| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
>> 26 // $Id: G4Scatterer.cc,v 1.16 2010-03-12 15:45:18 gunter Exp $ //
26 // 27 //
27 28
28 #include <vector> <<
29 <<
30 #include "globals.hh" 29 #include "globals.hh"
31 #include "G4PhysicalConstants.hh" << 30 #include <vector>
32 #include "G4SystemOfUnits.hh" <<
33 #include "G4ios.hh" 31 #include "G4ios.hh"
34 #include "G4Scatterer.hh" 32 #include "G4Scatterer.hh"
35 #include "G4KineticTrack.hh" 33 #include "G4KineticTrack.hh"
36 #include "G4ThreeVector.hh" 34 #include "G4ThreeVector.hh"
37 #include "G4LorentzRotation.hh" 35 #include "G4LorentzRotation.hh"
38 #include "G4LorentzVector.hh" 36 #include "G4LorentzVector.hh"
39 37
40 #include "G4CollisionNN.hh" 38 #include "G4CollisionNN.hh"
41 #include "G4CollisionPN.hh" 39 #include "G4CollisionPN.hh"
42 #include "G4CollisionMesonBaryon.hh" 40 #include "G4CollisionMesonBaryon.hh"
43 41
44 #include "G4CollisionInitialState.hh" 42 #include "G4CollisionInitialState.hh"
45 #include "G4HadTmpUtil.hh" 43 #include "G4HadTmpUtil.hh"
46 #include "G4Pair.hh" 44 #include "G4Pair.hh"
47 #include "G4AutoLock.hh" <<
48 45
49 //Mutex for control of shared resource <<
50 namespace { <<
51 G4Mutex collisions_mutex = G4MUTEX_INITIAL <<
52 G4bool setupDone = false; <<
53 } <<
54 46
55 // Declare the categories of collisions the Sc 47 // Declare the categories of collisions the Scatterer can handle
56 typedef GROUP2(G4CollisionNN, G4CollisionMeson 48 typedef GROUP2(G4CollisionNN, G4CollisionMesonBaryon) theChannels;
57 49
58 G4CollisionVector G4Scatterer::collisions; <<
59 <<
60 //-------------------------------------------- <<
61 50
62 G4Scatterer::G4Scatterer() 51 G4Scatterer::G4Scatterer()
63 { 52 {
64 G4AutoLock l(&collisions_mutex); << 53 Register aR;
65 if ( ! setupDone ) << 54 G4ForEach<theChannels>::Apply(&aR, &collisions);
66 { <<
67 Register aR; <<
68 G4ForEach<theChannels>::Apply(&aR, &coll <<
69 setupDone = true; <<
70 } <<
71 } 55 }
72 56
73 //-------------------------------------------- <<
74 57
75 G4Scatterer::~G4Scatterer() 58 G4Scatterer::~G4Scatterer()
76 { 59 {
77 G4AutoLock l(&collisions_mutex); <<
78 std::for_each(collisions.begin(), collisions 60 std::for_each(collisions.begin(), collisions.end(), G4Delete());
79 collisions.clear(); 61 collisions.clear();
80 } 62 }
81 63
82 //-------------------------------------------- << 64 G4double G4Scatterer::GetTimeToInteraction(const G4KineticTrack& trk1,
83 << 65 const G4KineticTrack& trk2)
84 G4double G4Scatterer::GetTimeToInteraction(con <<
85 const G4KineticTrack& trk2) const <<
86 { 66 {
87 G4double time = DBL_MAX; 67 G4double time = DBL_MAX;
88 G4double distance_fast; 68 G4double distance_fast;
89 G4LorentzVector mom1 = trk1.GetTrackingMomen 69 G4LorentzVector mom1 = trk1.GetTrackingMomentum();
90 // G4cout << "zcomp=" << std::abs(mom1.vect() 70 // G4cout << "zcomp=" << std::abs(mom1.vect().unit().z() -1 ) << G4endl;
91 G4double collisionTime; 71 G4double collisionTime;
92 << 72
93 if ( std::abs(mom1.vect().unit().z() -1 ) < << 73 if ( std::abs(mom1.vect().unit().z() -1 ) < 1e-6 )
94 { 74 {
95 G4ThreeVector position = trk2.GetPosition 75 G4ThreeVector position = trk2.GetPosition() - trk1.GetPosition();
96 G4double deltaz=position.z(); 76 G4double deltaz=position.z();
97 G4double velocity = mom1.z()/mom1.e() * c 77 G4double velocity = mom1.z()/mom1.e() * c_light;
98 << 78
99 collisionTime=deltaz/velocity; 79 collisionTime=deltaz/velocity;
100 distance_fast=position.x()*position.x() + 80 distance_fast=position.x()*position.x() + position.y()*position.y();
101 } else { 81 } else {
102 << 82
103 // The nucleons of the nucleus are FROZEN 83 // The nucleons of the nucleus are FROZEN, ie. do not move..
