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25 // 25 //
26 // Author: Zhuxin Li@CENBG 26 // Author: Zhuxin Li@CENBG
27 // 11 March 2020 27 // 11 March 2020
28 // on the base of G4LivermoreGammaConv << 28 // on the base of G4LivermoreGammaConversionModel
29 // derives from G4BetheHeitler5DModel << 29 // derives from G4BetheHeitler5DModel
30 // ------------------------------------------- 30 // -------------------------------------------------------------------
31 31
32 #include "G4LivermoreGammaConversion5DModel.hh 32 #include "G4LivermoreGammaConversion5DModel.hh"
33 <<
34 #include "G4AutoLock.hh" <<
35 #include "G4Electron.hh" 33 #include "G4Electron.hh"
>> 34 #include "G4Positron.hh"
36 #include "G4EmParameters.hh" 35 #include "G4EmParameters.hh"
37 #include "G4Exp.hh" <<
38 #include "G4ParticleChangeForGamma.hh" 36 #include "G4ParticleChangeForGamma.hh"
39 #include "G4PhysicalConstants.hh" <<
40 #include "G4PhysicsFreeVector.hh" 37 #include "G4PhysicsFreeVector.hh"
>> 38 #include "G4PhysicsLogVector.hh"
>> 39 #include "G4ProductionCutsTable.hh"
>> 40 #include "G4PhysicalConstants.hh"
41 #include "G4SystemOfUnits.hh" 41 #include "G4SystemOfUnits.hh"
>> 42 #include "G4Exp.hh"
>> 43 #include "G4AutoLock.hh"
42 44
43 namespace << 45 namespace { G4Mutex LivermoreGammaConversion5DModelMutex = G4MUTEX_INITIALIZER; }
44 { <<
45 G4Mutex LivermoreGammaConversion5DModelMutex = <<
46 } <<
47 46
48 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
49 //....oooOO0OOooo........oooOO0OOooo........oo 48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
50 49
>> 50 const G4int G4LivermoreGammaConversion5DModel::maxZ;
>> 51 G4double G4LivermoreGammaConversion5DModel::lowEnergyLimit = 2.*CLHEP::electron_mass_c2;
51 G4PhysicsFreeVector* G4LivermoreGammaConversio 52 G4PhysicsFreeVector* G4LivermoreGammaConversion5DModel::data[] = {nullptr};
52 G4String G4LivermoreGammaConversion5DModel::gD <<
53 53
54 G4LivermoreGammaConversion5DModel::G4Livermore << 54 G4LivermoreGammaConversion5DModel::G4LivermoreGammaConversion5DModel(const G4ParticleDefinition* p,
55 << 55 const G4String& nam)
56 : G4BetheHeitler5DModel(p, nam) << 56 : G4BetheHeitler5DModel(p, nam), fParticleChange(nullptr)
57 { 57 {
58 fParticleChange = nullptr; <<
59 lowEnergyLimit = 2. * CLHEP::electron_mass_c <<
60 verboseLevel = 0; 58 verboseLevel = 0;
61 // Verbosity scale for debugging purposes: 59 // Verbosity scale for debugging purposes:
62 // 0 = nothing << 60 // 0 = nothing
63 // 1 = calculation of cross sections, file o 61 // 1 = calculation of cross sections, file openings...
64 // 2 = entering in methods 62 // 2 = entering in methods
65 if (verboseLevel > 0) { << 63 if(verboseLevel > 0)
>> 64 {
66 G4cout << "G4LivermoreGammaConversion5DMod 65 G4cout << "G4LivermoreGammaConversion5DModel is constructed " << G4endl;
67 } 66 }
68 } 67 }
69 68
70 //....oooOO0OOooo........oooOO0OOooo........oo 69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
71 70
72 G4LivermoreGammaConversion5DModel::~G4Livermor 71 G4LivermoreGammaConversion5DModel::~G4LivermoreGammaConversion5DModel()
73 { 72 {
74 if (IsMaster()) { << 73 if(IsMaster()) {
75 for (G4int i = 0; i < maxZ; ++i) { << 74 for(G4int i=0; i<maxZ; ++i) {
76 if (data[i]) { << 75 if(data[i]) {
77 delete data[i]; << 76 delete data[i];
78 data[i] = nullptr; << 77 data[i] = nullptr;
79 } <<
80 } <<
81 } <<
82 } <<
83 <<
84 //....oooOO0OOooo........oooOO0OOooo........oo <<
85 <<
86 void G4LivermoreGammaConversion5DModel::Initia <<
87 <<
88 { <<
89 G4BetheHeitler5DModel::Initialise(particle, <<
90 <<
91 if (verboseLevel > 1) { <<
92 G4cout << "Calling Initialise() of G4Liver <<
93 << "Energy range: " << LowEnergyLim <<
94 << " GeV isMater: " << IsMaster() < <<
95 } <<
96 <<
97 if (IsMaster()) { <<
98 // Initialise element selector <<
