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// $Id: G4DNAMillerGreenExcitationModel.hh,v 1.2 2010/01/07 18:10:19 sincerti Exp $
// GEANT4 tag $Name: geant4-09-04-beta-cand-01 $
//

#ifndef G4DNAMillerGreenExcitationModel_h
#define G4DNAMillerGreenExcitationModel_h 1

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

#include "G4Proton.hh"
#include "G4DNAGenericIonsManager.hh"
#include "G4DNAEmfietzoglouExcitationModel.hh"
#include "G4WaterExcitationStructure.hh"
#include "Randomize.hh"

class G4DNAMillerGreenExcitationModel : public G4VEmModel
{

public:

  G4DNAMillerGreenExcitationModel(const G4ParticleDefinition* p = 0, 
		          const G4String& nam = "DNAMillerGreenExcitationModel");

  virtual ~G4DNAMillerGreenExcitationModel();

  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);

protected:

  G4ParticleChangeForGamma* fParticleChangeForGamma;

private:

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

  G4bool isInitialised;
  G4int verboseLevel;
  
  // Cross section

  // Partial cross section
  
  G4double PartialCrossSection(G4double energy,G4int level, const G4ParticleDefinition* particle);

  G4double Sum(G4double energy, const G4ParticleDefinition* particle);

  G4int RandomSelect(G4double energy, const G4ParticleDefinition* particle);

  G4int nLevels;

  G4WaterExcitationStructure waterExcitation;
  
  G4double S_1s(G4double t, 
		G4double energyTransferred, 
		G4double slaterEffectiveCharge,
		G4double shellNumber);

  G4double S_2s(G4double t, 
		G4double energyTransferred,  
		G4double slaterEffectiveCharge, 
		G4double shellNumber);

  G4double S_2p(G4double t, 
		G4double energyTransferred, 
		G4double slaterEffectiveCharge, 
		G4double shellNumber);

  G4double R(G4double t, 
	     G4double energyTransferred, 
	     G4double slaterEffectiveCharge, 
	     G4double shellNumber);

  G4double kineticEnergyCorrection[4]; // 4 is the particle type index
  G4double slaterEffectiveCharge[3][4];
  G4double sCoefficient[3][4];

  //
   
  G4DNAMillerGreenExcitationModel & operator=(const  G4DNAMillerGreenExcitationModel &right);
  G4DNAMillerGreenExcitationModel(const  G4DNAMillerGreenExcitationModel&);

};

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

#endif