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This commit is contained in:
Gabriele Cosmo
2016-06-10 12:08:39 +02:00
parent 286caacf06
commit c9b32a6c0a
5770 changed files with 1050949 additions and 367105 deletions
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source/processes/electromagnetic/utils/src/G4EmSaturation.cc
+38 -25
View File
@@ -23,7 +23,7 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4EmSaturation.cc 66241 2012-12-13 18:34:42Z gunter $
// $Id: G4EmSaturation.cc 81936 2014-06-06 15:42:55Z gcosmo $
//
// -------------------------------------------------------------------
//
@@ -50,27 +50,27 @@
#include "G4NistManager.hh"
#include "G4Material.hh"
#include "G4MaterialCutsCouple.hh"
#include "G4Electron.hh"
#include "G4Proton.hh"
#include "G4ParticleTable.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
G4EmSaturation::G4EmSaturation()
G4EmSaturation::G4EmSaturation(G4int verb)
: manager(0)
{
verbose = 1;
verbose = verb;
manager = 0;
curMaterial = 0;
curBirks = 0.0;
curRatio = 1.0;
curChargeSq = 1.0;
nMaterials = 0;
nMaterials = nWarnings = 0;
electron = 0;
proton = 0;
nist = G4NistManager::Instance();
Initialise();
InitialiseG4materials();
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
@@ -96,7 +96,8 @@ G4double G4EmSaturation::VisibleEnergyDeposition(
G4int pdgCode = p->GetPDGEncoding();
// atomic relaxations for gamma incident
if(22 == pdgCode) {
if(22 == pdgCode && electron) {
//G4cout << "%% gamma edep= " << edep/keV << " keV " <<manager << G4endl;
evis /= (1.0 + bfactor*edep/manager->GetRange(electron,edep,couple));
// energy loss
@@ -104,11 +105,11 @@ G4double G4EmSaturation::VisibleEnergyDeposition(
// protections
G4double nloss = niel;
if(nloss < 0.0) nloss = 0.0;
if(nloss < 0.0) { nloss = 0.0; }
G4double eloss = edep - nloss;
// neutrons
if(2112 == pdgCode || eloss < 0.0 || length <= 0.0) {
// neutrons and neutral hadrons
if(0.0 == p->GetPDGCharge() || eloss < 0.0 || length <= 0.0) {
nloss = edep;
eloss = 0.0;
}
@@ -117,9 +118,14 @@ G4double G4EmSaturation::VisibleEnergyDeposition(
if(eloss > 0.0) { eloss /= (1.0 + bfactor*eloss/length); }
// non-ionizing energy loss
if(nloss > 0.0) {
if(!proton) { proton = G4Proton::Proton(); }
if(nloss > 0.0 && proton) {
G4double escaled = nloss*curRatio;
/*
G4cout << "%% p edep= " << nloss/keV << " keV Escaled= "
<< escaled << " MeV in " << couple->GetMaterial()->GetName()
<< " " << p->GetParticleName()
<< G4endl;
*/
G4double range = manager->GetRange(proton,escaled,couple)/curChargeSq;
nloss /= (1.0 + bfactor*nloss/range);
}
@@ -152,16 +158,15 @@ G4double G4EmSaturation::FindG4BirksCoefficient(const G4Material* mat)
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
G4double G4EmSaturation::FindBirksCoefficient(const G4Material* mat)
void G4EmSaturation::InitialiseBirksCoefficient(const G4Material* mat)
{
// electron should exist in any case
// electron and proton should exist in any case
if(!manager) {
manager = G4LossTableManager::Instance();
electron= G4Electron::Electron();
electron = G4ParticleTable::GetParticleTable()->FindParticle("e-");
proton = G4ParticleTable::GetParticleTable()->FindParticle("proton");
}
if(mat == curMaterial) { return curBirks; }
curMaterial = mat;
curBirks = 0.0;
curRatio = 1.0;
@@ -173,7 +178,7 @@ G4double G4EmSaturation::FindBirksCoefficient(const G4Material* mat)
curBirks = mat->GetIonisation()->GetBirksConstant();
curRatio = massFactors[i];
curChargeSq = effCharges[i];
return curBirks;
return;
}
}
@@ -192,9 +197,17 @@ G4double G4EmSaturation::FindBirksCoefficient(const G4Material* mat)
}
}
if(curBirks == 0.0 && verbose > 0) {
G4cout << "### G4EmSaturation::FindBirksCoefficient fails "
" for material " << name << G4endl;
if(curBirks == 0.0) {
if(0 < nWarnings) {
++nWarnings;
G4ExceptionDescription ed;
ed << "Birks constants are not defined for material " << name
<< " ! \n Define Birks constants for the material"
<< " or not apply saturation.";
G4Exception("G4EmSaturation::InitialiseBirksCoefficient", "em0088",
JustWarning, ed);
}
return;
}
// compute mean mass ratio
@@ -221,11 +234,11 @@ G4double G4EmSaturation::FindBirksCoefficient(const G4Material* mat)
massFactors.push_back(curRatio);
effCharges.push_back(curChargeSq);
nMaterials++;
if(curBirks > 0.0 && verbose > 0) {
if(verbose > 0) {
G4cout << "### G4EmSaturation::FindBirksCoefficient Birks coefficient for "
<< name << " " << curBirks*MeV/mm << " mm/MeV" << G4endl;
}
return curBirks;
return;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
@@ -260,7 +273,7 @@ void G4EmSaturation::DumpG4BirksCoefficients()
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
void G4EmSaturation::Initialise()
void G4EmSaturation::InitialiseG4materials()
{
// M.Hirschberg et al., IEEE Trans. Nuc. Sci. 39 (1992) 511
// SCSN-38 kB = 0.00842 g/cm^2/MeV; rho = 1.06 g/cm^3