Gabriele Cosmo
206 lines
6.6 KiB
C++
206 lines
6.6 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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//
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//
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// ------------------------------------------------------------
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// GEANT 4 class header file
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//
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//
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// R&D since 1996: Vladimir.Grichine@cern.ch
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//
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//
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// 29.04.03 V.Grichine, corrections for cuts per region
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// 28.05.01 V. Ivanchenko minor changes to provide ANSI -wall compilation
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// 22.09.00 V. Grichine and K.Assamagan new function GetEnergyTransfer(G4d,G4i)
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// 12.07.00 V. Grichine GetFreePath and GetdEdx were added
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// 24.11.97 V. Grichine corrections
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#ifndef G4PAIonisation_h
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#define G4PAIonisation_h 1
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#include "G4ios.hh"
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#include "globals.hh"
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#include "Randomize.hh"
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#include "G4VPAIenergyLoss.hh"
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#include "globals.hh"
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#include "G4Track.hh"
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#include "G4Step.hh"
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#include "G4Electron.hh"
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#include "G4PhysicsLogVector.hh"
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#include "G4PhysicsLinearVector.hh"
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#include "G4PhysicsFreeVector.hh"
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#include "G4PhysicsVector.hh"
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class G4LogicalVolume;
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class G4MaterialCutsCouple;
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class G4PAIonisation : public G4VPAIenergyLoss
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{
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public:
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G4PAIonisation( G4LogicalVolume* lV,
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const G4String& processName = "PAIonisation");
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G4PAIonisation( const G4String& materialName,
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const G4String& processName = "PAIonisation");
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~G4PAIonisation();
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G4bool IsApplicable(const G4ParticleDefinition&);
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private:
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// hide assignment operator
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G4PAIonisation & operator=(const G4PAIonisation &right);
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G4PAIonisation(const G4PAIonisation&);
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public:
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// post Step functions .......................................
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G4double GetConstraints(const G4DynamicParticle *aParticle,
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G4Material *aMaterial);
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G4VParticleChange* PostStepDoIt( const G4Track& track,
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const G4Step& Step ) ;
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// void BuildLossTable(const G4ParticleDefinition& aParticleType);
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void BuildLambdaTable(const G4ParticleDefinition& aParticleType);
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void BuildPhysicsTable(const G4ParticleDefinition& aParticleType);
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void BuildPAIonisationTable() ;
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virtual G4double ComputeMicroscopicCrossSection(
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const G4ParticleDefinition& aParticleType,
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G4double KineticEnergy,
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G4double AtomicNumber);
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// Along step DoIt stuff
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G4double GetContinuousStepLimit(
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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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G4double GetMeanFreePath( const G4Track& track,
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G4double previousStepSize,
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G4ForceCondition* condition ) ;
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G4double GetFreePath( G4double scaledTkin, G4double charge2 ) ;
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G4double GetdEdx( G4double scaledTkin, G4double charge2 ) ;
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G4VParticleChange* AlongStepDoIt(const G4Track& track ,const G4Step& Step) ;
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G4double GetLossWithFluct(G4double Step,
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const G4DynamicParticle *aParticle,
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G4Material *aMaterial) ;
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G4double GetAlongStepDelta(G4double Step,
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const G4DynamicParticle *aParticle,
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G4Material *aMaterial) ;
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G4double GetRandomEnergyTransfer( G4double scaledTkin ) ;
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G4double GetPostStepTransfer( G4double scaledTkin ) ;
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G4double GetEnergyTransfer( G4int iPlace, G4double position, G4int iTransfer ) ;
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G4double GetdNdxCut( G4int iPlace, G4double cutTransfer) ;
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// static
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static G4double GetMaxKineticEnergy();
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static G4double GetMinKineticEnergy();
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static G4int GetBinNumber();
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// Access to Sandia table coefficients
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G4int GetSandiaIntervalNumber() const {return fSandiaIntervalNumber;};
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G4double GetSandiaPhotoAbsCof(G4int, G4int) const;
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// Compute Sandia photoabsorption coefficient matrix
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void ComputeSandiaPhotoAbsCof() ;
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private:
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// private data members
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G4LogicalVolume* fLogicalVolume;
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size_t fMatIndex ; // index of material, where dE/dx is calculated
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size_t fMatCutsIndex ; // index of material, where dE/dx is calculated
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G4Material* fMaterial;
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G4MaterialCutsCouple* fMaterialCutsCouple;
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G4PhysicsTable* theMeanFreePathTable;
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// LowestKineticEnergy = lower limit of particle kinetic energy
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// HighestKineticEnergy = upper limit of particle kinetic energy
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// TotBin = number of bins in the energy ionisation loss table
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//
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static const G4double LowestKineticEnergy;
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static const G4double HighestKineticEnergy;
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static G4int TotBin;
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static G4PhysicsLogVector* fProtonEnergyVector ;
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G4PhysicsLogVector* fLambdaVector ;
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G4PhysicsLogVector* fdNdxCutVector ;
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G4PhysicsLogVector* fdEdxVector ;
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// cut in range
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G4double* CutInRange ;
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G4double* lastCutInRange ;
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// particles , cuts in kinetic energy
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const G4Electron* theElectron;
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const G4Proton* theProton;
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const G4AntiProton* theAntiProton;
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const std::vector<G4double>* DeltaCutInKineticEnergy ;
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G4double DeltaCutInKineticEnergyNow ;
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// Sandia Photo Absorption Coefficients
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G4double** fSandiaPhotoAbsCof ;
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G4int fSandiaIntervalNumber ;
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};
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#include "G4PAIonisation.icc"
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#endif
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