Geant4  10.03.p03
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
G4LivermorePolarizedRayleighModel.hh
Go to the documentation of this file.
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 // $Id: G4LivermorePolarizedRayleighModel.hh 93810 2015-11-02 11:27:56Z gcosmo $
27 //
28 // Author: Sebastien Incerti
29 // 30 October 2008
30 // on base of G4LowEnergyPolarizedRayleigh developed by R. Capra
31 //
32 
33 #ifndef G4LivermorePolarizedRayleighModel_h
34 #define G4LivermorePolarizedRayleighModel_h 1
35 
36 #include "G4VEmModel.hh"
38 #include "G4LPhysicsFreeVector.hh"
39 #include "G4ProductionCutsTable.hh"
40 
41 //#include "G4CrossSectionHandler.hh"
42 //#include "G4LogLogInterpolation.hh"
43 //#include "G4CompositeEMDataSet.hh"
44 
45 #include "G4VEMDataSet.hh"
46 #include "G4CompositeEMDataSet.hh"
47 
48 
49 
51 {
52 
53 public:
54 
56  const G4String& nam = "LivermorePolarizedRayleigh");
57 
59 
60  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
61 
62  virtual void InitialiseLocal(const G4ParticleDefinition*,
63  G4VEmModel* masterModel);
64 
65  virtual void InitialiseForElement(const G4ParticleDefinition*, G4int Z);
66 
68  const G4ParticleDefinition*,
69  G4double kinEnergy,
70  G4double Z,
71  G4double A=0,
72  G4double cut=0,
74 
75  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
76  const G4MaterialCutsCouple*,
77  const G4DynamicParticle*,
78  G4double tmin,
79  G4double maxEnergy);
80 
81 private:
82 
83  G4ParticleChangeForGamma* fParticleChange;
84  G4int verboseLevel;
85  G4bool isInitialised;
86 
87  G4double lowEnergyLimit;
88  //G4double highEnergyLimit;
89 
92 
93  // cross section
94 
95  void ReadData(size_t Z, const char* path = 0);
96 
97  static G4VEMDataSet* formFactorData;
98  static G4int maxZ;
99  static G4LPhysicsFreeVector* dataCS[101];
100 
101  // Polarization
102 
103  // Generates \f$cos \left ( \theta\right )\f$ of the scattered photon
104  // incomingPhotonEnergy The energy of the incoming photon
105  // zAtom Atomic number
106  // \f$cos \left ( \theta\right )\f$
107  G4double GenerateCosTheta(G4double incomingPhotonEnergy, G4int zAtom) const;
108 
109  // Generates \f$\phi\f$ of the scattered photon
110  // cosTheta \f$cos \left ( \theta\right )\f$ of the scattered photon
111  // \f$\phi\f$
112  G4double GeneratePhi(G4double cosTheta) const;
113 
114  // Generates the polarization direction \f$\beta\f$ in the plane x, y relative to the x direction
115  // \f$\beta\f$
116  G4double GeneratePolarizationAngle(void) const;
117 
118  G4ThreeVector GetPhotonPolarization(const G4DynamicParticle& photon);
119 
120 
121 };
122 
123 
124 #endif
virtual void InitialiseForElement(const G4ParticleDefinition *, G4int Z)
const char * p
Definition: xmltok.h:285
virtual G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A=0, G4double cut=0, G4double emax=DBL_MAX)
int G4int
Definition: G4Types.hh:78
virtual void SampleSecondaries(std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy)
double A(double temperature)
virtual void InitialiseLocal(const G4ParticleDefinition *, G4VEmModel *masterModel)
bool G4bool
Definition: G4Types.hh:79
static const G4double emax
double G4double
Definition: G4Types.hh:76
G4LivermorePolarizedRayleighModel(const G4ParticleDefinition *p=0, const G4String &nam="LivermorePolarizedRayleigh")
virtual void Initialise(const G4ParticleDefinition *, const G4DataVector &)
#define DBL_MAX
Definition: templates.hh:83