTable.hh" 
+#include "G4PhysicsTable.hh"
+#include "G4PhysicsLogVector.hh"
+ 
+class G4MuPairProduction : public G4MuEnergyLoss
+ 
+{ 
+  public:
+ 
+     G4MuPairProduction(const G4String& processName = "MuPairProd");
+ 
+    ~G4MuPairProduction();
+
+     G4bool IsApplicable(const G4ParticleDefinition&);
+
+     void SetPhysicsTableBining(G4double lowE,G4double highE,G4int nBins);
+
+     void BuildPhysicsTable(const G4ParticleDefinition& ParticleType);
+
+     void BuildLossTable(const G4ParticleDefinition& ParticleType);
+
+     void BuildLambdaTable(const G4ParticleDefinition& ParticleType);
+
+     void PrintInfoDefinition();
+
+     G4double GetMeanFreePath( const G4Track& track,
+                               G4double previousStepSize,
+                               G4ForceCondition* condition ) ;
+ 
+     G4VParticleChange *PostStepDoIt(const G4Track& track,
+                                     const G4Step& Step  ) ;                 
+
+  protected:
+
+     G4double ComputeMeanFreePath(const G4ParticleDefinition* ParticleType,
+                                  G4double KineticEnergy, 
+                                  const G4Material* aMaterial);
+
+     void ComputePartialSumSigma(const G4ParticleDefinition* ParticleType,
+                                 G4double KineticEnergy,
+                                 const G4Material* aMaterial);
+
+     virtual G4double ComputeMicroscopicCrossSection(
+                                      const G4ParticleDefinition* ParticleType,
+                                      G4double KineticEnergy, 
+                                      G4double AtomicNumber,
+                                      G4double ElectronEnergyCut,
+                                      G4double PositronEnergyCut);
+
+     G4double ComputeDDMicroscopicCrossSection(
+                                      const G4ParticleDefinition* ParticleType,
+                                      G4double KineticEnergy, 
+                                      G4double AtomicNumber,
+                                      G4double PairEnergy,
+                                      G4double asymmetry);
+
+     G4double ComputeDMicroscopicCrossSection(
+                                      const G4ParticleDefinition* ParticleType,
+                                      G4double KineticEnergy, 
+                                      G4double AtomicNumber,
+                                      G4double PairEnergy);
+
+  private:
+
+     G4MuPairProduction & operator=(const G4MuPairProduction &right);
+     G4MuPairProduction(const G4MuPairProduction&);
+
+     G4double ComputePairLoss( const G4ParticleDefinition* ParticleType,
+                               G4double Z,G4double T,G4double ElectronCut,
+                                     G4double PositronCut);
+
+     G4Element* SelectRandomAtom(G4Material* aMaterial) const;
+
+     void MakeSamplingTables( const G4ParticleDefinition* ParticleType );
+
+  private:
+
+     G4PhysicsTable* theMeanFreePathTable ;              
+
+     G4OrderedTable PartialSumSigma;     
+
+     G4double LowestKineticEnergy; 
+     G4double HighestKineticEnergy; 
+     G4int TotBin;                      
+
+     G4double CutInRange;
+
+     const G4Electron* theElectron;
+     const G4Positron* thePositron; 
+     const G4MuonMinus* theMuonMinus;
+     const G4MuonPlus* theMuonPlus;
+
+     const G4double* ElectronCutInKineticEnergy;
+     const G4double* PositronCutInKineticEnergy;
+     const G4double* MuonMinusCutInKineticEnergy;
+     const G4double* MuonPlusCutInKineticEnergy;
+     const G4double* ParticleCutInKineticEnergy;
+
+
+     G4double ElectronCutInKineticEnergyNow;
+     G4double PositronCutInKineticEnergyNow;
+     G4double MuonMinusCutInKineticEnergyNow;
+     G4double MuonPlusCutInKineticEnergyNow;
+     G4double ParticleCutInKineticEnergyNow;
+
+     // tables for sampling ..............
+     static G4int nzdat,ntdat,NBIN ;
+     static G4double zdat[5],tdat[8] ;
+     static G4double ya[1000],proba[5][8][1000] ;
+
+};
+
+#include "G4MuPairProduction.icc"
+  
+#endif