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Geant4/processes/hadronic/models/im_r_matrix/src/G4XPDGTotal.cc

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Diff markup

Differences between /processes/hadronic/models/im_r_matrix/src/G4XPDGTotal.cc (Version 11.3.0) and /processes/hadronic/models/im_r_matrix/src/G4XPDGTotal.cc (Version 3.2)


  1 //                                                  1 
  2 // *******************************************    
  3 // * License and Disclaimer                       
  4 // *                                              
  5 // * The  Geant4 software  is  copyright of th    
  6 // * the Geant4 Collaboration.  It is provided    
  7 // * conditions of the Geant4 Software License    
  8 // * LICENSE and available at  http://cern.ch/    
  9 // * include a list of copyright holders.         
 10 // *                                              
 11 // * Neither the authors of this software syst    
 12 // * institutes,nor the agencies providing fin    
 13 // * work  make  any representation or  warran    
 14 // * regarding  this  software system or assum    
 15 // * use.  Please see the license in the file     
 16 // * for the full disclaimer and the limitatio    
 17 // *                                              
 18 // * This  code  implementation is the result     
 19 // * technical work of the GEANT4 collaboratio    
 20 // * By using,  copying,  modifying or  distri    
 21 // * any work based  on the software)  you  ag    
 22 // * use  in  resulting  scientific  publicati    
 23 // * acceptance of all terms of the Geant4 Sof    
 24 // *******************************************    
 25 //                                                
 26 //                                                
 27 // PDG fits, 1998 Review of Particle Propertie    
 28 // -------------------------------------------    
 29                                                   
 30 #include "globals.hh"                             
 31 #include "G4ios.hh"                               
 32 #include "G4Pow.hh"                               
 33 #include "G4SystemOfUnits.hh"                     
 34 #include "G4XPDGTotal.hh"                         
 35 #include "G4KineticTrack.hh"                      
 36 #include "G4ParticleDefinition.hh"                
 37 #include "G4DataVector.hh"                        
 38 #include "G4AntiProton.hh"                        
 39 #include "G4AntiNeutron.hh"                       
 40 #include "G4Proton.hh"                            
 41 #include "G4Neutron.hh"                           
 42 #include "G4PionPlus.hh"                          
 43 #include "G4PionMinus.hh"                         
 44 #include "G4Gamma.hh"                             
 45 #include "G4KaonMinus.hh"                         
 46 #include "G4KaonPlus.hh"                          
 47                                                   
 48 const G4double G4XPDGTotal::_lowLimit = 3. * G    
 49 const G4double G4XPDGTotal::_highLimit = DBL_M    
 50                                                   
 51 // Parameters of the PDG total cross-section f    
 52 // Columns are: lower and higher fit range, X,    
 53 const G4int G4XPDGTotal::nFit = 5;                
 54 // p p                                            
 55 const G4double G4XPDGTotal::ppPDGFit[5] =         
 56 // n p                                            
 57 const G4double G4XPDGTotal::npPDGFit[5] =         
 58 // pi p                                           
 59 const G4double G4XPDGTotal::pipPDGFit[5] =        
 60 // K p                                            
 61 const G4double G4XPDGTotal::KpPDGFit[5] =         
 62 // K n                                            
 63 const G4double G4XPDGTotal::KnPDGFit[5] =         
 64 // gamma p                                        
 65 const G4double G4XPDGTotal::gammapPDGFit[5] =     
 66 //gamma gamma                                     
 67 const G4double G4XPDGTotal::gammagammaPDGFit[5    
 68                                                   
 69                                                   
 70 G4XPDGTotal::G4XPDGTotal()                        
 71 {                                                 
 72   std::pair<const G4ParticleDefinition *,const    
 73             G4Proton::ProtonDefinition());        
 74   std::pair<const G4ParticleDefinition *,const    
 75             G4Neutron::NeutronDefinition());      
 76   std::pair<const G4ParticleDefinition *,const    
 77            G4Proton::ProtonDefinition());         
 78   std::pair<const G4ParticleDefinition *,const    
 79             G4Proton::ProtonDefinition());        
 80   std::pair<const G4ParticleDefinition *,const    
 81           G4Proton::ProtonDefinition());          
 82   std::pair<const G4ParticleDefinition *,const    
 83           G4Neutron::NeutronDefinition());        
 84   std::pair<const G4ParticleDefinition *,const    
