G4DNAMolecularDissociation.hh

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// $Id: G4DNAMolecularDissociation.hh 101354 2016-11-15 08:27:51Z gcosmo $
//
// Author: Mathieu Karamitros

// The code is developed in the framework of the ESA AO7146
//
// We would be very happy hearing from you, send us your feedback! :)
//
// In order for Geant4-DNA to be maintained and still open-source,
// article citations are crucial. 
// If you use Geant4-DNA chemistry and you publish papers about your software, 
// in addition to the general paper on Geant4-DNA:
//
// Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
//
// we would be very happy if you could please also cite the following
// reference papers on chemistry:
//
// J. Comput. Phys. 274 (2014) 841-882
// Prog. Nucl. Sci. Tec. 2 (2011) 503-508 


#ifndef G4MOLECULARDECAYPROCESS_HH
#define G4MOLECULARDECAYPROCESS_HH

#include "G4VITRestProcess.hh"
#include "G4VITRestDiscreteProcess.hh"
#include <map>

class G4ParticleChange;
class G4VMolecularDecayDisplacer;
class G4MoleculeDefinition;

class G4DNAMolecularDissociation: public G4VITRestDiscreteProcess //G4VITRestProcess
{
public:
    G4DNAMolecularDissociation(const G4String& processName = "DNAMolecularDecay",
                            G4ProcessType type = fDecay);

    virtual ~G4DNAMolecularDissociation();

    G4IT_ADD_CLONE(G4VITProcess, G4DNAMolecularDissociation)

    virtual G4bool IsApplicable(const G4ParticleDefinition&);


    virtual G4double
    PostStepGetPhysicalInteractionLength(const G4Track& track,
                                         G4double previousStepSize,
                                         G4ForceCondition* condition);

    inline G4double AtRestGetPhysicalInteractionLength(
        const G4Track& track,
        G4ForceCondition* condition
        );
    inline G4VParticleChange* AtRestDoIt(
        const G4Track& track,
        const G4Step& step
        );

    inline G4VParticleChange* PostStepDoIt(
        const G4Track& track,
        const G4Step& step
        )
    {
      return AtRestDoIt(track, step);
    }

    inline void SetVerbose(G4int);

    //__________________________________________________________________
    void SetDecayDisplacer(const G4ParticleDefinition*, G4VMolecularDecayDisplacer*);
    G4VMolecularDecayDisplacer* GetDecayDisplacer(const G4ParticleDefinition*);
  
  //__________________________________________________________________
  void SetDisplacer(const G4ParticleDefinition*, G4VMolecularDecayDisplacer*);
  G4VMolecularDecayDisplacer* GetDisplacer(const G4ParticleDefinition*);

protected:
    //__________________________________________________________________
    // Make the decay
    virtual G4VParticleChange* DecayIt(const G4Track& ,const G4Step&);
    virtual G4double GetMeanLifeTime(const G4Track&,G4ForceCondition*);
    virtual G4double GetMeanFreePath(const G4Track& ,
                                     G4double ,
                                     G4ForceCondition* )
    {
      return 0;
    }

private:
    G4DNAMolecularDissociation();
    G4DNAMolecularDissociation(const G4DNAMolecularDissociation &right);
    G4DNAMolecularDissociation & operator=(const G4DNAMolecularDissociation &right);

private:
    G4bool fDecayAtFixedTime ;

    typedef std::map<const G4ParticleDefinition*, G4VMolecularDecayDisplacer*>  DisplacementMap;
    DisplacementMap fDisplacementMap;

    G4int fVerbose;
};

inline void G4DNAMolecularDissociation::SetVerbose(G4int verbose)
{
    fVerbose = verbose ;
}

inline G4double G4DNAMolecularDissociation::AtRestGetPhysicalInteractionLength(
    const G4Track& track,
    G4ForceCondition* condition)
{
    if(fDecayAtFixedTime)
    {
        return GetMeanLifeTime(track, condition);
    }

    return G4VITRestDiscreteProcess::AtRestGetPhysicalInteractionLength(track, condition);
//    return G4VITRestProcess::AtRestGetPhysicalInteractionLength(track, condition);
}

inline G4VParticleChange* G4DNAMolecularDissociation::AtRestDoIt(
    const G4Track& track,
    const G4Step& step
    )
{
    ClearNumberOfInteractionLengthLeft();
    ClearInteractionTimeLeft();
    return DecayIt(track, step);
}


#endif /* G4MOLECULARDECAYPROCESS_HH */