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Geant4/processes/hadronic/models/qmd/src/G4QMDNucleus.cc

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Diff markup

Differences between /processes/hadronic/models/qmd/src/G4QMDNucleus.cc (Version 11.3.0) and /processes/hadronic/models/qmd/src/G4QMDNucleus.cc (Version 11.0.p1)


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 25 //                                                 25 //
 26 // 081024 G4NucleiPropertiesTable:: to G4Nucle     26 // 081024 G4NucleiPropertiesTable:: to G4NucleiProperties::
 27 //                                                 27 //
 28 #include <numeric>                                 28 #include <numeric>
 29                                                    29 
 30 #include "G4QMDNucleus.hh"                         30 #include "G4QMDNucleus.hh"
 31 #include "G4Pow.hh"                                31 #include "G4Pow.hh"
 32 #include "G4SystemOfUnits.hh"                      32 #include "G4SystemOfUnits.hh"
 33 #include "G4Proton.hh"                             33 #include "G4Proton.hh"
 34 #include "G4Neutron.hh"                            34 #include "G4Neutron.hh"
 35 #include "G4NucleiProperties.hh"                   35 #include "G4NucleiProperties.hh"
 36 #include "G4HadronicException.hh"                  36 #include "G4HadronicException.hh"
 37                                                    37 
 38 G4QMDNucleus::G4QMDNucleus()                       38 G4QMDNucleus::G4QMDNucleus()
 39 {                                                  39 {
 40    G4QMDParameters* parameters = G4QMDParamete     40    G4QMDParameters* parameters = G4QMDParameters::GetInstance();
 41    hbc = parameters->Get_hbc();                    41    hbc = parameters->Get_hbc();
 42                                                    42    
 43    jj = 0; // will be calcualted in CalEnergyA     43    jj = 0; // will be calcualted in CalEnergyAndAngularMomentumInCM;
 44    potentialEnergy = 0.0; // will be set throu     44    potentialEnergy = 0.0; // will be set through set method 
 45    excitationEnergy = 0.0;                         45    excitationEnergy = 0.0;
 46 }                                                  46 }
 47                                                    47 
 48                                                    48 
 49                                                    49 
 50 //G4QMDNucleus::~G4QMDNucleus()                    50 //G4QMDNucleus::~G4QMDNucleus()
 51 //{                                                51 //{
 52 //   ;                                             52 //   ;
 53 //}                                                53 //}
 54                                                    54 
 55                                                    55 
 56 G4LorentzVector G4QMDNucleus::Get4Momentum()       56 G4LorentzVector G4QMDNucleus::Get4Momentum()
 57 {                                                  57 {
 58    G4LorentzVector p( 0 );                         58    G4LorentzVector p( 0 );
 59    std::vector< G4QMDParticipant* >::iterator      59    std::vector< G4QMDParticipant* >::iterator it; 
 60    for ( it = participants.begin() ; it != par     60    for ( it = participants.begin() ; it != participants.end() ; it++ ) 
 61       p += (*it)->Get4Momentum();                  61       p += (*it)->Get4Momentum();   
 62                                                    62 
 63    return p;                                       63    return p;
 64 }                                                  64 }
 65                                                    65 
 66                                                    66 
 67                                                    67 
 68 G4int G4QMDNucleus::GetMassNumber()                68 G4int G4QMDNucleus::GetMassNumber()
 69 {                                                  69 {
 70                                                    70 
 71    G4int A = 0;                                    71    G4int A = 0; 
 72    std::vector< G4QMDParticipant* >::iterator      72    std::vector< G4QMDParticipant* >::iterator it; 
 73    for ( it = participants.begin() ; it != par     73    for ( it = participants.begin() ; it != participants.end() ; it++ ) 
 74    {                                               74    {
 75       if ( (*it)->GetDefinition() == G4Proton:     75       if ( (*it)->GetDefinition() == G4Proton::Proton() 
 76         || (*it)->GetDefinition() == G4Neutron     76         || (*it)->GetDefinition() == G4Neutron::Neutron() ) 
