Gabriele Cosmo
191 lines
6.0 KiB
C++
191 lines
6.0 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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/////////////////////////////////////////////////////////////////////////////////
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// Class: G4ContinuousGainOfEnergy
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// Author: L. Desorgher
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// Organisation: SpaceIT GmbH
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// Contract: ESA contract 21435/08/NL/AT
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// Customer: ESA/ESTEC
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/////////////////////////////////////////////////////////////////////////////////
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//
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// CHANGE HISTORY
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// --------------
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// ChangeHistory:
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// -10 May 2007 creation by L. Desorgher
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// -February-March 2009 Update for protons by L.Desorgher
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// -July August 2009 Update for ion by L.Desorgher
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//
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//-------------------------------------------------------------
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// Documentation:
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// Continuous process acting on adjoint particles to compute the continuous gain of energy of charged particles when they are tracked back!
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//
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//
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#ifndef G4ContinuousGainOfEnergy_h
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#define G4ContinuousGainOfEnergy_h 1
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#include "G4VContinuousProcess.hh"
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#include "globals.hh"
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#include "G4Material.hh"
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#include "G4MaterialCutsCouple.hh"
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#include "G4Track.hh"
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#include "G4UnitsTable.hh"
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#include "G4ParticleChange.hh"
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#include "G4VEnergyLossProcess.hh"
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#include "G4ProductionCutsTable.hh"
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class G4Step;
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class G4ParticleDefinition;
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class G4VEmModel;
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class G4VEmFluctuationModel;
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class G4ContinuousGainOfEnergy : public G4VContinuousProcess
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{
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public:
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G4ContinuousGainOfEnergy(const G4String& name = "EnergyGain",
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G4ProcessType type = fElectromagnetic);
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virtual ~G4ContinuousGainOfEnergy();
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protected:
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//------------------------------------------------------------------------
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// Methods with standard implementation; may be overwritten if needed
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//------------------------------------------------------------------------
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protected:
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virtual G4double GetContinuousStepLimit(const G4Track& track,
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G4double previousStepSize,
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G4double currentMinimumStep,
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G4double& currentSafety);
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//------------------------------------------------------------------------
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// Generic methods common to all processes
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//------------------------------------------------------------------------
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public:
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void PreparePhysicsTable(const G4ParticleDefinition&);
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void BuildPhysicsTable(const G4ParticleDefinition&);
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G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&);
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void SetLossFluctuations(G4bool val);
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inline void SetIsIntegral(G4bool val){is_integral= val;}
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inline void SetDirectEnergyLossProcess(G4VEnergyLossProcess* aProcess){theDirectEnergyLossProcess=aProcess;};
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void SetDirectParticle(G4ParticleDefinition* p);
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protected:
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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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// hide assignment operator
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G4ContinuousGainOfEnergy(G4ContinuousGainOfEnergy &);
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G4ContinuousGainOfEnergy & operator=(const G4ContinuousGainOfEnergy &right);
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private:
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const G4Material* currentMaterial;
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const G4MaterialCutsCouple* currentCouple;
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size_t currentMaterialIndex;
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size_t currentCoupleIndex;
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G4double currentTcut;
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G4double currentCutInRange;
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G4double preStepKinEnergy;
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G4double linLossLimit;
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G4bool lossFluctuationFlag;
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G4bool lossFluctuationArePossible;
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G4VEnergyLossProcess* theDirectEnergyLossProcess;
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G4ParticleDefinition* theDirectPartDef;
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G4bool is_integral;
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//adding for Ions
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//----------------
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G4bool IsIon;
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G4double massRatio;
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G4double chargeSqRatio;
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G4VEmModel* currentModel;
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G4double preStepChargeSqRatio;
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G4double preStepScaledKinEnergy;
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G4double preStepRange;
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};
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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 != currentCouple) {
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currentCouple = couple;
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currentMaterial = couple->GetMaterial();
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currentCoupleIndex = couple->GetIndex();
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currentMaterialIndex = currentMaterial->GetIndex();
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size_t idx=1;
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const std::vector<G4double>* aVec = G4ProductionCutsTable::GetProductionCutsTable()->GetEnergyCutsVector(idx);
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currentTcut=(*aVec)[currentCoupleIndex];
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currentCutInRange = couple->GetProductionCuts()->GetProductionCut(theDirectPartDef->GetParticleName());
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//G4cout<<"Define Material"<<G4endl;
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//if(!meanFreePath) ResetNumberOfInteractionLengthLeft();
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}
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}
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#endif
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