G4DNAChampionElasticModel.hh

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// $Id: G4DNAChampionElasticModel.hh 87137 2014-11-25 09:12:48Z gcosmo $
//

#ifndef G4DNAChampionElasticModel_h
#define G4DNAChampionElasticModel_h 1

#include <map>
#include "G4DNACrossSectionDataSet.hh"
#include "G4VEmModel.hh"
#include "G4Electron.hh"
#include "G4ParticleChangeForGamma.hh"
#include "G4LogLogInterpolation.hh"
#include "G4ProductionCutsTable.hh"
#include "G4NistManager.hh"

class G4DNAChampionElasticModel : public G4VEmModel
{

public:

  G4DNAChampionElasticModel(const G4ParticleDefinition* p = 0,
                            const G4String& nam = "DNAChampionElasticModel");

  virtual ~G4DNAChampionElasticModel();

  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);

  void SetKillBelowThreshold(G4double threshold);

  G4double GetKillBelowThreshold()
  {
    return killBelowEnergy;
  }

protected:

  G4ParticleChangeForGamma* fParticleChangeForGamma;

private:
  // Water density table
  const std::vector<G4double>* fpMolWaterDensity;

  G4double killBelowEnergy;
  G4double lowEnergyLimit;
  G4double highEnergyLimit;
  G4bool isInitialised;
  G4int verboseLevel;

  // Cross section

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

  typedef std::map<G4String, G4DNACrossSectionDataSet*, std::less<G4String> > MapData;
  MapData tableData;

  // Final state

  //G4double DifferentialCrossSection(G4ParticleDefinition * aParticleDefinition, G4double k, G4double theta);

  G4double Theta(G4ParticleDefinition * aParticleDefinition,
                 G4double k,
                 G4double integrDiff);

  G4double LinLinInterpolate(G4double e1,
                             G4double e2,
                             G4double e,
                             G4double xs1,
                             G4double xs2);

  G4double LinLogInterpolate(G4double e1,
                             G4double e2,
                             G4double e,
                             G4double xs1,
                             G4double xs2);

  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;
  std::vector<double> eTdummyVec;

  typedef std::map<double, std::vector<double> > VecMap;
  VecMap eVecm;

  G4double RandomizeCosTheta(G4double k);

  //

  G4DNAChampionElasticModel & operator=(const G4DNAChampionElasticModel &right);
  G4DNAChampionElasticModel(const G4DNAChampionElasticModel&);

};

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#endif