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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 G4INCLNuclearPotentialConstant.cc 38 /** \file G4INCLNuclearPotentialConstant.cc
39 * \brief Isospin- and energy-independent nucl 39 * \brief Isospin- and energy-independent nuclear potential.
40 * 40 *
41 * Provides a constant nuclear potential (V0). 41 * Provides a constant nuclear potential (V0).
42 * 42 *
43 * \date 17 January 2011 43 * \date 17 January 2011
44 * \author Davide Mancusi 44 * \author Davide Mancusi
45 */ 45 */
46 46
47 #include "G4INCLNuclearPotentialConstant.hh" 47 #include "G4INCLNuclearPotentialConstant.hh"
48 #include "G4INCLParticleTable.hh" 48 #include "G4INCLParticleTable.hh"
49 49
50 namespace G4INCL { 50 namespace G4INCL {
51 51
52 namespace NuclearPotential { 52 namespace NuclearPotential {
53 53
54 // Constructors 54 // Constructors
55 NuclearPotentialConstant::NuclearPotential 55 NuclearPotentialConstant::NuclearPotentialConstant(const G4int A, const G4int Z, const G4bool aPionPotential)
56 : INuclearPotential(A, Z, aPionPotential 56 : INuclearPotential(A, Z, aPionPotential)
57 { 57 {
58 initialize(); 58 initialize();
59 } 59 }
60 60
61 // Destructor 61 // Destructor
62 NuclearPotentialConstant::~NuclearPotentia 62 NuclearPotentialConstant::~NuclearPotentialConstant() {
63 } 63 }
64 64
65 void NuclearPotentialConstant::initialize( 65 void NuclearPotentialConstant::initialize() {
66 const G4double mp = ParticleTable::getIN 66 const G4double mp = ParticleTable::getINCLMass(Proton);
67 const G4double mn = ParticleTable::getIN 67 const G4double mn = ParticleTable::getINCLMass(Neutron);
68 68
69 const G4double theFermiMomentum = Partic 69 const G4double theFermiMomentum = ParticleTable::getFermiMomentum(theA,theZ);
70 70
71 fermiMomentum[Proton] = theFermiMomentum 71 fermiMomentum[Proton] = theFermiMomentum;
72 const G4double theProtonFermiEnergy = st 72 const G4double theProtonFermiEnergy = std::sqrt(theFermiMomentum*theFermiMomentum + mp*mp) - mp;
73 fermiEnergy[Proton] = theProtonFermiEner 73 fermiEnergy[Proton] = theProtonFermiEnergy;
74 74
75 fermiMomentum[Neutron] = theFermiMomentu 75 fermiMomentum[Neutron] = theFermiMomentum;
76 const G4double theNeutronFermiEnergy = s 76 const G4double theNeutronFermiEnergy = std::sqrt(theFermiMomentum*theFermiMomentum + mn*mn) - mn;
77 fermiEnergy[Neutron] = theNeutronFermiEn 77 fermiEnergy[Neutron] = theNeutronFermiEnergy;
78 78
79 fermiEnergy[DeltaPlusPlus] = fermiEnergy 79 fermiEnergy[DeltaPlusPlus] = fermiEnergy.find(Proton)->second;
80 fermiEnergy[DeltaPlus] = fermiEnergy.fin 80 fermiEnergy[DeltaPlus] = fermiEnergy.find(Proton)->second;
81 fermiEnergy[DeltaZero] = fermiEnergy.fin 81 fermiEnergy[DeltaZero] = fermiEnergy.find(Neutron)->second;
82 fermiEnergy[DeltaMinus] = fermiEnergy.fi 82 fermiEnergy[DeltaMinus] = fermiEnergy.find(Neutron)->second;
83 83
84 fermiEnergy[SigmaPlus] = fermiEnergy.fin 84 fermiEnergy[SigmaPlus] = fermiEnergy.find(Proton)->second;