 77          A++;                                      77          A++; 
 78    }                                               78    }
 79                                                    79 
 80    if ( A == 0 ) {                                 80    if ( A == 0 ) {
 81       throw G4HadronicException(__FILE__, __LI     81       throw G4HadronicException(__FILE__, __LINE__, "G4QMDNucleus has the mass number of 0!");
 82    }                                               82    }
 83                                                    83 
 84    return A;                                       84    return A;
 85 }                                                  85 }
 86                                                    86 
 87                                                    87 
 88                                                    88 
 89 G4int G4QMDNucleus::GetAtomicNumber()              89 G4int G4QMDNucleus::GetAtomicNumber()
 90 {                                                  90 {
 91    G4int Z = 0;                                    91    G4int Z = 0; 
 92    std::vector< G4QMDParticipant* >::iterator      92    std::vector< G4QMDParticipant* >::iterator it; 
 93    for ( it = participants.begin() ; it != par     93    for ( it = participants.begin() ; it != participants.end() ; it++ ) 
 94    {                                               94    {
 95       if ( (*it)->GetDefinition() == G4Proton:     95       if ( (*it)->GetDefinition() == G4Proton::Proton() ) 
 96          Z++;                                      96          Z++; 
 97    }                                               97    }
 98    return Z;                                       98    return Z;
 99 }                                                  99 }
100                                                   100 
101                                                   101 
102                                                   102 
103 G4double G4QMDNucleus::GetNuclearMass()           103 G4double G4QMDNucleus::GetNuclearMass()
104 {                                                 104 {
105                                                   105 
106    G4double mass = G4NucleiProperties::GetNucl    106    G4double mass = G4NucleiProperties::GetNuclearMass( GetMassNumber() , GetAtomicNumber() );
107                                                   107    
108    if ( mass == 0.0 )                             108    if ( mass == 0.0 )
109    {                                              109    {
110                                                   110 
111       G4int Z = GetAtomicNumber();                111       G4int Z = GetAtomicNumber();
112       G4int A = GetMassNumber();                  112       G4int A = GetMassNumber();
113       G4int N = A - Z;                            113       G4int N = A - Z;
114                                                   114 
115 // Weizsacker-Bethe                               115 // Weizsacker-Bethe 
116                                                   116 
117       G4double Av = 16*MeV;                       117       G4double Av = 16*MeV; 
118       G4double As = 17*MeV;                       118       G4double As = 17*MeV; 
119       G4double Ac = 0.7*MeV;                      119       G4double Ac = 0.7*MeV; 
120       G4double Asym = 23*MeV;                     120       G4double Asym = 23*MeV; 
121                                                   121 
122       G4double BE = Av * A                        122       G4double BE = Av * A 
123                   - As * G4Pow::GetInstance()-    123                   - As * G4Pow::GetInstance()->A23 ( G4double ( A ) ) 
124                   - Ac * Z*Z/G4Pow::GetInstanc    124                   - Ac * Z*Z/G4Pow::GetInstance()->A13 ( G4double ( A ) )
125                   - Asym * ( N - Z )* ( N - Z     125                   - Asym * ( N - Z )* ( N - Z ) / A; 
126                                                   126 
127       mass = Z * G4Proton::Proton()->GetPDGMas    127       mass = Z * G4Proton::Proton()->GetPDGMass() 
128            + N * G4Neutron::Neutron()->GetPDGM    128            + N * G4Neutron::Neutron()->GetPDGMass()
129            - BE;                                  129            - BE;
130                                                   130 
131    }                                              131    }
132                                                   132 
133    return mass;                                   133    return mass;
