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27 // Geant4 Header : G4HadronElastic << 27 // $Id: G4HadronElastic.hh,v 1.11 2006/06/29 20:09:03 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-08-01 $
28 // 29 //
29 // Author : V.Ivanchenko 29 June 2009 (redesig << 30 //
>> 31 // G4 Model: Low energy elastic scattering with 4-momentum balance
>> 32 // Derived fron G4LElastic of F.W. Jones, TRIUMF, 04-JUN-96
>> 33 // Uses G4ElasticHadrNucleusHE and G4VQCrossSection
30 // 34 //
31 // Modified: 35 // Modified:
>> 36 // 14-Dec-05 V.Ivanchenko rename the class
>> 37 // 13-Apr-06 V.Ivanchenko move to coherent_elastic
>> 38 //
32 // 39 //
33 // Class Description 40 // Class Description
34 // Default model for elastic scattering; GHEIS << 41 // Final state production model for hadron nuclear elastic scattering;
35 // Class Description - End 42 // Class Description - End
36 43
>> 44
37 #ifndef G4HadronElastic_h 45 #ifndef G4HadronElastic_h
38 #define G4HadronElastic_h 1 46 #define G4HadronElastic_h 1
39 47
40 #include "globals.hh" 48 #include "globals.hh"
41 #include "G4HadronicInteraction.hh" 49 #include "G4HadronicInteraction.hh"
42 #include "G4HadProjectile.hh" 50 #include "G4HadProjectile.hh"
43 #include "G4Nucleus.hh" 51 #include "G4Nucleus.hh"
44 #include "G4NucleiProperties.hh" << 52
>> 53 enum G4ElasticGenerator
>> 54 {
>> 55 fLElastic = 0,
>> 56 fHElastic,
>> 57 fQElastic,
>> 58 fSWave
>> 59 };
45 60
46 class G4ParticleDefinition; 61 class G4ParticleDefinition;
>> 62 class G4VQCrossSection;
>> 63 class G4ElasticHadrNucleusHE;
47 64
48 class G4HadronElastic : public G4HadronicInter 65 class G4HadronElastic : public G4HadronicInteraction
49 { 66 {
50 public: 67 public:
51 68
52 explicit G4HadronElastic(const G4String& nam << 69 G4HadronElastic(G4double elim = 100.*keV,
>> 70 G4double plow = 20.*MeV,
>> 71 G4double ehigh= DBL_MAX);
53 72
54 ~G4HadronElastic() override; << 73 virtual ~G4HadronElastic();
55 74
56 // implementation of the G4HadronicInteracti << 75 G4HadFinalState * ApplyYourself(const G4HadProjectile & aTrack,
57 G4HadFinalState* ApplyYourself(const G4HadPr << 76 G4Nucleus & targetNucleus);
58 G4Nucleus & targetNucleus) override; <<
59 77
60 // sample momentum transfer using Lab. momen << 78 G4VQCrossSection* GetCS();
61 G4double SampleInvariantT(const G4ParticleDe <<
62 G4int Z, G4int A) override; <<
63 <<
64 G4double GetSlopeCof( const G4int pdg ); <<
65 79
66 inline void SetLowestEnergyLimit(G4double va << 80 G4ElasticHadrNucleusHE* GetHElastic();
67 81
68 inline G4double LowestEnergyLimit() const; << 82 void SetMomentumLow(G4double value);
69 83
70 inline G4double ComputeMomentumCMS(const G4P << 84 void SetKinEnergyHigh(G4double value);
71 G4double plab, G4int Z, G4int A); <<
72 <<
73 void ModelDescription(std::ostream&) const o <<
74 85
75 protected: << 86 G4double SampleT(G4double p, G4double m1, G4double m2, G4double A);
76 <<
77 G4double pLocalTmax; <<
78 G4int secID; // Creator model ID for the re <<
79 87
80 private: 88 private:
81 89
82 G4ParticleDefinition* theProton; << 90 G4int Rtmi(G4double* x, G4double xli, G4double xri, G4double eps,
83 G4ParticleDefinition* theNeutron; << 91 G4int iend,
84 G4ParticleDefinition* theDeuteron; << 92 G4double aa, G4double bb, G4double cc, G4double dd,
85 G4ParticleDefinition* theAlpha; << 93 G4double rr);
86 << 94
87 G4double lowestEnergyLimit; << 95 G4double Fctcos(G4double t,
88 G4int nwarn; << 96 G4double aa, G4double bb, G4double cc, G4double dd,
>> 97 G4double rr);
>> 98
>> 99 void Defs1(G4double p, G4double px, G4double py, G4double pz,
>> 100 G4double pxinc, G4double pyinc, G4double pzinc,
>> 101 G4double* pxnew, G4double* pynew, G4double* pznew);
>> 102
>> 103 G4VQCrossSection* qCManager;
>> 104 G4ElasticHadrNucleusHE* hElastic;
>> 105
>> 106 const G4ParticleDefinition* theProton;
>> 107 const G4ParticleDefinition* theNeutron;
>> 108 const G4ParticleDefinition* theDeuteron;
>> 109 const G4ParticleDefinition* theAlpha;
>> 110
>> 111 G4double ekinlim; // in MeV
>> 112 G4double plablow; // in MeV/c
>> 113 G4double ekinhigh; // in MeV/c
89 }; 114 };
90 115
91 inline void G4HadronElastic::SetLowestEnergyLi << 116 inline void G4HadronElastic::SetMomentumLow(G4double value)
92 { <<
93 lowestEnergyLimit = value; <<
94 } <<
95 <<
96 inline G4double G4HadronElastic::LowestEnergyL <<
97 { 117 {
98 return lowestEnergyLimit; << 118 plablow = value;
99 } 119 }
100 120
101 inline G4double << 121 inline void G4HadronElastic::SetKinEnergyHigh(G4double value)
102 G4HadronElastic::ComputeMomentumCMS(const G4Pa <<
103 G4double plab, G4int Z, G4int A) <<
104 { 122 {
105 G4double m1 = p->GetPDGMass(); << 123 ekinhigh = value;
106 G4double m12= m1*m1; <<
107 G4double mass2 = G4NucleiProperties::GetNucl <<
108 return plab*mass2/std::sqrt(m12 + mass2*mass <<
109 } 124 }
110 125
111 #endif 126 #endif
112 127