G4DNAPTBElasticModel.hh

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// Authors: S. Meylan and C. Villagrasa (IRSN, France)
// Models come from
// M. Bug et al, Rad. Phys and Chem. 130, 459-479 (2017)
//


#ifndef G4DNAPTBElasticModel_h
#define G4DNAPTBElasticModel_h 1

#include <map>
#include "G4DNACrossSectionDataSet.hh"
#include "G4VDNAModel.hh"
#include "G4Electron.hh"
#include "G4ParticleChangeForGamma.hh"
#include "G4LogLogInterpolation.hh"
#include "G4ProductionCutsTable.hh"
#include "G4NistManager.hh"

class G4DNAPTBElasticModel : public G4VDNAModel
{

public:

    G4DNAPTBElasticModel(const G4String &applyToMaterial = "all", const G4ParticleDefinition* p = 0,
                         const G4String& nam = "DNAPTBElasticModel");

    virtual ~G4DNAPTBElasticModel();

    virtual void Initialise(const G4ParticleDefinition* particle, const G4DataVector&, G4ParticleChangeForGamma* fpChangeForGamme=nullptr);

    virtual G4double CrossSectionPerVolume(const G4Material* material,
                                           const G4String& materialName,
                                           const G4ParticleDefinition* p,
                                           G4double ekin,
                                           G4double emin,
                                           G4double emax);

    virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
                                   const G4MaterialCutsCouple*,
                                   const G4String& materialName,
                                   const G4DynamicParticle*,
                                   G4ParticleChangeForGamma *particleChangeForGamma,
                                   G4double tmin,
                                   G4double tmax);

protected:



private:

    G4int verboseLevel; 
    std::map<G4String, double > killBelowEnergyTable; 
    G4double fKillBelowEnergy; 

    typedef std::map<G4String, std::map<G4String, std::map<double, std::map<double, double> > > > TriDimensionMap;
    TriDimensionMap diffCrossSectionData; 

    typedef std::map<G4String, std::map<G4String, std::map<double, std::vector<double> > > > VecMap;
    VecMap eValuesVect; 
    std::map<G4String, std::map<G4String, std::vector<double> > > tValuesVec; 

    void ReadDiffCSFile(const G4String &materialName, const G4String &particleName, const G4String &file, const G4double);

    G4double Theta(G4ParticleDefinition * fParticleDefinition, G4double k, G4double integrDiff, const G4String &materialName);

    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);

    G4double RandomizeCosTheta(G4double k, const G4String &materialName);

    // copy constructor and hide assignment operator
    G4DNAPTBElasticModel(G4DNAPTBElasticModel &); // prevent copy-construction
    G4DNAPTBElasticModel & operator=(const G4DNAPTBElasticModel &right); // prevent assignement
};

#endif