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25 // << 25 //
26 // << 26 //
27 // Geant4 Header : G4HadronElastic << 27 // $Id: G4HadronElastic.hh,v 1.27.2.1 2010/01/26 15:03:49 gcosmo Exp $
28 // << 28 // GEANT4 tag $Name: geant4-09-02-patch-03 $
29 // Author : V.Ivanchenko 29 June 2009 (redesig << 29 //
30 // << 30 //
31 // Modified: << 31 // G4 Model: Low energy elastic scattering with 4-momentum balance
32 // << 32 // Derived fron G4LElastic of F.W. Jones, TRIUMF, 04-JUN-96
33 // Class Description << 33 // Uses G4ElasticHadrNucleusHE and G4VQCrossSection
34 // Default model for elastic scattering; GHEIS << 34 //
35 // Class Description - End << 35 // Modified:
36 << 36 // 14-Dec-05 V.Ivanchenko rename the class
37 #ifndef G4HadronElastic_h << 37 // 13-Apr-06 V.Ivanchenko move to coherent_elastic
38 #define G4HadronElastic_h 1 << 38 // 25-Jul-06 V.Ivanchenko add 19 MeV low energy, below which S-wave is sampled
39 << 39 // 20-Oct-06 V.Ivanchenko default ekinhigh = GeV (use HE model)
40 #include "globals.hh" << 40 // 16-Nov-06 V.Ivanchenko remove definition
41 #include "G4HadronicInteraction.hh" << 41 // 16-Nov-06 V.Ivanchenko default ekinhigh = 0.4*GeV
42 #include "G4HadProjectile.hh" << 42 // 16-Nov-06 V.Ivanchenko cleanup and rename Set methods and variables
43 #include "G4Nucleus.hh" << 43 // 28-Mar-07 V.Ivanchenko add NIST manager
44 #include "G4NucleiProperties.hh" << 44 // 11-May-07 V.Ivanchenko remove unused method Defs1
45 << 45 //
46 class G4ParticleDefinition; << 46 //
47 << 47 // Class Description
48 class G4HadronElastic : public G4HadronicInter << 48 // Final state production model for hadron nuclear elastic scattering;
49 { << 49 // Class Description - End
50 public: << 50
51 << 51
52 explicit G4HadronElastic(const G4String& nam << 52 #ifndef G4HadronElastic_h
53 << 53 #define G4HadronElastic_h 1
54 ~G4HadronElastic() override; << 54
55 << 55 #include "globals.hh"
56 // implementation of the G4HadronicInteracti << 56 #include "G4HadronicInteraction.hh"
57 G4HadFinalState* ApplyYourself(const G4HadPr << 57 #include "G4HadProjectile.hh"
58 G4Nucleus & targetNucleus) override; << 58 #include "G4Nucleus.hh"
59 << 59
60 // sample momentum transfer using Lab. momen << 60 enum G4ElasticGenerator
61 G4double SampleInvariantT(const G4ParticleDe << 61 {
62 G4int Z, G4int A) override; << 62 fLElastic = 0,
63 << 63 fHElastic,
64 G4double GetSlopeCof( const G4int pdg ); << 64 fQElastic,
65 << 65 fSWave
66 inline void SetLowestEnergyLimit(G4double va << 66 };
67 << 67
68 inline G4double LowestEnergyLimit() const; << 68 class G4ParticleDefinition;
69 << 69 class G4VQCrossSection;
70 inline G4double ComputeMomentumCMS(const G4P << 70 class G4ElasticHadrNucleusHE;
71 G4double plab, G4int Z, G4int A); << 71
72 << 72 class G4HadronElastic : public G4HadronicInteraction
73 void ModelDescription(std::ostream&) const o << 73 {
74 << 74 public:
75 protected: << 75
