Import Geant4 10.5.0 source tree
This commit is contained in:
Gabriele Cosmo
@@ -35,8 +35,6 @@
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// Creation date: 20.10.2011
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//
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// Modifications:
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// 27-05-2012 Added Analytic Fitting to the Mott Cross Section by means of G4MottCoefficients class.
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//
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//
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// Class Description:
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// Computation of electron Coulomb Scattering Cross Section.
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@@ -45,7 +43,7 @@
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// Reference:
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// M.J. Boschini et al.
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// "Non Ionizing Energy Loss induced by Electrons in the Space Environment"
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// Proc. of the 13th International Conference on Particle Physics and Advanced Technology
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// Proc. of the 13th Int. Conf. on Particle Physics and Advanced Technology
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// (13th ICPPAT, Como 3-7/10/2011), World Scientific (Singapore).
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// Available at: http://arxiv.org/abs/1111.4042v4
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//
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@@ -58,9 +56,9 @@
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// 2) Screening coefficient:
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// vomn G. Moliere, Z. Naturforsh A2 (1947), 133-145; A3 (1948), 78.
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// 3) Nuclear Form Factor:
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// A.V. Butkevich et al. Nucl. Instr. and Meth. in Phys. Res. A 488 (2002), 282-294.
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// A.V. Butkevich et al. Nucl. Instr. Meth. A488 (2002), 282-294.
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//
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// ----------------------------------------------------------------------------------------
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// ------------------------------------------------------------------------------
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//
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#ifndef G4ScreeningMottCrossSection_h
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@@ -68,162 +66,165 @@
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "G4MottCoefficients.hh"
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#include "globals.hh"
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#include "G4Material.hh"
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#include "G4Element.hh"
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#include "G4ElementVector.hh"
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#include "G4NistManager.hh"
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#include "G4ThreeVector.hh"
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#include "G4Pow.hh"
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#include "G4LossTableManager.hh"
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#include "G4ParticleDefinition.hh"
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#include "G4ThreeVector.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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static const G4int DIM = 750;
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class G4ParticleDefinition;
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class G4NistManager;
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class G4Pow;
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class G4ScreeningMottCrossSection
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{
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public:
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explicit G4ScreeningMottCrossSection();
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explicit G4ScreeningMottCrossSection();
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virtual ~G4ScreeningMottCrossSection();
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virtual ~G4ScreeningMottCrossSection();
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void Initialise(const G4ParticleDefinition*, G4double cosThetaLim);
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void Initialise(const G4ParticleDefinition*, G4double cosThetaLim);
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G4double GetScreeningAngle();
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void SetScreeningCoefficient();
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inline void SetupParticle(const G4ParticleDefinition*);
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void SetupKinematic(G4double kinEnergy ,G4double Z);
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inline void SetupParticle(const G4ParticleDefinition*);
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void SetupKinematic(G4double kinEnergy ,G4double Z);
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G4double NuclearCrossSection(G4int, G4int);
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G4ThreeVector GetNewDirection();
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G4double NuclearCrossSection(G4int, G4int);
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G4ThreeVector GetNewDirection();
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inline G4double GetMom2CM()const;
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inline G4double GetMom2Lab()const;
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inline G4double GetTrec() const;
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inline G4double GetScreeningCoefficient() const;
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inline G4double GetTotalCross() const;
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inline G4double GetMom2CM()const;
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inline G4double GetMom2Lab()const;
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inline G4double GetTrec() const;
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inline G4double GetScreeningCoefficient() const;
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inline G4double GetTotalCross() const;
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G4double McFcorrection(G4double);
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G4double RatioMottRutherford(G4double);
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G4double RatioMottRutherfordCosT(G4double);
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G4double FormFactor2ExpHof(G4double);
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G4double FormFactor2Gauss(G4double);
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G4double FormFactor2UniformHelm(G4double);
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G4double GetScatteringAngle(G4int, G4int);
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G4double SetDifferentialXSection(G4double, G4double, G4int);
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G4double McFcorrection(G4double);
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G4double RatioMottRutherford(G4double);
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G4double RatioMottRutherfordCosT(G4double);
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G4double FormFactor2ExpHof(G4double);
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G4double FormFactor2Gauss(G4double);
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G4double FormFactor2UniformHelm(G4double);
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G4double GetScatteringAngle(G4int, G4int);
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G4double SetDifferentialXSection(G4double, G4double, G4int);
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private:
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G4ScreeningMottCrossSection & operator=(const G4ScreeningMottCrossSection &right) = delete;
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G4ScreeningMottCrossSection(const G4ScreeningMottCrossSection&) = delete;
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inline G4double GetScreeningAngle();
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void SetScreeningCoefficient();
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G4NistManager* fNistManager;
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G4Pow* fG4pow;
