Geant4  10.00.p01
G4PhotoNuclearCrossSection.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 //
27 // GEANT4 physics class: G4PhotoNuclearCrossSection -- header file
28 // Created: M.V. Kossov, CERN/ITEP(Moscow), 10-OCT-01
29 // The last update: M.V. Kossov, CERN/ITEP (Moscow) 17-May-02
30 
31 #ifndef G4PhotoNuclearCrossSection_h
32 #define G4PhotoNuclearCrossSection_h 1
33 
35 #include "G4DynamicParticle.hh"
36 #include "G4Element.hh"
37 #include "G4ParticleTable.hh"
38 #include "G4NucleiProperties.hh"
39 #include "G4NistManager.hh"
40 #include <vector>
41 
43 {
44 public:
45 
48 
49  static const char* Default_Name() {return "PhotoNuclearXS";}
50 
51  virtual void CrossSectionDescription(std::ostream&) const;
52 
53  virtual G4bool
54  IsElementApplicable(const G4DynamicParticle* particle, G4int Z,
55  const G4Material*);
56 
57  virtual G4double
59  const G4Material*);
60 
61 private:
62 
65  const G4double XD, const G4double* Y);
67 
68  // Body
69 private:
70 
71  G4int lastZ; // The last Z of calculated nucleus
72  G4double lastSig; // Last value of the Cross Section
73  G4double* lastGDR; // Pointer to the last array of GDR cross sections
74  G4double* lastHEN; // Pointer to the last array of HEn cross sections
75  G4double lastE; // Last used in the cross section Energy
76  G4double lastTH; // Last value of the Energy Threshold (A-dependent)
77  G4double lastSP; // Last value of the ShadowingPomeron (A-dependent)
78 
79  // Vector of pointers to the GDRPhotonuclearCrossSection
80  std::vector <G4double*> GDR;
81 
82  // Vector of pointers to the HighEnPhotonuclearCrossSect
83  std::vector <G4double*> HEN;
84 
85  std::vector <G4double> spA; // shadowing coefficients (A-dependent)
86  std::vector <G4double> eTH; // energy threshold (A-dependent)
87 
89 
92 };
93 
94 #endif
G4double z
Definition: TRTMaterials.hh:39
G4int GetFunctions(G4double a, G4double *y, G4double *z)
G4double EquLinearFit(G4double X, G4int N, const G4double X0, const G4double XD, const G4double *Y)
G4double a
Definition: TRTMaterials.hh:39
virtual G4bool IsElementApplicable(const G4DynamicParticle *particle, G4int Z, const G4Material *)
int G4int
Definition: G4Types.hh:78
bool G4bool
Definition: G4Types.hh:79
virtual G4double GetElementCrossSection(const G4DynamicParticle *, G4int Z, const G4Material *)
virtual void CrossSectionDescription(std::ostream &) const
G4double ThresholdEnergy(G4int Z, G4int N)
double G4double
Definition: G4Types.hh:76