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25 //
26 //
27 // Author: Mathieu Karamitros
28 //
29 // WARNING : This class is released as a prototype.
30 // It might strongly evolve or even disappear in the next releases.
31 //
32 // History:
33 // -----------
34 // 13 Nov 2016 M.Karamitros created
35 //
36 // -------------------------------------------------------------------
37
38 #include "G4DNAChemistryManager.hh"
39 #include "G4DNAMolecularMaterial.hh"
40 #include "G4DNAWaterExcitationStructure.hh"
41 #include "G4ITNavigator.hh"
42 #include "G4Navigator.hh"
43 #include "G4NistManager.hh"
44 #include "G4ParticleChangeForGamma.hh"
45 #include "G4PhysicalConstants.hh"
46 #include "G4SystemOfUnits.hh"
47 #include "G4TransportationManager.hh"
48
49 #include <memory>
50
51 //#define MODEL_VERBOSE
52
53 //------------------------------------------------------------------------------
54
55 template<typename MODEL>
56 G4TDNAOneStepThermalizationModel<MODEL>::
57 G4TDNAOneStepThermalizationModel(const G4ParticleDefinition*,
58 const G4String& nam) :
59 G4VEmModel(nam)
60 {
61 fVerboseLevel = 0;
62 SetLowEnergyLimit(0.);
63 G4DNAWaterExcitationStructure exStructure;
64 SetHighEnergyLimit(exStructure.ExcitationEnergy(0));
65 fpParticleChangeForGamma = nullptr;
66 fpWaterDensity = nullptr;
67 }
68
69 //------------------------------------------------------------------------------
70
71 template<typename MODEL>
72 G4TDNAOneStepThermalizationModel<MODEL>::~G4TDNAOneStepThermalizationModel()
73 = default;
74
75 //------------------------------------------------------------------------------
76 template<typename MODEL>
77 void G4TDNAOneStepThermalizationModel<MODEL>::
78 Initialise(const G4ParticleDefinition* particleDefinition,
79 const G4DataVector&)
80 {
81 #ifdef MODEL_VERBOSE
82 if(fVerboseLevel)
83 G4cout << "Calling G4DNAOneStepThermalizationModel::Initialise()"
84 << G4endl;
85 #endif
86 if (particleDefinition->GetParticleName() != "e-")
87 {
88 G4ExceptionDescription errMsg;
89 errMsg << "G4DNAOneStepThermalizationModel can only be applied "
90 "to electrons";
91 G4Exception("G4DNAOneStepThermalizationModel::CrossSectionPerVolume",
92 "G4DNAOneStepThermalizationModel001",
93 FatalErrorInArgument,errMsg);
94 return;
95 }
96
97 if(!fIsInitialised)
98 {
99 fIsInitialised = true;
100 fpParticleChangeForGamma = GetParticleChangeForGamma();
101 }
102
103 G4Navigator* navigator =
104 G4TransportationManager::GetTransportationManager()->
105 GetNavigatorForTracking();
106
107 fpNavigator = std::make_unique<G4Navigator>();
108
109 if(navigator != nullptr){ // add these checks for testing mode
110 auto world=navigator->GetWorldVolume();
111 if(world != nullptr){
112 fpNavigator->SetWorldVolume(world);
113 //fNavigator->NewNavigatorState();
114 }
115 }
116
117 fpWaterDensity =
118 G4DNAMolecularMaterial::Instance()->
119 GetNumMolPerVolTableFor(G4Material::GetMaterial("G4_WATER"));
120 }
121
122 //------------------------------------------------------------------------------
123 template<typename MODEL>
124 G4double G4TDNAOneStepThermalizationModel<MODEL>::
125 CrossSectionPerVolume(const G4Material* material,
126 const G4ParticleDefinition*,
127 G4double ekin,
128 G4double,
129 G4double)
130 {
131 #ifdef MODEL_VERBOSE
132 if(fVerboseLevel > 1)
133 G4cout << "Calling CrossSectionPerVolume() of G4DNAOneStepThermalizationModel"
