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This commit is contained in:
Gabriele Cosmo
2017-12-08 12:52:30 +01:00
parent 98e455a940
commit fc6af9e721
2166 changed files with 276760 additions and 100873 deletions
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source/processes/electromagnetic/standard/include/G4ScreeningMottCrossSection.hh
+28 -31
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@@ -32,7 +32,7 @@
//
// Author: Cristina Consolandi
//
// Creation date: 20.10.2011
// Creation date: 20.10.2011
//
// Modifications:
// 27-05-2012 Added Analytic Fitting to the Mott Cross Section by means of G4MottCoefficients class.
@@ -40,24 +40,24 @@
//
// Class Description:
// Computation of electron Coulomb Scattering Cross Section.
// Suitable for high energy electrons and light target materials.
// Suitable for high energy electrons and light target materials.
//
// Reference:
// M.J. Boschini et al.
// "Non Ionizing Energy Loss induced by Electrons in the Space Environment"
// Proc. of the 13th International Conference on Particle Physics and Advanced Technology
// Proc. of the 13th International Conference on Particle Physics and Advanced Technology
// (13th ICPPAT, Como 3-7/10/2011), World Scientific (Singapore).
// Available at: http://arxiv.org/abs/1111.4042v4
//
// 1) Mott Differential Cross Section Approximation:
// 1) Mott Differential Cross Section Approximation:
// For Target material up to Z=92 (U):
// As described in http://arxiv.org/abs/1111.4042v4
// As described in http://arxiv.org/abs/1111.4042v4
// par. 2.1 , eq. (16)-(17)
// Else (Z>92):
// W. A. McKinley and H. Fashbach, Phys. Rev. 74, (1948) 1759.
// 2) Screening coefficient:
// 2) Screening coefficient:
// vomn G. Moliere, Z. Naturforsh A2 (1947), 133-145; A3 (1948), 78.
// 3) Nuclear Form Factor:
// 3) Nuclear Form Factor:
// A.V. Butkevich et al. Nucl. Instr. and Meth. in Phys. Res. A 488 (2002), 282-294.
//
// ----------------------------------------------------------------------------------------
@@ -98,11 +98,11 @@ public:
G4double GetScreeningAngle();
void SetScreeningCoefficient();
inline void SetupParticle(const G4ParticleDefinition*);
void SetupKinematic(G4double kinEnergy ,G4double Z);
G4double NuclearCrossSection(G4int form);
G4double NuclearCrossSection(G4int, G4int);
G4ThreeVector GetNewDirection();
inline G4double GetMom2CM()const;
@@ -116,56 +116,55 @@ public:
G4double FormFactor2ExpHof(G4double);
G4double FormFactor2Gauss(G4double);
G4double FormFactor2UniformHelm(G4double);
G4double GetScatteringAngle();
G4double AngleDistribution(G4double);
G4double GetScatteringAngle(G4int, G4int);
G4double SetDifferentialXSection(G4double, G4double, G4int);
private:
G4ScreeningMottCrossSection & operator=(const G4ScreeningMottCrossSection &right) = delete;
G4ScreeningMottCrossSection(const G4ScreeningMottCrossSection&) = delete;
G4NistManager* fNistManager;
G4Pow* fG4pow;
G4NistManager* fNistManager;
G4Pow* fG4pow;
G4MottCoefficients * mottcoeff;
G4double TotalCross;
//cost - min - max
G4double TotalCross;
//cost - min - max
G4double cosThetaMin;// def 1.0
G4double cosThetaMax;// def -1.0
G4double cosTetMinNuc;
G4double cosTetMaxNuc;
G4double cosTetMinNuc;
G4double cosTetMaxNuc;
//energy cut
G4double ecut;
G4double etag;
G4double ecut;
G4double etag;
// projectile........................
const G4ParticleDefinition* particle;
G4double spin;
G4double mass;
G4double spin;
G4double mass;
//lab of incedent particle
//lab of incedent particle
G4double tkinLab;
G4double momLab2;
G4double invbetaLab2;
//relative system with nucleus
G4double mu_rel;
G4double tkin;
G4double mom2;
G4double invbeta2;
G4double tkin;
G4double mom2;
G4double invbeta2;
G4double beta;
G4double gamma;
// target nucleus
G4double targetZ;
G4double targetZ;
G4double targetA;
G4double targetMass;
G4double targetMass;
G4double Trec;
G4double As;
G4double As;
G4double coeffb[5][6];
//constants
@@ -229,5 +228,3 @@ inline G4double G4ScreeningMottCrossSection::GetTotalCross() const
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
#endif