104 84
105 G4ThreeVector position = trk2.GetPosition( << 85 G4ThreeVector position = trk2.GetPosition() - trk1.GetPosition();
106 86
107 G4ThreeVector velocity = mom1.vect()/mom1. 87 G4ThreeVector velocity = mom1.vect()/mom1.e() * c_light; // mom1.boostVector() will exit on slightly negative mass
108 collisionTime = (position * velocity) / ve 88 collisionTime = (position * velocity) / velocity.mag2(); // can't divide by /c_light;
109 position -= velocity * collisionTime; 89 position -= velocity * collisionTime;
110 distance_fast=position.mag2(); 90 distance_fast=position.mag2();
111 << 91
112 // if ( collisionTime>0 ) G4cout << " dis1/ 92 // if ( collisionTime>0 ) G4cout << " dis1/2 square" << dis1 <<" "<< dis2 << G4endl;
113 // collisionTime = GetTimeToClosestApproac 93 // collisionTime = GetTimeToClosestApproach(trk1,trk2);
114 } 94 }
115 if (collisionTime > 0) 95 if (collisionTime > 0)
116 { << 96 {
117 static const G4double maxCrossSection = 5 97 static const G4double maxCrossSection = 500*millibarn;
118 if(0.7*pi*distance_fast>maxCrossSection) 98 if(0.7*pi*distance_fast>maxCrossSection) return time;
119 99
120 << 100
121 G4LorentzVector mom2(0,0,0,trk2.Get 101 G4LorentzVector mom2(0,0,0,trk2.Get4Momentum().mag());
122 102
123 // G4ThreeVector momLab = mom1.vect();// f 103 // G4ThreeVector momLab = mom1.vect();// frozen Nucleus - mom2.vect();
124 // G4ThreeVector posLab = trk1.GetPosition 104 // G4ThreeVector posLab = trk1.GetPosition() - trk2.GetPosition();
125 // G4double disLab=posLab * posLab - (posL 105 // G4double disLab=posLab * posLab - (posLab*momLab) * (posLab*momLab) /(momLab.mag2());
126 106
127 G4LorentzRotation toCMSFrame((-1)*(mom1 + 107 G4LorentzRotation toCMSFrame((-1)*(mom1 + mom2).boostVector());
128 mom1 = toCMSFrame * mom1; 108 mom1 = toCMSFrame * mom1;
129 mom2 = toCMSFrame * mom2; 109 mom2 = toCMSFrame * mom2;
130 110
131 G4LorentzVector coordinate1(trk1.GetPosit 111 G4LorentzVector coordinate1(trk1.GetPosition(), 100.);
132 G4LorentzVector coordinate2(trk2.GetPosit 112 G4LorentzVector coordinate2(trk2.GetPosition(), 100.);
133 G4ThreeVector pos = ((toCMSFrame * coordi << 113 G4ThreeVector pos = ((toCMSFrame * coordinate1).vect() -
134 (toCMSFrame * coordinate2).vect()); 114 (toCMSFrame * coordinate2).vect());
135 115
136 G4ThreeVector mom = mom1.vect() - mom2.ve 116 G4ThreeVector mom = mom1.vect() - mom2.vect();
137 117
138 // Calculate the impact parameter 118 // Calculate the impact parameter
139 119
140 G4double distance = pos * pos - (pos*mom) 120 G4double distance = pos * pos - (pos*mom) * (pos*mom) / (mom.mag2());
141 121
142 // G4cout << " disDiff " << distance-disLa << 122 // G4cout << " disDiff " << distance-disLab << " " << disLab