99 InitialiseElementSelectors(particle, cuts) <<
100 <<
101 // Access to elements <<
102 const G4ElementTable* elemTable = G4Elemen <<
103 std::size_t numElems = (*elemTable).size() <<
104 for (std::size_t ie = 0; ie < numElems; ++ <<
105 const G4Element* elem = (*elemTable)[ie] <<
106 const G4int Z = std::min(maxZ, elem->Get <<
107 if (data[Z] == nullptr) { <<
108 ReadData(Z); <<
109 } 78 }
110 } 79 }
111 } 80 }
112 <<
113 if (isInitialised) { <<
114 return; <<
115 } <<
116 fParticleChange = GetParticleChangeForGamma( <<
117 isInitialised = true; <<
118 } 81 }
119 82
120 //....oooOO0OOooo........oooOO0OOooo........oo 83 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
121 84
122 const G4String& G4LivermoreGammaConversion5DMo << 85 void
123 { << 86 G4LivermoreGammaConversion5DModel::Initialise( const G4ParticleDefinition* particle,
124 // no check in this method - environment var << 87 const G4DataVector& cuts)
125 if (gDataDirectory.empty()) { << 88 {
126 auto param = G4EmParameters::Instance(); << 89 G4BetheHeitler5DModel::Initialise(particle, cuts);
127 std::ostringstream ost; << 90
128 if (param->LivermoreDataDir() == "livermor << 91 if (verboseLevel > 1)
129 ost << param->GetDirLEDATA() << "/liverm << 92 {
130 useSpline = true; << 93 G4cout << "Calling Initialise() of G4LivermoreGammaConversion5DModel."
>> 94 << G4endl
>> 95 << "Energy range: "
>> 96 << LowEnergyLimit() / MeV << " MeV - "
>> 97 << HighEnergyLimit() / GeV << " GeV isMater: " << IsMaster()
>> 98 << G4endl;
>> 99 }
>> 100
>> 101 if(!fParticleChange) {
>> 102 fParticleChange = GetParticleChangeForGamma();
>> 103 }
>> 104
>> 105 if(IsMaster())
>> 106 {
>> 107 // Initialise element selector
>> 108 InitialiseElementSelectors(particle, cuts);
>> 109 // Access to elements
>> 110 char* path = std::getenv("G4LEDATA");
>> 111 G4ProductionCutsTable* theCoupleTable =
>> 112 G4ProductionCutsTable::GetProductionCutsTable();
>> 113 G4int numOfCouples = theCoupleTable->GetTableSize();
>> 114 for(G4int i=0; i<numOfCouples; ++i)
>> 115 {
>> 116 const G4MaterialCutsCouple* couple = theCoupleTable->GetMaterialCutsCouple(i);
>> 117 SetCurrentCouple(couple);
>> 118 const G4Material* mat = couple->GetMaterial();
>> 119 const G4ElementVector* theElementVector = mat->GetElementVector();
>> 120 G4int nelm = mat->GetNumberOfElements();
>> 121 for (G4int j=0; j<nelm; ++j)
>> 122 {
>> 123 G4int Z = std::max(1, std::min((*theElementVector)[j]->GetZasInt(), maxZ));
>> 124 if(!data[Z]) { ReadData(Z, path); }
>> 125 }
>> 126 }
>> 127 }
>> 128 }
>> 129
>> 130 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 131
>> 132 void G4LivermoreGammaConversion5DModel::ReadData(size_t Z, const char* path)
>> 133 {
>> 134 if (verboseLevel > 1)
>> 135 {
>> 136 G4cout << "Calling ReadData() of G4LivermoreGammaConversion5DModel"
>> 137 << G4endl;
>> 138 }
>> 139
>> 140 if(data[Z]) { return; }
>> 141 const char* datadir = path;
>> 142 if(!datadir)
>> 143 {
>> 144 datadir = std::getenv("G4LEDATA");
>> 145 if(!datadir)
>> 146 {
>> 147 G4Exception("G4LivermoreGammaConversion5DModel::ReadData()",
>> 148 "em0006",FatalException,
>> 149 "Environment variable G4LEDATA not defined");
>> 150 return;
131 } 151 }
132 else { <<
133 ost << param->GetDirLEDATA() << "/epics2 <<
134 } <<
135 gDataDirectory = ost.str(); <<
136 } 152 }
137 return gDataDirectory; << 153 data[Z] = new G4PhysicsFreeVector();
138 } <<
139 <<
140 //....oooOO0OOooo........oooOO0OOooo........oo <<
141 <<
142 void G4LivermoreGammaConversion5DModel::ReadDa <<
143 { <<
144 if (verboseLevel > 1) { <<
145 G4cout << "Calling ReadData() of G4Livermo <<
146 } <<
147 <<
148 if (data[Z]) { <<
149 return; <<
150 } <<
151 <<
152 std::ostringstream ost; 154 std::ostringstream ost;
153 ost << FindDirectoryPath() << "pp-cs-" << Z << 155 ost << datadir << "/epics2017/pair/pp-cs-" << Z <<".dat";
