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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 #include "G4INCLDecayAvatar.hh" 38 #include "G4INCLDecayAvatar.hh"
39 39
40 #include "G4INCLDeltaDecayChannel.hh" 40 #include "G4INCLDeltaDecayChannel.hh"
41 #include "G4INCLPionResonanceDecayChannel.hh" 41 #include "G4INCLPionResonanceDecayChannel.hh"
42 #include "G4INCLSigmaZeroDecayChannel.hh" 42 #include "G4INCLSigmaZeroDecayChannel.hh"
43 #include "G4INCLNeutralKaonDecayChannel.hh" 43 #include "G4INCLNeutralKaonDecayChannel.hh"
44 #include "G4INCLStrangeAbsorbtionChannel.hh" 44 #include "G4INCLStrangeAbsorbtionChannel.hh"
45 #include "G4INCLPauliBlocking.hh" 45 #include "G4INCLPauliBlocking.hh"
46 #include <sstream> 46 #include <sstream>
47 #include <string> 47 #include <string>
48 // #include <cassert> 48 // #include <cassert>
49 49
50 namespace G4INCL { 50 namespace G4INCL {
51 51
52 DecayAvatar::DecayAvatar(G4INCL::Particle *a 52 DecayAvatar::DecayAvatar(G4INCL::Particle *aParticle, G4double time, G4INCL::Nucleus *n, G4bool force)
53 : InteractionAvatar(time, n, aParticle), f 53 : InteractionAvatar(time, n, aParticle), forced(force),
54 incidentDirection(aParticle->getMomentum 54 incidentDirection(aParticle->getMomentum())
55 { 55 {
56 setType(DecayAvatarType); 56 setType(DecayAvatarType);
57 } 57 }
58 58
59 DecayAvatar::DecayAvatar(G4INCL::Particle *a 59 DecayAvatar::DecayAvatar(G4INCL::Particle *aParticle, G4INCL::Particle *bParticle, G4double time, G4INCL::Nucleus *n, G4bool force)
60 : InteractionAvatar(time, n, aParticle, bP 60 : InteractionAvatar(time, n, aParticle, bParticle), forced(force),
61 incidentDirection(aParticle->getMomentum 61 incidentDirection(aParticle->getMomentum())
62 { 62 {
63 setType(DecayAvatarType); 63 setType(DecayAvatarType);
64 } 64 }
65 65
66 DecayAvatar::~DecayAvatar() { 66 DecayAvatar::~DecayAvatar() {
67 67
68 } 68 }
69 69
70 G4INCL::IChannel* DecayAvatar::getChannel() 70 G4INCL::IChannel* DecayAvatar::getChannel() {
71 if(!particle2){ 71 if(!particle2){
72 if(particle1->isDelta()) { 72 if(particle1->isDelta()) {
73 INCL_DEBUG("DeltaDecayChannel chosen. 73 INCL_DEBUG("DeltaDecayChannel chosen." << '\n');
74 return new DeltaDecayChannel(particle 74 return new DeltaDecayChannel(particle1, incidentDirection);
75 } 75 }
76 else if(particle1->isEta() || particle1 76 else if(particle1->isEta() || particle1->isOmega()) {
77 INCL_DEBUG("PionResonanceDecayChannel 77 INCL_DEBUG("PionResonanceDecayChannel chosen." << '\n');
78 return new PionResonanceDecayChannel( 78 return new PionResonanceDecayChannel(particle1, incidentDirection);
79 } 79 }
80 else if(particle1->getType() == SigmaZe 80 else if(particle1->getType() == SigmaZero) {
81 INCL_DEBUG("SigmaZeroDecayChannel cho 81 INCL_DEBUG("SigmaZeroDecayChannel chosen." << '\n');
82 return new SigmaZeroDecayChannel(part 82 return new SigmaZeroDecayChannel(particle1, incidentDirection);
83 } 83 }
84 else if(particle1->getType() == KZero | 84 else if(particle1->getType() == KZero || particle1->getType() == KZeroBar) {
85 INCL_DEBUG("NeutralKaonDecayChannel c 85 INCL_DEBUG("NeutralKaonDecayChannel chosen." << '\n');
86 return new NeutralKaonDecayChannel(pa 86 return new NeutralKaonDecayChannel(particle1);
87 } 87 }
88 } 88 }
89 else if(((particle1->isAntiKaon() || parti 89 else if(((particle1->isAntiKaon() || particle1->isSigma()) && particle2->isNucleon()) || ((particle2->isAntiKaon() || particle2->isSigma()) && particle1->isNucleon())){
90 INCL_DEBUG("StrangeAbsorbtion." << '\n') 90 INCL_DEBUG("StrangeAbsorbtion." << '\n');
91 return new StrangeAbsorbtionChannel(part 91 return new StrangeAbsorbtionChannel(particle1, particle2);
92 } 92 }
93 return NULL; 93 return NULL;
94 } 94 }
95 95
96 void DecayAvatar::preInteraction() { 96 void DecayAvatar::preInteraction() {
97 InteractionAvatar::preInteraction(); 97 InteractionAvatar::preInteraction();
98 } 98 }
99 99
100 void DecayAvatar::postInteraction(FinalState 100 void DecayAvatar::postInteraction(FinalState *fs) {
101 // Make sure we have at least two particle 101 // Make sure we have at least two particles in the final state
102 // Removed because of neutral kaon decay 102 // Removed because of neutral kaon decay
