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// $Id: G4VXTRenergyLoss.hh,v 1.24 2007-09-29 17:49:34 vnivanch Exp $
// GEANT4 tag $Name: not supported by cvs2svn $
//
//
///////////////////////////////////////////////////////////////////////////
//
// base class for 'fast' parametrisation model describing X-ray transition
// created in some G4Envelope. Anglur distribuiton is very rough !!! (see DoIt
// method
//
// History:
// 06.10.05 V. Grichine first step to discrete process
// 15.01.02 V. Grichine first version
// 28.07.05, P.Gumplinger add G4ProcessType to constructor
// 28.09.07, V.Ivanchenko general cleanup without change of algorithms
//
#ifndef G4VXTRenergyLoss_h
#define G4VXTRenergyLoss_h 1
#include <complex>
#include "globals.hh"
#include "Randomize.hh"
#include "G4LogicalVolume.hh"
#include "G4PhysicsTable.hh"
#include "G4PhysicsLogVector.hh"
#include "G4Gamma.hh"
#include "G4ThreeVector.hh"
#include "G4ParticleMomentum.hh"
#include "G4Step.hh"
#include "G4Track.hh"
#include "G4VContinuousProcess.hh"
#include "G4VDiscreteProcess.hh"
#include "G4DynamicParticle.hh"
#include "G4Material.hh"
#include "G4PhysicsTable.hh"
#include "G4MaterialPropertiesTable.hh"
#include "G4PhysicsOrderedFreeVector.hh"
#include "G4Integrator.hh"
#include "G4ParticleChange.hh"
class G4SandiaTable;
class G4VParticleChange;
class G4PhysicsFreeVector;
class G4VXTRenergyLoss : public G4VDiscreteProcess // G4VContinuousProcess
{
public:
G4VXTRenergyLoss (G4LogicalVolume *anEnvelope,G4Material*,G4Material*,
G4double,G4double,G4int,
const G4String & processName = "XTRenergyLoss",
G4ProcessType type = fElectromagnetic);
virtual ~G4VXTRenergyLoss ();
// These virtual has to be implemented in inherited particular TR radiators
virtual G4double GetStackFactor( G4double energy, G4double gamma,
G4double varAngle );
G4bool IsApplicable(const G4ParticleDefinition&);
G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
const G4Step& aStep);
G4double GetMeanFreePath(const G4Track& aTrack,
G4double previousStepSize,
G4ForceCondition* condition);
void BuildPhysicsTable(const G4ParticleDefinition&);
void BuildTable() ;
void BuildEnergyTable() ;
void BuildAngleTable() ;
void BuildGlobalAngleTable() ;
G4complex OneInterfaceXTRdEdx( G4double energy,
G4double gamma,
G4double varAngle ) ;
G4double SpectralAngleXTRdEdx(G4double varAngle) ;
virtual G4double SpectralXTRdEdx(G4double energy) ;
G4double AngleSpectralXTRdEdx(G4double energy) ;
G4double AngleXTRdEdx(G4double varAngle) ;
/////////////////////////////////////////////////////////////
G4double OneBoundaryXTRNdensity( G4double energy,
G4double gamma,
G4double varAngle ) const ;
// for photon energy distribution tables
G4double XTRNSpectralAngleDensity(G4double varAngle) ;
G4double XTRNSpectralDensity(G4double energy) ;
// for photon angle distribution tables
G4double XTRNAngleSpectralDensity(G4double energy) ;
G4double XTRNAngleDensity(G4double varAngle) ;
void GetNumberOfPhotons() ;
// Auxiliary functions for plate/gas material parameters
G4double GetPlateFormationZone(G4double,G4double,G4double);
G4complex GetPlateComplexFZ(G4double,G4double,G4double);
void ComputePlatePhotoAbsCof();
G4double GetPlateLinearPhotoAbs(G4double);
void GetPlateZmuProduct() ;
G4double GetPlateZmuProduct(G4double,G4double,G4double);
G4double GetGasFormationZone(G4double,G4double,G4double);
G4complex GetGasComplexFZ(G4double,G4double,G4double);
void ComputeGasPhotoAbsCof();
G4double GetGasLinearPhotoAbs(G4double);
void GetGasZmuProduct();
G4double GetGasZmuProduct(G4double,G4double,G4double);
G4double GetPlateCompton(G4double);
G4double GetGasCompton(G4double);
G4double GetComptonPerAtom(G4double,G4double);
G4double GetXTRrandomEnergy( G4double scaledTkin, G4int iTkin );
G4double GetXTRenergy( G4int iPlace, G4double position, G4int iTransfer );
G4double GetRandomAngle( G4double energyXTR, G4int iTkin );
G4double GetAngleXTR(G4int iTR,G4double position,G4int iAngle);
G4double GetGamma() {return fGamma;};
G4double GetEnergy() {return fEnergy;};
G4double GetVarAngle(){return fVarAngle;};
void SetGamma(G4double gamma) {fGamma = gamma;};
void SetEnergy(G4double energy) {fEnergy = energy;};
void SetVarAngle(G4double varAngle){fVarAngle = varAngle;};
void SetAngleRadDistr(G4bool pAngleRadDistr){fAngleRadDistr=pAngleRadDistr;};
void SetCompton(G4bool pC){fCompton=pC;};
G4PhysicsLogVector* GetProtonVector(){ return fProtonEnergyVector;};
G4int GetTotBin(){return fTotBin;};
G4PhysicsFreeVector* GetAngleVector(G4double energy, G4int n);
protected:
G4ParticleDefinition* fPtrGamma ; // pointer to TR photon
G4double* fGammaCutInKineticEnergy ; // TR photon cut in energy array
G4double fGammaTkinCut ; // Tkin cut of TR photon in current mat.
G4LogicalVolume* fEnvelope ;
G4PhysicsTable* fAngleDistrTable ;
G4PhysicsTable* fEnergyDistrTable ;
G4PhysicsLogVector* fProtonEnergyVector ;
G4PhysicsLogVector* fXTREnergyVector ;
G4double fTheMinEnergyTR; // min TR energy
G4double fTheMaxEnergyTR; // max TR energy
G4double fMinEnergyTR; // min TR energy in material
G4double fMaxEnergyTR; // max TR energy in material
G4double fTheMaxAngle; // max theta of TR quanta
G4double fTheMinAngle; // max theta of TR quanta
G4double fMaxThetaTR; // max theta of TR quanta
G4int fBinTR; // number of bins in TR vectors
G4double fMinProtonTkin; // min Tkin of proton in tables
G4double fMaxProtonTkin; // max Tkin of proton in tables
G4int fTotBin; // number of bins in log scale
G4double fGamma; // current Lorentz factor
G4double fEnergy; // energy and
G4double fVarAngle; // angle squared
G4double fLambda;
G4double fPlasmaCof ; // physical consts for plasma energy
G4double fCofTR ;
G4bool fExitFlux;
G4bool fAngleRadDistr;
G4bool fCompton;
G4double fSigma1;
G4double fSigma2; // plasma energy Sq of matter1/2
G4int fMatIndex1;
G4int fMatIndex2;
G4int fPlateNumber;
G4double fTotalDist;
G4double fPlateThick;
G4double fGasThick;
G4double fAlphaPlate;
G4double fAlphaGas ;
G4SandiaTable* fPlatePhotoAbsCof;
G4SandiaTable* fGasPhotoAbsCof;
G4ParticleChange fParticleChange;
G4PhysicsTable* fAngleForEnergyTable;
std::vector<G4PhysicsTable*> fAngleBank;
};
#endif