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25 // 25 //
>> 26 //
>> 27 //
26 // ------------------------------------------- 28 // --------------------------------------------------------------
27 // GEANT 4 class implementation file 29 // GEANT 4 class implementation file
>> 30 // CERN Geneva Switzerland
28 // 31 //
29 // History: first implementation, 32 // History: first implementation,
30 // 21-5-98 V.Grichine 33 // 21-5-98 V.Grichine
31 // 28-05-01, V.Ivanchenko minor changes t 34 // 28-05-01, V.Ivanchenko minor changes to provide ANSI -wall compilation
32 // 04.03.05, V.Grichine: get local field 35 // 04.03.05, V.Grichine: get local field interface
33 // 19-05-06, V.Ivanchenko rename from G4S 36 // 19-05-06, V.Ivanchenko rename from G4SynchrotronRadiation
34 // 37 //
>> 38 //
35 ////////////////////////////////////////////// 39 ///////////////////////////////////////////////////////////////////////////
36 40
37 #include "G4SynchrotronRadiationInMat.hh" 41 #include "G4SynchrotronRadiationInMat.hh"
38 <<
39 #include "G4EmProcessSubType.hh" <<
40 #include "G4Field.hh" <<
41 #include "G4FieldManager.hh" <<
42 #include "G4Integrator.hh" <<
43 #include "G4PhysicalConstants.hh" 42 #include "G4PhysicalConstants.hh"
44 #include "G4PropagatorInField.hh" <<
45 #include "G4SystemOfUnits.hh" 43 #include "G4SystemOfUnits.hh"
46 #include "G4PhysicsModelCatalog.hh" << 44 #include "G4Integrator.hh"
>> 45 #include "G4EmProcessSubType.hh"
47 46
48 const G4double G4SynchrotronRadiationInMat::fI << 47 ////////////////////////////////////////////////////////////////////
49 1.000000e+00, 9.428859e-01, 9.094095e-01, 8. << 48 //
50 8.337008e-01, 8.124961e-01, 7.925217e-01, 7. << 49 // Constant for calculation of mean free path
51 7.381233e-01, 7.214521e-01, 7.053634e-01, 6. << 50 //
52 6.600922e-01, 6.458793e-01, 6.320533e-01, 6. << 51
53 5.926459e-01, 5.801347e-01, 5.679103e-01, 5. << 52 const G4double
54 5.328395e-01, 5.216482e-01, 5.106904e-01, 4. << 53 G4SynchrotronRadiationInMat::fLambdaConst = std::sqrt(3.0)*electron_mass_c2/
55 4.791351e-01, 4.690316e-01, 4.591249e-01, 4. << 54 (2.5*fine_structure_const*eplus*c_light) ;
56 4.305320e-01, 4.213608e-01, 4.123623e-01, 4. << 55
57 3.863639e-01, 3.780179e-01, 3.698262e-01, 3. << 56 /////////////////////////////////////////////////////////////////////
58 3.461460e-01, 3.385411e-01, 3.310757e-01, 3. << 57 //
59 3.094921e-01, 3.025605e-01, 2.957566e-01, 2. << 58 // Constant for calculation of characterictic energy
60 2.760907e-01, 2.697773e-01, 2.635817e-01, 2. << 59 //
61 2.456834e-01, 2.399409e-01, 2.343074e-01, 2. <<
62 2.180442e-01, 2.128303e-01, 2.077174e-01, 2. <<
63 1.929696e-01, 1.882457e-01, 1.836155e-01, 1. <<
64 1.702730e-01, 1.660036e-01, 1.618212e-01, 1. <<
65 1.497822e-01, 1.459344e-01, 1.421671e-01, 1. <<
66 1.313360e-01, 1.278785e-01, 1.244956e-01, 1. <<
67 1.147818e-01, 1.116850e-01, 1.086570e-01, 1. <<
68 9.997405e-02, 9.720975e-02, 9.450865e-02, 9. <<
69 8.677391e-02, 8.431501e-02, 8.191406e-02, 7. <<
70 7.504872e-02, 7.286944e-02, 7.074311e-02, 6. <<
71 6.467208e-02, 6.274790e-02, 6.087191e-02, 5. <<
72 5.552387e-02, 5.383150e-02, 5.218282e-02, 5. <<
73 4.749020e-02, 4.600763e-02, 4.456450e-02, 4. <<
74 4.046353e-02, 3.917002e-02, 3.791195e-02, 3. <<
75 3.434274e-02, 3.321884e-02, 3.212665e-02, 3. <<
76 2.903319e-02, 2.806076e-02, 2.711656e-02, 2. <<
77 2.444677e-02, 2.360897e-02, 2.279620e-02, 2. <<
78 2.050194e-02, 1.978324e-02, 1.908662e-02, 1. <<
79 1.712363e-02, 1.650979e-02, 1.591533e-02, 1. <<
80 1.424314e-02, 1.372117e-02, 1.321613e-02, 1. <<
81 1.179798e-02, 1.135611e-02, 1.092896e-02, 1. <<
82 9.731635e-03, 9.359254e-03, 8.999595e-03, 8. <<
83 7.993280e-03, 7.680879e-03, 7.379426e-03, 7. <<
84 6.537491e-03, 6.276605e-03, 6.025092e-03, 5. <<
85 5.323912e-03, 5.107045e-03, 4.898164e-03, 4. <<
86 4.316896e-03, 4.137454e-03, 3.964780e-03, 3. <<
87 3.485150e-03, 3.337364e-03, 3.195284e-03, 3. <<
88 2.801361e-03, 2.680213e-03, 2.563852e-03, 2. <<
89 }; <<
90 60
91 ////////////////////////////////////////////// << 61 const G4double
>> 62 G4SynchrotronRadiationInMat::fEnergyConst = 1.5*c_light*c_light*eplus*hbar_Planck/
>> 63 electron_mass_c2 ;
>> 64
>> 65 ////////////////////////////////////////////////////////////////////
>> 66 //
