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This commit is contained in:
Gabriele Cosmo
2016-06-08 15:09:25 +02:00
parent b97f8d0df7
commit aaa409b6ee
2922 changed files with 55107 additions and 81674 deletions
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source/processes/electromagnetic/standard/src/G4IhIonisation.cc
+26 -22
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@@ -5,8 +5,8 @@
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: G4IhIonisation.cc,v 2.6 1998/12/16 12:54:18 urban Exp $
// GEANT4 tag $Name: geant4-00 $
// $Id: G4IhIonisation.cc,v 1.4 1999/05/03 11:04:14 urban Exp $
// GEANT4 tag $Name: geant4-00-01 $
//
// -------------------------------------------------------------
// GEANT 4 class implementation file
@@ -240,18 +240,21 @@ void G4IhIonisation::BuildNlambdaVector(
G4PhysicsLogVector* nlambdaVector)
{
G4double LowEdgeEnergy,T,Tlast,dEdx,Value,Vlast,u,du,coeff ;
G4double thresholdEnergy ;
const G4int nbin = 100 ;
G4double Tcut,thresholdEnergy,w1,w2,l ;
const G4int nbin = 20 ;
G4bool isOut ;
const G4double small = 1.e-100;
const G4double plowloss = 0.5 ; //this should be a data member of en.loss!
const G4double lmin=1.e-100,lmax=1.e100;
const G4MaterialTable* theMaterialTable=
G4Material::GetMaterialTable();
// it is a lower limit for the threshold energy ....?????
thresholdEnergy = DeltaCutInKineticEnergy[materialIndex];
// the threshold energy for delta production
Tcut = DeltaCutInKineticEnergy[materialIndex];
w1 = electron_mass_c2*(2.*ParticleMass-Tcut) ;
w2 = electron_mass_c2+ParticleMass ;
thresholdEnergy = 0.5*(sqrt(w1*w1+2.*electron_mass_c2*Tcut*w2*w2)-w1)
/electron_mass_c2 ;
// here assumed that the threshold energy for the process >=
// LowestKineticEnergy (temporarily )
if(thresholdEnergy >= LowestKineticEnergy)
@@ -292,9 +295,10 @@ void G4IhIonisation::BuildNlambdaVector(
else
coeff=1.0 ;
Value += coeff*T/(G4EnergyLossTables::GetPreciseDEDX(&aParticleType,
T,(*theMaterialTable)[materialIndex])*
(*theMeanFreePathTable)[materialIndex]->GetValue(T,isOut));
l = (*theMeanFreePathTable)[materialIndex]->GetValue(T,isOut);
if((l>lmin) && (l<lmax))
Value += coeff*T/(G4EnergyLossTables::GetPreciseDEDX(&aParticleType,
T,(*theMaterialTable)[materialIndex])*l) ;
}
Value *= du ;
@@ -307,7 +311,6 @@ void G4IhIonisation::BuildNlambdaVector(
Tlast = LowEdgeEnergy ;
Vlast = Value ;
}
}
@@ -551,7 +554,6 @@ void G4IhIonisation::BuildInverseNlambdaTable(
// inverse can be built for "meaningful" cut value only!
if(Smallest >= Biggest)
{
G4cout << endl ;
G4Exception(
"Cut value is too big , smaller value should be used !");
}
@@ -1013,15 +1015,17 @@ G4VParticleChange* G4IhIonisation::PostStepDoIt(const G4Track& trackData,
finalKineticEnergy = KineticEnergy - DeltaKineticEnergy ;
if (finalKineticEnergy > 0.)
{
// changed energy and momentum of the actual particle
finalMomentum=sqrt(finalKineticEnergy*
(finalKineticEnergy+2.*ParticleMass)) ;
finalPx = (TotalMomentum*ParticleDirection.x()
-DeltaTotalMomentum*DeltaDirection.x())/finalMomentum ;
finalPy = (TotalMomentum*ParticleDirection.y()
-DeltaTotalMomentum*DeltaDirection.y())/finalMomentum ;
finalPz = (TotalMomentum*ParticleDirection.z()
-DeltaTotalMomentum*DeltaDirection.z())/finalMomentum ;
finalPx = TotalMomentum*ParticleDirection.x()
- DeltaTotalMomentum*DeltaDirection.x();
finalPy = TotalMomentum*ParticleDirection.y()
- DeltaTotalMomentum*DeltaDirection.y();
finalPz = TotalMomentum*ParticleDirection.z()
- DeltaTotalMomentum*DeltaDirection.z();
finalMomentum =
sqrt(finalPx*finalPx+finalPy*finalPy+finalPz*finalPz) ;
finalPx /= finalMomentum ;
finalPy /= finalMomentum ;
finalPz /= finalMomentum ;
aParticleChange.SetMomentumChange( finalPx,finalPy,finalPz );
}