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This commit is contained in:
Gabriele Cosmo
2016-06-10 14:11:04 +02:00
parent c9b32a6c0a
commit d4af681f38
4886 changed files with 420149 additions and 1023309 deletions
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source/processes/electromagnetic/dna/models/src/G4DNADingfelderChargeIncreaseModel.cc
+384 -333
View File
@@ -23,7 +23,7 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
// $Id: G4DNADingfelderChargeIncreaseModel.cc 70171 2013-05-24 13:34:18Z gcosmo $
// $Id: G4DNADingfelderChargeIncreaseModel.cc 92859 2015-09-18 07:58:30Z gcosmo $
//
#include "G4DNADingfelderChargeIncreaseModel.hh"
@@ -38,28 +38,32 @@ using namespace std;
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
G4DNADingfelderChargeIncreaseModel::G4DNADingfelderChargeIncreaseModel(const G4ParticleDefinition*,
const G4String& nam)
:G4VEmModel(nam),isInitialised(false)
const G4String& nam) :
G4VEmModel(nam), isInitialised(false)
{
// nistwater = G4NistManager::Instance()->FindOrBuildMaterial("G4_WATER");
fpMolWaterDensity = 0;
// nistwater = G4NistManager::Instance()->FindOrBuildMaterial("G4_WATER");
fpMolWaterDensity = 0;
numberOfPartialCrossSections[0]=0;
numberOfPartialCrossSections[1]=0;
numberOfPartialCrossSections[0] = 0;
numberOfPartialCrossSections[1] = 0;
verboseLevel= 0;
// Verbosity scale:
// 0 = nothing
// 1 = warning for energy non-conservation
// 2 = details of energy budget
// 3 = calculation of cross sections, file openings, sampling of atoms
// 4 = entering in methods
verboseLevel = 0;
// Verbosity scale:
// 0 = nothing
// 1 = warning for energy non-conservation
// 2 = details of energy budget
// 3 = calculation of cross sections, file openings, sampling of atoms
// 4 = entering in methods
if( verboseLevel>0 )
{
G4cout << "Dingfelder charge increase model is constructed " << G4endl;
}
fParticleChangeForGamma = 0;
if (verboseLevel > 0)
{
G4cout << "Dingfelder charge increase model is constructed " << G4endl;
}
fParticleChangeForGamma = 0;
// Selection of stationary mode
statCode = false;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
@@ -73,116 +77,120 @@ void G4DNADingfelderChargeIncreaseModel::Initialise(const G4ParticleDefinition*
const G4DataVector& /*cuts*/)
{
if (verboseLevel > 3)
G4cout << "Calling G4DNADingfelderChargeIncreaseModel::Initialise()" << G4endl;
if (verboseLevel > 3)
{
G4cout << "Calling G4DNADingfelderChargeIncreaseModel::Initialise()"
<< G4endl;
}
// Energy limits
// Energy limits
G4DNAGenericIonsManager *instance;
instance = G4DNAGenericIonsManager::Instance();
G4ParticleDefinition* hydrogenDef = instance->GetIon("hydrogen");
G4ParticleDefinition* alphaPlusDef = instance->GetIon("alpha+");
G4ParticleDefinition* heliumDef = instance->GetIon("helium");
G4DNAGenericIonsManager *instance;
instance = G4DNAGenericIonsManager::Instance();
G4ParticleDefinition* hydrogenDef = instance->GetIon("hydrogen");
G4ParticleDefinition* alphaPlusDef = instance->GetIon("alpha+");
G4ParticleDefinition* heliumDef = instance->GetIon("helium");
G4String hydrogen;
G4String alphaPlus;
G4String helium;
G4String hydrogen;
G4String alphaPlus;
G4String helium;
// LIMITS
// LIMITS
hydrogen = hydrogenDef->GetParticleName();
lowEnergyLimit[hydrogen] = 100. * eV;