143 // << " " << std::abs(distance-disL 123 // << " " << std::abs(distance-disLab)/distance << G4endl
144 // << " mom/Lab " << mom << " " << momLab 124 // << " mom/Lab " << mom << " " << momLab << G4endl
145 // << " pos/Lab " << pos << " " << posLab << 125 // << " pos/Lab " << pos << " " << posLab
146 // << G4endl; 126 // << G4endl;
147 127
148 if(pi*distance>maxCrossSection) return ti 128 if(pi*distance>maxCrossSection) return time;
149 << 129
150 // charged particles special 130 // charged particles special
151 static const G4double maxChargedCrossSect 131 static const G4double maxChargedCrossSection = 200*millibarn;
152 if(std::abs(trk1.GetDefinition()->GetPDGC << 132 if(std::abs(trk1.GetDefinition()->GetPDGCharge())>0.1 &&
153 std::abs(trk2.GetDefinition()->GetPDGC 133 std::abs(trk2.GetDefinition()->GetPDGCharge())>0.1 &&
154 pi*distance>maxChargedCrossSection) re 134 pi*distance>maxChargedCrossSection) return time;
155 << 135
156 G4double sqrtS = (trk1.Get4Momentum 136 G4double sqrtS = (trk1.Get4Momentum() + trk2.Get4Momentum()).mag();
157 // neutrons special pn is largest cross- << 137 // neutrons special
158 if(( trk1.GetDefinition() == G4Neutron::N 138 if(( trk1.GetDefinition() == G4Neutron::Neutron() ||
159 trk2.GetDefinition() == G4Neutron::N << 139 trk1.GetDefinition() == G4Neutron::Neutron() ) &&
160 sqrtS>1.91*GeV && pi*distance>maxChar << 140 sqrtS>1.91*GeV && pi*distance>maxChargedCrossSection) return time;
161 141
162 /* 142 /*
163 * if(distance <= sqr(1.14*fermi)) 143 * if(distance <= sqr(1.14*fermi))
164 * { 144 * {
165 * time = collisionTime; 145 * time = collisionTime;
166 * << 146 *
167 * * 147 * *
168 * * G4cout << "Scatter distance/time: 148 * * G4cout << "Scatter distance/time: " << std::sqrt(distance)/fermi <<
169 * * " / "<< time/ns << G4endl; 149 * * " / "<< time/ns << G4endl;
170 * * G4ThreeVector pos1=trk1.GetPosit << 150 * * G4ThreeVector pos1=trk1.GetPosition();
171 * * G4ThreeVector pos2=trk2.GetPosit 151 * * G4ThreeVector pos2=trk2.GetPosition();
172 * * G4LorentzVector xmom1 = trk1.Get 152 * * G4LorentzVector xmom1 = trk1.Get4Momentum();
173 * * G4LorentzVector xmom2 = trk2.Get << 153 * * G4LorentzVector xmom2 = trk2.Get4Momentum();
174 * * G4cout << "position1: " << pos1 154 * * G4cout << "position1: " << pos1.x() << " " << pos1.y() << " "
175 * * << pos1.z(); << 155 * * << pos1.z();
176 * * pos1+=(collisionTime*c_light/xmo 156 * * pos1+=(collisionTime*c_light/xmom1.e())*xmom1.vect();
177 * * G4cout << " straight line trprt: 157 * * G4cout << " straight line trprt: "
178 * * << pos1.x() << " " << pos1. 158 * * << pos1.x() << " " << pos1.y() << " "
179 * * << pos1.z() << G4endl; 159 * * << pos1.z() << G4endl;
