G4MicroElecInelasticModel.hh

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// G4MicroElecInelasticModel.hh, 2011/08/29 A.Valentin, M. Raine
//
// Based on the following publications
//
//          - Inelastic cross-sections of low energy electrons in silicon
//      for the simulation of heavy ion tracks with theGeant4-DNA toolkit,
//      NSS Conf. Record 2010, pp. 80-85
//      - Geant4 physics processes for microdosimetry simulation:
//      very low energy electromagnetic models for electrons in Si,
//      NIM B, vol. 288, pp. 66-73, 2012.
//      - Geant4 physics processes for microdosimetry simulation:
//      very low energy electromagnetic models for protons and
//      heavy ions in Si, NIM B, vol. 287, pp. 124-129, 2012.
//
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#ifndef G4MicroElecInelasticModel_h
#define G4MicroElecInelasticModel_h 1


#include "globals.hh"
#include "G4VEmModel.hh"
#include "G4ParticleChangeForGamma.hh"
#include "G4ProductionCutsTable.hh"

#include "G4MicroElecCrossSectionDataSet.hh"
#include "G4Electron.hh"
#include "G4Proton.hh"
#include "G4GenericIon.hh"
#include "G4ParticleDefinition.hh"

#include "G4LogLogInterpolation.hh"

#include "G4MicroElecSiStructure.hh"
#include "G4VAtomDeexcitation.hh"
#include "G4NistManager.hh"

class G4MicroElecInelasticModel : public G4VEmModel
{

public:

  G4MicroElecInelasticModel(const G4ParticleDefinition* p = 0, 
                   const G4String& nam = "MicroElecInelasticModel");

  virtual ~G4MicroElecInelasticModel();

  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);

  virtual G4double CrossSectionPerVolume(  const G4Material* material,
                       const G4ParticleDefinition* p,
                       G4double ekin,
                       G4double emin,
                       G4double emax);

  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
                 const G4MaterialCutsCouple*,
                 const G4DynamicParticle*,
                 G4double tmin,
                 G4double maxEnergy);

  double DifferentialCrossSection(G4ParticleDefinition * aParticleDefinition, G4double k, G4double energyTransfer, G4int shell);

protected:

  G4ParticleChangeForGamma* fParticleChangeForGamma;

private:

  //deexcitation manager to produce fluo photns and e-
  G4VAtomDeexcitation*      fAtomDeexcitation;

  G4Material* nistSi;

  std::map<G4String,G4double,std::less<G4String> > lowEnergyLimit;
  std::map<G4String,G4double,std::less<G4String> > highEnergyLimit;

  G4bool isInitialised;
  G4int verboseLevel;
  
  // Cross section

  typedef std::map<G4String,G4String,std::less<G4String> > MapFile;
  MapFile tableFile;

  typedef std::map<G4String,G4MicroElecCrossSectionDataSet*,std::less<G4String> > MapData;
  MapData tableData;
  
  // Final state
  
  G4MicroElecSiStructure SiStructure;

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

  void RandomizeEjectedElectronDirection(G4ParticleDefinition * aParticleDefinition, G4double incomingParticleEnergy, G4double
                                           outgoingParticleEnergy, G4double & cosTheta, G4double & phi );

  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[7];
  TriDimensionMap pDiffCrossSectionData[7];
  std::vector<double> eTdummyVec;
  std::vector<double> pTdummyVec;

  typedef std::map<double, std::vector<double> > VecMap;
  VecMap eVecm;
  VecMap pVecm;
  
  // Partial cross section
  
  G4int RandomSelect(G4double energy,const G4String& particle );
   
  //
   
  G4MicroElecInelasticModel & operator=(const  G4MicroElecInelasticModel &right);
  G4MicroElecInelasticModel(const  G4MicroElecInelasticModel&);

};

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#endif