 85            G4Proton::ProtonDefinition());         
 86   std::pair<const G4ParticleDefinition *,const    
 87            G4Neutron::NeutronDefinition());       
 88   std::pair<const G4ParticleDefinition *,const    
 89             G4Proton::ProtonDefinition());        
 90   std::pair<const G4ParticleDefinition *,const    
 91             G4Gamma::GammaDefinition());          
 92   std::pair<const G4ParticleDefinition *,const    
 93             G4Neutron::NeutronDefinition());      
 94                                                   
 95   std::vector<G4double> nnData;                   
 96   std::vector<G4double> ppData;                   
 97   std::vector<G4double> pnData;                   
 98   std::vector<G4double> pipData;                  
 99   std::vector<G4double> KpData;                   
100   std::vector<G4double> KnData;                   
101   std::vector<G4double> gpData;                   
102   std::vector<G4double> ggData;                   
103                                                   
104   G4int i;                                        
105   for (i=0; i<2; i++)                             
106     {                                             
107       nnData.push_back(ppPDGFit[i] * GeV);        
108       ppData.push_back(ppPDGFit[i] * GeV);        
109       pnData.push_back(npPDGFit[i] * GeV);        
110       pipData.push_back(pipPDGFit[i] * GeV);      
111       KpData.push_back(KpPDGFit[i] * GeV);        
112       KnData.push_back(KnPDGFit[i] * GeV);        
113       gpData.push_back(gammapPDGFit[i] * GeV);    
114       ggData.push_back(gammagammaPDGFit[i] * G    
115     }                                             
116   for (i=2; i<nFit; i++)                          
117     {                                             
118       nnData.push_back(ppPDGFit[i]);              
119       ppData.push_back(ppPDGFit[i]);              
120       pnData.push_back(npPDGFit[i]);              
121       pipData.push_back(pipPDGFit[i]);            
122       KpData.push_back(KpPDGFit[i]);              
123       KnData.push_back(KnPDGFit[i]);              
124       gpData.push_back(gammapPDGFit[i]);          
125       ggData.push_back(gammagammaPDGFit[i]);      
126     }                                             
127                                                   
128   xMap[pp] = std::move(ppData);                   
129   xMap[pn] = std::move(pnData);                   
130   xMap[piPlusp] = pipData;                        
131   xMap[piMinusp] = std::move(pipData);            
132   xMap[KPlusp] = KpData;                          
133   xMap[KPlusn] = KnData;                          
134   xMap[KMinusp] = std::move(KpData);              
135   xMap[KMinusn] = std::move(KnData);              
136   xMap[gp] = std::move(gpData);                   
137   xMap[gg] = std::move(ggData);                   
138   xMap[nn] = std::move(nnData);                   
139 }                                                 
140                                                   
141                                                   
142 G4XPDGTotal::~G4XPDGTotal()                       
143 { }                                               
144                                                   
145                                                   
146 G4bool G4XPDGTotal::operator==(const G4XPDGTot    
147 {                                                 
148   return (this == (G4XPDGTotal *) &right);        
149 }                                                 
150                                                   
151                                                   
152 G4bool G4XPDGTotal::operator!=(const G4XPDGTot    
153 {                                                 
154   return (this != (G4XPDGTotal *) &right);        
155 }                                                 
156                                                   
157                                                   
158 G4double G4XPDGTotal::CrossSection(const G4Kin    
159            const G4KineticTrack& trk2) const      
160 {                                                 
161   G4double sigma = 0.;                            
162                                                   
163   G4double sqrtS = (trk1.Get4Momentum() + trk2    
164                                                   
165   const G4ParticleDefinition* def1 = trk1.GetD    
166   const G4ParticleDefinition* def2 = trk2.GetD    
167                                                   
168   G4double enc1 = def1->GetPDGEncoding();         
169   G4double enc2 = def2->GetPDGEncoding();         
170   G4double coeff = -1.;                           
171   if ( (enc1 < 0 && enc2 >0) || (enc2 < 0 && e    
172                                                   
173   // Order the pair: first is the lower mass p    
174   std::pair<const G4ParticleDefinition *,const    
175                                                   