180 * * G4cout << "position2: " << pos2 160 * * G4cout << "position2: " << pos2.x() << " " << pos2.y() << " "
181 * * << pos2.z() << G4endl; 161 * * << pos2.z() << G4endl;
182 * * G4cout << "straight line distanc 162 * * G4cout << "straight line distance 2 fixed:" << (pos1-pos2).mag()/fermi << G4endl;
183 * * pos2+= (collisionTime*c_light/xm 163 * * pos2+= (collisionTime*c_light/xmom2.e())*xmom2.vect();
184 * * G4cout<< " straight line trprt: 164 * * G4cout<< " straight line trprt: "
185 * * << pos2.x() << " " << pos2. 165 * * << pos2.x() << " " << pos2.y() << " "
186 * * << pos2.z() << G4endl; 166 * * << pos2.z() << G4endl;
187 * * G4cout << "straight line distanc 167 * * G4cout << "straight line distance :" << (pos1-pos2).mag()/fermi << G4endl;
188 * * 168 * *
189 * } 169 * }
190 * << 170 *
191 * if(1) 171 * if(1)
192 * return time; 172 * return time;
193 */ 173 */
194 << 174
195 if ((trk1.GetActualMass()+trk2.GetActualM 175 if ((trk1.GetActualMass()+trk2.GetActualMass()) > sqrtS) return time;
196 176
197 << 177
198 << 178
199 const G4VCollision* collision = FindCollis << 179 G4VCollision* collision = FindCollision(trk1,trk2);
200 G4double totalCrossSection; 180 G4double totalCrossSection;
201 // The cross section is interpreted geomet 181 // The cross section is interpreted geometrically as an area
202 // Two particles are assumed to collide if 182 // Two particles are assumed to collide if their distance is < (totalCrossSection/pi)
203 183
204 if (collision != 0) 184 if (collision != 0)
205 { 185 {
206 totalCrossSection = collision->CrossSe 186 totalCrossSection = collision->CrossSection(trk1,trk2);
207 if ( totalCrossSection > 0 ) 187 if ( totalCrossSection > 0 )
208 { 188 {
209 /* G4cout << " totalCrossection = "<< t 189 /* G4cout << " totalCrossection = "<< totalCrossSection << ", trk1/2, s, e-m: "
210 * << trk1.GetDefinition()->GetP 190 * << trk1.GetDefinition()->GetParticleName()
211 * << " / " 191 * << " / "
212 * << trk2.GetDefinition()->GetP 192 * << trk2.GetDefinition()->GetParticleName()
213 * << ", " 193 * << ", "
214 * << (trk1.Get4Momentum()+trk2.Get4Mo 194 * << (trk1.Get4Momentum()+trk2.Get4Momentum()).mag()
215 * << ", " 195 * << ", "
216 * << (trk1.Get4Momentum()+trk2.Get4Mo 196 * << (trk1.Get4Momentum()+trk2.Get4Momentum()).mag()-
217 * trk1.Get4Momentum().mag() - trk 197 * trk1.Get4Momentum().mag() - trk2.Get4Momentum().mag()
218 * << G4endl; 198 * << G4endl;
219 */ 199 */
220 if (distance <= totalCrossSection / pi) 200 if (distance <= totalCrossSection / pi)
221 { 201 {
222 time = collisionTime; 202 time = collisionTime;
223 } 203 }
224 } else 204 } else
225 { 205 {
226 206
227 // For debugging... 207 // For debugging...