85 fermiEnergy[SigmaZero] = fermiEnergy.fin 85 fermiEnergy[SigmaZero] = fermiEnergy.find(Proton)->second;
86 fermiEnergy[SigmaMinus] = fermiEnergy.fi 86 fermiEnergy[SigmaMinus] = fermiEnergy.find(Proton)->second;
87 87
88 fermiEnergy[Lambda] = fermiEnergy.find(N 88 fermiEnergy[Lambda] = fermiEnergy.find(Neutron)->second;
89 89
90 90
91 const G4double theAverageSeparationEnerg 91 const G4double theAverageSeparationEnergy = 0.5*(ParticleTable::getSeparationEnergy(Proton,theA,theZ)+ParticleTable::getSeparationEnergy(Neutron,theA,theZ));
92 separationEnergy[Proton] = theAverageSep 92 separationEnergy[Proton] = theAverageSeparationEnergy;
93 separationEnergy[Neutron] = theAverageSe 93 separationEnergy[Neutron] = theAverageSeparationEnergy;
94 94
95 // Use separation energies from the Part 95 // Use separation energies from the ParticleTable
96 vNucleon = 0.5*(theProtonFermiEnergy + t 96 vNucleon = 0.5*(theProtonFermiEnergy + theNeutronFermiEnergy) + theAverageSeparationEnergy;
97 vDelta = vNucleon; 97 vDelta = vNucleon;
98 vSigma = -16.; // Caution: repulsive pot 98 vSigma = -16.; // Caution: repulsive potential for Sigmas
99 vLambda = 28.; 99 vLambda = 28.;
100 separationEnergy[DeltaPlusPlus] = vDelta 100 separationEnergy[DeltaPlusPlus] = vDelta - fermiEnergy.find(DeltaPlusPlus)->second;
101 separationEnergy[DeltaPlus] = vDelta - f 101 separationEnergy[DeltaPlus] = vDelta - fermiEnergy.find(DeltaPlus)->second;
102 separationEnergy[DeltaZero] = vDelta - f 102 separationEnergy[DeltaZero] = vDelta - fermiEnergy.find(DeltaZero)->second;
103 separationEnergy[DeltaMinus] = vDelta - 103 separationEnergy[DeltaMinus] = vDelta - fermiEnergy.find(DeltaMinus)->second;
104 104
105 separationEnergy[PiPlus] = 0.; 105 separationEnergy[PiPlus] = 0.;
106 separationEnergy[PiZero] = 0.; 106 separationEnergy[PiZero] = 0.;
107 separationEnergy[PiMinus] = 0.; 107 separationEnergy[PiMinus] = 0.;
108 108
109 separationEnergy[Eta] = 0.; 109 separationEnergy[Eta] = 0.;
110 separationEnergy[Omega] = 0.; 110 separationEnergy[Omega] = 0.;
111 separationEnergy[EtaPrime] = 0.; 111 separationEnergy[EtaPrime] = 0.;
112 separationEnergy[Photon] = 0.; 112 separationEnergy[Photon] = 0.;
113 113
114 separationEnergy[Lambda] = 0.; 114 separationEnergy[Lambda] = 0.;
115 separationEnergy[SigmaPlus] = 0.; 115 separationEnergy[SigmaPlus] = 0.;
116 separationEnergy[SigmaZero] = 0.; 116 separationEnergy[SigmaZero] = 0.;
117 separationEnergy[SigmaMinus] = 0.; 117 separationEnergy[SigmaMinus] = 0.;
118 separationEnergy[KPlus] = 0.; 118 separationEnergy[KPlus] = 0.;
119 separationEnergy[KZero] = 0.; 119 separationEnergy[KZero] = 0.;
120 separationEnergy[KZeroBar] = 0.; 120 separationEnergy[KZeroBar] = 0.;
121 separationEnergy[KMinus] = 0.; 121 separationEnergy[KMinus] = 0.;
122 separationEnergy[KShort] = 0.; 122 separationEnergy[KShort] = 0.;
123 separationEnergy[KLong] = 0.; 123 separationEnergy[KLong] = 0.;
124 124
