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This commit is contained in:
Gabriele Cosmo
2024-12-06 11:11:40 +01:00
parent e58e650b32
commit 32390e802b
1984 changed files with 98713 additions and 83996 deletions
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source/parameterisations/channeling/src/G4ChannelingFastSimModel.cc
+80 -23
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@@ -23,7 +23,12 @@
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
/// \file B107FastSim/src/G4ChannelingFastSimModel.cc
// Author: Alexei Sytov
// Co-author: Gianfranco Paternò (modifications & testing)
// On the base of the CRYSTALRAD realization of channeling model:
// A. I. Sytov, V. V. Tikhomirov, and L. Bandiera PRAB 22, 064601 (2019)
/// \file G4ChannelingFastSimModel.cc
/// \brief Implementation of the G4ChannelingFastSimModel class
//
//
@@ -101,12 +106,15 @@ G4bool G4ChannelingFastSimModel::ModelTrigger(const G4FastTrack& fastTrack)
//particle mass
G4double mass = fastTrack.GetPrimaryTrack()->GetParticleDefinition()->GetPDGMass();
//particle total energy
G4double etotal = fastTrack.GetPrimaryTrack()->GetTotalEnergy();
G4double etotal = mass + ekinetic;
//particle charge
G4double charge = fastTrack.GetPrimaryTrack()->
GetParticleDefinition()->GetPDGCharge();
//Particle position
G4ThreeVector xyz0 = fastTrack.GetPrimaryTrackLocalPosition();
//Step estimate
G4double dz0 = fCrystalData->GetMaxSimulationStep(etotal,mass);
G4double dz0 = fCrystalData->GetMaxSimulationStep(etotal,mass,charge);
xyz0 += 2*dz0*momentumDirection;//overestimated particle shift on the next step
//in channeling
@@ -117,8 +125,12 @@ G4bool G4ChannelingFastSimModel::ModelTrigger(const G4FastTrack& fastTrack)
Inside(xyz0)==kInside) &&
momentumDirection.z()>0. &&
std::abs(angle) <
GetLindhardAngleNumberHighLimit(particleDefinitionID) *
fCrystalData->GetLindhardAngle(etotal,mass);
std::max(
GetLindhardAngleNumberHighLimit(particleDefinitionID) *
fCrystalData->GetLindhardAngle(etotal,
mass,
charge),
GetHighAngleLimit(particleDefinitionID));
}
return modelTrigger;
@@ -132,7 +144,10 @@ void G4ChannelingFastSimModel::DoIt(const G4FastTrack& fastTrack,
G4double etotal;//particle total energy
G4double etotalPreStep;//etotal at the previous step
G4double etotalToSetParticleProperties;//etotal value at which
//SetParticleProperties is called
//SetParticleProperties is calculated
G4double ekinetic = 0;//kinetic energy
G4double eDeposited = 0.;//deposited energy along the trajectory
G4double elossAccum = 0;// accumulate local energy loss (not radiation)
G4double mass; //particle mass
G4double charge;//particle charge
G4double tGlobal; //global time
@@ -151,6 +166,7 @@ void G4ChannelingFastSimModel::DoIt(const G4FastTrack& fastTrack,
G4ThreeVector scatteringAnglesAndEnergyLoss;//output of scattering functions
G4double lindhardAngleNumberHighLimit0; //current high limit of the angle expressed in
//[Lindhard angle] units
G4double highAngleLimit0; //current absolute high limit of the angle expressed
//coordinates in Runge-Kutta calculations
G4double x1=0.,x2=0.,x3=0.,x4=0.,y1=0.,y2=0.,y3=0.,y4=0.;
@@ -179,20 +195,21 @@ void G4ChannelingFastSimModel::DoIt(const G4FastTrack& fastTrack,
fBaierKatkov->ResetRadIntegral();//to avoid any memory from the previous trajectory
}
etotal = fastTrack.GetPrimaryTrack()->GetTotalEnergy();
mass = fastTrack.GetPrimaryTrack()->GetParticleDefinition()->GetPDGMass();
etotal = mass + fastTrack.GetPrimaryTrack()->GetKineticEnergy();
charge = fastTrack.GetPrimaryTrack()->GetParticleDefinition()->GetPDGCharge();
// we need to distunguish only charge particles, either leptons or hadrons
G4bool hadron =
fastTrack.GetPrimaryTrack()->GetParticleDefinition()->GetLeptonNumber()==0;
G4String particleName =
fastTrack.GetPrimaryTrack()->GetParticleDefinition()->GetParticleName();
lindhardAngleNumberHighLimit0 =
GetLindhardAngleNumberHighLimit(fastTrack.GetPrimaryTrack()->
GetParticleDefinition()->GetParticleDefinitionID());
highAngleLimit0 = GetHighAngleLimit(fastTrack.GetPrimaryTrack()->
GetParticleDefinition()->GetParticleDefinitionID());
//set fCrystalData parameters depending on the particle parameters
fCrystalData->SetParticleProperties(etotal, mass, charge, hadron);
fCrystalData->SetParticleProperties(etotal, mass, charge, particleName);
//global time
tGlobal = fastTrack.GetPrimaryTrack()->GetGlobalTime();
@@ -324,7 +341,7 @@ void G4ChannelingFastSimModel::DoIt(const G4FastTrack& fastTrack,
CoulombAtomicScattering(effectiveStep,momentumDirectionStep,i);