highEnergyLimit[hydrogen] = 100. * MeV;
hydrogen = hydrogenDef->GetParticleName();
lowEnergyLimit[hydrogen] = 100. * eV;
highEnergyLimit[hydrogen] = 100. * MeV;
alphaPlus = alphaPlusDef->GetParticleName();
lowEnergyLimit[alphaPlus] = 1. * keV;
highEnergyLimit[alphaPlus] = 400. * MeV;
alphaPlus = alphaPlusDef->GetParticleName();
lowEnergyLimit[alphaPlus] = 1. * keV;
highEnergyLimit[alphaPlus] = 400. * MeV;
helium = heliumDef->GetParticleName();
lowEnergyLimit[helium] = 1. * keV;
highEnergyLimit[helium] = 400. * MeV;
helium = heliumDef->GetParticleName();
lowEnergyLimit[helium] = 1. * keV;
highEnergyLimit[helium] = 400. * MeV;
//
if (particle==hydrogenDef)
{
SetLowEnergyLimit(lowEnergyLimit[hydrogen]);
SetHighEnergyLimit(highEnergyLimit[hydrogen]);
}
//
if (particle==alphaPlusDef)
{
SetLowEnergyLimit(lowEnergyLimit[alphaPlus]);
SetHighEnergyLimit(highEnergyLimit[alphaPlus]);
}
if (particle==hydrogenDef)
{
SetLowEnergyLimit(lowEnergyLimit[hydrogen]);
SetHighEnergyLimit(highEnergyLimit[hydrogen]);
}
if (particle==heliumDef)
{
SetLowEnergyLimit(lowEnergyLimit[helium]);
SetHighEnergyLimit(highEnergyLimit[helium]);
}
if (particle==alphaPlusDef)
{
SetLowEnergyLimit(lowEnergyLimit[alphaPlus]);
SetHighEnergyLimit(highEnergyLimit[alphaPlus]);
}
// Final state
if (particle==heliumDef)
{
SetLowEnergyLimit(lowEnergyLimit[helium]);
SetHighEnergyLimit(highEnergyLimit[helium]);
}
//ALPHA+
// Final state
f0[0][0]=1.;
a0[0][0]=2.25;
a1[0][0]=-0.75;
b0[0][0]=-32.10;
c0[0][0]=0.600;
d0[0][0]=2.40;
x0[0][0]=4.60;
//ALPHA+
x1[0][0]=-1.;
b1[0][0]=-1.;
f0[0][0]=1.;
a0[0][0]=2.25;
a1[0][0]=-0.75;
b0[0][0]=-32.10;
c0[0][0]=0.600;
d0[0][0]=2.40;
x0[0][0]=4.60;
numberOfPartialCrossSections[0]=1;
x1[0][0]=-1.;
b1[0][0]=-1.;
//HELIUM
numberOfPartialCrossSections[0]=1;
f0[0][1]=1.;
a0[0][1]=2.25;
a1[0][1]=-0.75;
b0[0][1]=-30.93;
c0[0][1]=0.590;
d0[0][1]=2.35;
x0[0][1]=4.29;
//HELIUM
f0[1][1]=1.;
a0[1][1]=2.25;
a1[1][1]=-0.75;
b0[1][1]=-32.61;
c0[1][1]=0.435;
d0[1][1]=2.70;
x0[1][1]=4.45;
f0[0][1]=1.;
a0[0][1]=2.25;
a1[0][1]=-0.75;
b0[0][1]=-30.93;
c0[0][1]=0.590;
d0[0][1]=2.35;
x0[0][1]=4.29;
x1[0][1]=-1.;
b1[0][1]=-1.;
f0[1][1]=1.;
a0[1][1]=2.25;
a1[1][1]=-0.75;
b0[1][1]=-32.61;
c0[1][1]=0.435;
d0[1][1]=2.70;
x0[1][1]=4.45;
x1[1][1]=-1.;
b1[1][1]=-1.;
x1[0][1]=-1.;
b1[0][1]=-1.;
numberOfPartialCrossSections[1]=2;
x1[1][1]=-1.;
b1[1][1]=-1.;
//
numberOfPartialCrossSections[1]=2;
if( verboseLevel>0 )
{
G4cout << "Dingfelder charge increase model is initialized " << G4endl
<< "Energy range: "
<< LowEnergyLimit() / keV << " keV - "
<< HighEnergyLimit() / MeV << " MeV for "
<< particle->GetParticleName()
<< G4endl;
}
//
// Initialize water density pointer
fpMolWaterDensity = G4DNAMolecularMaterial::Instance()->GetNumMolPerVolTableFor(G4Material::GetMaterial("G4_WATER"));
if( verboseLevel>0 )
{
G4cout << "Dingfelder charge increase model is initialized " << G4endl
<< "Energy range: "
<< LowEnergyLimit() / keV << " keV - "
<< HighEnergyLimit() / MeV << " MeV for "
<< particle->GetParticleName()
<< G4endl;
}
if (isInitialised) { return; }
fParticleChangeForGamma = GetParticleChangeForGamma();
isInitialised = true;
// Initialize water density pointer
fpMolWaterDensity = G4DNAMolecularMaterial::Instance()->GetNumMolPerVolTableFor(G4Material::GetMaterial("G4_WATER"));
if (isInitialised)