>> 67 // Array of integral probability of synchrotron photons:
>> 68 //
>> 69 // the corresponding energy = 0.0001*i*i*(characteristic energy)
>> 70 //
>> 71
>> 72 const G4double
>> 73 G4SynchrotronRadiationInMat::fIntegralProbabilityOfSR[200] =
>> 74 {
>> 75 1.000000e+00, 9.428859e-01, 9.094095e-01, 8.813971e-01, 8.565154e-01,
>> 76 8.337008e-01, 8.124961e-01, 7.925217e-01, 7.735517e-01, 7.554561e-01,
>> 77 7.381233e-01, 7.214521e-01, 7.053634e-01, 6.898006e-01, 6.747219e-01,
>> 78 6.600922e-01, 6.458793e-01, 6.320533e-01, 6.185872e-01, 6.054579e-01,
>> 79 5.926459e-01, 5.801347e-01, 5.679103e-01, 5.559604e-01, 5.442736e-01,
>> 80 5.328395e-01, 5.216482e-01, 5.106904e-01, 4.999575e-01, 4.894415e-01,
>> 81 4.791351e-01, 4.690316e-01, 4.591249e-01, 4.494094e-01, 4.398800e-01,
>> 82 4.305320e-01, 4.213608e-01, 4.123623e-01, 4.035325e-01, 3.948676e-01,
>> 83 3.863639e-01, 3.780179e-01, 3.698262e-01, 3.617858e-01, 3.538933e-01,
>> 84 3.461460e-01, 3.385411e-01, 3.310757e-01, 3.237474e-01, 3.165536e-01,
>> 85 3.094921e-01, 3.025605e-01, 2.957566e-01, 2.890784e-01, 2.825237e-01,
>> 86 2.760907e-01, 2.697773e-01, 2.635817e-01, 2.575020e-01, 2.515365e-01,
>> 87 2.456834e-01, 2.399409e-01, 2.343074e-01, 2.287812e-01, 2.233607e-01,
>> 88 2.180442e-01, 2.128303e-01, 2.077174e-01, 2.027040e-01, 1.977885e-01,
>> 89 1.929696e-01, 1.882457e-01, 1.836155e-01, 1.790775e-01, 1.746305e-01,
>> 90 1.702730e-01, 1.660036e-01, 1.618212e-01, 1.577243e-01, 1.537117e-01,
>> 91 1.497822e-01, 1.459344e-01, 1.421671e-01, 1.384791e-01, 1.348691e-01,
>> 92 1.313360e-01, 1.278785e-01, 1.244956e-01, 1.211859e-01, 1.179483e-01,
>> 93 1.147818e-01, 1.116850e-01, 1.086570e-01, 1.056966e-01, 1.028026e-01,
>> 94 9.997405e-02, 9.720975e-02, 9.450865e-02, 9.186969e-02, 8.929179e-02,
>> 95 8.677391e-02, 8.431501e-02, 8.191406e-02, 7.957003e-02, 7.728192e-02,
>> 96 7.504872e-02, 7.286944e-02, 7.074311e-02, 6.866874e-02, 6.664538e-02,
>> 97 6.467208e-02, 6.274790e-02, 6.087191e-02, 5.904317e-02, 5.726079e-02,
>> 98 5.552387e-02, 5.383150e-02, 5.218282e-02, 5.057695e-02, 4.901302e-02,
>> 99 4.749020e-02, 4.600763e-02, 4.456450e-02, 4.315997e-02, 4.179325e-02,
>> 100 4.046353e-02, 3.917002e-02, 3.791195e-02, 3.668855e-02, 3.549906e-02,
>> 101 3.434274e-02, 3.321884e-02, 3.212665e-02, 3.106544e-02, 3.003452e-02,
>> 102 2.903319e-02, 2.806076e-02, 2.711656e-02, 2.619993e-02, 2.531021e-02,
>> 103 2.444677e-02, 2.360897e-02, 2.279620e-02, 2.200783e-02, 2.124327e-02,
>> 104 2.050194e-02, 1.978324e-02, 1.908662e-02, 1.841151e-02, 1.775735e-02,
>> 105 1.712363e-02, 1.650979e-02, 1.591533e-02, 1.533973e-02, 1.478250e-02,
>> 106 1.424314e-02, 1.372117e-02, 1.321613e-02, 1.272755e-02, 1.225498e-02,
>> 107 1.179798e-02, 1.135611e-02, 1.092896e-02, 1.051609e-02, 1.011712e-02,
>> 108 9.731635e-03, 9.359254e-03, 8.999595e-03, 8.652287e-03, 8.316967e-03,
>> 109 7.993280e-03, 7.680879e-03, 7.379426e-03, 7.088591e-03, 6.808051e-03,
>> 110 6.537491e-03, 6.276605e-03, 6.025092e-03, 5.782661e-03, 5.549027e-03,
>> 111 5.323912e-03, 5.107045e-03, 4.898164e-03, 4.697011e-03, 4.503336e-03,
>> 112 4.316896e-03, 4.137454e-03, 3.964780e-03, 3.798649e-03, 3.638843e-03,
>> 113 3.485150e-03, 3.337364e-03, 3.195284e-03, 3.058715e-03, 2.927469e-03,
>> 114 2.801361e-03, 2.680213e-03, 2.563852e-03, 2.452110e-03, 2.344824e-03
>> 115 };
>> 116
>> 117 ///////////////////////////////////////////////////////////////////////
>> 118 //
92 // Constructor 119 // Constructor
93 G4SynchrotronRadiationInMat::G4SynchrotronRadi << 120 //
94 const G4String& processName, G4ProcessType t << 121
95 : G4VDiscreteProcess(processName, type) << 122 G4SynchrotronRadiationInMat::G4SynchrotronRadiationInMat(const G4String& processName,
96 , theGamma(G4Gamma::Gamma()) << 123 G4ProcessType type):G4VDiscreteProcess (processName, type),
97 , theElectron(G4Electron::Electron()) << 124 LowestKineticEnergy (10.*keV),
98 , thePositron(G4Positron::Positron()) << 125 theGamma (G4Gamma::Gamma() ),
99 , LowestKineticEnergy(10. * keV) << 126 theElectron ( G4Electron::Electron() ),
100 , fAlpha(0.0) << 127 thePositron ( G4Positron::Positron() ),
101 , fRootNumber(80) << 128 fAlpha(0.0), fRootNumber(80),
102 , fVerboseLevel(verboseLevel) << 129 fVerboseLevel( verboseLevel )
103 { 130 {