228 // G4cout << " totalCrossection = 0, tr 208 // G4cout << " totalCrossection = 0, trk1/2, s, e-m: "
229 // << trk1.GetDefinition()->GetP 209 // << trk1.GetDefinition()->GetParticleName()
230 // << " / " 210 // << " / "
231 // << trk2.GetDefinition()->GetP 211 // << trk2.GetDefinition()->GetParticleName()
232 // << ", " 212 // << ", "
233 // << (trk1.Get4Momentum()+trk2.Get4Mo 213 // << (trk1.Get4Momentum()+trk2.Get4Momentum()).mag()
234 // << ", " 214 // << ", "
235 // << (trk1.Get4Momentum()+trk2.Get4Mo 215 // << (trk1.Get4Momentum()+trk2.Get4Momentum()).mag()-
236 // trk1.Get4Momentum().mag() - trk 216 // trk1.Get4Momentum().mag() - trk2.Get4Momentum().mag()
237 // << G4endl; 217 // << G4endl;
238 218
239 } 219 }
240 /* 220 /*
241 * if(distance <= sqr(5.*fermi)) 221 * if(distance <= sqr(5.*fermi))
242 * { 222 * {
243 * G4cout << " distance,xsect, std::sqrt( 223 * G4cout << " distance,xsect, std::sqrt(xsect/pi) : " << std::sqrt(distance)/fermi
244 * << " " << totalCrossSection/sqr(fermi 224 * << " " << totalCrossSection/sqr(fermi)
245 * << " " << std::sqrt(totalCrossSection 225 * << " " << std::sqrt(totalCrossSection / pi)/fermi << G4endl;
246 * } 226 * }
247 */ 227 */
248 228
249 } 229 }
250 else 230 else
251 { 231 {
252 time = DBL_MAX; 232 time = DBL_MAX;
253 // /* 233 // /*
254 // For debugging 234 // For debugging
255 //hpw G4cout << "G4Scatterer - c 235 //hpw G4cout << "G4Scatterer - collision not found: "
256 //hpw << trk1.GetDefinition()->GetParti 236 //hpw << trk1.GetDefinition()->GetParticleName()
257 //hpw << " - " 237 //hpw << " - "
258 //hpw << trk2.GetDefinition()->GetParti 238 //hpw << trk2.GetDefinition()->GetParticleName()
259 //hpw << G4endl; 239 //hpw << G4endl;
260 // End of debugging 240 // End of debugging
261 // */ 241 // */
262 } 242 }
263 } 243 }
264 244
265 else 245 else
266 { 246 {
267 /* 247 /*
268 // For debugging 248 // For debugging
269 G4cout << "G4Scatterer - negative collisio 249 G4cout << "G4Scatterer - negative collisionTime"
270 << ": collisionTime = " << collisionTime 250 << ": collisionTime = " << collisionTime
271 << ", position = " << position 251 << ", position = " << position
272 << ", velocity = " << velocity 252 << ", velocity = " << velocity
273 << G4endl; 253 << G4endl;
274 // End of debugging 254 // End of debugging
275 */ 255 */
276 } 256 }
277 257
278 return time; 258 return time;
279 } 259 }
280 260
281 //-------------------------------------------- << 261 G4KineticTrackVector* G4Scatterer::Scatter(const G4KineticTrack& trk1,
282 << 262 const G4KineticTrack& trk2)
283 G4KineticTrackVector* G4Scatterer::Scatter(con <<
284 const G4KineticTrack& trk2) co <<
285 { 263 {
286 // G4double sqrtS = (trk1.Get4Momentum() + t 264 // G4double sqrtS = (trk1.Get4Momentum() + trk2.Get4Momentum()).mag();
287 G4LorentzVector pInitial=trk1.Get4Momentum( 265 G4LorentzVector pInitial=trk1.Get4Momentum() + trk2.Get4Momentum();
288 G4double energyBalance = pInitial.t(); 266 G4double energyBalance = pInitial.t();
289 G4double pxBalance = pInitial.vect().x(); 267 G4double pxBalance = pInitial.vect().x();
290 G4double pyBalance = pInitial.vect().y(); 268 G4double pyBalance = pInitial.vect().y();
291 G4double pzBalance = pInitial.vect().z(); 269 G4double pzBalance = pInitial.vect().z();
