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25 // 25 //
26 // INCL++ intra-nuclear cascade model 26 // INCL++ intra-nuclear cascade model
27 // Alain Boudard, CEA-Saclay, France 27 // Alain Boudard, CEA-Saclay, France
28 // Joseph Cugnon, University of Liege, Belgium 28 // Joseph Cugnon, University of Liege, Belgium
29 // Jean-Christophe David, CEA-Saclay, France 29 // Jean-Christophe David, CEA-Saclay, France
30 // Pekka Kaitaniemi, CEA-Saclay, France, and H 30 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
31 // Sylvie Leray, CEA-Saclay, France 31 // Sylvie Leray, CEA-Saclay, France
32 // Davide Mancusi, CEA-Saclay, France 32 // Davide Mancusi, CEA-Saclay, France
33 // 33 //
34 #define INCLXX_IN_GEANT4_MODE 1 34 #define INCLXX_IN_GEANT4_MODE 1
35 35
36 #include "globals.hh" 36 #include "globals.hh"
37 37
38 /** \file G4INCLNuclearPotentialEnergyIsospin. 38 /** \file G4INCLNuclearPotentialEnergyIsospin.cc
39 * \brief Isospin- and energy-dependent nuclea 39 * \brief Isospin- and energy-dependent nuclear potential.
40 * 40 *
41 * Provides an isospin- and energy-dependent n 41 * Provides an isospin- and energy-dependent nuclear potential.
42 * 42 *
43 * \date 21 March 2011 43 * \date 21 March 2011
44 * \author Davide Mancusi 44 * \author Davide Mancusi
45 */ 45 */
46 46
47 #include "G4INCLNuclearPotentialEnergyIsospin. 47 #include "G4INCLNuclearPotentialEnergyIsospin.hh"
48 #include "G4INCLParticleTable.hh" 48 #include "G4INCLParticleTable.hh"
49 #include "G4INCLGlobals.hh" 49 #include "G4INCLGlobals.hh"
50 50
51 namespace G4INCL { 51 namespace G4INCL {
52 52
53 namespace NuclearPotential { 53 namespace NuclearPotential {
54 54
55 const G4double NuclearPotentialEnergyIsosp 55 const G4double NuclearPotentialEnergyIsospin::alpha= 0.223;
56 56
57 // Constructors 57 // Constructors
58 NuclearPotentialEnergyIsospin::NuclearPote 58 NuclearPotentialEnergyIsospin::NuclearPotentialEnergyIsospin(const G4int A, const G4int Z, const G4bool aPionPotential)
59 : NuclearPotentialIsospin(A,Z,aPionPoten 59 : NuclearPotentialIsospin(A,Z,aPionPotential)
60 {} 60 {}
61 61
62 // Destructor 62 // Destructor
63 NuclearPotentialEnergyIsospin::~NuclearPot 63 NuclearPotentialEnergyIsospin::~NuclearPotentialEnergyIsospin() {}
64 64
65 G4double NuclearPotentialEnergyIsospin::co 65 G4double NuclearPotentialEnergyIsospin::computePotentialEnergy(const Particle *particle) const {
66 66
67 const G4double v0 = NuclearPotentialIsos 67 const G4double v0 = NuclearPotentialIsospin::computePotentialEnergy(particle);
68 68
69 if(particle->isNucleon()) { 69 if(particle->isNucleon()) {
70 const G4double t = particle->getKineti 70 const G4double t = particle->getKineticEnergy();
71 const G4double tf = getFermiEnergy(par 71 const G4double tf = getFermiEnergy(particle);
72 // Constant potential for T<Tf 72 // Constant potential for T<Tf
73 if(t < tf) 73 if(t < tf)
74 return v0; 74 return v0;
75 75
76 // Linear function for T>Tf 76 // Linear function for T>Tf
77 const G4double v = v0 - alpha*(t-tf)/( 77 const G4double v = v0 - alpha*(t-tf)/(1-alpha);
78 return (v>0.0) ? v : 0.0; // return 0. 78 return (v>0.0) ? v : 0.0; // return 0.0 if v is negative
79 } else 79 } else
80 return v0; 80 return v0;
81 } 81 }
82 82
83 } 83 }
84 } 84 }
85 85
86 86