104 G4TransportationManager* transportMgr = << 131 G4TransportationManager* transportMgr = G4TransportationManager::GetTransportationManager();
105 G4TransportationManager::GetTransportation <<
106 132
107 fFieldPropagator = transportMgr->GetPropagat 133 fFieldPropagator = transportMgr->GetPropagatorInField();
108 secID = G4PhysicsModelCatalog::GetModelID("m <<
109 SetProcessSubType(fSynchrotronRadiation); 134 SetProcessSubType(fSynchrotronRadiation);
110 CutInRange = GammaCutInKineticEnergyNow = El << 135 CutInRange = GammaCutInKineticEnergyNow = ElectronCutInKineticEnergyNow =
111 PositronCutInKineticEnergyNow = ParticleCu << 136 PositronCutInKineticEnergyNow = ParticleCutInKineticEnergyNow = fKsi =
112 fPsiGamma = fEta = fOrderAngleK = 0.0; << 137 fPsiGamma = fEta = fOrderAngleK = 0.0;
113 } 138 }
114 << 139
115 ////////////////////////////////////////////// 140 /////////////////////////////////////////////////////////////////////////
>> 141 //
116 // Destructor 142 // Destructor
117 G4SynchrotronRadiationInMat::~G4SynchrotronRad << 143 //
>> 144
>> 145 G4SynchrotronRadiationInMat::~G4SynchrotronRadiationInMat()
>> 146 {}
>> 147
118 148
119 G4bool G4SynchrotronRadiationInMat::IsApplicab << 149 G4bool
120 const G4ParticleDefinition& particle) << 150 G4SynchrotronRadiationInMat::IsApplicable( const G4ParticleDefinition& particle )
121 { 151 {
122 return ((&particle == (const G4ParticleDefin << 152 return ( ( &particle == (const G4ParticleDefinition *)theElectron ) ||
123 (&particle == (const G4ParticleDefin << 153 ( &particle == (const G4ParticleDefinition *)thePositron ));
124 } 154 }
125 155
126 G4double G4SynchrotronRadiationInMat::GetLambd << 156 G4double G4SynchrotronRadiationInMat::GetLambdaConst()
127 << 157 {
128 G4double G4SynchrotronRadiationInMat::GetEnerg << 158 return fLambdaConst;
>> 159 }
129 160
>> 161 G4double G4SynchrotronRadiationInMat::GetEnergyConst()
>> 162 {
>> 163 return fEnergyConst;
>> 164 }
>> 165
>> 166 /////////////////////////////// METHODS /////////////////////////////////
>> 167 //
>> 168 //
130 // Production of synchrotron X-ray photon 169 // Production of synchrotron X-ray photon
131 // Geant4 internal units. << 170 // GEANT4 internal units.
132 G4double G4SynchrotronRadiationInMat::GetMeanF << 171 //
133 const G4Track& trackData, G4double, G4ForceC << 172
>> 173
>> 174 G4double
>> 175 G4SynchrotronRadiationInMat::GetMeanFreePath( const G4Track& trackData,
>> 176 G4double,
>> 177 G4ForceCondition* condition)
134 { 178 {
135 // gives the MeanFreePath in GEANT4 internal 179 // gives the MeanFreePath in GEANT4 internal units
136 G4double MeanFreePath; 180 G4double MeanFreePath;
137 181
138 const G4DynamicParticle* aDynamicParticle = 182 const G4DynamicParticle* aDynamicParticle = trackData.GetDynamicParticle();
>> 183 // G4Material* aMaterial = trackData.GetMaterial();
139 184
140 *condition = NotForced; << 185 //G4bool isOutRange ;
>> 186
>> 187 *condition = NotForced ;
141 188
142 G4double gamma = << 189 G4double gamma = aDynamicParticle->GetTotalEnergy()/
143 aDynamicParticle->GetTotalEnergy() / aDyna << 190 aDynamicParticle->GetMass();
144 191
145 G4double particleCharge = aDynamicParticle-> 192 G4double particleCharge = aDynamicParticle->GetDefinition()->GetPDGCharge();
146 193
147 G4double KineticEnergy = aDynamicParticle->G 194 G4double KineticEnergy = aDynamicParticle->GetKineticEnergy();
148 195
149 if(KineticEnergy < LowestKineticEnergy || ga << 196 if ( KineticEnergy < LowestKineticEnergy || gamma < 1.0e3 ) MeanFreePath = DBL_MAX;
150 MeanFreePath = DBL_MAX; <<
151 else 197 else
152 { 198 {
153 G4ThreeVector FieldValue; <<
154 const G4Field* pField = nullptr; <<
155 199
156 G4FieldManager* fieldMgr = nullptr; << 200 G4ThreeVector FieldValue;
157 G4bool fieldExertsForce = false; << 201 const G4Field* pField = nullptr;
>> 202
>> 203 G4FieldManager* fieldMgr=nullptr;
>> 204 G4bool fieldExertsForce = false;
158 205
159 if((particleCharge != 0.0)) << 206 if( (particleCharge != 0.0) )
160 { 207 {
161 fieldMgr = << 208 fieldMgr = fFieldPropagator->FindAndSetFieldManager( trackData.GetVolume() );
162 fFieldPropagator->FindAndSetFieldManag <<
163 209
164 if(fieldMgr != nullptr) << 210 if ( fieldMgr != nullptr )
165 { 211 {
166 // If the field manager has no field, 212 // If the field manager has no field, there is no field !
