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25 //
26 // INCL++ intra-nuclear cascade model
27 // Alain Boudard, CEA-Saclay, France
28 // Joseph Cugnon, University of Liege, Belgium
29 // Jean-Christophe David, CEA-Saclay, France
30 // Pekka Kaitaniemi, CEA-Saclay, France, and H
31 // Sylvie Leray, CEA-Saclay, France
32 // Davide Mancusi, CEA-Saclay, France
33 //
34 #define INCLXX_IN_GEANT4_MODE 1
35
36 #include "globals.hh"
37
38 /** \file G4INCLParticleSampler.cc
39 * \brief Class for sampling particles in a nu
40 *
41 * \date 18 July 2012
42 * \author Davide Mancusi
43 */
44
45 #include "G4INCLParticleSampler.hh"
46 #include "G4INCLParticleTable.hh"
47 #include "G4INCLNuclearDensityFactory.hh"
48
49 namespace G4INCL {
50
51 ParticleSampler::ParticleSampler(const G4int
52 sampleOneProton(&ParticleSampler::sampleOn
53 sampleOneNeutron(&ParticleSampler::sampleO
54 theA(A),
55 theZ(Z),
56 theS(S),
57 theDensity(NULL),
58 thePotential(NULL)
59 {
60 std::fill(theRCDFTable, theRCDFTable + Unk
61 std::fill(thePCDFTable, thePCDFTable + Unk
62 std::fill(rpCorrelationCoefficient, rpCorr
63 rpCorrelationCoefficient[Proton] = Particl
64 rpCorrelationCoefficient[Neutron] = Partic
65 rpCorrelationCoefficient[Lambda] = Particl
66 }
67
68 ParticleSampler::~ParticleSampler() {
69 }
70
71 void ParticleSampler::setDensity(NuclearDens
72 theDensity = d;
73 updateSampleOneParticleMethods();
74 }
75
76 void ParticleSampler::setPotential(NuclearPo
77 thePotential = p;
78 updateSampleOneParticleMethods();
79 }
80
81 void ParticleSampler::updateSampleOneParticl
82 if(theDensity && thePotential) {
83 if(rpCorrelationCoefficient[Proton]>0.99
84 sampleOneProton = &ParticleSampler::sa
85 } else {
86 sampleOneProton = &ParticleSampler::sa
87 }
88 if(rpCorrelationCoefficient[Neutron]>0.9
89 sampleOneNeutron = &ParticleSampler::s
90 } else {
91 sampleOneNeutron = &ParticleSampler::s
92 }
93 } else {
94 sampleOneProton = &ParticleSampler::samp
95 sampleOneNeutron = &ParticleSampler::sam
96 }
97 }
98
99 ParticleList ParticleSampler::sampleParticle
100 ParticleList aList;
101 sampleParticlesIntoList(position, aList);
102 return aList;
103 }
104
105 void ParticleSampler::sampleParticlesIntoLis
106
107 if(sampleOneProton == &ParticleSampler::sa
108 // sampling without correlation, we need
109 theRCDFTable[Proton] = NuclearDensityFac
110 thePCDFTable[Proton] = NuclearDensityFac
111 theRCDFTable[Neutron] = NuclearDensityFa
112 thePCDFTable[Neutron] = NuclearDensityFa
113 theRCDFTable[Lambda] = NuclearDensityFac
114 thePCDFTable[Lambda] = NuclearDensityFac
115 }
116
117 theList.resize(theA);
118 if(theA > 2) {
119 ParticleType type = Proton;
120 ParticleSamplerMethod sampleOneParticle
121 for(G4int i = 0; i < theA; ++i) {
122 if(i == theZ) { // Nucleons [Z..A-1] a
123 type = Lambda;
124 sampleOneParticle = sampleOneNeutron
125 }
126 if(i == theZ - theS) type = Neutron;
127 Particle *p = (this->*sampleOneParticl
128 p->setPosition(position + p->getPositi
129 theList[i] = p;
130 }
131 } else {
132 // For deuterons, only sample the proton
133 // neutron position and momenta are dete
134 // vanishing CM position and total momen
135 // assert(theZ==1);
136 Particle *aProton = (this->*(this->sampl
137 Particle *aNeutron = new Particle(Neutro
138 aProton->setPosition(position + aProton-
139 theList[0] = aProton;
140 theList[1] = aNeutron;
141 }
142 }
143
144 Particle *ParticleSampler::sampleOneParticle
145 // assert(theDensity && thePotential);
146 const G4double theFermiMomentum = thePoten
147 const ThreeVector momentumVector = Random:
148 const G4double momentumAbs = momentumVecto
149 const G4double momentumRatio = momentumAbs
150 const G4double reflectionRadius = theDensi
151 const ThreeVector positionVector = Random:
152 Particle *aParticle = new Particle(t, mome
153 aParticle->setUncorrelatedMomentum(momentu
154 return aParticle;
155 }
156
157 Particle *ParticleSampler::sampleOneParticle
158 const G4double position = (*(theRCDFTable[
159 const G4double momentum = (*(thePCDFTable[
160 ThreeVector positionVector = Random::normV
161 ThreeVector momentumVector = Random::normV
162 return new Particle(t, momentumVector, pos
163 }
164
165 Particle *ParticleSampler::sampleOneParticle
166 // assert(theDensity && thePotential);
167 std::pair<G4double,G4double> ranNumbers =
168 const G4double x = Math::pow13(ranNumbers.
169 const G4double y = Math::pow13(ranNumbers.
170 const G4double theFermiMomentum = thePoten
171 const ThreeVector momentumVector = Random:
172 const G4double reflectionRadius = theDensi
173 const ThreeVector positionVector = Random:
174 Particle *aParticle = new Particle(t, mome
175 aParticle->setUncorrelatedMomentum(x*theFe
176 return aParticle;
177 }
178
179 }
180
181