103 103
104 // assert((fs->getModifiedParticles().size() + 104 // assert((fs->getModifiedParticles().size() + fs->getCreatedParticles().size() - fs->getDestroyedParticles().size() >= 2) || ((*fs->getModifiedParticles().begin())->getType() == KShort || (*fs->getModifiedParticles().begin())->getType() == KLong ));
105 //assert((fs->getModifiedParticles().size( 105 //assert((fs->getModifiedParticles().size() + fs->getCreatedParticles().size() - fs->getDestroyedParticles().size() >= 1));
106 if(!forced) { // Normal decay 106 if(!forced) { // Normal decay
107 // Call the postInteraction method of th 107 // Call the postInteraction method of the parent class
108 // (provides Pauli blocking and enforces 108 // (provides Pauli blocking and enforces energy conservation)
109 InteractionAvatar::postInteraction(fs); 109 InteractionAvatar::postInteraction(fs);
110 110
111 if(fs->getValidity() == PauliBlockedFS) 111 if(fs->getValidity() == PauliBlockedFS)
112 /* If the decay was Pauli-blocked, mak 112 /* If the decay was Pauli-blocked, make sure the propagation model
113 * generates a new decay avatar on the 113 * generates a new decay avatar on the next call to propagate().
114 * 114 *
115 * \bug{Note that we don't generate ne 115 * \bug{Note that we don't generate new decay avatars for deltas that
116 * could not satisfy energy conservati 116 * could not satisfy energy conservation. This is in keeping with
117 * INCL4.6, but doesn't seem to make m 117 * INCL4.6, but doesn't seem to make much sense to me (DM), as energy
118 * conservation can be impossible to s 118 * conservation can be impossible to satisfy due to weird local-energy
119 * conditions, for example, that evolv 119 * conditions, for example, that evolve with time.}
120 */ 120 */
121 fs->addModifiedParticle(particle1); 121 fs->addModifiedParticle(particle1);
122 } else { // Forced decay 122 } else { // Forced decay
123 modified = fs->getModifiedParticles(); 123 modified = fs->getModifiedParticles();
124 created = fs->getCreatedParticles(); 124 created = fs->getCreatedParticles();
125 Destroyed = fs->getDestroyedParticles(); 125 Destroyed = fs->getDestroyedParticles();
126 modifiedAndCreated = modified; 126 modifiedAndCreated = modified;
127 modifiedAndCreated.insert(modifiedAndCre 127 modifiedAndCreated.insert(modifiedAndCreated.end(), created.begin(), created.end());
128 ModifiedAndDestroyed = modified; 128 ModifiedAndDestroyed = modified;
129 ModifiedAndDestroyed.insert(ModifiedAndD 129 ModifiedAndDestroyed.insert(ModifiedAndDestroyed.end(), Destroyed.begin(), Destroyed.end());
130 130
131 std::vector<G4int> newBiasCollisionVecto 131 std::vector<G4int> newBiasCollisionVector;
132 newBiasCollisionVector = ModifiedAndDest 132 newBiasCollisionVector = ModifiedAndDestroyed.getParticleListBiasVector();
133 for(ParticleIter i=modifiedAndCreated.be 133 for(ParticleIter i=modifiedAndCreated.begin(), e=modifiedAndCreated.end(); i!=e; ++i ) {
134 (*i)->setBiasCollisionVector(newBiasColl 134 (*i)->setBiasCollisionVector(newBiasCollisionVector);
135 } 135 }
136 // Try to enforce energy conservation 136 // Try to enforce energy conservation
137 fs->setTotalEnergyBeforeInteraction(oldT 137 fs->setTotalEnergyBeforeInteraction(oldTotalEnergy);
138 const G4bool success = enforceEnergyCons 138 const G4bool success = enforceEnergyConservation(fs);
139 if(!success) { 139 if(!success) {
140 INCL_DEBUG("Enforcing energy conservat 140 INCL_DEBUG("Enforcing energy conservation: failed!" << '\n');
141 141
142 if(theNucleus) { 142 if(theNucleus) {
143 // Restore the state of the initial 143 // Restore the state of the initial particles
144 restoreParticles(); 144 restoreParticles();
145 145
146 // Delete newly created particles 146 // Delete newly created particles
147 for(ParticleIter i=created.begin(), 147 for(ParticleIter i=created.begin(), e=created.end(); i!=e; ++i )
148 delete *i; 148 delete *i;
149 149
150 fs->reset(); 150 fs->reset();
151 fs->makeNoEnergyConservation(); 151 fs->makeNoEnergyConservation();
152 fs->setTotalEnergyBeforeInteraction( 152 fs->setTotalEnergyBeforeInteraction(0.0);
153 153
154 return; // Interaction is blocked. R 154 return; // Interaction is blocked. Return an empty final state.
