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>> 26 // $Id: G4DiffElasticRatio.cc 66241 2012-12-13 18:34:42Z gunter $
26 // 27 //
27 // ------------------------------------------- 28 // -------------------------------------------------------------------
28 // 29 //
29 // GEANT4 Class file 30 // GEANT4 Class file
30 // 31 //
31 // 32 //
32 // File name: G4DiffElasticRatio 33 // File name: G4DiffElasticRatio
33 // 34 //
34 // Author: V.Grichine 07.10.2014 35 // Author: V.Grichine 07.10.2014
35 // 36 //
36 // Modifications: 37 // Modifications:
37 // 38 //
38 // 16.03.15 V. Grichine safety against H ( A > 39 // 16.03.15 V. Grichine safety against H ( A > 1 only )
39 40
40 #include "G4DiffElasticRatio.hh" 41 #include "G4DiffElasticRatio.hh"
41 #include "G4ParticleDefinition.hh" 42 #include "G4ParticleDefinition.hh"
42 #include "G4DiffElasticRatio.hh" 43 #include "G4DiffElasticRatio.hh"
43 #include "G4ComponentGGHadronNucleusXsc.hh" 44 #include "G4ComponentGGHadronNucleusXsc.hh"
44 45
45 G4DiffElasticRatio::G4DiffElasticRatio(const G 46 G4DiffElasticRatio::G4DiffElasticRatio(const G4String& nam, G4int verb)
46 : G4VCrossSectionRatio( nam, verb) 47 : G4VCrossSectionRatio( nam, verb)
47 { 48 {
48 fGGXsc = new G4ComponentGGHadronNucleusXsc() 49 fGGXsc = new G4ComponentGGHadronNucleusXsc();
49 fDDthreshold = 450.*CLHEP::MeV; // ~3 pi mas 50 fDDthreshold = 450.*CLHEP::MeV; // ~3 pi masses
50 } 51 }
51 52
52 G4DiffElasticRatio::~G4DiffElasticRatio() 53 G4DiffElasticRatio::~G4DiffElasticRatio()
53 { 54 {
54 if(fGGXsc) delete fGGXsc; 55 if(fGGXsc) delete fGGXsc;
55 } 56 }
56 57
57 58
58 G4double G4DiffElasticRatio::ComputeRatio(cons 59 G4double G4DiffElasticRatio::ComputeRatio(const G4ParticleDefinition* theParticleDefinition,
59 G4double kinEnergy, 60 G4double kinEnergy,
60 G4int Z, G4int A) 61 G4int Z, G4int A)
61 { 62 {
62 G4double ratio = 0.; 63 G4double ratio = 0.;
63 64
64 if( A > 1 && kinEnergy > fDDthreshold ) 65 if( A > 1 && kinEnergy > fDDthreshold )
65 { 66 {
66 G4double ggElXsc = fGGXsc->GetElasticEleme 67 G4double ggElXsc = fGGXsc->GetElasticElementCrossSection(theParticleDefinition,kinEnergy,
67 68 Z,A);
68 G4double ggsdXsc = fGGXsc->GetDiffractionG 69 G4double ggsdXsc = fGGXsc->GetDiffractionGlauberGribovXsc();
69 70
70 if( ggElXsc > 0.) ratio = ggsdXsc/ggElXsc; 71 if( ggElXsc > 0.) ratio = ggsdXsc/ggElXsc;
71 else ratio = 0; 72 else ratio = 0;
72 } 73 }
73 // G4cout<<theParticleDefinition->GetParticl 74 // G4cout<<theParticleDefinition->GetParticleName()<<"; "<<kinEnergy/CLHEP::GeV<<" GeV; r = "<<ratio<<G4endl;
74 return ratio; 75 return ratio;
75 } 76 }
76 77