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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 // Pekka Kaitaniemi, CEA and Helsinki Institute of Physics
28 // Joseph Cugnon, University of Liege, Belgium << 28 // Davide Mancusi, CEA
29 // Jean-Christophe David, CEA-Saclay, France << 29 // Alain Boudard, CEA
30 // Pekka Kaitaniemi, CEA-Saclay, France, and H << 30 // Sylvie Leray, CEA
31 // Sylvie Leray, CEA-Saclay, France << 31 // Joseph Cugnon, University of Liege
32 // Davide Mancusi, CEA-Saclay, France <<
33 // 32 //
34 #define INCLXX_IN_GEANT4_MODE 1 33 #define INCLXX_IN_GEANT4_MODE 1
35 34
36 #include "globals.hh" 35 #include "globals.hh"
37 36
38 #include "G4INCLTransmissionChannel.hh" 37 #include "G4INCLTransmissionChannel.hh"
39 38
40 namespace G4INCL { 39 namespace G4INCL {
41 40
42 TransmissionChannel::TransmissionChannel(Nuc 41 TransmissionChannel::TransmissionChannel(Nucleus * const nucleus, Particle * const particle)
43 : theNucleus(nucleus), theParticle(particl 42 : theNucleus(nucleus), theParticle(particle),
44 refraction(false), 43 refraction(false),
45 pOutMag(0.), 44 pOutMag(0.),
46 kineticEnergyOutside(initializeKineticEner 45 kineticEnergyOutside(initializeKineticEnergyOutside()),
47 cosRefractionAngle(1.) 46 cosRefractionAngle(1.)
48 {} 47 {}
49 48
50 TransmissionChannel::TransmissionChannel(Nuc 49 TransmissionChannel::TransmissionChannel(Nucleus * const nucleus, Particle * const particle, const G4double TOut)
51 : theNucleus(nucleus), theParticle(particl 50 : theNucleus(nucleus), theParticle(particle),
52 refraction(false), 51 refraction(false),
53 pOutMag(0.), 52 pOutMag(0.),
54 kineticEnergyOutside(TOut), 53 kineticEnergyOutside(TOut),
55 cosRefractionAngle(1.) 54 cosRefractionAngle(1.)
56 {} 55 {}
57 56
58 TransmissionChannel::TransmissionChannel(Nuc 57 TransmissionChannel::TransmissionChannel(Nucleus * const nucleus, Particle * const particle, const G4double kOut, const G4double cosR)
59 : theNucleus(nucleus), theParticle(particl 58 : theNucleus(nucleus), theParticle(particle),
60 refraction(true), 59 refraction(true),
61 pOutMag(kOut), 60 pOutMag(kOut),
62 kineticEnergyOutside(initializeKineticEner 61 kineticEnergyOutside(initializeKineticEnergyOutside()),
63 cosRefractionAngle(cosR) 62 cosRefractionAngle(cosR)
64 {} 63 {}
65 64
66 TransmissionChannel::~TransmissionChannel() 65 TransmissionChannel::~TransmissionChannel() {}
67 66
68 G4double TransmissionChannel::initializeKine 67 G4double TransmissionChannel::initializeKineticEnergyOutside() {
69 // The particle energy outside the nucleus 68 // The particle energy outside the nucleus. Subtract the nuclear
70 // potential from the kinetic energy when 69 // potential from the kinetic energy when leaving the nucleus
71 G4double TOut = theParticle->getEnergy() 70 G4double TOut = theParticle->getEnergy()
72 - theParticle->getPotentialEnergy() 71 - theParticle->getPotentialEnergy()
73 - theParticle->getMass(); 72 - theParticle->getMass();
74 73
75 // Correction for real masses 74 // Correction for real masses
76 const G4int AParent = theNucleus->getA(); 75 const G4int AParent = theNucleus->getA();
77 const G4int ZParent = theNucleus->getZ(); 76 const G4int ZParent = theNucleus->getZ();
78 const G4int SParent = theNucleus->getS(); << 77 const G4double theQValueCorrection = theParticle->getEmissionQValueCorrection(AParent,ZParent);
79 const G4double theQValueCorrection = thePa <<
80 TOut += theQValueCorrection; 78 TOut += theQValueCorrection;
81 return TOut; 79 return TOut;
82 } 80 }
83 81
84 void TransmissionChannel::particleLeaves() { 82 void TransmissionChannel::particleLeaves() {
85 83
86 // Use the table mass in the outside world 84 // Use the table mass in the outside world
87 theParticle->setTableMass(); 85 theParticle->setTableMass();
88 theParticle->setPotentialEnergy(0.); 86 theParticle->setPotentialEnergy(0.);
89 87
90 if(refraction) { 88 if(refraction) {
91 // Change the momentum direction 89 // Change the momentum direction
92 // The magnitude of the particle momentu 90 // The magnitude of the particle momentum outside the nucleus will be
93 // fixed by the kineticEnergyOutside var 91 // fixed by the kineticEnergyOutside variable. This is done in order to
94 // avoid numerical inaccuracies. 92 // avoid numerical inaccuracies.