76 << 76 G4HadronElastic(G4ElasticHadrNucleusHE* HModel = 0);
77 G4double pLocalTmax; << 77
78 G4int secID; // Creator model ID for the re << 78 virtual ~G4HadronElastic();
79 << 79
80 private: << 80 G4HadFinalState * ApplyYourself(const G4HadProjectile & aTrack,
81 << 81 G4Nucleus & targetNucleus);
82 G4ParticleDefinition* theProton; << 82
83 G4ParticleDefinition* theNeutron; << 83 G4VQCrossSection* GetCS();
84 G4ParticleDefinition* theDeuteron; << 84
85 G4ParticleDefinition* theAlpha; << 85 G4ElasticHadrNucleusHE* GetHElastic();
86 << 86
87 G4double lowestEnergyLimit; << 87 void SetPlabLowLimit(G4double value);
88 G4int nwarn; << 88
89 }; << 89 void SetHEModelLowLimit(G4double value);
90 << 90
91 inline void G4HadronElastic::SetLowestEnergyLi << 91 void SetQModelLowLimit(G4double value);
92 { << 92
93 lowestEnergyLimit = value; << 93 void SetLowestEnergyLimit(G4double value);
94 } << 94
95 << 95 void SetRecoilKinEnergyLimit(G4double value);
96 inline G4double G4HadronElastic::LowestEnergyL << 96
97 { << 97 G4double SampleT(G4double p, G4double m1, G4double m2, G4double A);
98 return lowestEnergyLimit; << 98
99 } << 99 private:
100 << 100
101 inline G4double << 101 G4int Rtmi(G4double* x, G4double xli, G4double xri, G4double eps,
102 G4HadronElastic::ComputeMomentumCMS(const G4Pa << 102 G4int iend,
103 G4double plab, G4int Z, G4int A) << 103 G4double aa, G4double bb, G4double cc, G4double dd,
104 { << 104 G4double rr);
105 G4double m1 = p->GetPDGMass(); << 105
106 G4double m12= m1*m1; << 106 G4double Fctcos(G4double t,
107 G4double mass2 = G4NucleiProperties::GetNucl << 107 G4double aa, G4double bb, G4double cc, G4double dd,
108 return plab*mass2/std::sqrt(m12 + mass2*mass << 108 G4double rr);
109 } << 109
110 << 110 static G4VQCrossSection* qCManager;
111 #endif << 111
>> 112 G4ElasticHadrNucleusHE* hElastic;
>> 113
>> 114 G4ParticleDefinition* theProton;
>> 115 G4ParticleDefinition* theNeutron;
>> 116 G4ParticleDefinition* theDeuteron;
>> 117 G4ParticleDefinition* theAlpha;
>> 118 const G4ParticleDefinition* thePionPlus;
>> 119 const G4ParticleDefinition* thePionMinus;
>> 120
>> 121 G4double lowEnergyRecoilLimit;
>> 122 G4double lowEnergyLimitHE;
>> 123 G4double lowEnergyLimitQ;
>> 124 G4double lowestEnergyLimit;
>> 125 G4double plabLowLimit;
>> 126
>> 127 };
>> 128
>> 129 inline void G4HadronElastic::SetRecoilKinEnergyLimit(G4double value)
>> 130 {
>> 131 lowEnergyRecoilLimit = value;
>> 132 }
>> 133
>> 134 inline void G4HadronElastic::SetPlabLowLimit(G4double value)
>> 135 {
>> 136 plabLowLimit = value;
>> 137 }
>> 138
>> 139 inline void G4HadronElastic::SetHEModelLowLimit(G4double value)
>> 140 {
>> 141 lowEnergyLimitHE = value;
>> 142 }
>> 143
>> 144 inline void G4HadronElastic::SetQModelLowLimit(G4double value)
>> 145 {
>> 146 lowEnergyLimitQ = value;
>> 147 }
>> 148
>> 149 inline void G4HadronElastic::SetLowestEnergyLimit(G4double value)
>> 150 {
>> 151 lowestEnergyLimit = value;
>> 152 }
>> 153
>> 154 #endif
112 155