Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/hadronic/models/im_r_matrix/src/G4CollisionComposite.cc

Version: [ ReleaseNotes ] [ 1.0 ] [ 1.1 ] [ 2.0 ] [ 3.0 ] [ 3.1 ] [ 3.2 ] [ 4.0 ] [ 4.0.p1 ] [ 4.0.p2 ] [ 4.1 ] [ 4.1.p1 ] [ 5.0 ] [ 5.0.p1 ] [ 5.1 ] [ 5.1.p1 ] [ 5.2 ] [ 5.2.p1 ] [ 5.2.p2 ] [ 6.0 ] [ 6.0.p1 ] [ 6.1 ] [ 6.2 ] [ 6.2.p1 ] [ 6.2.p2 ] [ 7.0 ] [ 7.0.p1 ] [ 7.1 ] [ 7.1.p1 ] [ 8.0 ] [ 8.0.p1 ] [ 8.1 ] [ 8.1.p1 ] [ 8.1.p2 ] [ 8.2 ] [ 8.2.p1 ] [ 8.3 ] [ 8.3.p1 ] [ 8.3.p2 ] [ 9.0 ] [ 9.0.p1 ] [ 9.0.p2 ] [ 9.1 ] [ 9.1.p1 ] [ 9.1.p2 ] [ 9.1.p3 ] [ 9.2 ] [ 9.2.p1 ] [ 9.2.p2 ] [ 9.2.p3 ] [ 9.2.p4 ] [ 9.3 ] [ 9.3.p1 ] [ 9.3.p2 ] [ 9.4 ] [ 9.4.p1 ] [ 9.4.p2 ] [ 9.4.p3 ] [ 9.4.p4 ] [ 9.5 ] [ 9.5.p1 ] [ 9.5.p2 ] [ 9.6 ] [ 9.6.p1 ] [ 9.6.p2 ] [ 9.6.p3 ] [ 9.6.p4 ] [ 10.0 ] [ 10.0.p1 ] [ 10.0.p2 ] [ 10.0.p3 ] [ 10.0.p4 ] [ 10.1 ] [ 10.1.p1 ] [ 10.1.p2 ] [ 10.1.p3 ] [ 10.2 ] [ 10.2.p1 ] [ 10.2.p2 ] [ 10.2.p3 ] [ 10.3 ] [ 10.3.p1 ] [ 10.3.p2 ] [ 10.3.p3 ] [ 10.4 ] [ 10.4.p1 ] [ 10.4.p2 ] [ 10.4.p3 ] [ 10.5 ] [ 10.5.p1 ] [ 10.6 ] [ 10.6.p1 ] [ 10.6.p2 ] [ 10.6.p3 ] [ 10.7 ] [ 10.7.p1 ] [ 10.7.p2 ] [ 10.7.p3 ] [ 10.7.p4 ] [ 11.0 ] [ 11.0.p1 ] [ 11.0.p2 ] [ 11.0.p3, ] [ 11.0.p4 ] [ 11.1 ] [ 11.1.1 ] [ 11.1.2 ] [ 11.1.3 ] [ 11.2 ] [ 11.2.1 ] [ 11.2.2 ] [ 11.3.0 ]

Diff markup

Differences between /processes/hadronic/models/im_r_matrix/src/G4CollisionComposite.cc (Version 11.3.0) and /processes/hadronic/models/im_r_matrix/src/G4CollisionComposite.cc (Version 9.4.p2)


  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 //                                                 26 //
                                                   >>  27 // $Id: G4CollisionComposite.cc,v 1.9 2010-03-12 15:45:18 gunter Exp $ //
 27                                                    28 
 28 #include "globals.hh"                              29 #include "globals.hh"
 29 #include "G4SystemOfUnits.hh"                  << 
 30 #include "G4CollisionComposite.hh"                 30 #include "G4CollisionComposite.hh"
 31 #include "G4VCollision.hh"                         31 #include "G4VCollision.hh"
 32 #include "G4CollisionVector.hh"                    32 #include "G4CollisionVector.hh"
 33 #include "G4KineticTrack.hh"                       33 #include "G4KineticTrack.hh"
 34 #include "G4KineticTrackVector.hh"                 34 #include "G4KineticTrackVector.hh"
 35 #include "G4VCrossSectionSource.hh"                35 #include "G4VCrossSectionSource.hh"
 36 #include "G4HadTmpUtil.hh"                         36 #include "G4HadTmpUtil.hh"
 37 #include "G4AutoLock.hh"                       << 
 38                                                    37 
 39 const G4int G4CollisionComposite::nPoints = 32     38 const G4int G4CollisionComposite::nPoints = 32;
 40                                                    39 
 41 const G4double G4CollisionComposite::theT[nPoi <<  40 G4double G4CollisionComposite::theT[nPoints] = 
 42 {.01, .03, .05, .1, .15, .2, .3, .4, .5, .6, .     41 {.01, .03, .05, .1, .15, .2, .3, .4, .5, .6, .7, .8, .9, 1.0, 1.2, 1.4, 1.6, 1.8, 2.0, 2.2, 2.5, 3.0, 3.5, 4.0, 5.0, 6.0, 8.0, 10., 15, 20, 50, 100};
 43                                                    42 
 44 G4CollisionComposite::G4CollisionComposite()       43 G4CollisionComposite::G4CollisionComposite()
 45 {                                                  44 { 
 46   G4MUTEXINIT( bufferMutex );                  << 
 47 }                                                  45 }
 48                                                    46 
 49                                                    47 
 50 G4CollisionComposite::~G4CollisionComposite()      48 G4CollisionComposite::~G4CollisionComposite()
 51 {                                              <<  49 { 
 52   G4MUTEXDESTROY(bufferMutex);                 << 
 53   std::for_each(components.begin(), components     50   std::for_each(components.begin(), components.end(), G4Delete());
 54 }                                                  51 }
 55                                                    52 
 56                                                    53 
