Gabriele Cosmo
123 lines
4.7 KiB
C++
123 lines
4.7 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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////////////////////////////////////////////////////////////////////////////////
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// Class: G4ContinuousGainOfEnergy
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// Author: L. Desorgher
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// Organisation: SpaceIT GmbH
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//
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// Continuous process acting on adjoint particles to compute the continuous
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// gain of energy of charged particles when they are tracked back.
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////////////////////////////////////////////////////////////////////////////////
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#ifndef G4ContinuousGainOfEnergy_h
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#define G4ContinuousGainOfEnergy_h 1
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#include "globals.hh"
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#include "G4ProductionCutsTable.hh"
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#include "G4VContinuousProcess.hh"
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class G4Material;
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class G4MaterialCutsCouple;
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class G4ParticleChange;
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class G4ParticleDefinition;
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class G4Step;
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class G4Track;
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class G4VEmModel;
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class G4VEnergyLossProcess;
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class G4ContinuousGainOfEnergy : public G4VContinuousProcess
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{
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public:
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explicit G4ContinuousGainOfEnergy(const G4String& name = "EnergyGain",
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G4ProcessType type = fElectromagnetic);
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~G4ContinuousGainOfEnergy() override;
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G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&) override;
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void SetLossFluctuations(G4bool val);
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inline void SetDirectEnergyLossProcess(G4VEnergyLossProcess* aProcess)
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{
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fDirectEnergyLossProcess = aProcess;
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};
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void SetDirectParticle(G4ParticleDefinition* p);
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void ProcessDescription(std::ostream&) const override;
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void DumpInfo() const override { ProcessDescription(G4cout); };
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G4ContinuousGainOfEnergy(G4ContinuousGainOfEnergy&) = delete;
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G4ContinuousGainOfEnergy& operator=(const G4ContinuousGainOfEnergy& right) =
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delete;
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protected:
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G4double GetContinuousStepLimit(const G4Track& track,
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G4double previousStepSize,
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G4double currentMinimumStep,
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G4double& currentSafety) override;
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private:
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void DefineMaterial(const G4MaterialCutsCouple* couple);
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void SetDynamicMassCharge(const G4Track& track, G4double energy);
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const G4Material* fCurrentMaterial = nullptr;
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const G4MaterialCutsCouple* fCurrentCouple = nullptr;
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G4VEmModel* fCurrentModel = nullptr;
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G4VEnergyLossProcess* fDirectEnergyLossProcess = nullptr;
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G4ParticleDefinition* fDirectPartDef = nullptr;
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G4double fCurrentTcut = 0.;
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G4double fPreStepKinEnergy = 1.;
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G4double fLinLossLimit = 0.05;
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G4double fMassRatio = 1.;
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size_t fCurrentCoupleIndex = 9999999;
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G4bool fIsIon = false;
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G4bool fLossFluctuationFlag = true;
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G4bool fLossFluctuationArePossible = true;
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};
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///////////////////////////////////////////////////////
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inline void G4ContinuousGainOfEnergy::DefineMaterial(
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const G4MaterialCutsCouple* couple)
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{
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if(couple != fCurrentCouple)
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{
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fCurrentCouple = couple;
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fCurrentMaterial = couple->GetMaterial();
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fCurrentCoupleIndex = couple->GetIndex();
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const std::vector<G4double>* aVec =
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G4ProductionCutsTable::GetProductionCutsTable()->GetEnergyCutsVector(1);
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fCurrentTcut = (*aVec)[fCurrentCoupleIndex];
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}
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}
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#endif
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