Gabriele Cosmo
146 lines
5.4 KiB
C++
146 lines
5.4 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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// GEANT 4 class header file
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//
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// History:
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// 21-5-98 1 version , V. Grichine
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// 28-05-01, V.Ivanchenko minor changes to provide ANSI -wall compilation
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// 19-05-06, V.Ivanchenko rename from G4SynchrotronRadiation
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//
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// ------------------------------------------------------------
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#ifndef G4SynchrotronRadiationInMat_h
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#define G4SynchrotronRadiationInMat_h 1
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#include "globals.hh"
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#include "G4Electron.hh"
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#include "G4Gamma.hh"
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#include "G4PhysicsLogVector.hh"
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#include "G4PhysicsTable.hh"
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#include "G4Positron.hh"
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#include "G4Step.hh"
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#include "G4ThreeVector.hh"
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#include "G4Track.hh"
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#include "G4TransportationManager.hh"
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#include "G4VDiscreteProcess.hh"
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#include "G4VParticleChange.hh"
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class G4ParticleDefinition;
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class G4PropagatorInField;
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class G4SynchrotronRadiationInMat : public G4VDiscreteProcess
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{
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public:
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explicit G4SynchrotronRadiationInMat(
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const G4String& processName = "SynchrotronRadiation",
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G4ProcessType type = fElectromagnetic);
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~G4SynchrotronRadiationInMat();
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G4SynchrotronRadiationInMat& operator=(
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const G4SynchrotronRadiationInMat& right) = delete;
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G4SynchrotronRadiationInMat(const G4SynchrotronRadiationInMat&) = delete;
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G4double GetMeanFreePath(const G4Track& track, G4double previousStepSize,
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G4ForceCondition* condition) override;
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G4VParticleChange* PostStepDoIt(const G4Track& track,
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const G4Step& Step) override;
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G4double GetPhotonEnergy(const G4Track& trackData, const G4Step& stepData);
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G4double GetRandomEnergySR(G4double, G4double);
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G4double GetProbSpectrumSRforInt(G4double);
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G4double GetIntProbSR(G4double);
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G4double GetProbSpectrumSRforEnergy(G4double);
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G4double GetEnergyProbSR(G4double);
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G4double GetIntegrandForAngleK(G4double);
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G4double GetAngleK(G4double);
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G4double GetAngleNumberAtGammaKsi(G4double);
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G4bool IsApplicable(const G4ParticleDefinition&) override;
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static G4double GetLambdaConst();
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static G4double GetEnergyConst();
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void SetRootNumber(G4int rn) { fRootNumber = rn; };
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void SetVerboseLevel(G4int v) { fVerboseLevel = v; };
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void SetKsi(G4double ksi) { fKsi = ksi; };
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void SetEta(G4double eta) { fEta = eta; };
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void SetPsiGamma(G4double psg) { fPsiGamma = psg; };
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void SetOrderAngleK(G4double ord)
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{
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fOrderAngleK = ord;
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}; // should be 1/3 or 2/3
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private:
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// Constant for calculation of mean free path
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// sqrt(3.) = 1.73...
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static constexpr G4double fLambdaConst =
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1.73205080756887729352 * CLHEP::electron_mass_c2 /
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(2.5 * CLHEP::fine_structure_const * CLHEP::eplus * ::CLHEP::c_light);
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// Constant for calculation of characterictic energy
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static constexpr G4double fEnergyConst =
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1.5 * CLHEP::c_light * CLHEP::c_light * CLHEP::eplus * CLHEP::hbar_Planck /
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CLHEP::electron_mass_c2;
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// Array of integral probability of synchrotron photons:
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// the corresponding energy = 0.0001*i*i*(characteristic energy)
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static const G4double fIntegralProbabilityOfSR[200];
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const G4ParticleDefinition* theGamma;
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const G4ParticleDefinition* theElectron;
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const G4ParticleDefinition* thePositron;
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G4PropagatorInField* fFieldPropagator;
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const G4double
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LowestKineticEnergy; // low energy limit of the cross-section formula
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G4double CutInRange;
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G4double GammaCutInKineticEnergyNow;
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G4double ElectronCutInKineticEnergyNow;
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G4double PositronCutInKineticEnergyNow;
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G4double ParticleCutInKineticEnergyNow;
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G4double fAlpha;
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G4double fKsi; // omega/omega_c
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G4double fPsiGamma; // Psi-angle*gamma
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G4double fEta; //
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G4double fOrderAngleK; // 1/3 or 2/3
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G4int fRootNumber;
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G4int fVerboseLevel;
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G4int secID = -1; // creator modelID
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};
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#endif // end of G4SynchrotronRadiationInMat.hh
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