 57 G4double G4CollisionComposite::CrossSection(co     54 G4double G4CollisionComposite::CrossSection(const G4KineticTrack& trk1, 
 58               const G4KineticTrack& trk2) cons     55               const G4KineticTrack& trk2) const
 59 {                                                  56 {
 60   G4double crossSect = 0.;                         57   G4double crossSect = 0.;
 61   const G4VCrossSectionSource* xSource = GetCr     58   const G4VCrossSectionSource* xSource = GetCrossSectionSource();
 62   if (xSource != 0)                                59   if (xSource != 0)
 63   // There is a total cross section for this C     60   // There is a total cross section for this Collision
 64   {                                                61   {
 65     crossSect = xSource->CrossSection(trk1,trk     62     crossSect = xSource->CrossSection(trk1,trk2);
 66   }                                                63   }
 67   else                                             64   else
 68   {                                                65   {
 69     G4AutoLock l(&bufferMutex);                << 
 70     // waiting for mutable to enable buffering     66     // waiting for mutable to enable buffering.
 71     const_cast<G4CollisionComposite *>(this)->     67     const_cast<G4CollisionComposite *>(this)->BufferCrossSection(trk1.GetDefinition(), trk2.GetDefinition());
 72 //    G4cerr << "Buffer filled, reying with sq     68 //    G4cerr << "Buffer filled, reying with sqrts = "<< (trk1.Get4Momentum()+trk2.Get4Momentum()).mag() <<G4endl;
 73     crossSect = BufferedCrossSection(trk1,trk2     69     crossSect = BufferedCrossSection(trk1,trk2);
 74   }                                                70   }
 75   return crossSect;                                71   return crossSect;
 76 }                                                  72 }
 77                                                    73 
 78                                                    74 
 79 G4KineticTrackVector* G4CollisionComposite::Fi     75 G4KineticTrackVector* G4CollisionComposite::FinalState(const G4KineticTrack& trk1, 
 80                 const G4KineticTrack& trk2) co     76                 const G4KineticTrack& trk2) const
 81 {                                                  77 {
 82   std::vector<G4double> cxCache;                   78   std::vector<G4double> cxCache;
 83   G4double partialCxSum = 0.0;                     79   G4double partialCxSum = 0.0;
 84                                                    80 
 85   size_t i;                                        81   size_t i;
 86   for (i=0; i<components.size(); i++)              82   for (i=0; i<components.size(); i++) 
 87   {                                                83   {
 88     G4double partialCx;                            84     G4double partialCx;
 89 //    cout << "comp" << i << " " << components     85 //    cout << "comp" << i << " " << components[i]()->GetName();
 90     if (components[i]->IsInCharge(trk1,trk2))      86     if (components[i]->IsInCharge(trk1,trk2)) 
 91     {                                              87     {
 92       partialCx = components[i]->CrossSection(     88       partialCx = components[i]->CrossSection(trk1,trk2);
 93     }                                              89     } 
 94     else                                           90     else 
 95     {                                              91     {
 96       partialCx = 0.0;                             92       partialCx = 0.0;
 97     }                                              93     }
 98 //    cout << "   cx=" << partialCx << endl;       94 //    cout << "   cx=" << partialCx << endl;
 99     partialCxSum += partialCx;                     95     partialCxSum += partialCx;
100     cxCache.push_back(partialCx);                  96     cxCache.push_back(partialCx);
101   }                                                97   }
102                                                    98 
103   G4double random = G4UniformRand()*partialCxS     99   G4double random = G4UniformRand()*partialCxSum;
104   G4double running = 0;                           100   G4double running = 0;
105   for (i=0; i<cxCache.size(); i++)                101   for (i=0; i<cxCache.size(); i++) 