134 << G4endl;
135 #endif
136
137 if(ekin > HighEnergyLimit()){
138 return 0.0;
139 }
140
141 G4double waterDensity = (*fpWaterDensity)[material->GetIndex()];
142
143 if(waterDensity!= 0.0){
144 return DBL_MAX;
145 }
146 return 0.;
147 }
148
149 //------------------------------------------------------------------------------
150 template<typename MODEL>
151 double G4TDNAOneStepThermalizationModel<MODEL>::GetRmean(double k){
152 return MODEL::GetRmean(k);
153 }
154
155
156 //------------------------------------------------------------------------------
157
158 template<typename MODEL>
159 void G4TDNAOneStepThermalizationModel<MODEL>::
160 GetPenetration(G4double k, G4ThreeVector& displacement)
161 {
162 return MODEL::GetPenetration(k, displacement);
163 }
164
165 //------------------------------------------------------------------------------
166 template<typename MODEL>
167 void G4TDNAOneStepThermalizationModel<MODEL>::
168 SampleSecondaries(std::vector<G4DynamicParticle*>*,
169 const G4MaterialCutsCouple*,
170 const G4DynamicParticle* particle,
171 G4double,
172 G4double)
173 {
174 #ifdef MODEL_VERBOSE
175 if(fVerboseLevel)
176 G4cout << "Calling SampleSecondaries() of G4DNAOneStepThermalizationModel"
177 << G4endl;
178 #endif
179
180 G4double k = particle->GetKineticEnergy();
181
182 if (k <= HighEnergyLimit())
183 {
184 fpParticleChangeForGamma->ProposeTrackStatus(fStopAndKill);
185 fpParticleChangeForGamma->ProposeLocalEnergyDeposit(k);
186
187 if(G4DNAChemistryManager::IsActivated())
188 {
189 G4ThreeVector displacement(0,0,0);
190 GetPenetration(k, displacement);
191
192 //______________________________________________________________
193 const G4Track * theIncomingTrack =
194 fpParticleChangeForGamma->GetCurrentTrack();
195 G4ThreeVector finalPosition(theIncomingTrack->GetPosition()+displacement);
196
197 fpNavigator->SetWorldVolume(theIncomingTrack->GetTouchable()->
198 GetVolume(theIncomingTrack->GetTouchable()->
199 GetHistoryDepth()));
200
201 double displacementMag = displacement.mag();
202 double safety = DBL_MAX;
203 G4ThreeVector direction = displacement/displacementMag;
204
205 //--
206 // 6/09/16 - recupere de molecular dissocation
207 double mag_displacement = displacement.mag();
208 G4ThreeVector displacement_direction = displacement/mag_displacement;
209
210 // double step = DBL_MAX;
211 // step = fNavigator->CheckNextStep(theIncomingTrack->GetPosition(),
212 // displacement_direction,
213 // mag_displacement,
214 // safety);
215 //
216 //
217 // if(safety < mag_displacement)
218 // {
219 //// mag_displacement = prNewSafety;
220 // finalPosition = theIncomingTrack->GetPosition()
221 // + (displacement/displacementMag)*safety*0.80;
222 // }
223 //--
224
225 fpNavigator->ResetHierarchyAndLocate(theIncomingTrack->GetPosition(),
226 direction,
227 *((G4TouchableHistory*)
228 theIncomingTrack->GetTouchable()));
229
230 fpNavigator->ComputeStep(theIncomingTrack->GetPosition(),
231 displacement/displacementMag,
232 displacementMag,
233 safety);
234
235 if(safety <= displacementMag)
236 {
237 finalPosition = theIncomingTrack->GetPosition()
238 + (displacement/displacementMag)*safety*0.80;
239 }
240
241 G4DNAChemistryManager::Instance()->CreateSolvatedElectron(theIncomingTrack,
242 &finalPosition);
243
244 fpParticleChangeForGamma->SetProposedKineticEnergy(25.e-3*eV);
245 }
246 }
247 }