134 }                                                 134 }
135                                                   135 
136                                                   136 
137                                                   137 
138 void G4QMDNucleus::CalEnergyAndAngularMomentum    138 void G4QMDNucleus::CalEnergyAndAngularMomentumInCM()
139 {                                                 139 {
140                                                   140 
141    //G4cout << "CalEnergyAndAngularMomentumInC    141    //G4cout << "CalEnergyAndAngularMomentumInCM " << this->GetAtomicNumber() << " " << GetMassNumber() << G4endl;
142                                                   142 
143    G4double gamma = Get4Momentum().gamma();       143    G4double gamma = Get4Momentum().gamma();
144    G4ThreeVector beta = Get4Momentum().v()/ Ge    144    G4ThreeVector beta = Get4Momentum().v()/ Get4Momentum().e();
145                                                   145 
146    G4ThreeVector pcm0( 0.0 ) ;                    146    G4ThreeVector pcm0( 0.0 ) ;
147                                                   147 
148    G4int n = GetTotalNumberOfParticipant();       148    G4int n = GetTotalNumberOfParticipant();
149    pcm.resize( n );                               149    pcm.resize( n );
150                                                   150 
151    for ( G4int i= 0; i < n ; i++ )                151    for ( G4int i= 0; i < n ; i++ ) 
152    {                                              152    {
153       G4ThreeVector p_i = GetParticipant( i )-    153       G4ThreeVector p_i = GetParticipant( i )->GetMomentum();
154                                                   154 
155       G4double trans = gamma / ( gamma + 1.0 )    155       G4double trans = gamma / ( gamma + 1.0 ) * p_i * beta; 
156       pcm[i] = p_i - trans*beta;                  156       pcm[i] = p_i - trans*beta;
157                                                   157 
158       pcm0 += pcm[i];                             158       pcm0 += pcm[i];
159    }                                              159    }
160                                                   160 
161    pcm0 = pcm0 / double ( n );                    161    pcm0 = pcm0 / double ( n );
162                                                   162 
163    //G4cout << "pcm0 " << pcm0 << G4endl;         163    //G4cout << "pcm0 " << pcm0 << G4endl;
164                                                   164 
165    for ( G4int i= 0; i < n ; i++ )                165    for ( G4int i= 0; i < n ; i++ ) 
166    {                                              166    {
167       pcm[i] += -pcm0;                            167       pcm[i] += -pcm0;
168       //G4cout << "pcm " << i << " " << pcm[i]    168       //G4cout << "pcm " << i << " " << pcm[i] << G4endl;
169    }                                              169    }
170                                                   170 
171                                                   171 
172    G4double tmass = 0;                            172    G4double tmass = 0;
173    G4ThreeVector rcm0( 0.0 ) ;                    173    G4ThreeVector rcm0( 0.0 ) ;
174    rcm.resize( n );                               174    rcm.resize( n );
175    es.resize( n );                                175    es.resize( n );
176                                                   176 
177    for ( G4int i= 0; i < n ; i++ )                177    for ( G4int i= 0; i < n ; i++ ) 
178    {                                              178    {
179       G4ThreeVector ri = GetParticipant( i )->    179       G4ThreeVector ri = GetParticipant( i )->GetPosition();
180       G4double trans = gamma / ( gamma + 1.0 )    180       G4double trans = gamma / ( gamma + 1.0 ) * ri * beta; 
181                                                   181 
182       es[i] = std::sqrt ( G4Pow::GetInstance()    182       es[i] = std::sqrt ( G4Pow::GetInstance()->powN ( GetParticipant( i )->GetMass() , 2 ) + pcm[i]*pcm[i] );
183                                                   183 
184       rcm[i] = ri + trans*beta;                   184       rcm[i] = ri + trans*beta;
185                                                   185 
186       rcm0 += rcm[i]*es[i];                       186       rcm0 += rcm[i]*es[i];
187                                                   187 
188       tmass += es[i];                             188       tmass += es[i];
189    }                                              189    }