292 G4int chargeBalance = G4lrint(trk1.GetDefin 270 G4int chargeBalance = G4lrint(trk1.GetDefinition()->GetPDGCharge()
293 + trk2.GetDefinition()- 271 + trk2.GetDefinition()->GetPDGCharge());
294 G4int baryonBalance = trk1.GetDefinition()- 272 G4int baryonBalance = trk1.GetDefinition()->GetBaryonNumber()
295 + trk2.GetDefinition()- 273 + trk2.GetDefinition()->GetBaryonNumber();
296 << 274
297 const G4VCollision* collision = FindCollisi << 275 G4VCollision* collision = FindCollision(trk1,trk2);
298 if (collision != 0) 276 if (collision != 0)
299 { 277 {
300 G4double aCrossSection = collision->Cross 278 G4double aCrossSection = collision->CrossSection(trk1,trk2);
301 if (aCrossSection > 0.0) << 279 if (aCrossSection > 0.0)
302 { 280 {
303 281
304 282
305 #ifdef debug_G4Scatterer 283 #ifdef debug_G4Scatterer
306 G4cout << "be4 FinalState 1(p,e,m): " 284 G4cout << "be4 FinalState 1(p,e,m): "
307 << trk1.Get4Momentum() << " " 285 << trk1.Get4Momentum() << " "
308 << trk1.Get4Momentum().mag() 286 << trk1.Get4Momentum().mag()
309 << ", 2: " 287 << ", 2: "
310 << trk2.Get4Momentum()<< " " 288 << trk2.Get4Momentum()<< " "
311 << trk2.Get4Momentum().mag() << " " 289 << trk2.Get4Momentum().mag() << " "
312 << G4endl; 290 << G4endl;
313 #endif 291 #endif
314 292
315 293
316 G4KineticTrackVector* products = collis 294 G4KineticTrackVector* products = collision->FinalState(trk1,trk2);
317 if(!products || products->size() == 0) 295 if(!products || products->size() == 0) return products;
318 296
319 #ifdef debug_G4Scatterer 297 #ifdef debug_G4Scatterer
320 G4cout << "size of FS: "<<products->siz << 298 G4cout << "size of FS: "<<products->size()<<G4endl;
321 #endif 299 #endif
322 300
323 G4KineticTrack *final= products->operat 301 G4KineticTrack *final= products->operator[](0);
324 302
325 303
326 #ifdef debug_G4Scatterer 304 #ifdef debug_G4Scatterer
327 G4cout << " FinalState 1: " 305 G4cout << " FinalState 1: "
328 << final->Get4Momentum()<< " " 306 << final->Get4Momentum()<< " "
329 << final->Get4Momentum().mag() ; 307 << final->Get4Momentum().mag() ;
330 #endif 308 #endif
331 309
332 if(products->size() == 1) return produ 310 if(products->size() == 1) return products;
333 final=products->operator[](1); 311 final=products->operator[](1);
334 #ifdef debug_G4Scatterer 312 #ifdef debug_G4Scatterer
335 G4cout << ", 2: " 313 G4cout << ", 2: "
336 << final->Get4Momentum() << " " 314 << final->Get4Momentum() << " "
337 << final->Get4Momentum().mag() << " 315 << final->Get4Momentum().mag() << " " << G4endl;
338 #endif 316 #endif
339 317
340 final= products->operator[](0); 318 final= products->operator[](0);
341 G4LorentzVector pFinal=final->Get4Momen 319 G4LorentzVector pFinal=final->Get4Momentum();
342 if(products->size()==2) 320 if(products->size()==2)
343 { 321 {
344 final=products->operator[](1); 322 final=products->operator[](1);
345 pFinal +=final->Get4Momentum(); 323 pFinal +=final->Get4Momentum();
346 } 324 }
347 325
348 #ifdef debug_G4Scatterer 326 #ifdef debug_G4Scatterer
349 if ( (pInitial-pFinal).mag() > 0.1*MeV 327 if ( (pInitial-pFinal).mag() > 0.1*MeV )
350 { 328 {
351 G4cout << "G4Scatterer: momentum imb 329 G4cout << "G4Scatterer: momentum imbalance, pInitial= " <<pInitial << " pFinal= " <<pFinal<< G4endl;
352 } 330 }
