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This commit is contained in:
Gabriele Cosmo
2016-06-30 14:12:05 +02:00
parent a654a7ab1f
commit 4ec577e5c4
2021 changed files with 100995 additions and 78277 deletions
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source/processes/electromagnetic/standard/include/G4UrbanMscModel.hh
+45 -42
View File
@@ -67,8 +67,6 @@ class G4ParticleChangeForMSC;
class G4SafetyHelper;
class G4LossTableManager;
static const G4double c_highland = 13.6*CLHEP::MeV ;
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
class G4UrbanMscModel : public G4VMscModel
@@ -76,29 +74,33 @@ class G4UrbanMscModel : public G4VMscModel
public:
G4UrbanMscModel(const G4String& nam = "UrbanMsc");
explicit G4UrbanMscModel(const G4String& nam = "UrbanMsc");
virtual ~G4UrbanMscModel();
void Initialise(const G4ParticleDefinition*, const G4DataVector&);
virtual void Initialise(const G4ParticleDefinition*,
const G4DataVector&) override;
void StartTracking(G4Track*);
virtual void StartTracking(G4Track*) override;
G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition* particle,
G4double KineticEnergy,
G4double AtomicNumber,
G4double AtomicWeight=0.,
G4double cut =0.,
G4double emax=DBL_MAX);
virtual G4double
ComputeCrossSectionPerAtom(const G4ParticleDefinition* particle,
G4double KineticEnergy,
G4double AtomicNumber,
G4double AtomicWeight=0.,
G4double cut =0.,
G4double emax=DBL_MAX) override;
G4ThreeVector& SampleScattering(const G4ThreeVector&, G4double safety);
virtual G4ThreeVector& SampleScattering(const G4ThreeVector&,
G4double safety) override;
G4double ComputeTruePathLengthLimit(const G4Track& track,
G4double& currentMinimalStep);
virtual G4double
ComputeTruePathLengthLimit(const G4Track& track,
G4double& currentMinimalStep) override;
G4double ComputeGeomPathLength(G4double truePathLength);
virtual G4double ComputeGeomPathLength(G4double truePathLength) override;
G4double ComputeTrueStepLength(G4double geomStepLength);
virtual G4double ComputeTrueStepLength(G4double geomStepLength) override;
G4double ComputeTheta0(G4double truePathLength, G4double KineticEnergy);
@@ -121,8 +123,8 @@ private:
inline G4double SimpleScattering(G4double xmeanth, G4double x2meanth);
// hide assignment operator
G4UrbanMscModel & operator=(const G4UrbanMscModel &right);
G4UrbanMscModel(const G4UrbanMscModel&);
G4UrbanMscModel & operator=(const G4UrbanMscModel &right) = delete;
G4UrbanMscModel(const G4UrbanMscModel&) = delete;
CLHEP::HepRandomEngine* rndmEngineMod;
@@ -207,45 +209,46 @@ void G4UrbanMscModel::SetParticle(const G4ParticleDefinition* p)
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
inline
G4double G4UrbanMscModel::Randomizetlimit()
inline G4double G4UrbanMscModel::Randomizetlimit()
{
G4double temptlimit = tlimit;
if(tlimit > tlimitmin)
{
G4double delta = tlimit-tlimitmin;
do {
temptlimit = G4RandGauss::shoot(rndmEngineMod,tlimit,0.3*tlimit);
// Loop checking, 03-Aug-2015, Vladimir Ivanchenko
} while ((temptlimit < tlimitmin) ||
(temptlimit > 2.*tlimit-tlimitmin));
temptlimit = G4RandGauss::shoot(rndmEngineMod,tlimit,0.1*delta);
// Loop checking, 10-Apr-2016, Laszlo Urban
} while ((temptlimit < tlimit-delta) ||
(temptlimit > tlimit+delta));
}
else temptlimit = tlimitmin;
else { temptlimit = tlimitmin; }
return temptlimit;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
inline
void G4UrbanMscModel::UpdateCache()
inline void G4UrbanMscModel::UpdateCache()
{
lnZ = G4Log(Zeff);
// correction in theta0 formula
G4double w = G4Exp(lnZ/6.);
G4double facz = 0.990395+w*(-0.168386+w*0.093286) ;
coeffth1 = facz*(1. - 8.7780e-2/Zeff);
coeffth2 = facz*(4.0780e-2 + 1.7315e-4*Zeff);
lnZ = G4Log(Zeff);
// correction in theta0 formula
G4double w = G4Exp(lnZ/6.);
G4double facz = 0.990395+w*(-0.168386+w*0.093286) ;
coeffth1 = facz*(1. - 8.7780e-2/Zeff);
coeffth2 = facz*(4.0780e-2 + 1.7315e-4*Zeff);
// tail parameters
G4double Z13 = w*w;
coeffc1 = 2.3785 - Z13*(4.1981e-1 - Z13*6.3100e-2);
coeffc2 = 4.7526e-1 + Z13*(1.7694 - Z13*3.3885e-1);
coeffc3 = 2.3683e-1 - Z13*(1.8111 - Z13*3.2774e-1);
coeffc4 = 1.7888e-2 + Z13*(1.9659e-2 - Z13*2.6664e-3);
// tail parameters
G4double Z13 = w*w;
coeffc1 = 2.3785 - Z13*(4.1981e-1 - Z13*6.3100e-2);
coeffc2 = 4.7526e-1 + Z13*(1.7694 - Z13*3.3885e-1);
coeffc3 = 2.3683e-1 - Z13*(1.8111 - Z13*3.2774e-1);
coeffc4 = 1.7888e-2 + Z13*(1.9659e-2 - Z13*2.6664e-3);
Z2 = Zeff*Zeff;
Z23 = Z13*Z13;
Z2 = Zeff*Zeff;
Z23 = Z13*Z13;
Zold = Zeff;
Zold = Zeff;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......