125 INCL_DEBUG("Table of separation energies 125 INCL_DEBUG("Table of separation energies [MeV] for A=" << theA << ", Z=" << theZ << ":" << '\n'
126 << " proton: " << separationEner 126 << " proton: " << separationEnergy[Proton] << '\n'
127 << " neutron: " << separationEner 127 << " neutron: " << separationEnergy[Neutron] << '\n'
128 << " delta++: " << separationEner 128 << " delta++: " << separationEnergy[DeltaPlusPlus] << '\n'
129 << " delta+: " << separationEner 129 << " delta+: " << separationEnergy[DeltaPlus] << '\n'
130 << " delta0: " << separationEner 130 << " delta0: " << separationEnergy[DeltaZero] << '\n'
131 << " delta-: " << separationEner 131 << " delta-: " << separationEnergy[DeltaMinus] << '\n'
132 << " pi+: " << separationEner 132 << " pi+: " << separationEnergy[PiPlus] << '\n'
133 << " pi0: " << separationEner 133 << " pi0: " << separationEnergy[PiZero] << '\n'
134 << " pi-: " << separationEnergy[PiM 134 << " pi-: " << separationEnergy[PiMinus] << '\n'
135 << " eta: " << separationEnergy[Eta 135 << " eta: " << separationEnergy[Eta] << '\n'
136 << " omega: " << separationEnergy[Ome 136 << " omega: " << separationEnergy[Omega] << '\n'
137 << " etaprime:" << separationEnergy[Eta 137 << " etaprime:" << separationEnergy[EtaPrime] << '\n'
138 << " photon: " << separationEnergy[Pho 138 << " photon: " << separationEnergy[Photon] << '\n'
139 << " lambda: " << separationEner 139 << " lambda: " << separationEnergy[Lambda] << '\n'
140 << " sigmaplus: " << separationE 140 << " sigmaplus: " << separationEnergy[SigmaPlus] << '\n'
141 << " sigmazero: " << separationE 141 << " sigmazero: " << separationEnergy[SigmaZero] << '\n'
142 << " sigmaminus: " << separation 142 << " sigmaminus: " << separationEnergy[SigmaMinus] << '\n'
143 << " kplus: " << separationEnerg 143 << " kplus: " << separationEnergy[KPlus] << '\n'
144 << " kzero: " << separationEnerg 144 << " kzero: " << separationEnergy[KZero] << '\n'
145 << " kzerobar: " << separationEn 145 << " kzerobar: " << separationEnergy[KZeroBar] << '\n'
146 << " kminus: " << separationEner 146 << " kminus: " << separationEnergy[KMinus] << '\n'
147 << " kshort: " << separationEner 147 << " kshort: " << separationEnergy[KShort] << '\n'
148 << " klong: " << separationEnerg 148 << " klong: " << separationEnergy[KLong] << '\n'
149 ); 149 );
150 150
151 INCL_DEBUG("Table of Fermi energies [MeV 151 INCL_DEBUG("Table of Fermi energies [MeV] for A=" << theA << ", Z=" << theZ << ":" << '\n'
152 << " proton: " << fermiEnergy[Pr 152 << " proton: " << fermiEnergy[Proton] << '\n'
153 << " neutron: " << fermiEnergy[Ne 153 << " neutron: " << fermiEnergy[Neutron] << '\n'
154 << " delta++: " << fermiEnergy[De 154 << " delta++: " << fermiEnergy[DeltaPlusPlus] << '\n'
155 << " delta+: " << fermiEnergy[De 155 << " delta+: " << fermiEnergy[DeltaPlus] << '\n'
156 << " delta0: " << fermiEnergy[De 156 << " delta0: " << fermiEnergy[DeltaZero] << '\n'
157 << " delta-: " << fermiEnergy[De 157 << " delta-: " << fermiEnergy[DeltaMinus] << '\n'
