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//
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// * *
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//
// G4ForwardXrayTR
//
// Class for description
//
// Class for forward X-ray transition radiation generated
// by relativistic charged particle crossed interface between material 1
// and material 2 (1 -> 2)
// History:
// 22.09.97, V. Grichine (Vladimir.Grichine@cern.ch)
// 26.01.00, V.Grichine, new constructor and protected DM for fast sim. models
// 10.03.03, V.Ivanchenko migrade to "cut per region"
// 03.06.03, V.Ivanchenko fix compilation warnings
#ifndef G4FORWARDXRAYTR_H
#define G4FORWARDXRAYTR_H
#include "globals.hh"
#include "G4Track.hh"
#include "G4TransitionRadiation.hh"
#include "G4VParticleChange.hh"
class G4ParticleDefinition;
class G4PhysicsTable;
class G4PhysicsLogVector;
class G4ForwardXrayTR : public G4TransitionRadiation
{
public:
explicit G4ForwardXrayTR(const G4String& matName1, const G4String& matName2,
const G4String& processName = "XrayTR");
explicit G4ForwardXrayTR(const G4String& processName = "XrayTR");
~G4ForwardXrayTR();
G4ForwardXrayTR(const G4ForwardXrayTR& right) = delete;
G4ForwardXrayTR& operator=(const G4ForwardXrayTR& right) = delete;
/////////////////////// Methods /////////////////////////////////
void ProcessDescription(std::ostream&) const override;
void DumpInfo() const override { ProcessDescription(G4cout); };
void BuildXrayTRtables();
G4double GetMeanFreePath(const G4Track&, G4double,
G4ForceCondition* condition) override;
G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
const G4Step& aStep) override;
G4double GetEnergyTR(G4int iMat, G4int jMat, G4int iTkin) const;
G4double GetThetaTR(G4int iMat, G4int jMat, G4int iTkin) const;
///////////////////// Angle distribution /////////////////////////////
G4double SpectralAngleTRdensity(G4double energy,
G4double varAngle) const override;
G4double AngleDensity(G4double energy, G4double varAngle) const;
G4double EnergyInterval(G4double energy1, G4double energy2,
G4double varAngle) const;
G4double AngleSum(G4double varAngle1, G4double varAngle2) const;
///////////////////////// Energy distribution ///////////////////////////////
G4double SpectralDensity(G4double energy, G4double x) const;
G4double AngleInterval(G4double energy, G4double varAngle1,
G4double varAngle2) const;
G4double EnergySum(G4double energy1, G4double energy2) const;
/////////////////////////// Access functions ////////////////////////////
G4PhysicsTable* GetAngleDistrTable();
G4PhysicsTable* GetEnergyDistrTable();
static G4int GetSympsonNumber();
static G4int GetBinTR();
static G4double GetMinProtonTkin();
static G4double GetMaxProtonTkin();
static G4int GetTotBin();
protected: // for access from X-ray TR fast simulation models
static constexpr G4double fTheMinEnergyTR =
1. * CLHEP::keV; // static min TR energy
static constexpr G4double fTheMaxEnergyTR =
100. * CLHEP::keV; // static max TR energy
static constexpr G4double fTheMaxAngle = 1.0e-3; // max theta of TR quanta
static constexpr G4double fTheMinAngle = 5.0e-6; // min theta of TR quanta
static constexpr G4double fMinProtonTkin =
100. * CLHEP::GeV; // min Tkin of proton in tables
static constexpr G4double fMaxProtonTkin =
100. * CLHEP::TeV; // max Tkin of proton in tables
static constexpr G4double fPlasmaCof =
4.0 * CLHEP::pi * CLHEP::fine_structure_const * CLHEP::hbarc *
CLHEP::hbarc * CLHEP::hbarc /
CLHEP::electron_mass_c2; // physical consts for plasma energy
static constexpr G4double fCofTR = CLHEP::fine_structure_const / CLHEP::pi;
static constexpr G4int fSympsonNumber =
100; // Accuracy of Sympson integration
static constexpr G4int fBinTR = 50; // number of bins in TR vectors
static constexpr G4int fTotBin = 50; // number of bins in log scale
const std::vector<G4double>* fGammaCutInKineticEnergy;
// TR photon cut in energy array
G4ParticleDefinition* fPtrGamma; // pointer to TR photon
G4PhysicsTable* fAngleDistrTable;
G4PhysicsTable* fEnergyDistrTable;
G4PhysicsLogVector* fProtonEnergyVector;
G4double fMinEnergyTR; // min TR energy in material
G4double fMaxEnergyTR; // max TR energy in material
G4double fMaxThetaTR; // max theta of TR quanta
G4double fGamma; // current Lorentz factor
G4double fGammaTkinCut; // Tkin cut of TR photon in current mat.
G4double fSigma1; // plasma energy Sq of matter1
G4double fSigma2; // plasma energy Sq of matter2
G4int secID = -1; // creator modelID
};
#endif // G4FORWARDXRAYTR_H