95 const ThreeVector &position = theParticl 93 const ThreeVector &position = theParticle->getPosition();
96 const G4double r2 = position.mag2(); 94 const G4double r2 = position.mag2();
97 ThreeVector normal; 95 ThreeVector normal;
98 if(r2>0.) 96 if(r2>0.)
99 normal = position / std::sqrt(r2); 97 normal = position / std::sqrt(r2);
100 98
101 const ThreeVector &momentum = theParticl 99 const ThreeVector &momentum = theParticle->getMomentum();
102 100
103 const ThreeVector pOut = normal * (pOutM 101 const ThreeVector pOut = normal * (pOutMag * cosRefractionAngle) + momentum - normal * normal.dot(momentum);
104 // assert(std::fabs(pOut.mag()-pOutMag)<1.e-5) 102 // assert(std::fabs(pOut.mag()-pOutMag)<1.e-5);
105 103
106 theParticle->setMomentum(pOut); 104 theParticle->setMomentum(pOut);
107 } 105 }
108 // Scaling factor for the particle momentu 106 // Scaling factor for the particle momentum
109 theParticle->setEnergy(kineticEnergyOutsid 107 theParticle->setEnergy(kineticEnergyOutside + theParticle->getMass());
110 theParticle->adjustMomentumFromEnergy(); 108 theParticle->adjustMomentumFromEnergy();
111 } 109 }
112 110
113 void TransmissionChannel::fillFinalState(Fin << 111 FinalState* TransmissionChannel::getFinalState() {
>> 112 FinalState *fs = new FinalState;
114 G4double initialEnergy = 0.0; 113 G4double initialEnergy = 0.0;
115 initialEnergy = theParticle->getEnergy() - 114 initialEnergy = theParticle->getEnergy() - theParticle->getPotentialEnergy();
>> 115
116 // Correction for real masses 116 // Correction for real masses
117 const G4int AParent = theNucleus->getA(); 117 const G4int AParent = theNucleus->getA();
118 const G4int ZParent = theNucleus->getZ(); 118 const G4int ZParent = theNucleus->getZ();
119 const G4int SParent = theNucleus->getS(); <<
120 initialEnergy += theParticle->getTableMass 119 initialEnergy += theParticle->getTableMass() - theParticle->getMass()
121 + theParticle->getEmissionQValueCorrecti << 120 + theParticle->getEmissionQValueCorrection(AParent,ZParent);
>> 121
122 particleLeaves(); 122 particleLeaves();
123 << 123
124 fs->setTotalEnergyBeforeInteraction(initia 124 fs->setTotalEnergyBeforeInteraction(initialEnergy);
125 fs->addOutgoingParticle(theParticle); // W 125 fs->addOutgoingParticle(theParticle); // We write the particle down as outgoing
>> 126 return fs;
126 } 127 }
127 } 128 }
128 129