167 fieldExertsForce = (fieldMgr->GetDetec << 213
>> 214 fieldExertsForce = ( fieldMgr->GetDetectorField() != nullptr );
168 } 215 }
169 } 216 }
170 if(fieldExertsForce) << 217 if ( fieldExertsForce )
171 { << 218 {
172 pField = fieldMgr->G << 219 pField = fieldMgr->GetDetectorField() ;
173 G4ThreeVector globPosition = trackData.G << 220 G4ThreeVector globPosition = trackData.GetPosition();
174 221
175 G4double globPosVec[4], FieldValueVec[6] << 222 G4double globPosVec[4], FieldValueVec[6];
176 223
177 globPosVec[0] = globPosition.x(); 224 globPosVec[0] = globPosition.x();
178 globPosVec[1] = globPosition.y(); 225 globPosVec[1] = globPosition.y();
179 globPosVec[2] = globPosition.z(); 226 globPosVec[2] = globPosition.z();
180 globPosVec[3] = trackData.GetGlobalTime( 227 globPosVec[3] = trackData.GetGlobalTime();
181 228
182 pField->GetFieldValue(globPosVec, FieldV << 229 pField->GetFieldValue( globPosVec, FieldValueVec );
183 230
184 FieldValue = << 231 FieldValue = G4ThreeVector( FieldValueVec[0],
185 G4ThreeVector(FieldValueVec[0], FieldV << 232 FieldValueVec[1],
>> 233 FieldValueVec[2] );
>> 234
>> 235
>> 236
>> 237 G4ThreeVector unitMomentum = aDynamicParticle->GetMomentumDirection();
>> 238 G4ThreeVector unitMcrossB = FieldValue.cross(unitMomentum) ;
>> 239 G4double perpB = unitMcrossB.mag() ;
>> 240 G4double beta = aDynamicParticle->GetTotalMomentum()/
>> 241 (aDynamicParticle->GetTotalEnergy() );
186 242
187 G4ThreeVector unitMomentum = aDynamicPar << 243 if( perpB > 0.0 ) MeanFreePath = fLambdaConst*beta/perpB;
188 G4ThreeVector unitMcrossB = FieldValue. << 244 else MeanFreePath = DBL_MAX;
189 G4double perpB = unitMcrossB <<
190 G4double beta = aDynamicPar <<
191 (aDynamicParticle->GetTo <<
192 <<
193 if(perpB > 0.0) <<
194 MeanFreePath = fLambdaConst * beta / p <<
195 else <<
196 MeanFreePath = DBL_MAX; <<
197 } 245 }
198 else << 246 else MeanFreePath = DBL_MAX;
199 MeanFreePath = DBL_MAX; <<
200 } 247 }
201 if(fVerboseLevel > 0) 248 if(fVerboseLevel > 0)
202 { 249 {
203 G4cout << "G4SynchrotronRadiationInMat::Me << 250 G4cout<<"G4SynchrotronRadiationInMat::MeanFreePath = "<<MeanFreePath/m<<" m"<<G4endl;
204 << " m" << G4endl; <<
205 } 251 }
206 return MeanFreePath; << 252 return MeanFreePath;
207 } << 253 }
208 254
209 ////////////////////////////////////////////// 255 ////////////////////////////////////////////////////////////////////////////////
210 G4VParticleChange* G4SynchrotronRadiationInMat << 256 //
211 const G4Track& trackData, const G4Step& step << 257 //
>> 258
>> 259 G4VParticleChange*
>> 260 G4SynchrotronRadiationInMat::PostStepDoIt(const G4Track& trackData,
>> 261 const G4Step& stepData )
212 262
213 { 263 {
214 aParticleChange.Initialize(trackData); 264 aParticleChange.Initialize(trackData);
215 265
216 const G4DynamicParticle* aDynamicParticle = << 266 const G4DynamicParticle* aDynamicParticle=trackData.GetDynamicParticle();
217 267
218 G4double gamma = << 268 G4double gamma = aDynamicParticle->GetTotalEnergy()/
219 aDynamicParticle->GetTotalEnergy() / (aDyn << 269 (aDynamicParticle->GetMass() );
220 270
221 if(gamma <= 1.0e3) << 271 if(gamma <= 1.0e3 )
222 { 272 {
223 return G4VDiscreteProcess::PostStepDoIt(tr << 273 return G4VDiscreteProcess::PostStepDoIt(trackData,stepData);
224 } 274 }
225 G4double particleCharge = aDynamicParticle-> 275 G4double particleCharge = aDynamicParticle->GetDefinition()->GetPDGCharge();
226 276
227 G4ThreeVector FieldValue; << 277 G4ThreeVector FieldValue;
228 const G4Field* pField = nullptr; << 278 const G4Field* pField = nullptr ;
229 279
230 G4FieldManager* fieldMgr = nullptr; << 280 G4FieldManager* fieldMgr=nullptr;
231 G4bool fieldExertsForce = false; << 281 G4bool fieldExertsForce = false;
232 282
233 if((particleCharge != 0.0)) << 283 if( (particleCharge != 0.0) )
234 { 284 {
235 fieldMgr = fFieldPropagator->FindAndSetFie << 285 fieldMgr = fFieldPropagator->FindAndSetFieldManager( trackData.GetVolume() );
236 if(fieldMgr != nullptr) << 286 if ( fieldMgr != nullptr )
237 { 287 {
238 // If the field manager has no field, th 288 // If the field manager has no field, there is no field !
