| Geant4 Cross Reference |
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25 //
26 //
27 #include "G4DNATransformElectronModel.hh"
28 #include "G4SystemOfUnits.hh"
29 #include "G4ParticleChangeForGamma.hh"
30 #include "G4NistManager.hh"
31 #include "G4DNAChemistryManager.hh"
32 #include "G4DNAMolecularMaterial.hh"
33
34 //#define MODEL_VERBOSE
35
36 G4DNATransformElectronModel::
37 G4DNATransformElectronModel(const G4ParticleDefinition*,
38 const G4String& nam) :
39 G4VEmModel(nam)
40 {
41 fVerboseLevel = 0;
42 SetLowEnergyLimit(0. * eV);
43 SetHighEnergyLimit(0.025 * eV);
44 fParticleChangeForGamma = nullptr;
45 fpWaterDensity = nullptr;
46 fpWaterDensity = nullptr;
47 fEpsilon = 0.0001 * eV;
48 }
49
50 //______________________________________________________________________
51 G4DNATransformElectronModel::~G4DNATransformElectronModel()
52 = default;
53
54 //______________________________________________________________________
55 void G4DNATransformElectronModel::
56 Initialise(const G4ParticleDefinition* particleDefinition,
57 const G4DataVector&)
58 {
59 #ifdef MODEL_VERBOSE
60 if (fVerboseLevel)
61 G4cout << "Calling G4DNATransformElectronModel::Initialise()" << G4endl;
62 #endif
63
64 if(particleDefinition->GetParticleName() != "e-")
65 {
66 G4ExceptionDescription errMsg;
67 errMsg << "Attempting to calculate cross section for wrong particle";
68 G4Exception("G4DNATransformElectronModel::CrossSectionPerVolume",
69 "G4DNATransformElectronModel001", FatalErrorInArgument, errMsg);
70 return;
71 }
72
73 // Initialize water density pointer
74 fpWaterDensity = G4DNAMolecularMaterial::Instance()->
75 GetNumMolPerVolTableFor(G4Material::GetMaterial("G4_WATER"));
76
77 if(!fIsInitialised)
78 {
79 fIsInitialised = true;
80 fParticleChangeForGamma = GetParticleChangeForGamma();
81 }
82 }
83
84 //______________________________________________________________________
85 G4double
86 G4DNATransformElectronModel::CrossSectionPerVolume(const G4Material* material,
87 const G4ParticleDefinition*,
88 G4double ekin,
89 G4double,
90 G4double)
91 {
92 #if MODEL_VERBOSE
93 if (fVerboseLevel > 1)
94 G4cout << "Calling CrossSectionPerVolume() of G4DNATransformElectronModel" << G4endl;
95 #endif
96
97 if(ekin - fEpsilon > HighEnergyLimit())
98 {
99 return 0.0;
100 }
101
102 G4double waterDensity = (*fpWaterDensity)[material->GetIndex()];
103
104 if(waterDensity != 0.0)
105 {
106 return DBL_MAX;
107 }
108
109 return 0.0;
110 }
111
112 //______________________________________________________________________
113 void
114 G4DNATransformElectronModel::SampleSecondaries(std::vector<G4DynamicParticle*>* /*fvect*/,
115 const G4MaterialCutsCouple*,
116 const G4DynamicParticle* particle,
117 G4double,
118 G4double)
119 {
120 #if MODEL_VERBOSE
121 if (fVerboseLevel)
122 G4cout << "Calling SampleSecondaries() of G4DNATransformElectronModel" << G4endl;
123 #endif
124
125 G4double k = particle->GetKineticEnergy();
126
127 // if (k - fEpsilon <= HighEnergyLimit()) // should be already checked
128 // {
129 const G4Track * track = fParticleChangeForGamma->GetCurrentTrack();
130 G4DNAChemistryManager::Instance()->CreateSolvatedElectron(track);
131 fParticleChangeForGamma->ProposeTrackStatus(fStopAndKill);
132 fParticleChangeForGamma->ProposeLocalEnergyDeposit(k);
133 // }
134 }
135