{ return;}
fParticleChangeForGamma = GetParticleChangeForGamma();
isInitialised = true;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
@@ -193,335 +201,378 @@ G4double G4DNADingfelderChargeIncreaseModel::CrossSectionPerVolume(const G4Mater
G4double,
G4double)
{
if (verboseLevel > 3)
G4cout << "Calling CrossSectionPerVolume() of G4DNADingfelderChargeIncreaseModel" << G4endl;
if (verboseLevel > 3)
{
G4cout
<< "Calling CrossSectionPerVolume() of G4DNADingfelderChargeIncreaseModel"
<< G4endl;
}
// Calculate total cross section for model
// Calculate total cross section for model
G4DNAGenericIonsManager *instance;
instance = G4DNAGenericIonsManager::Instance();
G4DNAGenericIonsManager *instance;
instance = G4DNAGenericIonsManager::Instance();
if (
particleDefinition != instance->GetIon("hydrogen")
&&
particleDefinition != instance->GetIon("alpha+")
&&
particleDefinition != instance->GetIon("helium")
)
if (
particleDefinition != instance->GetIon("hydrogen")
&&
particleDefinition != instance->GetIon("alpha+")
&&
particleDefinition != instance->GetIon("helium")
)
return 0;
return 0;
G4double lowLim = 0;
G4double highLim = 0;
G4double totalCrossSection = 0.;
G4double lowLim = 0;
G4double highLim = 0;
G4double totalCrossSection = 0.;
G4double waterDensity = (*fpMolWaterDensity)[material->GetIndex()];
G4double waterDensity = (*fpMolWaterDensity)[material->GetIndex()];
if(waterDensity!= 0.0)
if(waterDensity!= 0.0)
// if (material == nistwater || material->GetBaseMaterial() == nistwater)
{
const G4String& particleName = particleDefinition->GetParticleName();
std::map< G4String,G4double,std::less<G4String> >::iterator pos1;
pos1 = lowEnergyLimit.find(particleName);
if (pos1 != lowEnergyLimit.end())
{
const G4String& particleName = particleDefinition->GetParticleName();
std::map< G4String,G4double,std::less<G4String> >::iterator pos1;
pos1 = lowEnergyLimit.find(particleName);
if (pos1 != lowEnergyLimit.end())
{
lowLim = pos1->second;
}
std::map< G4String,G4double,std::less<G4String> >::iterator pos2;
pos2 = highEnergyLimit.find(particleName);
if (pos2 != highEnergyLimit.end())
{
highLim = pos2->second;
}
if (k >= lowLim && k < highLim)
{
//HYDROGEN
if (particleDefinition == instance->GetIon("hydrogen"))
{
const G4double aa = 2.835;
const G4double bb = 0.310;
const G4double cc = 2.100;
const G4double dd = 0.760;
const G4double fac = 1.0e-18;
const G4double rr = 13.606 * eV;
G4double t = k / (proton_mass_c2/electron_mass_c2);
G4double x = t / rr;
G4double temp = 4.0 * pi * Bohr_radius/nm * Bohr_radius/nm * fac;
G4double sigmal = temp * cc * (std::pow(x,dd));
G4double sigmah = temp * (aa * std::log(1.0 + x) + bb) / x;
totalCrossSection = 1.0/(1.0/sigmal + 1.0/sigmah) *m*m;
}
else
{
totalCrossSection = Sum(k,particleDefinition);
}
}
if (verboseLevel > 2)
{
G4cout << "__________________________________" << G4endl;
G4cout << "°°° G4DNADingfelderChargeIncreaseModel - XS INFO START" << G4endl;
G4cout << "°°° Kinetic energy(eV)=" << k/eV << " particle : " << particleName << G4endl;
G4cout << "°°° Cross section per water molecule (cm^2)=" << totalCrossSection/cm/cm << G4endl;
G4cout << "°°° Cross section per water molecule (cm^-1)=" << totalCrossSection*waterDensity/(1./cm) << G4endl;