106   {                                               102   {
107     running += cxCache[i];                        103     running += cxCache[i];
108     if (running > random)                         104     if (running > random) 
109     {                                             105     {
110       return components[i]->FinalState(trk1, t    106       return components[i]->FinalState(trk1, trk2);
111     }                                             107     }
112   }                                               108   }
113 //  G4cerr <<"in charge = "<<IsInCharge(trk1,     109 //  G4cerr <<"in charge = "<<IsInCharge(trk1, trk2)<<G4endl;
114 //  G4cerr <<"Cross-section = "<<CrossSection(    110 //  G4cerr <<"Cross-section = "<<CrossSection(trk1, trk2)/millibarn<<" "<<running<<" "<<cxCache.size()<<G4endl;
115 //  G4cerr <<"Names = "<<trk1.GetDefinition()-    111 //  G4cerr <<"Names = "<<trk1.GetDefinition()->GetParticleName()<<", "<<trk2.GetDefinition()->GetParticleName()<<G4endl;
116 //  throw G4HadronicException(__FILE__, __LINE    112 //  throw G4HadronicException(__FILE__, __LINE__, "G4CollisionComposite: no final state found!");
117   return NULL;                                    113   return NULL;
118 }                                                 114 }
119                                                   115 
120                                                   116 
121 G4bool G4CollisionComposite::IsInCharge(const     117 G4bool G4CollisionComposite::IsInCharge(const G4KineticTrack& trk1, 
122           const G4KineticTrack& trk2) const       118           const G4KineticTrack& trk2) const
123 {                                                 119 {
124   G4bool isInCharge = false;                      120   G4bool isInCharge = false;
125                                                   121 
126   // The composite is in charge if any of its     122   // The composite is in charge if any of its components is in charge
127                                                   123 
128   const G4CollisionVector* comps = GetComponen    124   const G4CollisionVector* comps = GetComponents();
129   if (comps)                                      125   if (comps)
130     {                                             126     {
131       G4CollisionVector::const_iterator iter;     127       G4CollisionVector::const_iterator iter;
132       for (iter = comps->begin(); iter != comp    128       for (iter = comps->begin(); iter != comps->end(); ++iter)
133   {                                               129   {
134    if ( ((*iter))->IsInCharge(trk1,trk2) ) isI    130    if ( ((*iter))->IsInCharge(trk1,trk2) ) isInCharge = true;
135   }                                               131   }
136     }                                             132     }
137                                                   133 
138   return isInCharge;                              134   return isInCharge;
139 }                                                 135 }
140                                                   136 
141 void G4CollisionComposite::                       137 void G4CollisionComposite::
142 BufferCrossSection(const G4ParticleDefinition     138 BufferCrossSection(const G4ParticleDefinition * aP, const G4ParticleDefinition * bP)
143 {                                                 139 {
144    // check if already buffered                   140    // check if already buffered
145    size_t i;                                      141    size_t i;
146    for(i=0; i<theBuffer.size(); i++)              142    for(i=0; i<theBuffer.size(); i++)
147    {                                              143    {
148      if(theBuffer[i].InCharge(aP, bP)) return;    144      if(theBuffer[i].InCharge(aP, bP)) return;
149    }                                              145    }
150 //   G4cerr << "Buffering for "<<aP->GetPartic    146 //   G4cerr << "Buffering for "<<aP->GetParticleName()<<" "<<bP->GetParticleName()<<G4endl;
151                                                   147    
152    // buffer the new one.                         148    // buffer the new one.