239 fieldExertsForce = (fieldMgr->GetDetecto << 289
>> 290 fieldExertsForce = ( fieldMgr->GetDetectorField() != nullptr );
240 } 291 }
241 } 292 }
242 if(fieldExertsForce) << 293 if ( fieldExertsForce )
243 { 294 {
244 pField = fieldMgr->Get << 295 pField = fieldMgr->GetDetectorField() ;
245 G4ThreeVector globPosition = trackData.Get << 296 G4ThreeVector globPosition = trackData.GetPosition() ;
246 G4double globPosVec[4], FieldValueVec[6]; << 297 G4double globPosVec[4], FieldValueVec[6] ;
247 globPosVec[0] = globPosition.x(); << 298 globPosVec[0] = globPosition.x() ;
248 globPosVec[1] = globPosition.y(); << 299 globPosVec[1] = globPosition.y() ;
249 globPosVec[2] = globPosition.z(); << 300 globPosVec[2] = globPosition.z() ;
250 globPosVec[3] = trackData.GetGlobalTime(); 301 globPosVec[3] = trackData.GetGlobalTime();
251 302
252 pField->GetFieldValue(globPosVec, FieldVal << 303 pField->GetFieldValue( globPosVec, FieldValueVec ) ;
253 FieldValue = << 304 FieldValue = G4ThreeVector( FieldValueVec[0],
254 G4ThreeVector(FieldValueVec[0], FieldVal << 305 FieldValueVec[1],
255 << 306 FieldValueVec[2] );
256 G4ThreeVector unitMomentum = aDynamicParti << 307
257 G4ThreeVector unitMcrossB = FieldValue.cr << 308 G4ThreeVector unitMomentum = aDynamicParticle->GetMomentumDirection();
258 G4double perpB = unitMcrossB.m << 309 G4ThreeVector unitMcrossB = FieldValue.cross(unitMomentum);
>> 310 G4double perpB = unitMcrossB.mag() ;
259 if(perpB > 0.0) 311 if(perpB > 0.0)
260 { 312 {
261 // M-C of synchrotron photon energy 313 // M-C of synchrotron photon energy
262 G4double energyOfSR = GetRandomEnergySR( << 314
>> 315 G4double energyOfSR = GetRandomEnergySR(gamma,perpB);
263 316
264 if(fVerboseLevel > 0) 317 if(fVerboseLevel > 0)
265 { 318 {
266 G4cout << "SR photon energy = " << ene << 319 G4cout<<"SR photon energy = "<<energyOfSR/keV<<" keV"<<G4endl;
267 } 320 }
268 <<
269 // check against insufficient energy 321 // check against insufficient energy
270 if(energyOfSR <= 0.0) << 322
>> 323 if( energyOfSR <= 0.0 )
271 { 324 {
272 return G4VDiscreteProcess::PostStepDoI << 325 return G4VDiscreteProcess::PostStepDoIt(trackData,stepData);
273 } 326 }
274 G4double kineticEnergy = aDynamicParticl 327 G4double kineticEnergy = aDynamicParticle->GetKineticEnergy();
275 G4ParticleMomentum particleDirection = << 328 G4ParticleMomentum
276 aDynamicParticle->GetMomentumDirection << 329 particleDirection = aDynamicParticle->GetMomentumDirection();
277 330
278 // M-C of its direction, simplified dipo 331 // M-C of its direction, simplified dipole busted approach
279 G4double cosTheta, sinTheta, fcos, beta; << 332
>> 333 // G4double Teta = G4UniformRand()/gamma ; // Very roughly
280 334
281 do << 335 G4double cosTheta, sinTheta, fcos, beta;
282 { <<
283 cosTheta = 1. - 2. * G4UniformRand(); <<
284 fcos = (1 + cosTheta * cosTheta) * <<
285 } <<
286 // Loop checking, 07-Aug-2015, Vladimir <<
287 while(fcos < G4UniformRand()); <<
288 336
289 beta = std::sqrt(1. - 1. / (gamma * gamm << 337 do
>> 338 {
>> 339 cosTheta = 1. - 2.*G4UniformRand();
>> 340 fcos = (1 + cosTheta*cosTheta)*0.5;
>> 341 }
>> 342 // Loop checking, 07-Aug-2015, Vladimir Ivanchenko
>> 343 while( fcos < G4UniformRand() );
290 344
291 cosTheta = (cosTheta + beta) / (1. + bet << 345 beta = std::sqrt(1. - 1./(gamma*gamma));
292 346
293 if(cosTheta > 1.) << 347 cosTheta = (cosTheta + beta)/(1. + beta*cosTheta);
294 cosTheta = 1.; <<
295 if(cosTheta < -1.) <<
296 cosTheta = -1.; <<
297 348
298 sinTheta = std::sqrt(1. - cosTheta * cos << 349 if( cosTheta > 1. ) cosTheta = 1.;
>> 350 if( cosTheta < -1. ) cosTheta = -1.;
299 351
300 G4double Phi = twopi * G4UniformRand(); << 352 sinTheta = std::sqrt(1. - cosTheta*cosTheta );
301 353
302 G4double dirx = sinTheta * std::cos(Phi) << 354 G4double Phi = twopi * G4UniformRand() ;
303 G4double diry = sinTheta * std::sin(Phi) <<
304 G4double dirz = cosTheta; <<
305 355
306 G4ThreeVector gammaDirection(dirx, diry, << 356 G4double dirx = sinTheta*std::cos(Phi) ,
307 gammaDirection.rotateUz(particleDirectio << 357 diry = sinTheta*std::sin(Phi) ,
>> 358 dirz = cosTheta;
308 359
>> 360 G4ThreeVector gammaDirection ( dirx, diry, dirz);
>> 361 gammaDirection.rotateUz(particleDirection);
>> 362
309 // polarization of new gamma 363 // polarization of new gamma
>> 364
>> 365 // G4double sx = std::cos(Teta)*std::cos(Phi);
>> 366 // G4double sy = std::cos(Teta)*std::sin(Phi);
>> 367 // G4double sz = -std::sin(Teta);
>> 368
310 G4ThreeVector gammaPolarization = FieldV 369 G4ThreeVector gammaPolarization = FieldValue.cross(gammaDirection);
311 gammaPolarization = gammaP << 370 gammaPolarization = gammaPolarization.unit();
>> 371
>> 372 // (sx, sy, sz);
>> 373 // gammaPolarization.rotateUz(particleDirection);
312 374
313 // create G4DynamicParticle object for t 375 // create G4DynamicParticle object for the SR photon
314 auto aGamma = << 376
315 new G4DynamicParticle(G4Gamma::Gamma() << 377 G4DynamicParticle* aGamma= new G4DynamicParticle ( G4Gamma::Gamma(),
316 aGamma->SetPolarization(gammaPolarizatio << 378 gammaDirection,
317 gammaPolarizatio << 379 energyOfSR );
>> 380 aGamma->SetPolarization( gammaPolarization.x(),
>> 381 gammaPolarization.y(),
>> 382 gammaPolarization.z() );
318 383
319 aParticleChange.SetNumberOfSecondaries(1 <<
320 384
321 // Update the incident particle << 385 aParticleChange.SetNumberOfSecondaries(1);
322 G4double newKinEnergy = kineticEnergy - << 386 aParticleChange.AddSecondary(aGamma);
323 387
324 if(newKinEnergy > 0.) << 388 // Update the incident particle
>> 389
>> 390 G4double newKinEnergy = kineticEnergy - energyOfSR ;
>> 391
>> 392 if (newKinEnergy > 0.)
325 { 393 {
326 aParticleChange.ProposeMomentumDirecti << 394 aParticleChange.ProposeMomentumDirection( particleDirection );
327 aParticleChange.ProposeEnergy(newKinEn << 395 aParticleChange.ProposeEnergy( newKinEnergy );
328 aParticleChange.ProposeLocalEnergyDepo << 396 aParticleChange.ProposeLocalEnergyDeposit (0.);
329 } << 397 }
330 else 398 else
331 { << 399 {
332 aParticleChange.ProposeEnergy(0.); << 400 aParticleChange.ProposeEnergy( 0. );
333 aParticleChange.ProposeLocalEnergyDepo << 401 aParticleChange.ProposeLocalEnergyDeposit (0.);
334 G4double charge = aDynamicParticle->Ge << 402 G4double charge = aDynamicParticle->GetDefinition()->GetPDGCharge();
335 if(charge < 0.) << 403 if (charge<0.)
