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G4CrossSectionPairGG.hh
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25 //
26 // $Id$
27 // $ GEANT4 tag $Name: not supported by cvs2svn $
28 //
29 // Class G4CrossSectionPairGG
30 //
31 // Extend a cross section to higher energies using
32 // G4GlauberGribovCrossSection at high energies.
33 // Smoothly join cross section sets by scaling GG at a given
34 // transition energy to match the given low energy cross section.
35 //
36 // Author: Gunter Folger
37 // November 2010
38 //
39 #ifndef G4CrossSectionPairGG_h
40 #define G4CrossSectionPairGG_h
41 
42 #include "globals.hh"
44 #include "G4ParticleDefinition.hh"
46 #include <valarray>
47 #include <iostream>
48 
49 class G4NistManager;
50 
52 {
53  private:
56  G4CrossSectionPairGG& operator=(const G4CrossSectionPairGG&);
57 
58  public:
59 
61 // G4VCrossSectionDataSet * high,
62  G4double Etransit);
63 
64  virtual ~G4CrossSectionPairGG();
65 
66  virtual void CrossSectionDescription(std::ostream&) const;
67 
68  virtual
70  const G4Material* mat = 0);
71 
72  virtual
74  const G4Material* mat = 0);
75 
76  virtual void BuildPhysicsTable(const G4ParticleDefinition&);
77  virtual void DumpPhysicsTable(const G4ParticleDefinition&);
78 
79  private:
80 
81  G4NistManager* NistMan;
82  G4VCrossSectionDataSet * theLowX;
83  G4GlauberGribovCrossSection * theHighX;
84  G4double ETransition;
85  typedef std::valarray<G4double> XS_factors;
86  typedef std::pair<G4ParticleDefinition *, XS_factors > ParticleXScale;
87  std::vector<ParticleXScale> scale_factors;
88 
89 };
90 
91 #endif