G4StatMFMicroPartition.hh

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// $Id$
//
// Hadronic Process: Nuclear De-excitations
// by V. Lara

#ifndef G4StatMFMicroPartition_h
#define G4StatMFMicroPartition_h 1

#include  <vector>

#include "globals.hh"
#include "G4StatMFParameters.hh"
#include "G4StatMFChannel.hh"

class G4StatMFMicroPartition {

public:
    // Constructor
    G4StatMFMicroPartition(const G4int A, const G4double Z) :
        theA(A), theZ(Z), _Probability(0.0), _Temperature(0.0), 
        _Entropy(0.0) {};


    // Destructor
    ~G4StatMFMicroPartition() {};


private:
    // Default constructor
    G4StatMFMicroPartition() {};
        
    // Copy constructor
    G4StatMFMicroPartition(const G4StatMFMicroPartition & right);

    // operators
    G4StatMFMicroPartition & operator=(const G4StatMFMicroPartition & right);
public:
    G4bool operator==(const G4StatMFMicroPartition & right) const;
    G4bool operator!=(const G4StatMFMicroPartition & right) const;

public:

    // Gives fragments charges
    G4StatMFChannel * ChooseZ(const G4double A0, const G4double Z0, const G4double MeanT);      

    G4double GetProbability(void)
        { return _Probability; }
        


    void SetPartitionFragment(const G4int anA)
        { 
            _thePartition.push_back(anA);
            CoulombFreeEnergy(anA);
        }
        
    void Normalize(const G4double Normalization)
        { _Probability /= Normalization; }


    G4double CalcPartitionProbability(const G4double U,
                                      const G4double FreeInternalE0,
                                      const G4double SCompound);
                                                                
    G4double GetTemperature(void)
        {
            return _Temperature;
        }
        
    G4double GetEntropy(void)
        {
            return _Entropy;
        }

private:
    void CoulombFreeEnergy(const G4double anA);

    G4double CalcPartitionTemperature(const G4double U, 
                                      const G4double FreeInternalE0);

    G4double GetPartitionEnergy(const G4double T);
        
    G4double GetCoulombEnergy(void);

    G4double GetDegeneracyFactor(const G4int A);
        
    G4double InvLevelDensity(const G4double Af) 
        {
            // Calculate Inverse Density Level
            // Epsilon0*(1 + 3 /(Af - 1))
            if (Af < 1.5) return 0.0;
            else return G4StatMFParameters::GetEpsilon0()*(1.0+3.0/(Af - 1.0));
        }

private:

    // A and Z of initial nucleus
    G4double theA;
    G4double theZ;

    // Partition probability
    G4double _Probability;
        
    // Partition temperature
    G4double _Temperature;
        
    // Partition entropy
    G4double _Entropy;
        
    // The partition itself
    std::vector<G4int> _thePartition;
        
        
    std::vector<G4double> _theCoulombFreeEnergy;

};

#endif

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