G4DNAElectronHoleRecombination.hh

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/*
 * G4DNAElectronHoleRecombination.hh
 *
 *  Created on: Jun 17, 2015
 *      Author: mkaramit
 */

#ifndef SOURCE_PROCESSES_ELECTROMAGNETIC_DNA_PROCESSES_INCLUDE_G4DNAELECTRONHOLERECOMBINATION_HH_
#define SOURCE_PROCESSES_ELECTROMAGNETIC_DNA_PROCESSES_INCLUDE_G4DNAELECTRONHOLERECOMBINATION_HH_

#include <G4VITRestDiscreteProcess.hh>

class G4DNAElectronHoleRecombination : public G4VITRestDiscreteProcess
{
public:
  G4DNAElectronHoleRecombination();
  virtual ~G4DNAElectronHoleRecombination();
  void Create();

  void StartTracking(G4Track*);

  virtual G4bool IsApplicable(const G4ParticleDefinition&);

  virtual void BuildPhysicsTable(const G4ParticleDefinition&){}

  // DoIt    /////////////////
  virtual G4VParticleChange* AtRestDoIt(const G4Track& /*track*/,
                                        const G4Step& /*stepData*/);
  //  A virtual base class function that has to be overridden
  //  by any subclass. The DoIt method actually performs the
  //  physics process and determines either momentum change
  //  of the production of secondaries etc.
  //    arguments
  //      const G4Track&    track:
  //        reference to the current G4Track information
  //      const G4Step&     stepData:
  //        reference to the current G4Step information

  virtual G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&);


  // GPIL    //////////////

  virtual G4double GetMeanFreePath(const G4Track& aTrack,
                                   G4double previousStepSize,
                                   G4ForceCondition* condition);
  //  Calculates from the macroscopic cross section a mean
  //  free path, the value is returned in units of distance.

  virtual G4double GetMeanLifeTime(const G4Track& aTrack,
                                   G4ForceCondition* condition);
  //  Calculates the mean life-time (i.e. for decays) of the
  //  particle at rest due to the occurence of the given process,
  //  or converts the probability of interaction (i.e. for
  //  annihilation) into the life-time of the particle for the
  //  occurence of the given process.

private:

  struct ReactionProfile
  {
    G4Track* fElectron;
    G4double fDistance;
    G4double fProbability;
  };

  struct State : public G4ProcessStateBase<G4DNAElectronHoleRecombination>
  {
    std::vector<ReactionProfile> fReactants; // distanceSqr;
    G4double fSampleProba;
  };

  G4bool FindReactant(const G4Track& track);
  void MakeReaction(const G4Track& track);

  const std::vector<double>* fpMoleculeDensity;
  G4ParticleChange fParticleChange;
  G4bool fIsInitialized;
  std::map<int, std::pair<double, double> > fOnsagerRadiusPerMaterial;

};

#endif /* SOURCE_PROCESSES_ELECTROMAGNETIC_DNA_PROCESSES_INCLUDE_G4DNAELECTRONHOLERECOMBINATION_HH_ */