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G4LEPTSIonisationModel.cc
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28 
29 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
31  : G4VLEPTSModel( modelName )
32 {
33  SetDeexcitationFlag(true);
36 
37 } // constructor
38 
39 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
41 {
42 }
43 
44 
45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
47  const G4DataVector&)
48 {
49  Init();
50  BuildPhysicsTable( *aParticle );
52 
53 }
54 
55 
56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
58  const G4ParticleDefinition* aParticle,
60  G4double,
61  G4double)
62 {
63  return 1./GetMeanFreePath( mate, aParticle, kineticEnergy );
64 
65 }
66 
67 
68 void G4LEPTSIonisationModel::SampleSecondaries(std::vector<G4DynamicParticle*>* fvect,
69  const G4MaterialCutsCouple* mateCuts,
70  const G4DynamicParticle* aDynamicParticle,
71  G4double,
72  G4double)
73 {
74  G4double P0KinEn = aDynamicParticle->GetKineticEnergy();
75 
76  G4double Edep=0;
77  G4double Energylost=0;
78  G4ThreeVector P0Dir = aDynamicParticle->GetMomentumDirection();
79 
80  const G4Material* aMaterial = mateCuts->GetMaterial();
81  if(P0KinEn < theIonisPot[aMaterial]) {
82  theIonisPot[aMaterial] = P0KinEn;
83  }
84  Energylost = SampleEnergyLoss(aMaterial, theIonisPot[aMaterial], P0KinEn);
85  G4ThreeVector P1Dir = SampleNewDirection(aMaterial, P0Dir, P0KinEn/CLHEP::eV, Energylost/CLHEP::eV);
86  G4double P1KinEn = std::max(0., P0KinEn - Energylost);
89 #ifdef DEBUG_LEPTS
90  G4cout << " G4LEPTSIonisationModel::SampleSecondaries( SetProposedKineticEnergy " << P1KinEn << " " << P0KinEn << " - " << Energylost << G4endl;
91 #endif
92 
93  G4double P2KinEn;
94 
95  if( Energylost < theIonisPotInt[aMaterial]) { // External Ionisation
96  //- SetModelName("Ionisation");
97  Edep = theIonisPot[aMaterial];
98  P2KinEn = std::max(0.001*CLHEP::eV, (Energylost - theIonisPot[aMaterial]) );
99  }
100  else { // Auger
101  //- SetModelName("IonisAuger");
102  Edep = 35*CLHEP::eV;
103  P2KinEn = std::max(0.0, (Energylost - theIonisPotInt[aMaterial]) );
104  G4double P3KinEn = std::max(0.0, theIonisPotInt[aMaterial] - Edep);
105 
106  G4ThreeVector P3Dir;
107  P3Dir.setX( G4UniformRand() );
108  P3Dir.setY( G4UniformRand() );
109  P3Dir.setZ( G4UniformRand() );
110  P3Dir /= P3Dir.mag();
111 
112  G4DynamicParticle* e3 = new G4DynamicParticle(G4Electron::Electron(), P3Dir, P3KinEn);
113  fvect->push_back(e3);
114  }
115 
117 
118  if( P2KinEn > theLowestEnergyLimit) {
119  G4double cp0 = std::sqrt(P0KinEn*(P0KinEn + 2.*CLHEP::electron_mass_c2));
120  G4double cp1 = std::sqrt(P1KinEn*(P1KinEn + 2.*CLHEP::electron_mass_c2));
121  G4ThreeVector P2Momentum = cp0*P0Dir -cp1*P1Dir;
122  G4ThreeVector P2Dir = P2Momentum / P2Momentum.mag();
123  P2Dir.rotateUz(P0Dir);
124  G4DynamicParticle* e2 = new G4DynamicParticle(G4Electron::Electron(), P2Dir, P2KinEn);
125  fvect->push_back(e2);
126  }
127 
128 }
virtual G4double CrossSectionPerVolume(const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
T max(const T t1, const T t2)
brief Return the largest of the two arguments
#define G4endl
Definition: G4ios.hh:61
const G4ThreeVector & GetMomentumDirection() const
void SetProposedKineticEnergy(G4double proposedKinEnergy)
Hep3Vector & rotateUz(const Hep3Vector &)
Definition: ThreeVector.cc:38
G4double GetMeanFreePath(const G4Material *mate, const G4ParticleDefinition *aParticle, G4double kineticEnergy)
void setX(double)
void BuildPhysicsTable(const G4ParticleDefinition &aParticleType)
G4LEPTSIonisationModel(const G4String &modelName="G4LEPTSIonisationModel")
std::map< const G4Material *, G4double > theIonisPotInt
void SetDeexcitationFlag(G4bool val)
Definition: G4VEmModel.hh:763
double G4double
Definition: G4Types.hh:76
void setZ(double)
static constexpr double electron_mass_c2
void ProposeMomentumDirection(G4double Px, G4double Py, G4double Pz)
#define G4UniformRand()
Definition: Randomize.hh:53
static constexpr double eV
static G4Electron * Electron()
Definition: G4Electron.cc:94
virtual void Initialise(const G4ParticleDefinition *, const G4DataVector &)
G4ParticleChangeForGamma * fParticleChangeForGamma
double mag() const
std::map< const G4Material *, G4double > theIonisPot
G4double GetKineticEnergy() const
G4GLOB_DLL std::ostream G4cout
virtual void SampleSecondaries(std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin=0.0, G4double tmax=DBL_MAX)
G4ThreeVector SampleNewDirection(const G4Material *aMaterial, G4ThreeVector Dir, G4double e, G4double el)
G4double theLowestEnergyLimit
const G4Material * GetMaterial() const
G4ParticleChangeForGamma * GetParticleChangeForGamma()
Definition: G4VEmModel.cc:131
void ProposeLocalEnergyDeposit(G4double anEnergyPart)
G4double SampleEnergyLoss(const G4Material *aMaterial, G4double eMin, G4double eMax)
void setY(double)