// G4cout << " - Cross section per water molecule (cm^-1)=" << sigma*material->GetAtomicNumDensityVector()[1]/(1./cm) << G4endl;
G4cout << "°°° G4DNADingfelderChargeIncreaseModel - XS INFO END" << G4endl;
}
lowLim = pos1->second;
}
return totalCrossSection*waterDensity;
std::map< G4String,G4double,std::less<G4String> >::iterator pos2;
pos2 = highEnergyLimit.find(particleName);
if (pos2 != highEnergyLimit.end())
{
highLim = pos2->second;
}
if (k >= lowLim && k < highLim)
{
//HYDROGEN
if (particleDefinition == instance->GetIon("hydrogen"))
{
const G4double aa = 2.835;
const G4double bb = 0.310;
const G4double cc = 2.100;
const G4double dd = 0.760;
const G4double fac = 1.0e-18;
const G4double rr = 13.606 * eV;
G4double t = k / (proton_mass_c2/electron_mass_c2);
G4double x = t / rr;
G4double temp = 4.0 * pi * Bohr_radius/nm * Bohr_radius/nm * fac;
G4double sigmal = temp * cc * (std::pow(x,dd));
G4double sigmah = temp * (aa * std::log(1.0 + x) + bb) / x;
totalCrossSection = 1.0/(1.0/sigmal + 1.0/sigmah) *m*m;
}
else
{
totalCrossSection = Sum(k,particleDefinition);
}
}
if (verboseLevel > 2)
{
G4cout << "__________________________________" << G4endl;
G4cout << "G4DNADingfelderChargeIncreaseModel - XS INFO START" << G4endl;
G4cout << "Kinetic energy(eV)=" << k/eV << " particle : " << particleName << G4endl;
G4cout << "Cross section per water molecule (cm^2)=" << totalCrossSection/cm/cm << G4endl;
G4cout << "Cross section per water molecule (cm^-1)=" << totalCrossSection*waterDensity/(1./cm) << G4endl;
// G4cout << " - Cross section per water molecule (cm^-1)=" << sigma*material->GetAtomicNumDensityVector()[1]/(1./cm) << G4endl;
G4cout << "G4DNADingfelderChargeIncreaseModel - XS INFO END" << G4endl;
}
}
return totalCrossSection*waterDensity;
// return totalCrossSection*material->GetAtomicNumDensityVector()[1];
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
void G4DNADingfelderChargeIncreaseModel::SampleSecondaries(std::vector<G4DynamicParticle*>* fvect,
void G4DNADingfelderChargeIncreaseModel::SampleSecondaries(std::vector<
G4DynamicParticle*>* fvect,
const G4MaterialCutsCouple* /*couple*/,
const G4DynamicParticle* aDynamicParticle,
G4double,
G4double)
{
if (verboseLevel > 3)
G4cout << "Calling SampleSecondaries() of G4DNADingfelderChargeIncreaseModel" << G4endl;
if (verboseLevel > 3)
{
G4cout
<< "Calling SampleSecondaries() of G4DNADingfelderChargeIncreaseModel"
<< G4endl;
}
if (!statCode) fParticleChangeForGamma->ProposeLocalEnergyDeposit(0.);
G4ParticleDefinition* definition = aDynamicParticle->GetDefinition();
fParticleChangeForGamma->ProposeTrackStatus(fStopAndKill);
fParticleChangeForGamma->ProposeLocalEnergyDeposit(0.);
G4double particleMass = definition->GetPDGMass();
G4ParticleDefinition* definition = aDynamicParticle->GetDefinition();
G4double inK = aDynamicParticle->GetKineticEnergy();
G4double particleMass = definition->GetPDGMass();
G4int finalStateIndex = RandomSelect(inK,definition);
G4double inK = aDynamicParticle->GetKineticEnergy();
G4int n = NumberOfFinalStates(definition,finalStateIndex);
G4int finalStateIndex = RandomSelect(inK,definition);
G4double outK = 0.;
if (!statCode) outK = inK - IncomingParticleBindingEnergyConstant(definition,finalStateIndex);
G4int n = NumberOfFinalStates(definition,finalStateIndex);
else outK = inK;
if (statCode)
