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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/G4hIonisation.cc
+41 -41
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@@ -5,8 +5,8 @@
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: G4hIonisation.cc,v 2.10 1998/11/13 13:37:34 urban Exp $
// GEANT4 tag $Name: geant4-00 $
// $Id: G4hIonisation.cc,v 1.3 1999/04/13 09:05:42 urban Exp $
// GEANT4 tag $Name: geant4-00-01 $
//
// -------------------------------------------------------------
// GEANT 4 class implementation file
@@ -25,6 +25,7 @@
// several bugs corrected by L.Urban on 13/01/98
// 07-04-98: remove 'tracking cut' of the ionizing particle, MMa
// 22/10/98: cleanup L.Urban
// 02/02/99: bugs fixed , L.Urban
// --------------------------------------------------------------
@@ -66,13 +67,16 @@ void G4hIonisation::BuildPhysicsTable(const G4ParticleDefinition& aParticleType)
{
ParticleMass = aParticleType.GetPDGMass() ;
G4double Charge = aParticleType.GetPDGCharge();
Charge = aParticleType.GetPDGCharge();
G4double newCutInRange = aParticleType.GetLengthCuts();
G4double ElectronCutInRange = G4Electron::Electron()->GetCuts();
DeltaCutInKineticEnergy = theElectron->GetCutsInEnergy() ;
if(Charge>0.)
{
if( (CutInRange != newCutInRange) || (theDEDXpTable == NULL))
if( (ptableElectronCutInRange != ElectronCutInRange)
|| (theDEDXpTable == NULL))
{
BuildLossTable(aParticleType) ;
RecorderOfpProcess[CounterOfpProcess] = theLossTable ;
@@ -81,35 +85,27 @@ void G4hIonisation::BuildPhysicsTable(const G4ParticleDefinition& aParticleType)
}
else
{
if( (CutInRange != newCutInRange) || (theDEDXpbarTable == NULL))
if( (pbartableElectronCutInRange != ElectronCutInRange)
|| (theDEDXpbarTable == NULL))
{
BuildLossTable(aParticleType) ;
RecorderOfpbarProcess[CounterOfpbarProcess] = theLossTable ;
CounterOfpbarProcess++;
}
}
G4double saveCutInRange = CutInRange ;
CutInRange = newCutInRange ;
BuildLambdaTable(aParticleType) ;
CutInRange = saveCutInRange ;
BuildDEDXTable(aParticleType) ;
if(&aParticleType == G4Proton::Proton())
PrintInfoDefinition();
}
void G4hIonisation::BuildLossTable(const G4ParticleDefinition& aParticleType)
{
G4double Charge = aParticleType.GetPDGCharge() ;
// cuts for p/pbar and electron ....................
if(Charge>0.)
ParticleCutInKineticEnergy = theProton->GetCutsInEnergy() ;
else
ParticleCutInKineticEnergy = theAntiProton->GetCutsInEnergy() ;
// cuts for electron ....................
DeltaCutInKineticEnergy = theElectron->GetCutsInEnergy() ;
G4double LowEdgeEnergy , ionloss ;
@@ -142,7 +138,7 @@ void G4hIonisation::BuildLossTable(const G4ParticleDefinition& aParticleType)
G4PhysicsLogVector* aVector = new G4PhysicsLogVector(
LowestKineticEnergy, HighestKineticEnergy, TotBin);
// get material parameters needed for the energy loss calculation
G4double ElectronDensity,Eexc,Eexc2,Cden,Mden,Aden,X0den,X1den,taul ;
@@ -257,6 +253,7 @@ void G4hIonisation::BuildLossTable(const G4ParticleDefinition& aParticleType)
ionloss -= delta + sh ;
ionloss *= Factor*ElectronDensity/beta2 ;
}
if ( ionloss <= 0.)