176   if (def1->GetPDGMass() > def2->GetPDGMass())    
177     trkPair = std::pair<const G4ParticleDefini    
178                                                   
179   std::vector<G4double> data;                     
180                                                   
181   if (xMap.find(trkPair) != xMap.end())           
182     {                                             
183                                                   
184       PairDoubleMap::const_iterator iter;         
185       for (iter = xMap.begin(); iter != xMap.e    
186   {                                               
187     std::pair<const G4ParticleDefinition *,con    
188     if (thePair == trkPair)                       
189       {                                           
190         data = (*iter).second;                    
191                                                   
192         G4double eMinFit = data[0];               
193         G4double eMaxFit = data[1];               
194         G4double xFit = data[2];                  
195         G4double y1Fit = data[3];                 
196         G4double y2Fit = data[4];                 
197                                                   
198         // Total Cross-section fit, 1998 Revie    
199                                                   
200         // Parameters from the PDG fit            
201         static const G4double epsilon = 0.095;    
202         static const G4double eta1 = -0.34;       
203         static const G4double eta2 = -0.55;       
204                                                   
205         if (sqrtS < eMinFit || sqrtS > eMaxFit    
206         {                                         
207             G4cout << "WARNING! G4XPDGTotal::P    
208            << sqrtS / GeV                         
209            << " GeV outside the PDG fit range     
210            << eMinFit / GeV << " - " << eMaxFi    
211         }                                         
212                                                   
213         G4double S = (sqrtS * sqrtS) / (GeV*Ge    
214                                                   
215         sigma = ( (xFit * G4Pow::GetInstance()    
216       (y1Fit * G4Pow::GetInstance()->powA(S,et    
217       (coeff * y2Fit * G4Pow::GetInstance()->p    
218                                                   
219         if (sigma < 0.)                           
220     {                                             
221       G4String name1 = def1->GetParticleName()    
222       G4String name2 = def2->GetParticleName()    
223       G4cout << "WARNING! G4XPDGTotal::PDGTota    
224        << name1 << "-" << name2                   
225        << " total cross section: Ecm "            
226        << sqrtS / GeV << " GeV, negative cross    
227        << sigma / millibarn << " mb set to 0"     
228       sigma = 0.;                                 
229     }                                             
230       }                                           
231   }                                               
232     }                                             
233   return sigma;                                   
234 }                                                 
235                                                   
236                                                   
237 G4String G4XPDGTotal::Name() const                
238 {                                                 
239   G4String name = "PDGTotal ";                    
240   return name;                                    
241 }                                                 
242                                                   
243                                                   
244 G4bool G4XPDGTotal::IsValid(G4double e) const     
245 {                                                 
246   G4bool answer = InLimits(e,_lowLimit,_highLi    
247                                                   
248   return answer;                                  
249 }                                                 
250                                                   
251                                                   
252 G4double G4XPDGTotal::PDGTotal(G4double ,G4dou    
253 {                                                 
254   return 0.;                                      
255 }                                                 
256                                                   
257                                                   
258                                                   
259                                                   
260                                                   
261                                                   
262                                                   
263                                                   
264                                                   
265                                                   
266                                                   
267