Import Geant4 0.1.0 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: G4LowEnergyIonisation.hh,v 1.9 1999/07/06 13:21:02 aforti Exp $
+// GEANT4 tag $Name: geant4-00-01 $
+//
+// 
+// ------------------------------------------------------------
+//      GEANT 4 class header file 
+//
+//      For information related to this code contact:
+//      CERN, IT Division, ASD group
+//      History: based on object model of
+//      2nd December 1995, G.Cosmo
+//      ---------- G4LowEnergyIonisation physics process -----------
+//                by Laszlo Urban, 20 March 1997 
+// ************************************************************
+// It is the first implementation of the NEW IONISATION     
+// PROCESS. ( delta rays + continuous energy loss)
+// It calculates the ionisation for e+/e-.      
+// ************************************************************
+//
+// 04-09-98: new methods SetBining()  PrintInfo(), MMa  
+// ------------------------------------------------------------
+ 
+#ifndef G4LowEnergyIonisation_h
+#define G4LowEnergyIonisation_h 1
+
+
+// Base Class Headers
+#include "G4VDiscreteProcess.hh"
+#include "G4eEnergyLoss.hh"
+
+// Contained Variables Headers
+#include "G4LowEnergyUtilities.hh"
+#include "G4Electron.hh"
+#include "G4Positron.hh"
+#include <fstream.h>
+
+typedef G4FirstLevel oneShellTable;
+typedef G4SecondLevel oneAtomTable;
+typedef G4ThirdLevel allAtomTable;
+
+class G4LowEnergyIonisation : public G4eEnergyLoss{
+
+public:
+  
+  G4LowEnergyIonisation(const G4String& processName = "LowEnergyIoni"); 
+  
+  ~G4LowEnergyIonisation();
+  
+  G4bool IsApplicable(const G4ParticleDefinition&); 
+  
+  void SetCutForLowEnSecPhotons(G4double);
+
+  void SetCutForLowEnSecElectrons(G4double);
+
+  void BuildPhysicsTable(const G4ParticleDefinition& aParticleType);
+  
+  G4double GetMeanFreePath(const G4Track& track,
+			   G4double previousStepSize,
+			   G4ForceCondition* condition ) ;
+
+  inline G4double GetTransitionShell(G4int k){return(thePrimShVec(k));};
+
+  G4VParticleChange *PostStepDoIt(const G4Track& track,         
+				  const G4Step& Step ) ;                 
+  
+  void Print();
+  
+  protected:
+  
+  virtual G4double ComputeCrossSection(const G4double AtomicNumber,
+				       const G4double IncEnergy);
+  
+  void BuildLossTable(const G4ParticleDefinition& aParticleType);
+  void BuildShellCrossSectionTable();
+  void BuildBindingEnergyTable();
+  void BuildFluorTransitionTable();
+  void BuildSamplingCoeffTable();
+  void BuildZVec();
+
+private:
+  
+  // hide assignment operator 
+  G4LowEnergyIonisation & operator=(const G4LowEnergyIonisation &right);
+  G4LowEnergyIonisation(const G4LowEnergyIonisation&);
+  
+private:
+  
+  G4int SelectRandomShell(const G4int AtomIndex, const G4double IncEnergy);
+  
+  G4Element* SelectRandomAtom(const G4DynamicParticle* aDynamicPhoton, 
+			      G4Material* aMaterial);
+  
+  G4bool SelectRandomTransition(G4int, G4double*, 
+				const oneAtomTable*);
+
+
+
+  G4double EnergySampling(const G4int, const G4int,const G4double);
+
+  allAtomTable* allAtomShellCrossSec;
+  allAtomTable* theFluorTransitionTable;
+  allAtomTable* theSamplingCoeffTable;
+  G4SecondLevel* theBindingEnergyTable;  
+  G4DataVector thePrimShVec;
+  G4Data* ZNumVec;
+  G4Data* ZNumVecFluor;
+
+  G4LowEnergyUtilities util;
+
+  G4double LowestKineticEnergy;
+  G4double HighestKineticEnergy;
+  G4int TotBin;
+  G4double CutForLowEnergySecondaryPhotons;
+  G4double CutForLowEnergySecondaryElectrons;
+  G4double MeanFreePath;
+};
+ 
+#include "G4LowEnergyIonisation.icc"
+ 
+#endif
+ 
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