ionloss = 0. ;
@@ -283,7 +280,6 @@ void G4hIonisation::BuildLambdaTable(const G4ParticleDefinition& aParticleType)
G4int numOfMaterials = theMaterialTable->length();
if (theMeanFreePathTable) {
theMeanFreePathTable->clearAndDestroy();
delete theMeanFreePathTable;
@@ -295,8 +291,6 @@ void G4hIonisation::BuildLambdaTable(const G4ParticleDefinition& aParticleType)
DeltaCutInKineticEnergy = theElectron->GetCutsInEnergy() ;
ParticleCutInKineticEnergy = aParticleType.GetEnergyCuts() ;
// loop for materials
for (G4int J=0 ; J < numOfMaterials; J++)
@@ -387,19 +381,23 @@ G4double G4hIonisation::ComputeMicroscopicCrossSection(
tempvar=DeltaCutInKineticEnergyNow/MaxKineticEnergyTransfer;
TotalCrossSection = (1.-tempvar*(1.-betasquare*log(tempvar)))
/DeltaCutInKineticEnergyNow;
// +term for spin=1/2 particle
if(aParticleType.GetPDGSpin() == 1)
if(aParticleType.GetPDGSpin() == 0.5)
{
TotalCrossSection += 0.5
*(MaxKineticEnergyTransfer-DeltaCutInKineticEnergyNow)
/(TotalEnergy*TotalEnergy);
G4double Section = 0.5
*(MaxKineticEnergyTransfer-DeltaCutInKineticEnergyNow)
/(TotalEnergy*TotalEnergy);
}
TotalCrossSection = twopi_mc2_rcl2 * AtomicNumber
*TotalCrossSection/betasquare;
}
else
TotalCrossSection= 0. ;
return TotalCrossSection ;
}
@@ -424,7 +422,7 @@ G4VParticleChange* G4hIonisation::PostStepDoIt(
aParticle = trackData.GetDynamicParticle() ;
G4double Charge=aParticle->GetDefinition()->GetPDGCharge();
ParticleMass=aParticle->GetDefinition()->GetPDGMass();
KineticEnergy=aParticle->GetKineticEnergy();
TotalEnergy=KineticEnergy + ParticleMass ;
Psquare=KineticEnergy*(TotalEnergy+ParticleMass) ;
@@ -432,9 +430,7 @@ G4VParticleChange* G4hIonisation::PostStepDoIt(
summass = ParticleMass + electron_mass_c2 ;
G4ParticleMomentum ParticleDirection = aParticle->GetMomentumDirection() ;
// get kinetic energy cut for particle and for the electron....
ParticleCutInKineticEnergyNow =
ParticleCutInKineticEnergy[aMaterial->GetIndex()];
// get kinetic energy cut for the electron....
DeltaCutInKineticEnergyNow = DeltaCutInKineticEnergy[aMaterial->GetIndex()];
// some kinematics......................
@@ -509,24 +505,28 @@ G4VParticleChange* G4hIonisation::PostStepDoIt(
// fill aParticleChange
finalKineticEnergy = KineticEnergy - DeltaKineticEnergy ;
if (finalKineticEnergy > 0.)
G4double Edep = 0 ;
if (finalKineticEnergy > MinKineticEnergy)
{
// changed energy and momentum of the actual particle
finalMomentum=sqrt(finalKineticEnergy*
(finalKineticEnergy+2.*ParticleMass)) ;
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 ;
finalPx = (TotalMomentum*ParticleDirection.x()
-DeltaTotalMomentum*DeltaDirection.x())/finalMomentum ;
finalPy = (TotalMomentum*ParticleDirection.y()
-DeltaTotalMomentum*DeltaDirection.y())/finalMomentum ;
finalPz = (TotalMomentum*ParticleDirection.z()
-DeltaTotalMomentum*DeltaDirection.z())/finalMomentum ;
aParticleChange.SetMomentumChange( finalPx,finalPy,finalPz );
aParticleChange.SetMomentumChange( finalPx,finalPy,finalPz );
}
else
{
finalKineticEnergy = 0. ;
Edep = finalKineticEnergy ;
if (aParticle->GetDefinition()->GetParticleName() == "proton")
aParticleChange.SetStatusChange(fStopAndKill);
else aParticleChange.SetStatusChange(fStopButAlive);
@@ -535,7 +535,7 @@ G4VParticleChange* G4hIonisation::PostStepDoIt(
aParticleChange.SetEnergyChange( finalKineticEnergy );
aParticleChange.SetNumberOfSecondaries(1);
aParticleChange.AddSecondary( theDeltaRay );
aParticleChange.SetLocalEnergyDeposit (0.);
aParticleChange.SetLocalEnergyDeposit (Edep);
//ResetNumberOfInteractionLengthLeft();
return G4VContinuousDiscreteProcess::PostStepDoIt(trackData,stepData);