Geant4  10.02.p01
G4ElectroNuclearCrossSection.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: G4ElectroNuclearCrossSection -- header file
28 // M.V. Kossov, ITEP(Moscow), 24-OCT-01
29 // The last update: M.V. Kossov, CERN/ITEP (Moscow) 25-Sept-03
30 
31 // A. Dotti 2-May-2013: Re-write caching logic and optimizations
32 
33 #ifndef G4ElectroNuclearCrossSection_h
34 #define G4ElectroNuclearCrossSection_h 1
35 
37 #include "G4DynamicParticle.hh"
38 #include "G4Element.hh"
39 #include "G4ParticleTable.hh"
40 #include "G4NucleiProperties.hh"
41 #include "G4NistManager.hh"
42 #include <vector>
43 #include "Randomize.hh"
44 #include "G4Electron.hh"
45 #include "G4Positron.hh"
46 #include <map>
47 
48 //A cache element
49 struct cacheEl_t {
56 };
57 
59 {
60 public:
61 
64 
65  static const char* Default_Name() {return "ElectroNuclearXS";}
66 
67  virtual void CrossSectionDescription(std::ostream&) const;
68 
70  const G4Material*);
72  const G4Material* mat);
73 
75 
77 
79 
80 private:
82 
87 
91 
92 // Body
93 private:
96 
97  //Cache structure
99  std::vector<cacheEl_t*> cache;
102 
103  //Cache values for XS
104  G4double lastE ; //Last used energy value
105  G4double lastSig; //Last used XS value
106  G4double lastG; //Last value of gamma=lnE-ln(me)
107  G4int lastL; //Last used in the cross section TheLastBin
108 
111 };
112 
113 #endif
G4double z
Definition: TRTMaterials.hh:39
G4double a
Definition: TRTMaterials.hh:39
G4double HighEnergyJ2(G4double lE, G4double E)
int G4int
Definition: G4Types.hh:78
virtual G4bool IsElementApplicable(const G4DynamicParticle *, G4int Z, const G4Material *)
virtual void CrossSectionDescription(std::ostream &) const
G4double HighEnergyJ3(G4double lE, G4double E2)
bool G4bool
Definition: G4Types.hh:79
G4int GetFunctions(G4double a, G4double *x, G4double *y, G4double *z)
G4double GetVirtualFactor(G4double nu, G4double Q2)
virtual G4double GetElementCrossSection(const G4DynamicParticle *, G4int Z, const G4Material *mat)
const G4double x[NPOINTSGL]
G4double ThresholdEnergy(G4int Z, G4int N)
double G4double
Definition: G4Types.hh:76