source: trunk/source/processes/electromagnetic/lowenergy/include/G4FinalStateIonisationBorn.hh@ 830

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// $Id: G4FinalStateIonisationBorn.hh,v 1.3 2007/11/13 15:20:19 pia Exp $
// GEANT4 tag $Name:  $
// 
// Contact Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
//
// History:
// -----------
// Date         Name              Modification
// 28 Apr 2007  M.G. Pia          Created in compliance with design described in TNS paper
//
// -------------------------------------------------------------------

// Class description:
// Geant4-DNA Cross total cross section for electron elastic scattering in water
// Reference: TNS Geant4-DNA paper
// Reference: TNS Geant4-DNA paper
// S. Chauvie et al., Geant4 physics processes for microdosimetry simulation:
// design foundation and implementation of the first set of models,
// IEEE Trans. Nucl. Sci., vol. 54, no. 6, Dec. 2007.
// Reference for implementation model: NIM. 155, pp. 145-156, 1978
// Further documentation available from http://www.ge.infn.it/geant4/dna

// -------------------------------------------------------------------


#ifndef G4FINALSTATEIONISATIONBORN_HH
#define G4FINALSTATEIONISATIONBORN_HH 1
 
#include "globals.hh"
#include "G4FinalStateProduct.hh"
#include "G4WaterIonisationStructure.hh"
#include "G4CrossSectionIonisationBornPartial.hh"

class G4Track;
class G4Step;

 class G4FinalStateIonisationBorn
 {
 public:
   
   G4FinalStateIonisationBorn();
   
   ~G4FinalStateIonisationBorn();
   
   const G4FinalStateProduct& GenerateFinalState(const G4Track& track, const G4Step& step);
   
 private:
   
   // Copy constructor and assignment operator to be added here
   
   G4String name;  
   G4double lowEnergyLimitDefault;
   G4double highEnergyLimitDefault;
   std::map<G4String,G4double,std::less<G4String> > lowEnergyLimit;
   std::map<G4String,G4double,std::less<G4String> > highEnergyLimit;

   G4FinalStateProduct product;

   G4WaterIonisationStructure waterStructure;

   G4CrossSectionIonisationBornPartial cross;
   
   G4double RandomizeEjectedElectronEnergy(G4ParticleDefinition * aParticleDefinition, G4double incomingParticleEnergy, G4int shell) ;

   void RandomizeEjectedElectronDirection(G4ParticleDefinition * aParticleDefinition, G4double incomingParticleEnergy, G4double
                                           outgoingParticleEnergy, G4double & cosTheta, G4double & phi );
   
   double  DifferentialCrossSection(G4ParticleDefinition * aParticleDefinition, G4double k, G4double energyTransfer, G4int shell);

   G4double LogLogInterpolate(G4double e1, G4double e2, G4double e, G4double xs1, G4double xs2);
   
   G4double QuadInterpolator(G4double e11, 
                             G4double e12, 
                             G4double e21, 
                             G4double e22, 
                             G4double x11,
                             G4double x12, 
                             G4double x21, 
                             G4double x22, 
                             G4double t1, 
                             G4double t2, 
                             G4double t, 
                             G4double e);

   typedef std::map<double, std::map<double, double> > TriDimensionMap;
   TriDimensionMap eDiffCrossSectionData[6];
   TriDimensionMap pDiffCrossSectionData[6];
   // TriDimensionMap eDiffCrossSectionData;
   // TriDimensionMap pDiffCrossSectionData;
   std::vector<double> eTdummyVec;
   std::vector<double> pTdummyVec;

   typedef std::map<double, std::vector<double> > VecMap;
   VecMap eVecm;
   VecMap pVecm;
 
   //   std::ifstream eDiffCrossSection;
   //   std::ifstream pDiffCrossSection;
   
};


#endif