//Amorphous part of ionization energy losses
etotal-=fCrystalData->IonizationLosses(momentumDirectionStep, i);
elossAccum += fCrystalData->IonizationLosses(momentumDirectionStep, i);
}
//electron scattering and coherent part of ionization energy losses
scatteringAnglesAndEnergyLoss += fCrystalData->CoulombElectronScattering(
@@ -333,13 +350,13 @@ void G4ChannelingFastSimModel::DoIt(const G4FastTrack& fastTrack,
momentumDirectionStep);
tx += scatteringAnglesAndEnergyLoss.x();
ty += scatteringAnglesAndEnergyLoss.y();
etotal -= scatteringAnglesAndEnergyLoss.z();
elossAccum += scatteringAnglesAndEnergyLoss.z();
// recalculate the energy depended parameters
//(only if the energy decreased enough, not at each step)
if (etotalToSetParticleProperties>etotal)
{
fCrystalData->SetParticleProperties(etotal, mass, charge, hadron);
fCrystalData->SetParticleProperties(etotal, mass, charge, particleName);
etotalToSetParticleProperties = etotal*0.999;
}
@@ -359,14 +376,18 @@ void G4ChannelingFastSimModel::DoIt(const G4FastTrack& fastTrack,
{
//if the angle w.r.t. the planes is too high
if (std::abs(tx) >=
lindhardAngleNumberHighLimit0*fCrystalData->GetLindhardAngle())
std::max(lindhardAngleNumberHighLimit0*
fCrystalData->GetLindhardAngle(),
highAngleLimit0))
{inCrystal = false;}//escape the cycle
}
else if (fCrystalData->GetModel()==2) //2D model, field of axes
{
//if the angle w.r.t. the axes is too high
if (std::sqrt(tx*tx+ty*ty) >= lindhardAngleNumberHighLimit0*
fCrystalData->GetLindhardAngle())
if (std::sqrt(tx*tx+ty*ty) >=
std::max(lindhardAngleNumberHighLimit0*
fCrystalData->GetLindhardAngle(),
highAngleLimit0))
{inCrystal = false;}//escape the cycle
}
@@ -403,7 +424,7 @@ void G4ChannelingFastSimModel::DoIt(const G4FastTrack& fastTrack,
fBaierKatkov->GeneratePhoton(fastStep);
//particle energy was changed
fCrystalData->SetParticleProperties(etotal, mass, charge, hadron);
fCrystalData->SetParticleProperties(etotal, mass, charge, particleName);
//coordinates in the co-rotating reference system within a channel
xyz = fCrystalData->CoordinatesFromBoxToLattice(xyz0);
@@ -416,6 +437,25 @@ void G4ChannelingFastSimModel::DoIt(const G4FastTrack& fastTrack,
ty = ty0;
}
}
else
{
//we calculate deposited energy and energy losses ONLY in absence
//of radiation otherwise we do it only at the end of model
etotal -= elossAccum;
eDeposited += elossAccum;
elossAccum=0;
ekinetic = etotal-mass;
if(ekinetic<1*keV)
{
G4cout << "Warning in G4ChannelingFastSimModel: " <<
ekinetic << "<" << 1*keV << " !" << G4endl;
eDeposited-=(1*keV-ekinetic);
ekinetic = 1*keV;
G4cout << "Setting deposited energy=" <<
eDeposited << " & ekinetic=" << ekinetic << G4endl;
etotal = mass+ekinetic;
}
}
//precise check if the particle is escaping the volume
if (crystallogic->GetSolid()->
@@ -458,10 +498,25 @@ void G4ChannelingFastSimModel::DoIt(const G4FastTrack& fastTrack,
fastStep.ProposePrimaryTrackFinalTime(tGlobal);
//set final position
fastStep.ProposePrimaryTrackFinalPosition(xyz0);
//set deposited energy (due to ionization)
etotal -= elossAccum;
eDeposited += elossAccum;
ekinetic = etotal-mass;
if(ekinetic<1*keV)
{
G4cout << "Warning in G4ChannelingFastSimModel: " <<
ekinetic << "<" << 1*keV << " !" << G4endl;
eDeposited-=(1*keV-ekinetic);
ekinetic = 1*keV;
G4cout << "Setting deposited energy=" <<
eDeposited << " & ekinetic=" << ekinetic << G4endl;
}
fastStep.ProposeTotalEnergyDeposited(eDeposited);
//set final kinetic energy
fastStep.ProposePrimaryTrackFinalKineticEnergy(etotal-
fastTrack.GetPrimaryTrack()->
GetParticleDefinition()->GetPDGMass());
fastStep.ProposePrimaryTrackFinalKineticEnergy(ekinetic);
//set final momentum direction
G4double momentumDirectionZ =
1./std::sqrt(1.+std::pow(std::tan(tx0),2)+std::pow(std::tan(ty0),2));
@@ -473,14 +528,16 @@ void G4ChannelingFastSimModel::DoIt(const G4FastTrack& fastTrack,
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void G4ChannelingFastSimModel::Input(const G4Material *crystal, const G4String &lattice)
void G4ChannelingFastSimModel::Input(const G4Material *crystal,
const G4String &lattice,
const G4String &filePath)
{
//initializing the class with containing all
//the crystal material and crystal lattice data and
//Channeling scattering and ionization processes
fCrystalData = new G4ChannelingFastSimCrystalData();
//setting all the crystal material and lattice data
fCrystalData->SetMaterialProperties(crystal,lattice);
fCrystalData->SetMaterialProperties(crystal,lattice,filePath);
//setting default low energy cuts for kinetic energy
SetLowKineticEnergyLimit(1*GeV,"proton");