fParticleChangeForGamma->ProposeLocalEnergyDeposit(IncomingParticleBindingEnergyConstant(definition,finalStateIndex));
G4double outK = inK - IncomingParticleBindingEnergyConstant(definition,finalStateIndex);
fParticleChangeForGamma->ProposeTrackStatus(fStopAndKill);
G4DNAGenericIonsManager* instance;
instance = G4DNAGenericIonsManager::Instance();
G4DNAGenericIonsManager* instance;
instance = G4DNAGenericIonsManager::Instance();
G4double electronK;
if (definition == instance->GetIon("hydrogen")) electronK = inK*electron_mass_c2/proton_mass_c2;
else electronK = inK*electron_mass_c2/(particleMass);
G4double electronK;
if (definition == instance->GetIon("hydrogen")) electronK = inK*electron_mass_c2/proton_mass_c2;
else electronK = inK*electron_mass_c2/(particleMass);
if (outK<0)
{
G4Exception("G4DNADingfelderChargeIncreaseModel::SampleSecondaries","em0004",
FatalException,"Final kinetic energy is negative.");
}
if (outK<0)
{
G4Exception("G4DNADingfelderChargeIncreaseModel::SampleSecondaries","em0004",
FatalException,"Final kinetic energy is negative.");
}
G4DynamicParticle* dp = new G4DynamicParticle
G4DynamicParticle* dp = new G4DynamicParticle(OutgoingParticleDefinition(definition,finalStateIndex),
aDynamicParticle->GetMomentumDirection(),
outK);
(OutgoingParticleDefinition(definition,finalStateIndex),
aDynamicParticle->GetMomentumDirection(),
outK) ;
fvect->push_back(dp);
fvect->push_back(dp);
n = n - 1;
while (n>0)
{
n--;
fvect->push_back(new G4DynamicParticle
(G4Electron::Electron(), aDynamicParticle->GetMomentumDirection(), electronK) );
}
n = n - 1;
while (n>0)
{
n--;
fvect->push_back(new G4DynamicParticle
(G4Electron::Electron(), aDynamicParticle->GetMomentumDirection(), electronK) );
}
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4int G4DNADingfelderChargeIncreaseModel::NumberOfFinalStates(G4ParticleDefinition* particleDefinition,
G4int finalStateIndex )
G4int G4DNADingfelderChargeIncreaseModel::NumberOfFinalStates(G4ParticleDefinition* particleDefinition,
G4int finalStateIndex)
{
G4DNAGenericIonsManager* instance;
instance = G4DNAGenericIonsManager::Instance();
if (particleDefinition == instance->GetIon("hydrogen")) return 2;
if (particleDefinition == instance->GetIon("alpha+")) return 2;
instance = G4DNAGenericIonsManager::Instance();
if (particleDefinition == instance->GetIon("hydrogen"))
return 2;
if (particleDefinition == instance->GetIon("alpha+"))
return 2;
if (particleDefinition == instance->GetIon("helium"))
{ if (finalStateIndex==0) return 2;
return 3;
}
return 0;
if (particleDefinition == instance->GetIon("helium"))
{
if (finalStateIndex == 0)
return 2;
return 3;
}
return 0;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4ParticleDefinition* G4DNADingfelderChargeIncreaseModel::OutgoingParticleDefinition (G4ParticleDefinition* particleDefinition,
G4int finalStateIndex)
G4ParticleDefinition* G4DNADingfelderChargeIncreaseModel::OutgoingParticleDefinition(G4ParticleDefinition* particleDefinition,
G4int finalStateIndex)
{
G4DNAGenericIonsManager * instance(G4DNAGenericIonsManager::Instance());
if (particleDefinition == instance->GetIon("hydrogen")) return G4Proton::Proton();
if (particleDefinition == instance->GetIon("alpha+")) return instance->GetIon("alpha++");
G4DNAGenericIonsManager * instance(G4DNAGenericIonsManager::Instance());