190                                                   190 
191    rcm0 = rcm0/tmass;                             191    rcm0 = rcm0/tmass;
192                                                   192 
193    for ( G4int i= 0; i < n ; i++ )                193    for ( G4int i= 0; i < n ; i++ ) 
194    {                                              194    {
195       rcm[i] += -rcm0;                            195       rcm[i] += -rcm0;
196       //G4cout << "rcm " << i << " " << rcm[i]    196       //G4cout << "rcm " << i << " " << rcm[i] << G4endl;
197    }                                              197    }
198                                                   198 
199 // Angular momentum                               199 // Angular momentum
200                                                   200 
201    G4ThreeVector rl ( 0.0 );                      201    G4ThreeVector rl ( 0.0 ); 
202    for ( G4int i= 0; i < n ; i++ )                202    for ( G4int i= 0; i < n ; i++ ) 
203    {                                              203    {
204       rl += rcm[i].cross ( pcm[i] );              204       rl += rcm[i].cross ( pcm[i] );
205    }                                              205    }
206                                                   206 
207 // DHW: move hbc outside of sqrt to get correc    207 // DHW: move hbc outside of sqrt to get correct units
208 //  jj = int ( std::sqrt ( rl*rl / hbc ) + 0.5    208 //  jj = int ( std::sqrt ( rl*rl / hbc ) + 0.5 );
209                                                   209 
210    jj = int (std::sqrt(rl*rl)/hbc + 0.5);         210    jj = int (std::sqrt(rl*rl)/hbc + 0.5);
211                                                   211 
212 // kinetic energy per nucleon in CM               212 // kinetic energy per nucleon in CM
213                                                   213 
214    G4double totalMass = 0.0;                      214    G4double totalMass = 0.0;
215    for ( G4int i= 0; i < n ; i++ )                215    for ( G4int i= 0; i < n ; i++ ) 
216    {                                              216    {
217       // following two lines are equivalent       217       // following two lines are equivalent
218       //totalMass += GetParticipant( i )->GetD    218       //totalMass += GetParticipant( i )->GetDefinition()->GetPDGMass()/GeV;
219       totalMass += GetParticipant( i )->GetMas    219       totalMass += GetParticipant( i )->GetMass();
220    }                                              220    }
221                                                   221 
222    //G4double kineticEnergyPerNucleon = ( std:    222    //G4double kineticEnergyPerNucleon = ( std::accumulate ( es.begin() , es.end() , 0.0 ) - totalMass )/n;
223                                                   223 
224 // Total (not per nucleion ) Binding Energy       224 // Total (not per nucleion ) Binding Energy 
225    G4double bindingEnergy =  ( std::accumulate    225    G4double bindingEnergy =  ( std::accumulate ( es.begin() , es.end() , 0.0 ) -totalMass ) + potentialEnergy;
226                                                   226 
227    //G4cout << "KineticEnergyPerNucleon in GeV    227    //G4cout << "KineticEnergyPerNucleon in GeV " << kineticEnergyPerNucleon << G4endl;
228    //G4cout << "KineticEnergySum in GeV " << s    228    //G4cout << "KineticEnergySum in GeV " << std::accumulate ( es.begin() , es.end() , 0.0 ) - totalMass << G4endl;
229    //G4cout << "PotentialEnergy in GeV " << po    229    //G4cout << "PotentialEnergy in GeV " << potentialEnergy << G4endl;
230    //G4cout << "BindingEnergy in GeV " << bind    230    //G4cout << "BindingEnergy in GeV " << bindingEnergy << G4endl;
231    //G4cout << "G4BindingEnergy in GeV " << G4    231    //G4cout << "G4BindingEnergy in GeV " << G4NucleiProperties::GetBindingEnergy( GetAtomicNumber() , GetMassNumber() )/GeV << G4endl;
232                                                   232 
233    excitationEnergy = bindingEnergy + G4Nuclei    233    excitationEnergy = bindingEnergy + G4NucleiProperties::GetBindingEnergy( GetMassNumber() , GetAtomicNumber() )/GeV;
234    //G4cout << "excitationEnergy in GeV " << e    234    //G4cout << "excitationEnergy in GeV " << excitationEnergy << G4endl;
235    if ( excitationEnergy < 0 ) excitationEnerg    235    if ( excitationEnergy < 0 ) excitationEnergy = 0.0; 
236                                                   236 
237 }                                                 237 }
238                                                   238