153    G4CrossSectionBuffer aNewBuff(aP, bP);         149    G4CrossSectionBuffer aNewBuff(aP, bP);
154    size_t maxE=nPoints;                           150    size_t maxE=nPoints;
155    for(size_t tt=0; tt<maxE; tt++)                151    for(size_t tt=0; tt<maxE; tt++)
156    {                                              152    {
157      G4double aT = theT[tt]*GeV;                  153      G4double aT = theT[tt]*GeV;
158      G4double crossSect = 0;                      154      G4double crossSect = 0;
159      // The total cross-section is summed over    155      // The total cross-section is summed over all the component channels
160                                                   156      
161      //A.R. 28-Sep-2012 Fix reproducibility pr << 
162      //                 Assign the kinetic ene << 
163      //                 two particles, instead << 
164      G4double atime = 0;                          157      G4double atime = 0;
165      G4double btime = 0;                       << 
166      G4ThreeVector aPosition(0,0,0);              158      G4ThreeVector aPosition(0,0,0);
167      G4ThreeVector bPosition(0,0,0);           << 
168      G4double aM = aP->GetPDGMass();              159      G4double aM = aP->GetPDGMass();
169      G4double bM = bP->GetPDGMass();           << 160      G4double aE = aM+aT;
170      G4double aE = aM;                         << 161      G4ThreeVector aMom(0,0,std::sqrt(aE*aE-aM*aM));
171      G4double bE = bM;                         << 
172      G4ThreeVector aMom(0,0,0);                << 
173      G4ThreeVector bMom(0,0,0);                << 
174      if ( aM <= bM ) {                         << 
175       aE += aT;                                << 
176       aMom = G4ThreeVector(0,0,std::sqrt(aE*aE << 
177      } else {                                  << 
178       bE += aT;                                << 
179       bMom = G4ThreeVector(0,0,std::sqrt(bE*bE << 
180      }                                         << 
181      G4LorentzVector a4Momentum(aE, aMom);        162      G4LorentzVector a4Momentum(aE, aMom);
                                                   >> 163      G4KineticTrack a(const_cast<G4ParticleDefinition *>(aP), atime, aPosition, a4Momentum);
                                                   >> 164 
                                                   >> 165      G4double btime = 0;
                                                   >> 166      G4ThreeVector bPosition(0,0,0);
                                                   >> 167      G4ThreeVector bMom(0,0,0*MeV);
                                                   >> 168      G4double bE = bP->GetPDGMass();
182      G4LorentzVector b4Momentum(bE, bMom);        169      G4LorentzVector b4Momentum(bE, bMom);
183      G4KineticTrack a(aP, atime, aPosition, a4 << 170      G4KineticTrack b(const_cast<G4ParticleDefinition *>(bP), btime, bPosition, b4Momentum);
184      G4KineticTrack b(bP, btime, bPosition, b4 << 
185                                                   171      
186      for (i=0; i<components.size(); i++)          172      for (i=0; i<components.size(); i++)
187      {                                            173      {
188        if(components[i]->IsInCharge(a,b))         174        if(components[i]->IsInCharge(a,b))
189        {                                          175        {
190    crossSect += components[i]->CrossSection(a,    176    crossSect += components[i]->CrossSection(a,b);
191        }                                          177        }
192      }                                            178      }
193      G4double sqrts = (a4Momentum+b4Momentum).    179      G4double sqrts = (a4Momentum+b4Momentum).mag();
194      aNewBuff.push_back(sqrts, crossSect);        180      aNewBuff.push_back(sqrts, crossSect);
195    }                                              181    }
196    theBuffer.push_back(std::move(aNewBuff));   << 182    theBuffer.push_back(aNewBuff);
197 //   theBuffer.back().Print();                    183 //   theBuffer.back().Print();
198 }                                                 184 }
199                                                   185 
200                                                   186 
201 G4double G4CollisionComposite::                   187 G4double G4CollisionComposite::
202 BufferedCrossSection(const G4KineticTrack& trk    188 BufferedCrossSection(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const
203 {                                                 189 {
204    for(size_t i=0; i<theBuffer.size(); i++)       190    for(size_t i=0; i<theBuffer.size(); i++)
205    {                                              191    {
206      if(theBuffer[i].InCharge(trk1.GetDefiniti    192      if(theBuffer[i].InCharge(trk1.GetDefinition(), trk2.GetDefinition())) 
207      {                                            193      {
208        return theBuffer[i].CrossSection(trk1,     194        return theBuffer[i].CrossSection(trk1, trk2);
209      }                                            195      }
210    }                                              196    }
211    throw G4HadronicException(__FILE__, __LINE_    197    throw G4HadronicException(__FILE__, __LINE__, "G4CollisionComposite::BufferedCrossSection - Blitz !!");
212    return 0;                                      198    return 0;
213 }                                                 199 }
214                                                   200 
215                                                   201