if (particleDefinition == instance->GetIon("hydrogen"))
return G4Proton::Proton();
if (particleDefinition == instance->GetIon("alpha+"))
return instance->GetIon("alpha++");
if (particleDefinition == instance->GetIon("helium"))
{
if (finalStateIndex==0) return instance->GetIon("alpha+");
return instance->GetIon("alpha++");
}
return 0;
if (particleDefinition == instance->GetIon("helium"))
{
if (finalStateIndex == 0)
return instance->GetIon("alpha+");
return instance->GetIon("alpha++");
}
return 0;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4double G4DNADingfelderChargeIncreaseModel::IncomingParticleBindingEnergyConstant(G4ParticleDefinition* particleDefinition,
G4int finalStateIndex )
G4double G4DNADingfelderChargeIncreaseModel::IncomingParticleBindingEnergyConstant(G4ParticleDefinition* particleDefinition,
G4int finalStateIndex)
{
G4DNAGenericIonsManager * instance(G4DNAGenericIonsManager::Instance());
if(particleDefinition == instance->GetIon("hydrogen")) return 13.6*eV;
G4DNAGenericIonsManager * instance(G4DNAGenericIonsManager::Instance());
if (particleDefinition == instance->GetIon("hydrogen"))
return 13.6 * eV;
if(particleDefinition == instance->GetIon("alpha+"))
{
// Binding energy for He+ -> He++ + e- 54.509 eV
// Binding energy for He -> He+ + e- 24.587 eV
return 54.509*eV;
}
if (particleDefinition == instance->GetIon("alpha+"))
{
// Binding energy for He+ -> He++ + e- 54.509 eV
// Binding energy for He -> He+ + e- 24.587 eV
return 54.509 * eV;
}
if(particleDefinition == instance->GetIon("helium"))
{
// Binding energy for He+ -> He++ + e- 54.509 eV
// Binding energy for He -> He+ + e- 24.587 eV
if (particleDefinition == instance->GetIon("helium"))
{
// Binding energy for He+ -> He++ + e- 54.509 eV
// Binding energy for He -> He+ + e- 24.587 eV
if (finalStateIndex==0) return 24.587*eV;
return (54.509 + 24.587)*eV;
}
if (finalStateIndex == 0)
return 24.587 * eV;
return (54.509 + 24.587) * eV;
}
return 0;
return 0;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4double G4DNADingfelderChargeIncreaseModel::PartialCrossSection(G4double k, G4int index,
G4double G4DNADingfelderChargeIncreaseModel::PartialCrossSection(G4double k,
G4int index,
const G4ParticleDefinition* particleDefinition)
{
G4int particleTypeIndex = 0;
G4DNAGenericIonsManager *instance;
instance = G4DNAGenericIonsManager::Instance();
G4int particleTypeIndex = 0;
G4DNAGenericIonsManager *instance;
instance = G4DNAGenericIonsManager::Instance();
if (particleDefinition == instance->GetIon("alpha+"))
particleTypeIndex = 0;
if (particleDefinition == instance->GetIon("helium"))
particleTypeIndex = 1;
if (particleDefinition == instance->GetIon("alpha+")) particleTypeIndex=0;
if (particleDefinition == instance->GetIon("helium")) particleTypeIndex=1;
//
// sigma(T) = f0 10 ^ y(log10(T/eV))
//
// / a0 x + b0 x < x0
// |
// y(x) = < a0 x + b0 - c0 (x - x0)^d0 x0 <= x < x1
// |
// \ a1 x + b1 x >= x1
//
//
// f0, a0, a1, b0, b1, c0, d0, x0, x1 are parameters that change for protons and helium (0, +, ++)
//
// f0 has been added to the code in order to manage partial (shell-dependent) cross sections (if no shell dependence is present. f0=1. Sum of f0 over the considered shells should give 1)
//
// From Rad. Phys. and Chem. 59 (2000) 255-275, M. Dingfelder et al.