353 G4cout << "Scatterer costh= " << trk1.G 331 G4cout << "Scatterer costh= " << trk1.Get4Momentum().vect().unit() *(products->operator[](0))->Get4Momentum().vect().unit()<< G4endl;
354 #endif 332 #endif
355 << 333
356 for(size_t hpw=0; hpw<products->size(); 334 for(size_t hpw=0; hpw<products->size(); hpw++)
357 { 335 {
358 energyBalance-=products->operator[](h 336 energyBalance-=products->operator[](hpw)->Get4Momentum().t();
359 pxBalance-=products->operator[](hpw)- 337 pxBalance-=products->operator[](hpw)->Get4Momentum().vect().x();
360 pyBalance-=products->operator[](hpw)- 338 pyBalance-=products->operator[](hpw)->Get4Momentum().vect().y();
361 pzBalance-=products->operator[](hpw)- 339 pzBalance-=products->operator[](hpw)->Get4Momentum().vect().z();
362 chargeBalance-=G4lrint(products->operator[] 340 chargeBalance-=G4lrint(products->operator[](hpw)->GetDefinition()->GetPDGCharge());
363 baryonBalance-=products->operator[](h 341 baryonBalance-=products->operator[](hpw)->GetDefinition()->GetBaryonNumber();
364 } 342 }
365 if(std::getenv("ScattererEnergyBalanceC << 343 if(getenv("ScattererEnergyBalanceCheck"))
366 std::cout << "DEBUGGING energy balanc 344 std::cout << "DEBUGGING energy balance A: "
367 <<energyBalance<<" " 345 <<energyBalance<<" "
368 <<pxBalance<<" " 346 <<pxBalance<<" "
369 <<pyBalance<<" " 347 <<pyBalance<<" "
370 <<pzBalance<<" " 348 <<pzBalance<<" "
371 <<chargeBalance<<" " 349 <<chargeBalance<<" "
372 <<baryonBalance<<" " 350 <<baryonBalance<<" "
373 <<G4endl; 351 <<G4endl;
374 if(chargeBalance !=0 ) 352 if(chargeBalance !=0 )
375 { 353 {
376 G4cout << "track 1"<<trk1.GetDefiniti 354 G4cout << "track 1"<<trk1.GetDefinition()->GetParticleName()<<G4endl;
377 G4cout << "track 2"<<trk2.GetDefiniti 355 G4cout << "track 2"<<trk2.GetDefinition()->GetParticleName()<<G4endl;
378 for(size_t hpw=0; hpw<products->size( 356 for(size_t hpw=0; hpw<products->size(); hpw++)
379 { 357 {
380 G4cout << products->operator[](hpw 358 G4cout << products->operator[](hpw)->GetDefinition()->GetParticleName()<<G4endl;
381 } 359 }
382 G4Exception("G4Scatterer", "im_r_matr 360 G4Exception("G4Scatterer", "im_r_matrix001", FatalException,
383 "Problem in ChargeBalance"); 361 "Problem in ChargeBalance");
384 } 362 }
385 return products; 363 return products;
386 } << 364 }
387 } << 365 }
388 << 366
389 return NULL; 367 return NULL;
390 } 368 }
391 369
392 //-------------------------------------------- <<
393 370
394 const G4VCollision* G4Scatterer::FindCollision << 371 G4VCollision* G4Scatterer::FindCollision(const G4KineticTrack& trk1,
395 const G4KineticTrack& trk2) const << 372 const G4KineticTrack& trk2)
396 { 373 {
397 G4VCollision* collisionInCharge = 0; 374 G4VCollision* collisionInCharge = 0;
398 375
399 size_t i; 376 size_t i;
400 for (i=0; i<collisions.size(); i++) 377 for (i=0; i<collisions.size(); i++)
401 { 378 {
402 G4VCollision* component = collisions[i]; 379 G4VCollision* component = collisions[i];
403 if (component->IsInCharge(trk1,trk2)) 380 if (component->IsInCharge(trk1,trk2))
404 { 381 {
405 collisionInCharge = component; 382 collisionInCharge = component;
406 break; 383 break;
407 } 384 }
408 } 385 }
409 // if(collisionInCharge) 386 // if(collisionInCharge)
410 // { 387 // {
411 // G4cout << "found collision : " << 388 // G4cout << "found collision : "
