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This commit is contained in:
Gabriele Cosmo
2016-06-08 15:34:16 +02:00
parent ca1c8cb059
commit 103bda00c8
2654 changed files with 29719 additions and 20203 deletions
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source/processes/electromagnetic/lowenergy/src/G4LowEnergyGammaConversion.cc
+14 -33
View File
@@ -5,8 +5,8 @@
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: G4LowEnergyGammaConversion.cc,v 1.9.8.1 1999/12/07 20:50:24 gunter Exp $
// GEANT4 tag $Name: geant4-01-00 $
// $Id: G4LowEnergyGammaConversion.cc,v 1.11 2000/01/26 09:50:00 lefebure Exp $
// GEANT4 tag $Name: geant4-01-01 $
//
//
// --------------------------------------------------------------
@@ -15,28 +15,9 @@
//
// For information related to this code contact:
// CERN, IT Division, ASD group
// History: first implementation, based on object model of
// 2nd December 1995, G.Cosmo
// ------------ G4LowEnergyGammaConversion physics process --------
// by Michel Maire, 24 May 1996
// by A.Forti 1999/03/02
// **************************************************************
// 11-06-96, Added SelectRandomAtom() method, M.Maire
// 21-06-96, SetCuts implementation, M.Maire
// 24-06-96, simplification in ComputeMicroscopicCrossSection, M.Maire
// 24-06-96, in DoIt : change the particleType stuff, M.Maire
// 25-06-96, modification in the generation of the teta angle, M.Maire
// 16-09-96, minors optimisations in DoIt. Thanks to P.Urban
// dynamical array PartialSumSigma
// 13-12-96, fast sampling of epsil below 2 MeV, L.Urban
// 14-01-97, crossection table + meanfreepath table.
// PartialSumSigma removed, M.Maire
// 14-01-97, in DoIt the positron is always created, even with Ekine=0,
// for further annihilation, M.Maire
// 14-03-97, new Physics scheme for geant4alpha, M.Maire
// 28-03-97, protection in BuildPhysicsTable, M.Maire
// 19-06-97, correction in ComputeMicroscopicCrossSection, L.Urban
// 04-06-98, in DoIt, secondary production condition: range>min(threshold,safety)
// --------------------------------------------------------------
// This Class Header
#include "G4LowEnergyGammaConversion.hh"
@@ -58,9 +39,9 @@ G4LowEnergyGammaConversion::G4LowEnergyGammaConversion(const G4String& processNa
NumbBinTable(200)
{
if (verboseLevel>0) {
G4cout << GetProcessName() << " is created "<< endl;
G4cout << GetProcessName() << " is created "<< G4endl;
G4cout << "LowestEnergy: " << LowestEnergyLimit/keV << "keV ";
G4cout << "HighestEnergy: " << HighestEnergyLimit/GeV << "GeV " << endl;
G4cout << "HighestEnergy: " << HighestEnergyLimit/GeV << "GeV " << G4endl;
}
}
@@ -196,11 +177,11 @@ G4VParticleChange* G4LowEnergyGammaConversion::PostStepDoIt(const G4Track& aTrac
// limits of the screening variable
G4double screenfac = 136.*epsil0/(anElement->GetIonisation()->GetZ3()) ;
G4double screenmax = exp ((42.24 - FZ)/8.368) - 0.952 ;
G4double screenmin = min(4.*screenfac,screenmax) ;
G4double screenmin = G4std::min(4.*screenfac,screenmax) ;
// limits of the energy sampling
G4double epsil1 = 0.5 - 0.5*sqrt(1. - screenmin/screenmax) ;
G4double epsilmin = max(epsil0,epsil1) , epsilrange = 0.5 - epsilmin ;
G4double epsilmin = G4std::max(epsil0,epsil1) , epsilrange = 0.5 - epsilmin ;
//
// sample the energy rate of the created electron (or positron)
@@ -209,7 +190,7 @@ G4VParticleChange* G4LowEnergyGammaConversion::PostStepDoIt(const G4Track& aTrac
G4double screenvar, greject ;
G4double F10 = ScreenFunction1(screenmin) - FZ , F20 = ScreenFunction2(screenmin) - FZ;
G4double NormF1 = max(F10*epsilrange*epsilrange,0.) , NormF2 = max(1.5*F20,0.);
G4double NormF1 = G4std::max(F10*epsilrange*epsilrange,0.) , NormF2 = G4std::max(1.5*F20,0.);
do {
if ( NormF1/(NormF1+NormF2) > G4UniformRand() ){
@@ -272,10 +253,10 @@ G4VParticleChange* G4LowEnergyGammaConversion::PostStepDoIt(const G4Track& aTrac
G4double LocalEnerDeposit = 0. ;
aParticleChange.SetNumberOfSecondaries(2) ;
G4double ElectKineEnergy = max(0.,ElectTotEnergy - electron_mass_c2) ;
G4double ElectKineEnergy = G4std::max(0.,ElectTotEnergy - electron_mass_c2) ;
if (G4EnergyLossTables::GetRange(G4Electron::Electron(), ElectKineEnergy, aMaterial)
>= min(G4Electron::GetCuts(), aStep.GetPostStepPoint()->GetSafety()) ){
>= G4std::min(G4Electron::GetCuts(), aStep.GetPostStepPoint()->GetSafety()) ){
G4ThreeVector ElectDirection ( dirx, diry, dirz );
ElectDirection.rotateUz(GammaDirection);
@@ -292,10 +273,10 @@ G4VParticleChange* G4LowEnergyGammaConversion::PostStepDoIt(const G4Track& aTrac
// the e+ is always created (even with Ekine=0) for further annihilation.
G4double PositKineEnergy = max(0.,PositTotEnergy - electron_mass_c2) ;
G4double PositKineEnergy = G4std::max(0.,PositTotEnergy - electron_mass_c2) ;
if (G4EnergyLossTables::GetRange(G4Positron::Positron(),PositKineEnergy,aMaterial)
< min(G4Positron::GetCuts(), aStep.GetPostStepPoint()->GetSafety()) ){
< G4std::min(G4Positron::GetCuts(), aStep.GetPostStepPoint()->GetSafety()) ){
LocalEnerDeposit += PositKineEnergy ;
PositKineEnergy = 0. ;
@@ -320,7 +301,7 @@ G4VParticleChange* G4LowEnergyGammaConversion::PostStepDoIt(const G4Track& aTrac
aParticleChange.SetStatusChange( fStopAndKill ) ;
#ifdef G4VERBOSE
if(verboseLevel > 15){
G4cout<<"LE Gamma Conversion PostStepDoIt"<<endl;
G4cout<<"LE Gamma Conversion PostStepDoIt"<<G4endl;
}
#endif
// Reset NbOfInteractionLengthLeft and return aParticleChange
@@ -417,7 +398,7 @@ G4Element* G4LowEnergyGammaConversion::SelectRandomAtom(const G4DynamicParticle*
if(rval <= PartialSumSigma) return ((*theElementVector)(i));
}
// G4cout << " WARNING !!! - The Material '"<< aMaterial->GetName()
// << "' has no elements" << endl;
// << "' has no elements" << G4endl;
return (*theElementVector)(0);
}