154 <<
155 data[Z] = new G4PhysicsFreeVector(useSpline) <<
156 <<
157 std::ifstream fin(ost.str().c_str()); 156 std::ifstream fin(ost.str().c_str());
158 << 157
159 if (!fin.is_open()) { << 158 if( !fin.is_open())
>> 159 {
160 G4ExceptionDescription ed; 160 G4ExceptionDescription ed;
161 ed << "G4LivermoreGammaConversion5DModel d << 161 ed << "G4LivermoreGammaConversion5DModel data file <" << ost.str().c_str()
162 << G4endl; << 162 << "> is not opened!" << G4endl;
163 G4Exception("G4LivermoreGammaConversion5DM << 163 G4Exception("G4LivermoreGammaConversion5DModel::ReadData()",
164 "G4LEDATA version should be G4 << 164 "em0003",FatalException,
>> 165 ed,"G4LEDATA version should be G4EMLOW6.27 or later.");
165 return; 166 return;
166 } << 167 }
167 else { << 168 else
168 if (verboseLevel > 1) { << 169 {
169 G4cout << "File " << ost.str() << " is o << 170 if(verboseLevel > 1) { G4cout << "File " << ost.str()
170 } << 171 << " is opened by G4LivermoreGammaConversion5DModel" << G4endl;}
171 data[Z]->Retrieve(fin, true); << 172 data[Z]->Retrieve(fin, true);
172 } << 173 }
173 // Activation of spline interpolation <<
174 if (useSpline) data[Z]->FillSecondDerivative <<
175 } 174 }
176 175
177 //....oooOO0OOooo........oooOO0OOooo........oo 176 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
178 177
179 G4double << 178 G4double
180 G4LivermoreGammaConversion5DModel::ComputeCros << 179 G4LivermoreGammaConversion5DModel::ComputeCrossSectionPerAtom(
181 << 180 const G4ParticleDefinition* particle, G4double GammaEnergy, G4double Z,
182 << 181 G4double, G4double, G4double)
183 { << 182 {
184 if (verboseLevel > 1) { << 183 if (verboseLevel > 1)
185 G4cout << "G4LivermoreGammaConversion5DMod << 184 {
>> 185 G4cout << "G4LivermoreGammaConversion5DModel::ComputeCrossSectionPerAtom() Z= "
>> 186 << Z << G4endl;
186 } 187 }
187 G4double xs = 0.0; 188 G4double xs = 0.0;
188 if (GammaEnergy < lowEnergyLimit) { << 189 if (GammaEnergy < lowEnergyLimit) { return xs; }
189 return xs; << 190
190 } <<
191 <<
192 G4int intZ = std::max(1, std::min(G4lrint(Z) 191 G4int intZ = std::max(1, std::min(G4lrint(Z), maxZ));
193 G4PhysicsFreeVector* pv = data[intZ]; 192 G4PhysicsFreeVector* pv = data[intZ];
194 // if element was not initialised 193 // if element was not initialised
195 // do initialisation safely for MT mode 194 // do initialisation safely for MT mode
196 if (!pv) { << 195 if(!pv)
>> 196 {
197 InitialiseForElement(particle, intZ); 197 InitialiseForElement(particle, intZ);
198 pv = data[intZ]; 198 pv = data[intZ];
199 if (!pv) { << 199 if(!pv) { return xs; }
200 return xs; <<
201 } <<
202 } 200 }
203 // x-section is taken from the table 201 // x-section is taken from the table
204 xs = pv->Value(GammaEnergy); << 202 xs = pv->Value(GammaEnergy);
205 if (verboseLevel > 0) { << 203 if(verboseLevel > 0)
206 G4cout << "*** Gamma conversion xs for Z=" << 204 {
207 << " cs=" << xs / millibarn << " m << 205 G4cout << "*** Gamma conversion xs for Z=" << Z << " at energy E(MeV)="
>> 206 << GammaEnergy/MeV << " cs=" << xs/millibarn << " mb" << G4endl;
208 } 207 }
209 return xs; 208 return xs;
210 } 209 }
211 210
212 //....oooOO0OOooo........oooOO0OOooo........oo 211 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
213 212
214 void G4LivermoreGammaConversion5DModel::Initia << 213 void G4LivermoreGammaConversion5DModel::InitialiseForElement(
>> 214 const G4ParticleDefinition*,
>> 215 G4int Z)
215 { 216 {
216 G4AutoLock l(&LivermoreGammaConversion5DMode 217 G4AutoLock l(&LivermoreGammaConversion5DModelMutex);
217 if (!data[Z]) { << 218 if(!data[Z]) { ReadData(Z); }
218 ReadData(Z); <<
219 } <<
220 l.unlock(); 219 l.unlock();
221 } 220 }
222 221
223 //....oooOO0OOooo........oooOO0OOooo........oo 222 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
224 223