155 } else { 155 } else {
156 // If there is no nucleus we have to 156 // If there is no nucleus we have to continue anyway, even if energy
157 // conservation failed. We cannot af 157 // conservation failed. We cannot afford producing unphysical
158 // remnants. 158 // remnants.
159 INCL_DEBUG("No nucleus, continuing a 159 INCL_DEBUG("No nucleus, continuing anyway." << '\n');
160 } 160 }
161 } else { 161 } else {
162 INCL_DEBUG("Enforcing energy conservat 162 INCL_DEBUG("Enforcing energy conservation: success!" << '\n');
163 } 163 }
164 164
165 if(theNucleus) { 165 if(theNucleus) {
166 // Test CDPP blocking 166 // Test CDPP blocking
167 G4bool isCDPPBlocked = Pauli::isCDPPBl 167 G4bool isCDPPBlocked = Pauli::isCDPPBlocked(created, theNucleus);
168 168
169 if(isCDPPBlocked) { 169 if(isCDPPBlocked) {
170 INCL_DEBUG("CDPP: Blocked!" << '\n') 170 INCL_DEBUG("CDPP: Blocked!" << '\n');
171 171
172 // Restore the state of both particl 172 // Restore the state of both particles
173 restoreParticles(); 173 restoreParticles();
174 174
175 // Delete newly created particles 175 // Delete newly created particles
176 for(ParticleIter i=created.begin(), 176 for(ParticleIter i=created.begin(), e=created.end(); i!=e; ++i )
177 delete *i; 177 delete *i;
178 178
179 fs->reset(); 179 fs->reset();
180 fs->makePauliBlocked(); 180 fs->makePauliBlocked();
181 fs->setTotalEnergyBeforeInteraction( 181 fs->setTotalEnergyBeforeInteraction(0.0);
182 182
183 return; // Interaction is blocked. R 183 return; // Interaction is blocked. Return an empty final state.
184 } 184 }
185 INCL_DEBUG("CDPP: Allowed!" << '\n'); 185 INCL_DEBUG("CDPP: Allowed!" << '\n');
186 186
187 } 187 }
188 } 188 }
189 // If there is a nucleus, increment the co 189 // If there is a nucleus, increment the counters
190 if(theNucleus) { 190 if(theNucleus) {
191 switch(fs->getValidity()) { 191 switch(fs->getValidity()) {
192 case PauliBlockedFS: 192 case PauliBlockedFS:
193 theNucleus->getStore()->getBook().in 193 theNucleus->getStore()->getBook().incrementBlockedDecays();
194 break; 194 break;
195 case NoEnergyConservationFS: 195 case NoEnergyConservationFS:
196 case ParticleBelowFermiFS: 196 case ParticleBelowFermiFS:
197 case ParticleBelowZeroFS: 197 case ParticleBelowZeroFS:
198 break; 198 break;
199 case ValidFS: 199 case ValidFS:
200 theNucleus->getStore()->getBook().in 200 theNucleus->getStore()->getBook().incrementAcceptedDecays();
201 } 201 }
202 } 202 }
203 203
204 return; 204 return;
205 } 205 }
206 206
207 std::string DecayAvatar::dump() const { 207 std::string DecayAvatar::dump() const {
208 std::stringstream ss; 208 std::stringstream ss;
209 ss << "(avatar " << theTime << " 'decay" < 209 ss << "(avatar " << theTime << " 'decay" << '\n'
210 << "(list " << '\n' 210 << "(list " << '\n'
211 << particle1->dump() 211 << particle1->dump()
212 << "))" << '\n'; 212 << "))" << '\n';
213 return ss.str(); 213 return ss.str();
214 } 214 }
215 } 215 }
216 216