Gabriele Cosmo
184 lines
6.8 KiB
C++
184 lines
6.8 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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// $Id: G4PenelopeIonisationModel.hh,v 1.1 2008/12/04 14:12:09 pandola Exp $
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// GEANT4 tag $Name: geant4-09-02 $
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//
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// Author: Luciano Pandola
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//
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// History:
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// -----------
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// 26 Nov 2008 L. Pandola 1st implementation. Migration from EM process
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// to EM model. Physics is unchanged.
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//
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// -------------------------------------------------------------------
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//
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// Class description:
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// Low Energy Electromagnetic Physics, e+ and e- ionisation
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// with Penelope Model
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// -------------------------------------------------------------------
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#ifndef G4PENELOPEIONISATIONMODEL_HH
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#define G4PENELOPEIONISATIONMODEL_HH 1
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#include "globals.hh"
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#include "G4VEmModel.hh"
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#include "G4DataVector.hh"
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#include "G4ParticleChangeForLoss.hh"
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#include "G4VCrossSectionHandler.hh"
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#include "G4PhysicsLogVector.hh"
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#include "G4AtomicDeexcitation.hh"
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class G4ParticleDefinition;
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class G4DynamicParticle;
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class G4MaterialCutsCouple;
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class G4Material;
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class G4VEMDataSet;
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class G4PenelopeIonisationModel : public G4VEmModel
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{
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public:
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G4PenelopeIonisationModel(const G4ParticleDefinition* p=0,
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const G4String& processName ="PenelopeIoni");
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virtual ~G4PenelopeIonisationModel();
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virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
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virtual G4double CrossSectionPerVolume(const G4Material* material,
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const G4ParticleDefinition* theParticle,
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G4double kineticEnergy,
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G4double cutEnergy,
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G4double maxEnergy = DBL_MAX);
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virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
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const G4MaterialCutsCouple*,
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const G4DynamicParticle*,
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G4double tmin,
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G4double maxEnergy);
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virtual G4double ComputeDEDXPerVolume(const G4Material*,
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const G4ParticleDefinition*,
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G4double kineticEnergy,
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G4double cutEnergy);
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void SetUseAtomicDeexcitation(G4bool value){fUseAtomicDeexcitation = value;};
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G4bool GetUseAtomicDeexcitation(){return fUseAtomicDeexcitation;};
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void SetVerbosityLevel(G4int lev){verboseLevel = lev;};
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G4int GetVerbosityLevel(){return verboseLevel;};
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protected:
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G4ParticleChangeForLoss* fParticleChange;
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private:
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G4PenelopeIonisationModel & operator=(const G4PenelopeIonisationModel &right);
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G4PenelopeIonisationModel(const G4PenelopeIonisationModel&);
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//Intrinsic energy limits of the model: cannot be extended by the parent process
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G4double fIntrinsicLowEnergyLimit;
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G4double fIntrinsicHighEnergyLimit;
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G4bool fUseAtomicDeexcitation;
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G4int verboseLevel;
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G4bool isInitialised;
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G4double CalculateDeltaFermi(G4double kinEnergy ,G4int Z,
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G4double electronVolumeDensity);
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//Methods and variables to calculate final state
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void CalculateDiscreteForElectrons(G4double kinEnergy,G4double cutoffEnergy,
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G4int Z,G4double electronVolumeDensity);
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void CalculateDiscreteForPositrons(G4double kinEnergy,G4double cutoffEnergy,
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G4int Z,G4double electronVolumeDensity);
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G4AtomicDeexcitation deexcitationManager;
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G4double kineticEnergy1;
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G4double cosThetaPrimary;
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G4double energySecondary;
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G4double cosThetaSecondary;
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G4int iOsc;
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//These methods are used to calculate the hard-cross section (namely they
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//return the hard/total cross section)
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G4double CalculateCrossSectionsRatio(G4double kinEnergy,
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G4double cutoffEnergy,
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G4int Z,
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G4double electronVolumeDensity,
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const G4ParticleDefinition*);
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//In fact the total cross section (hard+soft) is read from file
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//The following methods give the cross section contribution (hard and soft) from each
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//individual oscillator
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std::pair<G4double,G4double> CrossSectionsRatioForElectrons(G4double kineticEnergy,
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G4double resEnergy,
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G4double densityCorrection,
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G4double cutoffEnergy);
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std::pair<G4double,G4double> CrossSectionsRatioForPositrons(G4double kineticEnergy,
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G4double resEnergy,
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G4double densityCorrection,
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G4double cutoffEnergy);
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G4VCrossSectionHandler* crossSectionHandler;
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//These methods are used to calculate the stopping power up to the cutoff
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//for each individual oscillator
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G4double ComputeStoppingPowerForElectrons(G4double kinEnergy,
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G4double cutEnergy,
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G4double deltaFermi,
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G4double resEnergy);
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G4double ComputeStoppingPowerForPositrons(G4double kinEnergy,
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G4double cutEnergy,
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G4double deltaFermi,
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G4double resEnergy);
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//Parameters of atomic shells
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void ReadData();
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std::map<G4int,G4DataVector*> *ionizationEnergy;
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std::map<G4int,G4DataVector*> *resonanceEnergy;
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std::map<G4int,G4DataVector*> *occupationNumber;
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std::map<G4int,G4DataVector*> *shellFlag;
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//Mean free path table. This will become obsolete! For now I need something to store
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//cross sections and to sample a random atom
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std::vector<G4VEMDataSet*>* theXSTable;
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std::vector<G4VEMDataSet*>* BuildCrossSectionTable(const G4ParticleDefinition*);
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G4int SampleRandomAtom(const G4MaterialCutsCouple*,G4double energy) const;
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};
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#endif
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