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0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 // GEM de-excitation model
0027 // by V. Ivanchenko (July 2019)
0028 //
0029 #ifndef G4GEMProbabilityVI_h
0030 #define G4GEMProbabilityVI_h 1
0031 
0032 #include "G4VEmissionProbability.hh"
0033 
0034 //const G4int NPOINTSGEM = 10;
0035 
0036 class G4LevelManager;
0037 
0038 class G4GEMProbabilityVI final: public G4VEmissionProbability
0039 {
0040 public:
0041 
0042   explicit G4GEMProbabilityVI(G4int anA, G4int aZ, const G4LevelManager*); 
0043 
0044   ~G4GEMProbabilityVI() final;
0045 
0046   G4double ComputeTotalProbability(const G4Fragment&, G4double CB);
0047 
0048   // compute probability for evaporated fragment in ground state
0049   G4double ComputeProbability(G4double ekin, G4double CB) override;
0050 
0051   G4Fragment* SampleEvaporationFragment();
0052 
0053 private:
0054 
0055   // compute probability for evaporated fragment may be excited
0056   G4double Integrated2DProbability();
0057 
0058   // probability as a function of excitations
0059   G4double ProbabilityDistributionFunction(G4double exc, G4double resExc);
0060 
0061   G4Fragment* Sample2DDistribution();
0062 
0063   G4double I0(G4double t);
0064   G4double I1(G4double t, G4double tx);
0065   G4double I2(G4double s0, G4double sx);
0066   G4double I3(G4double s0, G4double sx);
0067 
0068   // Copy constructor
0069   G4GEMProbabilityVI(const G4GEMProbabilityVI &right);
0070   const G4GEMProbabilityVI & operator=(const G4GEMProbabilityVI &right);
0071   G4bool operator==(const G4GEMProbabilityVI &right) const;
0072   G4bool operator!=(const G4GEMProbabilityVI &right) const;
0073 
0074   const G4LevelManager* lManager;
0075 
0076   G4int fragA;
0077   G4int fragZ;
0078 
0079   G4double bCoulomb;
0080   G4double resA13;
0081   G4double U, delta0, delta1, a0, a1;
0082   G4double alphaP, betaP;
0083   G4double Umax, A13;
0084   //  G4double levelDensity, levelDensity1;
0085 
0086   // Gamma is A_f(2S_f+1) factor, where A_f is fragment atomic 
0087   // number and S_f is fragment spin
0088   G4double Gamma;
0089   G4double coeff;
0090   G4double pcoeff;
0091 
0092   G4double probmax;
0093 
0094   G4bool isExcited;
0095 
0096   //static const G4double ws[NPOINTSGEM];
0097   //static const G4double xs[NPOINTSGEM];
0098 
0099 };
0100 
0101 #endif