336 { 404 {
337 aParticleChange.ProposeTrackStatus(f << 405 aParticleChange.ProposeTrackStatus(fStopAndKill) ;
338 } << 406 }
339 else << 407 else
340 { 408 {
341 aParticleChange.ProposeTrackStatus(f << 409 aParticleChange.ProposeTrackStatus(fStopButAlive) ;
342 } << 410 }
343 } << 411 }
344 << 412 }
345 // Create the G4Track <<
346 G4Track* aSecondaryTrack = new G4Track(a <<
347 aSecondaryTrack->SetTouchableHandle(step <<
348 aSecondaryTrack->SetParentID(trackData.G <<
349 aSecondaryTrack->SetCreatorModelID(secID <<
350 aParticleChange.AddSecondary(aSecondaryT <<
351 } <<
352 else 413 else
353 { 414 {
354 return G4VDiscreteProcess::PostStepDoIt( << 415 return G4VDiscreteProcess::PostStepDoIt(trackData,stepData);
355 } 416 }
356 } << 417 }
357 return G4VDiscreteProcess::PostStepDoIt(trac << 418 return G4VDiscreteProcess::PostStepDoIt(trackData,stepData);
358 } 419 }
359 420
360 G4double G4SynchrotronRadiationInMat::GetPhoto << 421
361 << 422 G4double
>> 423 G4SynchrotronRadiationInMat::GetPhotonEnergy( const G4Track& trackData,
>> 424 const G4Step& )
>> 425
362 { 426 {
363 G4int i; << 427 G4int i ;
364 G4double energyOfSR = -1.0; << 428 G4double energyOfSR = -1.0 ;
>> 429 //G4Material* aMaterial=trackData.GetMaterial() ;
365 430
366 const G4DynamicParticle* aDynamicParticle = << 431 const G4DynamicParticle* aDynamicParticle=trackData.GetDynamicParticle();
367 432
368 G4double gamma = << 433 G4double gamma = aDynamicParticle->GetTotalEnergy()/
369 aDynamicParticle->GetTotalEnergy() / (aDyn << 434 (aDynamicParticle->GetMass() ) ;
370 435
371 G4double particleCharge = aDynamicParticle-> 436 G4double particleCharge = aDynamicParticle->GetDefinition()->GetPDGCharge();
372 437
373 G4ThreeVector FieldValue; << 438 G4ThreeVector FieldValue;
374 const G4Field* pField = nullptr; << 439 const G4Field* pField = nullptr ;
375 440
376 G4FieldManager* fieldMgr = nullptr; << 441 G4FieldManager* fieldMgr=nullptr;
377 G4bool fieldExertsForce = false; << 442 G4bool fieldExertsForce = false;
378 443
379 if((particleCharge != 0.0)) << 444 if( (particleCharge != 0.0) )
380 { 445 {
381 fieldMgr = fFieldPropagator->FindAndSetFie << 446 fieldMgr = fFieldPropagator->FindAndSetFieldManager( trackData.GetVolume() );
382 if(fieldMgr != nullptr) << 447 if ( fieldMgr != nullptr )
383 { 448 {
384 // If the field manager has no field, th 449 // If the field manager has no field, there is no field !
385 fieldExertsForce = (fieldMgr->GetDetecto << 450
>> 451 fieldExertsForce = ( fieldMgr->GetDetectorField() != 0 );
386 } 452 }
387 } 453 }
388 if(fieldExertsForce) << 454 if ( fieldExertsForce )
389 { << 455 {
390 pField = fieldMgr->Get << 456 pField = fieldMgr->GetDetectorField();
391 G4ThreeVector globPosition = trackData.Get << 457 G4ThreeVector globPosition = trackData.GetPosition();
392 G4double globPosVec[3], FieldValueVec[3]; << 458 G4double globPosVec[3], FieldValueVec[3];
393 459
394 globPosVec[0] = globPosition.x(); 460 globPosVec[0] = globPosition.x();
395 globPosVec[1] = globPosition.y(); 461 globPosVec[1] = globPosition.y();
396 globPosVec[2] = globPosition.z(); 462 globPosVec[2] = globPosition.z();
397 463
398 pField->GetFieldValue(globPosVec, FieldVal << 464 pField->GetFieldValue( globPosVec, FieldValueVec );
399 FieldValue = << 465 FieldValue = G4ThreeVector( FieldValueVec[0],
400 G4ThreeVector(FieldValueVec[0], FieldVal << 466 FieldValueVec[1],
401 << 467 FieldValueVec[2] );
402 G4ThreeVector unitMomentum = aDynamicParti << 468
403 G4ThreeVector unitMcrossB = FieldValue.cr << 469 G4ThreeVector unitMomentum = aDynamicParticle->GetMomentumDirection();
>> 470 G4ThreeVector unitMcrossB = FieldValue.cross(unitMomentum) ;
404 G4double perpB = unitMcrossB.m 471 G4double perpB = unitMcrossB.mag();
405 if(perpB > 0.0) << 472 if( perpB > 0.0 )
406 { 473 {
407 // M-C of synchrotron photon energy 474 // M-C of synchrotron photon energy
408 G4double random = G4UniformRand(); << 475
409 for(i = 0; i < 200; ++i) << 476 G4double random = G4UniformRand() ;
>> 477 for(i=0;i<200;i++)
410 { 478 {
411 if(random >= fIntegralProbabilityOfSR[ << 479 if(random >= fIntegralProbabilityOfSR[i]) break ;
412 break; <<
413 } 480 }
414 energyOfSR = 0.0001 * i * i * fEnergyCon << 481 energyOfSR = 0.0001*i*i*fEnergyConst*gamma*gamma*perpB ;
415 482
416 // check against insufficient energy 483 // check against insufficient energy
>> 484
417 if(energyOfSR <= 0.0) 485 if(energyOfSR <= 0.0)
418 { 486 {
419 return -1.0; << 487 return -1.0 ;
420 } 488 }
421 } << 489 //G4double kineticEnergy = aDynamicParticle->GetKineticEnergy();
>> 490 //G4ParticleMomentum
>> 491 //particleDirection = aDynamicParticle->GetMomentumDirection();
>> 492
>> 493 // Gamma production cut in this material
>> 494 //G4double
>> 495 //gammaEnergyCut = (G4Gamma::GetCutsInEnergy())[aMaterial->GetIndex()];