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G4MottCoefficients * mottcoeff;
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G4double GetTransitionRandom();
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G4double TotalCross;
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//cost - min - max
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G4double cosThetaMin;// def 1.0
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G4double cosThetaMax;// def -1.0
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G4ScreeningMottCrossSection & operator=
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(const G4ScreeningMottCrossSection &right) = delete;
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G4ScreeningMottCrossSection(const G4ScreeningMottCrossSection&) = delete;
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G4double cosTetMinNuc;
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G4double cosTetMaxNuc;
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G4NistManager* fNistManager;
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G4Pow* fG4pow;
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//energy cut
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G4double ecut;
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G4double etag;
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G4double fTotalCross;
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//cost - min - max
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G4double cosThetaMin;// def 1.0
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G4double cosThetaMax;// def -1.0
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// projectile........................
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const G4ParticleDefinition* particle;
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G4double cosTetMinNuc;
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G4double cosTetMaxNuc;
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G4double spin;
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G4double mass;
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//energy cut
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G4double ecut;
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G4double etag;
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//lab of incedent particle
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G4double tkinLab;
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G4double momLab2;
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G4double invbetaLab2;
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// projectile........................
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const G4ParticleDefinition* particle;
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//relative system with nucleus
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G4double mu_rel;
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G4double tkin;
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G4double mom2;
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G4double invbeta2;
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G4double beta;
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G4double gamma;
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G4double spin;
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G4double mass;
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// target nucleus
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G4double targetZ;
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G4double targetA;
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G4double targetMass;
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G4double Trec;
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G4double As;
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G4double coeffb[5][6];
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//lab of incedent particle
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G4double tkinLab;
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G4double momLab2;
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G4double invbetaLab2;
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//constants
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G4double alpha;
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G4double htc2;
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G4double e2;
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//relative system with nucleus
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G4double mu_rel;
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G4double tkin;
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G4double mom2;
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G4double invbeta2;
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G4double beta;
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G4double gamma;
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//angle
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G4double cross[DIM];
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// target nucleus
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G4int targetZ;
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G4int targetA;
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G4double targetMass;
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G4double Trec;
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G4double As;
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//constants
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G4double alpha;
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G4double htc2;
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G4double e2;
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//angle
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G4double cross[DIM];
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline void G4ScreeningMottCrossSection::SetupParticle(const G4ParticleDefinition* p)
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inline
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void G4ScreeningMottCrossSection::SetupParticle(const G4ParticleDefinition* p)
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{
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particle = p;
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mass = particle->GetPDGMass();
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spin = particle->GetPDGSpin();
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if(0.0 != spin) { spin = 0.5; }
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tkin = 0.0;
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particle = p;
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mass = particle->GetPDGMass();
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spin = particle->GetPDGSpin();
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if(0.0 != spin) { spin = 0.5; }
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tkin = 0.0;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4ScreeningMottCrossSection::GetMom2CM() const
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{
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return mom2;
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return mom2;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4ScreeningMottCrossSection::GetMom2Lab() const
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{
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return momLab2;
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return momLab2;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4ScreeningMottCrossSection::GetTrec() const
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{
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return Trec;
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return Trec;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4ScreeningMottCrossSection::GetScreeningCoefficient() const
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{
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return As;
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return As;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4ScreeningMottCrossSection::GetTotalCross() const
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{
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return TotalCross;
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return fTotalCross;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4ScreeningMottCrossSection::GetScreeningAngle()
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{
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G4double screenangle=2.*std::asin(std::sqrt(As));
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return std::min(screenangle, CLHEP::pi);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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