// Inelastic-collision cross sections of liquid water for interactions of energetic proton
//
if (x1[index][particleTypeIndex] < x0[index][particleTypeIndex])
{
//
// sigma(T) = f0 10 ^ y(log10(T/eV))
// if x1 < x0 means that x1 and b1 will be calculated with the following formula (this piece of code is run on all alphas and not on protons)
//
// / a0 x + b0 x < x0
// |
// y(x) = < a0 x + b0 - c0 (x - x0)^d0 x0 <= x < x1
// |
// \ a1 x + b1 x >= x1
// x1 = x0 + ((a0 - a1)/(c0 * d0)) ^ (1 / (d0 - 1))
//
//
// f0, a0, a1, b0, b1, c0, d0, x0, x1 are parameters that change for protons and helium (0, +, ++)
//
// f0 has been added to the code in order to manage partial (shell-dependent) cross sections (if no shell dependence is present. f0=1. Sum of f0 over the considered shells should give 1)
//
// From Rad. Phys. and Chem. 59 (2000) 255-275, M. Dingfelder et al.
// Inelastic-collision cross sections of liquid water for interactions of energetic proton
// b1 = (a0 - a1) * x1 + b0 - c0 * (x1 - x0) ^ d0
//
if (x1[index][particleTypeIndex]<x0[index][particleTypeIndex])
{
//
// if x1 < x0 means that x1 and b1 will be calculated with the following formula (this piece of code is run on all alphas and not on protons)
//
// x1 = x0 + ((a0 - a1)/(c0 * d0)) ^ (1 / (d0 - 1))
//
// b1 = (a0 - a1) * x1 + b0 - c0 * (x1 - x0) ^ d0
//
x1[index][particleTypeIndex] = x0[index][particleTypeIndex]
+ std::pow((a0[index][particleTypeIndex] - a1[index][particleTypeIndex])
/ (c0[index][particleTypeIndex]
* d0[index][particleTypeIndex]),
1. / (d0[index][particleTypeIndex] - 1.));
b1[index][particleTypeIndex] = (a0[index][particleTypeIndex]
- a1[index][particleTypeIndex]) * x1[index][particleTypeIndex]
+ b0[index][particleTypeIndex]
- c0[index][particleTypeIndex]
* std::pow(x1[index][particleTypeIndex]
- x0[index][particleTypeIndex],
d0[index][particleTypeIndex]);
}
x1[index][particleTypeIndex]=x0[index][particleTypeIndex] + std::pow((a0[index][particleTypeIndex] - a1[index][particleTypeIndex]) / (c0[index][particleTypeIndex] * d0[index][particleTypeIndex]), 1. / (d0[index][particleTypeIndex] - 1.));
b1[index][particleTypeIndex]=(a0[index][particleTypeIndex] - a1[index][particleTypeIndex]) * x1[index][particleTypeIndex] + b0[index][particleTypeIndex] - c0[index][particleTypeIndex] * std::pow(x1[index][particleTypeIndex] - x0[index][particleTypeIndex], d0[index][particleTypeIndex]);
}
G4double x(std::log10(k / eV));
G4double y;
G4double x(std::log10(k/eV));
G4double y;
if (x < x0[index][particleTypeIndex])
y = a0[index][particleTypeIndex] * x + b0[index][particleTypeIndex];
else if (x < x1[index][particleTypeIndex])
y = a0[index][particleTypeIndex] * x + b0[index][particleTypeIndex]
- c0[index][particleTypeIndex]
* std::pow(x - x0[index][particleTypeIndex],
d0[index][particleTypeIndex]);
else
y = a1[index][particleTypeIndex] * x + b1[index][particleTypeIndex];
if (x<x0[index][particleTypeIndex])
y=a0[index][particleTypeIndex] * x + b0[index][particleTypeIndex];
else if (x<x1[index][particleTypeIndex])