158 << " lambda: " << fermiEnergy[La 158 << " lambda: " << fermiEnergy[Lambda] << '\n'
159 << " sigmaplus: " << fermiEnergy 159 << " sigmaplus: " << fermiEnergy[SigmaPlus] << '\n'
160 << " sigmazero: " << fermiEnergy 160 << " sigmazero: " << fermiEnergy[SigmaZero] << '\n'
161 << " sigmaminus: " << fermiEnerg 161 << " sigmaminus: " << fermiEnergy[SigmaMinus] << '\n'
162 ); 162 );
163 163
164 INCL_DEBUG("Table of Fermi momenta [MeV/ 164 INCL_DEBUG("Table of Fermi momenta [MeV/c] for A=" << theA << ", Z=" << theZ << ":" << '\n'
165 << " proton: " << fermiMomentum[ 165 << " proton: " << fermiMomentum[Proton] << '\n'
166 << " neutron: " << fermiMomentum[ 166 << " neutron: " << fermiMomentum[Neutron] << '\n'
167 ); 167 );
168 } 168 }
169 169
170 G4double NuclearPotentialConstant::compute 170 G4double NuclearPotentialConstant::computePotentialEnergy(const Particle *particle) const {
171 171
172 switch( particle->getType() ) 172 switch( particle->getType() )
173 { 173 {
174 case Proton: 174 case Proton:
175 case Neutron: 175 case Neutron:
176 return vNucleon; 176 return vNucleon;
177 break; 177 break;
178 178
179 case PiPlus: 179 case PiPlus:
180 case PiZero: 180 case PiZero:
181 case PiMinus: 181 case PiMinus:
182 return computePionPotentialEnergy(pa 182 return computePionPotentialEnergy(particle);
183 break; 183 break;
184 184
185 case Eta: 185 case Eta:
186 case Omega: 186 case Omega:
187 case EtaPrime: 187 case EtaPrime:
188 return computePionResonancePotential 188 return computePionResonancePotentialEnergy(particle);
189 break; 189 break;
190 190
191 case SigmaPlus: 191 case SigmaPlus:
192 case SigmaZero: 192 case SigmaZero:
193 case SigmaMinus: 193 case SigmaMinus:
194 return vSigma; 194 return vSigma;
195 break; 195 break;
196 case Lambda: 196 case Lambda:
197 return vLambda; 197 return vLambda;
198 break; 198 break;
199 199
200 case KPlus: 200 case KPlus:
201 case KZero: 201 case KZero:
202 case KZeroBar: 202 case KZeroBar:
203 case KMinus: 203 case KMinus:
204 return computeKaonPotentialEnergy(pa 204 return computeKaonPotentialEnergy(particle);
205 break; 205 break;
206 206
207 case Photon: 207 case Photon:
208 return 0.0; 208 return 0.0;
209 break; 209 break;
210 210
211 case DeltaPlusPlus: 211 case DeltaPlusPlus:
212 case DeltaPlus: 212 case DeltaPlus:
213 case DeltaZero: 213 case DeltaZero:
214 case DeltaMinus: 214 case DeltaMinus:
215 return vDelta; 215 return vDelta;
216 break; 216 break;
217 case UnknownParticle: 217 case UnknownParticle:
218 INCL_ERROR("Trying to compute potent 218 INCL_ERROR("Trying to compute potential energy of an unknown particle.");
219 return 0.0; 219 return 0.0;
220 break; 220 break;
221 default: 221 default:
222 INCL_ERROR("Trying to compute potent 222 INCL_ERROR("Trying to compute potential energy of a malformed particle.");
223 return 0.0; 223 return 0.0;
224 break; 224 break;
225 } 225 }
226 } 226 }
227 227
228 } 228 }
229 } 229 }
230 230
231 231