>> 496
>> 497 // SR photon has energy more than the current material cut
>> 498 // M-C of its direction
>> 499
>> 500 //G4double Teta = G4UniformRand()/gamma ; // Very roughly
>> 501
>> 502 //G4double Phi = twopi * G4UniformRand() ;
>> 503 }
422 else 504 else
423 { 505 {
424 return -1.0; << 506 return -1.0 ;
425 } 507 }
426 } << 508 }
427 return energyOfSR; << 509 return energyOfSR ;
428 } 510 }
429 511
430 ////////////////////////////////////////////// 512 /////////////////////////////////////////////////////////////////////////////////
431 G4double G4SynchrotronRadiationInMat::GetRando << 513 //
432 << 514 //
>> 515
>> 516 G4double G4SynchrotronRadiationInMat::GetRandomEnergySR(G4double gamma, G4double perpB)
433 { 517 {
434 G4int i; << 518 G4int i, iMax;
435 static constexpr G4int iMax = 200; <<
436 G4double energySR, random, position; 519 G4double energySR, random, position;
437 520
>> 521 iMax = 200;
438 random = G4UniformRand(); 522 random = G4UniformRand();
439 523
440 for(i = 0; i < iMax; ++i) << 524 for( i = 0; i < iMax; i++ )
441 { 525 {
442 if(random >= fIntegralProbabilityOfSR[i]) << 526 if( random >= fIntegralProbabilityOfSR[i] ) break;
443 break; <<
444 } 527 }
445 if(i <= 0) << 528 if(i <= 0 ) position = G4UniformRand(); // 0.
446 position = G4UniformRand(); << 529 else if( i>= iMax) position = G4double(iMax);
447 else if(i >= iMax) << 530 else position = i + G4UniformRand(); // -1
448 position = G4double(iMax); << 531 //
449 else << 532 // it was in initial implementation:
450 position = i + G4UniformRand(); << 533 // energyOfSR = 0.0001*i*i*fEnergyConst*gamma*gamma*perpB ;
451 534
452 energySR = << 535 energySR = 0.0001*position*position*fEnergyConst*gamma*gamma*perpB;
453 0.0001 * position * position * fEnergyCons <<
454 536
455 if(energySR < 0.) << 537 if( energySR < 0. ) energySR = 0.;
456 energySR = 0.; <<
457 538
458 return energySR; 539 return energySR;
459 } 540 }
460 541
461 ////////////////////////////////////////////// 542 /////////////////////////////////////////////////////////////////////////
462 G4double G4SynchrotronRadiationInMat::GetProbS << 543 //
>> 544 // return
>> 545
>> 546 G4double G4SynchrotronRadiationInMat::GetProbSpectrumSRforInt( G4double t)
463 { 547 {
464 G4double result, hypCos2, hypCos = std::cosh << 548 G4double result, hypCos2, hypCos=std::cosh(t);
465 549
466 hypCos2 = hypCos * hypCos; << 550 hypCos2 = hypCos*hypCos;
467 result = std::cosh(5. * t / 3.) * std::exp(t << 551 result = std::cosh(5.*t/3.)*std::exp(t-fKsi*hypCos); // fKsi > 0. !
468 result /= hypCos2; 552 result /= hypCos2;
469 return result; 553 return result;
470 } 554 }
471 555
472 ////////////////////////////////////////////// 556 ///////////////////////////////////////////////////////////////////////////
>> 557 //
473 // return the probability to emit SR photon wi 558 // return the probability to emit SR photon with relative energy
474 // energy/energy_c >= ksi 559 // energy/energy_c >= ksi
475 // for ksi <= 0. P = 1., however the method wo 560 // for ksi <= 0. P = 1., however the method works for ksi > 0 only!
476 G4double G4SynchrotronRadiationInMat::GetIntPr << 561
>> 562 G4double G4SynchrotronRadiationInMat::GetIntProbSR( G4double ksi)
477 { 563 {
478 if(ksi <= 0.) << 564 if (ksi <= 0.) return 1.0;
479 return 1.0; << 565 fKsi = ksi; // should be > 0. !
480 fKsi = ksi; // should be > 0. ! <<
481 G4int n; 566 G4int n;
482 G4double result, a; 567 G4double result, a;
483 568
484 a = fAlpha; // always = 0. << 569 a = fAlpha; // always = 0.
485 n = fRootNumber; // around default = 80 << 570 n = fRootNumber; // around default = 80
486 571
487 G4Integrator<G4SynchrotronRadiationInMat, << 572 G4Integrator<G4SynchrotronRadiationInMat, G4double(G4SynchrotronRadiationInMat::*)(G4double)> integral;
488 G4double (G4SynchrotronRadiatio <<
489 integral; <<
490 573
491 result = integral.Laguerre( << 574 result = integral.Laguerre(this,
492 this, &G4SynchrotronRadiationInMat::GetPro << 575 &G4SynchrotronRadiationInMat::GetProbSpectrumSRforInt, a, n);
493 576
494 result *= 3. / 5. / pi; << 577 result *= 3./5./pi;
495 578
496 return result; 579 return result;
497 } 580 }
498 581
499 ////////////////////////////////////////////// 582 /////////////////////////////////////////////////////////////////////////
>> 583 //
500 // return an auxiliary function for K_5/3 inte 584 // return an auxiliary function for K_5/3 integral representation
501 G4double G4SynchrotronRadiationInMat::GetProbS <<
502 { <<
503 G4double result, hypCos = std::cosh(t); <<
504 585
505 result = std::cosh(5. * t / 3.) * std::exp(t << 586 G4double G4SynchrotronRadiationInMat::GetProbSpectrumSRforEnergy( G4double t)
>> 587 {
>> 588 G4double result, hypCos=std::cosh(t);
>> 589
>> 590 result = std::cosh(5.*t/3.)*std::exp(t - fKsi*hypCos); // fKsi > 0. !