y=a0[index][particleTypeIndex] * x + b0[index][particleTypeIndex] - c0[index][particleTypeIndex] * std::pow(x - x0[index][particleTypeIndex], d0[index][particleTypeIndex]);
else
y=a1[index][particleTypeIndex] * x + b1[index][particleTypeIndex];
return f0[index][particleTypeIndex] * std::pow(10., y)*m*m;
return f0[index][particleTypeIndex] * std::pow(10., y) * m * m;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4int G4DNADingfelderChargeIncreaseModel::RandomSelect(G4double k,
G4int G4DNADingfelderChargeIncreaseModel::RandomSelect(G4double k,
const G4ParticleDefinition* particleDefinition)
{
G4int particleTypeIndex = 0;
G4DNAGenericIonsManager *instance;
instance = G4DNAGenericIonsManager::Instance();
G4int particleTypeIndex = 0;
G4DNAGenericIonsManager *instance;
instance = G4DNAGenericIonsManager::Instance();
if (particleDefinition == instance->GetIon("hydrogen"))
return 0;
if (particleDefinition == instance->GetIon("alpha+"))
particleTypeIndex = 0;
if (particleDefinition == instance->GetIon("helium"))
particleTypeIndex = 1;
if (particleDefinition == instance->GetIon("hydrogen")) return 0;
if (particleDefinition == instance->GetIon("alpha+")) particleTypeIndex=0;
if (particleDefinition == instance->GetIon("helium")) particleTypeIndex=1;
const G4int n = numberOfPartialCrossSections[particleTypeIndex];
G4double* values(new G4double[n]);
G4double value = 0;
G4int i = n;
const G4int n = numberOfPartialCrossSections[particleTypeIndex];
G4double* values(new G4double[n]);
G4double value = 0;
G4int i = n;
while (i > 0)
{
i--;
values[i] = PartialCrossSection(k, i, particleDefinition);
value += values[i];
}
while (i>0)
{
i--;
values[i]=PartialCrossSection(k, i, particleDefinition);
value+=values[i];
}
value *= G4UniformRand();
value*=G4UniformRand();
i = n;
while (i > 0)
{
i--;
i=n;
while (i>0)
{
i--;
if (values[i] > value)
break;
if (values[i]>value)
break;
value -= values[i];
}
value-=values[i];
}
delete[] values;
delete[] values;
return i;
return i;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4double G4DNADingfelderChargeIncreaseModel::Sum(G4double k, const G4ParticleDefinition* particleDefinition)
G4double G4DNADingfelderChargeIncreaseModel::Sum(G4double k,
const G4ParticleDefinition* particleDefinition)
{
G4int particleTypeIndex = 0;
G4DNAGenericIonsManager *instance;
instance = G4DNAGenericIonsManager::Instance();
G4int particleTypeIndex = 0;
G4DNAGenericIonsManager *instance;
instance = G4DNAGenericIonsManager::Instance();
if (particleDefinition == instance->GetIon("alpha+")) particleTypeIndex=0;
if (particleDefinition == instance->GetIon("helium")) particleTypeIndex=1;
if (particleDefinition == instance->GetIon("alpha+"))
particleTypeIndex = 0;
if (particleDefinition == instance->GetIon("helium"))
particleTypeIndex = 1;
G4double totalCrossSection = 0.;
G4double totalCrossSection = 0.;
for (G4int i=0; i<numberOfPartialCrossSections[particleTypeIndex]; i++)
{
totalCrossSection += PartialCrossSection(k,i,particleDefinition);
}
return totalCrossSection;
for (G4int i = 0; i < numberOfPartialCrossSections[particleTypeIndex]; i++)
{
totalCrossSection += PartialCrossSection(k, i, particleDefinition);
}
return totalCrossSection;
}