Gabriele Cosmo
110 lines
4.1 KiB
C++
110 lines
4.1 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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// Geant4 Class header file
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//
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// File name: G4PolarizedCompton
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//
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// Author: Andreas Schaelicke
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// based on code by Michel Maire / Vladimir IVANTCHENKO
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//
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// Class description
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// polarized version of Compton scattering
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//
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// -----------------------------------------------------------------------------
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#ifndef PolarizedComptonScattering_h
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#define PolarizedComptonScattering_h 1
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#include "globals.hh"
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#include "G4Gamma.hh"
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#include "G4VEmProcess.hh"
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class G4DynamicParticle;
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class G4MaterialCutsCouple;
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class G4ParticleDefinition;
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class G4PolarizedComptonModel;
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class G4PolarizedCompton : public G4VEmProcess
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{
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public:
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explicit G4PolarizedCompton(const G4String& processName = "pol-compt",
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G4ProcessType type = fElectromagnetic);
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virtual ~G4PolarizedCompton() override;
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// true for Gamma only.
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virtual G4bool IsApplicable(const G4ParticleDefinition&) override;
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virtual void ProcessDescription(std::ostream&) const override;
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virtual void DumpInfo() const override { ProcessDescription(G4cout); };
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void SetModel(const G4String& name);
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G4PolarizedCompton& operator=(const G4PolarizedCompton& right) = delete;
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G4PolarizedCompton(const G4PolarizedCompton&) = delete;
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protected:
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virtual void InitialiseProcess(const G4ParticleDefinition*) override;
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virtual void BuildPhysicsTable(const G4ParticleDefinition&) override;
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virtual G4double GetMeanFreePath(const G4Track& aTrack,
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G4double previousStepSize,
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G4ForceCondition* condition) override;
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virtual G4double PostStepGetPhysicalInteractionLength(
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const G4Track& track, G4double previousStepSize,
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G4ForceCondition* condition) override;
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private:
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static G4PhysicsTable* theAsymmetryTable; // table for crosssection asymmetry
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void CleanTable();
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void BuildAsymmetryTable(const G4ParticleDefinition& part);
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G4double ComputeAsymmetry(G4double energy, const G4MaterialCutsCouple* couple,
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const G4ParticleDefinition& particle, G4double cut,
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G4double& tAsymmetry);
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G4double ComputeSaturationFactor(const G4Track& aTrack);
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G4PolarizedComptonModel* fEmModel;
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G4int fType;
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G4bool fBuildAsymmetryTable;
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G4bool fUseAsymmetryTable;
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G4bool fIsInitialised;
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#endif
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