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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 // INCL++ intra-nuclear cascade model
0027 // Alain Boudard, CEA-Saclay, France
0028 // Joseph Cugnon, University of Liege, Belgium
0029 // Jean-Christophe David, CEA-Saclay, France
0030 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
0031 // Sylvie Leray, CEA-Saclay, France
0032 // Davide Mancusi, CEA-Saclay, France
0033 //
0034 #define INCLXX_IN_GEANT4_MODE 1
0035 
0036 #include "globals.hh"
0037 
0038 /** \file G4INCLParticleSampler.hh
0039  * \brief Class for sampling particles in a nucleus
0040  *
0041  * \date 18 July 2012
0042  * \author Davide Mancusi
0043  */
0044 
0045 #ifndef G4INCLPARTICLESAMPLER_HH_
0046 #define G4INCLPARTICLESAMPLER_HH_
0047 
0048 #include "G4INCLNuclearDensity.hh"
0049 #include "G4INCLINuclearPotential.hh"
0050 #include "G4INCLInterpolationTable.hh"
0051 
0052 namespace G4INCL {
0053 
0054   class ParticleSampler {
0055 
0056     public:
0057       /** \brief Constructor.
0058        *
0059        * \param A the mass number
0060        * \param Z the charge number
0061        */
0062       ParticleSampler(const G4int A, const G4int Z, const G4int S);
0063 
0064       /// \brief Destructor
0065       ~ParticleSampler();
0066 
0067       /// \brief Getter for theDensity
0068       NuclearDensity const *getDensity() const { return theDensity; }
0069 
0070       /// \brief Getter for thePotential
0071       NuclearPotential::INuclearPotential const *getPotential() const { return thePotential; }
0072 
0073       /// \brief Getter for rpCorrelationCoefficient
0074       G4double getRPCorrelationCoefficient(const ParticleType t) const {
0075 // assert(t==Proton || t==Neutron);
0076         return rpCorrelationCoefficient[t];
0077       }
0078 
0079       /// \brief Setter for theDensity
0080       void setDensity(NuclearDensity const * const d);
0081 
0082       /// \brief Setter for thePotential
0083       void setPotential(NuclearPotential::INuclearPotential const * const p);
0084 
0085       /// \brief Setter for rpCorrelationCoefficient
0086       void setRPCorrelationCoefficient(const ParticleType t, const G4double corrCoeff) {
0087 // assert(t==Proton || t==Neutron);
0088         rpCorrelationCoefficient[t] = corrCoeff;
0089       }
0090 
0091       ParticleList sampleParticles(ThreeVector const &position);
0092       void sampleParticlesIntoList(ThreeVector const &position, ParticleList &theList);
0093 
0094     private:
0095 
0096       void updateSampleOneParticleMethods();
0097 
0098       typedef Particle *(ParticleSampler::*ParticleSamplerMethod)(const ParticleType t) const;
0099 
0100       /** \brief Sample a list of particles.
0101        *
0102        * This method is a pointer to the method that does the real work for protons.
0103        */
0104       ParticleSamplerMethod sampleOneProton;
0105 
0106       /** \brief Sample a list of particles.
0107        *
0108        * This method is a pointer to the method that does the real work for neutrons.
0109        */
0110       ParticleSamplerMethod sampleOneNeutron;
0111 
0112       /// \brief Sample one particle taking into account the rp-correlation
0113       Particle *sampleOneParticleWithRPCorrelation(const ParticleType t) const;
0114 
0115       /// \brief Sample one particle not taking into account the rp-correlation
0116       Particle *sampleOneParticleWithoutRPCorrelation(const ParticleType t) const;
0117 
0118       /// \brief Sample one particle with a fuzzy rp-correlation
0119       Particle *sampleOneParticleWithFuzzyRPCorrelation(const ParticleType t) const;
0120 
0121       /// \brief Mass number
0122       const G4int theA;
0123 
0124       /// \brief Charge number
0125       const G4int theZ;
0126 
0127       /// \brief Strangeness number
0128       const G4int theS;
0129 
0130       /// \brief Array of pointers to the r-space CDF table
0131       InterpolationTable const *theRCDFTable[UnknownParticle];
0132 
0133       /// \brief Array of pointers to the p-space CDF table
0134       InterpolationTable const *thePCDFTable[UnknownParticle];
0135 
0136       /// \brief Pointer to the Cluster's NuclearDensity
0137       NuclearDensity const *theDensity;
0138 
0139       /// \brief Pointer to the Cluster's NuclearPotential
0140       NuclearPotential::INuclearPotential const *thePotential;
0141 
0142       /// \brief Correlation coefficients for the r-p correlation
0143       G4double rpCorrelationCoefficient[UnknownParticle];
0144   };
0145 
0146 }
0147 
0148 #endif // G4INCLPARTICLESAMPLER_HH_