506 result /= hypCos; 591 result /= hypCos;
507 return result; 592 return result;
508 } 593 }
509 594
510 ////////////////////////////////////////////// 595 ///////////////////////////////////////////////////////////////////////////
>> 596 //
511 // return the probability to emit SR photon en 597 // return the probability to emit SR photon energy with relative energy
512 // energy/energy_c >= ksi 598 // energy/energy_c >= ksi
513 // for ksi <= 0. P = 1., however the method wo 599 // for ksi <= 0. P = 1., however the method works for ksi > 0 only!
514 G4double G4SynchrotronRadiationInMat::GetEnerg << 600
>> 601 G4double G4SynchrotronRadiationInMat::GetEnergyProbSR( G4double ksi)
515 { 602 {
516 if(ksi <= 0.) << 603 if (ksi <= 0.) return 1.0;
517 return 1.0; << 604 fKsi = ksi; // should be > 0. !
518 fKsi = ksi; // should be > 0. ! <<
519 G4int n; 605 G4int n;
520 G4double result, a; 606 G4double result, a;
521 607
522 a = fAlpha; // always = 0. << 608 a = fAlpha; // always = 0.
523 n = fRootNumber; // around default = 80 << 609 n = fRootNumber; // around default = 80
524 610
525 G4Integrator<G4SynchrotronRadiationInMat, << 611 G4Integrator<G4SynchrotronRadiationInMat, G4double(G4SynchrotronRadiationInMat::*)(G4double)> integral;
526 G4double (G4SynchrotronRadiatio <<
527 integral; <<
528 612
529 result = integral.Laguerre( << 613 result = integral.Laguerre(this,
530 this, &G4SynchrotronRadiationInMat::GetPro << 614 &G4SynchrotronRadiationInMat::GetProbSpectrumSRforEnergy, a, n);
531 615
532 result *= 9. * std::sqrt(3.) * ksi / 8. / pi << 616 result *= 9.*std::sqrt(3.)*ksi/8./pi;
533 617
534 return result; 618 return result;
535 } 619 }
536 620
537 ////////////////////////////////////////////// 621 /////////////////////////////////////////////////////////////////////////////
538 G4double G4SynchrotronRadiationInMat::GetInteg << 622 //
539 { << 623 //
540 G4double result, hypCos = std::cosh(t); <<
541 624
542 result = << 625 G4double G4SynchrotronRadiationInMat::GetIntegrandForAngleK( G4double t)
543 std::cosh(fOrderAngleK * t) * std::exp(t - << 626 {
>> 627 G4double result, hypCos=std::cosh(t);
>> 628
>> 629 result = std::cosh(fOrderAngleK*t)*std::exp(t - fEta*hypCos); // fEta > 0. !
544 result /= hypCos; 630 result /= hypCos;
545 return result; 631 return result;
546 } 632 }
547 633
548 ////////////////////////////////////////////// 634 //////////////////////////////////////////////////////////////////////////
>> 635 //
549 // Return K 1/3 or 2/3 for angular distributio 636 // Return K 1/3 or 2/3 for angular distribution
550 G4double G4SynchrotronRadiationInMat::GetAngle << 637
>> 638 G4double G4SynchrotronRadiationInMat::GetAngleK( G4double eta)
551 { 639 {
552 fEta = eta; // should be > 0. ! << 640 fEta = eta; // should be > 0. !
553 G4int n; 641 G4int n;
554 G4double result, a; 642 G4double result, a;
555 643
556 a = fAlpha; // always = 0. << 644 a = fAlpha; // always = 0.
557 n = fRootNumber; // around default = 80 << 645 n = fRootNumber; // around default = 80
558 646
559 G4Integrator<G4SynchrotronRadiationInMat, << 647 G4Integrator<G4SynchrotronRadiationInMat, G4double(G4SynchrotronRadiationInMat::*)(G4double)> integral;
560 G4double (G4SynchrotronRadiatio <<
561 integral; <<
562 648
563 result = integral.Laguerre( << 649 result = integral.Laguerre(this,
564 this, &G4SynchrotronRadiationInMat::GetInt << 650 &G4SynchrotronRadiationInMat::GetIntegrandForAngleK, a, n);
565 651
566 return result; 652 return result;
567 } 653 }
568 654
569 ////////////////////////////////////////////// 655 /////////////////////////////////////////////////////////////////////////
>> 656 //
570 // Relative angle diff distribution for given 657 // Relative angle diff distribution for given fKsi, which is set externally
571 G4double G4SynchrotronRadiationInMat::GetAngle <<
572 { <<
573 G4double result, funK, funK2, gpsi2 = gpsi * <<
574 <<
575 fPsiGamma = gpsi; <<
576 fEta = 0.5 * fKsi * (1. + gpsi2) * std: <<
577 658
578 fOrderAngleK = 1. / 3.; << 659 G4double G4SynchrotronRadiationInMat::GetAngleNumberAtGammaKsi( G4double gpsi)
579 funK = GetAngleK(fEta); << 660 {
580 funK2 = funK * funK; << 661 G4double result, funK, funK2, gpsi2 = gpsi*gpsi;
581 662
582 result = gpsi2 * funK2 / (1. + gpsi2); << 663 fPsiGamma = gpsi;
>> 664 fEta = 0.5*fKsi*(1. + gpsi2)*std::sqrt(1. + gpsi2);
>> 665
>> 666 fOrderAngleK = 1./3.;
>> 667 funK = GetAngleK(fEta);
>> 668 funK2 = funK*funK;
>> 669
>> 670 result = gpsi2*funK2/(1. + gpsi2);
>> 671
>> 672 fOrderAngleK = 2./3.;
>> 673 funK = GetAngleK(fEta);
>> 674 funK2 = funK*funK;
>> 675
>> 676 result += funK2;
>> 677 result *= (1. + gpsi2)*fKsi;
>> 678
>> 679 return result;
>> 680 }
583 681
584 fOrderAngleK = 2. / 3.; <<
585 funK = GetAngleK(fEta); <<
586 funK2 = funK * funK; <<
587 682
588 result += funK2; << 683 ///////////////////// end of G4SynchrotronRadiationInMat.cc
589 result *= (1. + gpsi2) * fKsi; <<
590 684
591 return result; <<
592 } <<
593 685