source: trunk/source/processes/hadronic/models/de_excitation/gem_evaporation/include/G4NeutronGEMProbability.hh

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// $Id: G4NeutronGEMProbability.hh,v 1.5 2009/09/15 12:54:16 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-03-ref-09 $
//
// Hadronic Process: Nuclear De-excitations
// by V. Lara (Nov 1999) 
//
// J.M. Quesada (July 2009) alpha's and beta's  values according to Furihata's paper 
// (based on notes added on proof in Dostrovskii's paper)


#ifndef G4NeutronGEMProbability_h
#define G4NeutronGEMProbability_h 1


#include "G4GEMProbability.hh"


class G4NeutronGEMProbability : public G4GEMProbability
{
public:
  // Only available constructor
  G4NeutronGEMProbability();
  
  ~G4NeutronGEMProbability() {}
private:  
  // Copy constructor
  G4NeutronGEMProbability(const G4NeutronGEMProbability &right);
  
  const G4NeutronGEMProbability & operator=(const G4NeutronGEMProbability &right);
  G4bool operator==(const G4NeutronGEMProbability &right) const;
  G4bool operator!=(const G4NeutronGEMProbability &right) const;
  
  
private:
  
  virtual G4double CalcAlphaParam(const G4Fragment & fragment) const 
  {
    //JMQ 190709 values according to Furihata's paper (based on notes added on proof in Dostrovskii's paper)
    //            return 0.76+2.2/std::pow(static_cast<G4double>(fragment.GetA()-GetA()),1.0/3.0);
    return 0.76+1.93/std::pow(static_cast<G4double>(fragment.GetA()-GetA()),1.0/3.0);
  }
  
  virtual G4double CalcBetaParam(const G4Fragment & fragment) const 
  {
    //JMQ 190709 values according to Furihata's paper (based on notes added on proof in Dostrovskii's paper)
    //            return (2.12/std::pow(static_cast<G4double>(fragment.GetA()-GetA()),2.0/3.0)-0.05)*MeV/
    return (1.66/std::pow(static_cast<G4double>(fragment.GetA()-GetA()),2.0/3.0)-0.05)*MeV/
      CalcAlphaParam(fragment);
  }
  
  // Excitation energy levels 
  std::vector<G4double> ExcitEnergies;
  // Spin of excitation energy levels 
  std::vector<G4double> ExcitSpins;
  
  std::vector<G4double> ExcitLifetimes;
  
};


#endif