412 // << collisionInCharge->GetName()<< " 389 // << collisionInCharge->GetName()<< " "
413 // << "for " 390 // << "for "
414 // << trk1.GetDefinition()->GetParticleName() 391 // << trk1.GetDefinition()->GetParticleName()<<" + "
415 // << trk2.GetDefinition()->GetParticleName() 392 // << trk2.GetDefinition()->GetParticleName()<<" "
416 // << G4endl;; 393 // << G4endl;;
417 // } 394 // }
418 return collisionInCharge; 395 return collisionInCharge;
419 } 396 }
420 << 397
421 //-------------------------------------------- << 398 G4double G4Scatterer::GetCrossSection(const G4KineticTrack& trk1,
422 << 399 const G4KineticTrack& trk2)
423 G4double G4Scatterer::GetCrossSection(const G4 <<
424 const G4KineticTrack& trk2) cons <<
425 { 400 {
426 const G4VCollision* collision = FindCollisi << 401 G4VCollision* collision = FindCollision(trk1,trk2);
427 G4double aCrossSection = 0; 402 G4double aCrossSection = 0;
428 if (collision != 0) 403 if (collision != 0)
429 { 404 {
430 aCrossSection = collision->CrossSection(t 405 aCrossSection = collision->CrossSection(trk1,trk2);
431 } 406 }
432 return aCrossSection; 407 return aCrossSection;
433 } 408 }
434 409
435 //-------------------------------------------- <<
436 410
437 const std::vector<G4CollisionInitialState *> & 411 const std::vector<G4CollisionInitialState *> & G4Scatterer::
438 GetCollisions(G4KineticTrack * aProjectile, << 412 GetCollisions(G4KineticTrack * aProjectile,
439 std::vector<G4KineticTrack *> & 413 std::vector<G4KineticTrack *> & someCandidates,
440 G4double aCurrentTime) 414 G4double aCurrentTime)
441 { 415 {
442 theCollisions.clear(); 416 theCollisions.clear();
443 std::vector<G4KineticTrack *>::iterator j=so 417 std::vector<G4KineticTrack *>::iterator j=someCandidates.begin();
444 for(; j != someCandidates.end(); ++j) 418 for(; j != someCandidates.end(); ++j)
445 { 419 {
446 G4double collisionTime = GetTimeToInteract 420 G4double collisionTime = GetTimeToInteraction(*aProjectile, **j);
447 if(collisionTime == DBL_MAX) // no collis 421 if(collisionTime == DBL_MAX) // no collision
448 { 422 {
449 continue; 423 continue;
450 } 424 }
451 G4KineticTrackVector aTarget; 425 G4KineticTrackVector aTarget;
452 aTarget.push_back(*j); 426 aTarget.push_back(*j);
453 theCollisions.push_back( 427 theCollisions.push_back(
454 new G4CollisionInitialState(collisionTim 428 new G4CollisionInitialState(collisionTime+aCurrentTime, aProjectile, aTarget, this) );
455 // G4cerr <<" !!!!!! debug collisions "<< << 429 // G4cerr <<" !!!!!! debug collisions "<<collisionTime<<" "<<pkt->GetDefinition()->GetParticleName()<<G4endl;
456 } 430 }
457 return theCollisions; 431 return theCollisions;
458 } 432 }
459 433
460 434
461 G4KineticTrackVector * G4Scatterer:: 435 G4KineticTrackVector * G4Scatterer::
462 GetFinalState(G4KineticTrack * aProjectile, << 436 GetFinalState(G4KineticTrack * aProjectile,
463 std::vector<G4KineticTrack *> & theTar 437 std::vector<G4KineticTrack *> & theTargets)
464 { 438 {
465 G4KineticTrack target_reloc(*(theTargets[0 439 G4KineticTrack target_reloc(*(theTargets[0]));
466 return Scatter(*aProjectile, target_reloc) 440 return Scatter(*aProjectile, target_reloc);
467 } 441 }
468 //-------------------------------------------- <<
469 442