G4GEMProbabilityVI.hh

Go to the documentation of this file.

//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
// GEM de-excitation model
// by V. Ivanchenko (July 2019)
//
#ifndef G4GEMProbabilityVI_h
#define G4GEMProbabilityVI_h 1
 
#include "G4VEmissionProbability.hh"
 
//const G4int NPOINTSGEM = 10;
 
class G4LevelManager;
 
class G4GEMProbabilityVI final: public G4VEmissionProbability
{
public:
 
  explicit G4GEMProbabilityVI(G4int anA, G4int aZ, const G4LevelManager*); 
 
  ~G4GEMProbabilityVI() final;
 
  G4double ComputeTotalProbability(const G4Fragment&, G4double CB);
 
  // compute probability for evaporated fragment in ground state
  G4double ComputeProbability(G4double ekin, G4double CB) override;
 
  G4Fragment* SampleEvaporationFragment();
 
private:
 
  // compute probability for evaporated fragment may be excited
  G4double Integrated2DProbability();
 
  // probability as a function of excitations
  G4double ProbabilityDistributionFunction(G4double exc, G4double resExc);
 
  G4Fragment* Sample2DDistribution();
 
  G4double I0(G4double t);
  G4double I1(G4double t, G4double tx);
  G4double I2(G4double s0, G4double sx);
  G4double I3(G4double s0, G4double sx);
 
  // Copy constructor
  G4GEMProbabilityVI(const G4GEMProbabilityVI &right);
  const G4GEMProbabilityVI & operator=(const G4GEMProbabilityVI &right);
  G4bool operator==(const G4GEMProbabilityVI &right) const;
  G4bool operator!=(const G4GEMProbabilityVI &right) const;
 
  const G4LevelManager* lManager;
 
  G4int fragA;
  G4int fragZ;
 
  G4double bCoulomb;
  G4double resA13;
  G4double U, delta0, delta1, a0, a1;
  G4double alphaP, betaP;
  G4double Umax, A13;
  //  G4double levelDensity, levelDensity1;
 
  // Gamma is A_f(2S_f+1) factor, where A_f is fragment atomic 
  // number and S_f is fragment spin
  G4double Gamma;
  G4double coeff;
  G4double pcoeff;
 
  G4double probmax;
 
  G4bool isExcited;
 
  //static const G4double ws[NPOINTSGEM];
  //static const G4double xs[NPOINTSGEM];
 
};
 
#endif