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27 // Geant4 Header : G4HadronElastic << 27 // $Id: G4HadronElastic.hh,v 1.15 2006/08/10 15:59:38 vnivanch Exp $
>> 28 // GEANT4 tag $Name: geant4-08-01-patch-02 $
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 // 25-Jul-06 V.Ivanchenko add 19 MeV low energy, below which S-wave is sampled
>> 39 //
32 // 40 //
33 // Class Description 41 // Class Description
34 // Default model for elastic scattering; GHEIS << 42 // Final state production model for hadron nuclear elastic scattering;
35 // Class Description - End 43 // Class Description - End
36 44
>> 45
37 #ifndef G4HadronElastic_h 46 #ifndef G4HadronElastic_h
38 #define G4HadronElastic_h 1 47 #define G4HadronElastic_h 1
39 48
40 #include "globals.hh" 49 #include "globals.hh"
41 #include "G4HadronicInteraction.hh" 50 #include "G4HadronicInteraction.hh"
42 #include "G4HadProjectile.hh" 51 #include "G4HadProjectile.hh"
43 #include "G4Nucleus.hh" 52 #include "G4Nucleus.hh"
44 #include "G4NucleiProperties.hh" << 53
>> 54 enum G4ElasticGenerator
>> 55 {
>> 56 fLElastic = 0,
>> 57 fHElastic,
>> 58 fQElastic,
>> 59 fSWave
>> 60 };
45 61
46 class G4ParticleDefinition; 62 class G4ParticleDefinition;
>> 63 class G4VQCrossSection;
>> 64 class G4ElasticHadrNucleusHE;
47 65
48 class G4HadronElastic : public G4HadronicInter 66 class G4HadronElastic : public G4HadronicInteraction
49 { 67 {
50 public: 68 public:
51 69
52 explicit G4HadronElastic(const G4String& nam << 70 G4HadronElastic(G4double plow = 20.0*MeV,
>> 71 G4double elim = 100.*keV,
>> 72 G4double ehigh= DBL_MAX);
53 73
54 ~G4HadronElastic() override; << 74 virtual ~G4HadronElastic();
55 75
56 // implementation of the G4HadronicInteracti << 76 G4HadFinalState * ApplyYourself(const G4HadProjectile & aTrack,
57 G4HadFinalState* ApplyYourself(const G4HadPr << 77 G4Nucleus & targetNucleus);
58 G4Nucleus & targetNucleus) override; <<
59 78
60 // sample momentum transfer using Lab. momen << 79 G4VQCrossSection* GetCS();
61 G4double SampleInvariantT(const G4ParticleDe <<
62 G4int Z, G4int A) override; <<
63 <<
64 G4double GetSlopeCof( const G4int pdg ); <<
65 80
66 inline void SetLowestEnergyLimit(G4double va << 81 G4ElasticHadrNucleusHE* GetHElastic();
67 82
68 inline G4double LowestEnergyLimit() const; << 83 void SetIonKinEnergyLimit(G4double value);
69 84
70 inline G4double ComputeMomentumCMS(const G4P << 85 void SetPlabLow(G4double value);
71 G4double plab, G4int Z, G4int A); <<
72 <<
73 void ModelDescription(std::ostream&) const o <<
74 86
75 protected: << 87 void SetKinEnergyLow(G4double value);
76 88
77 G4double pLocalTmax; << 89 void SetKinEnergyHigh(G4double value);
78 G4int secID; // Creator model ID for the re <<
79 90
80 private: << 91 G4double SampleT(G4double p, G4double m1, G4double m2, G4double A);
81 92
82 G4ParticleDefinition* theProton; << 93 private:
83 G4ParticleDefinition* theNeutron; <<
84 G4ParticleDefinition* theDeuteron; <<
85 G4ParticleDefinition* theAlpha; <<
86 94
87 G4double lowestEnergyLimit; << 95 G4int Rtmi(G4double* x, G4double xli, G4double xri, G4double eps,
88 G4int nwarn; << 96 G4int iend,
>> 97 G4double aa, G4double bb, G4double cc, G4double dd,
>> 98 G4double rr);
>> 99
>> 100 G4double Fctcos(G4double t,
>> 101 G4double aa, G4double bb, G4double cc, G4double dd,
>> 102 G4double rr);
>> 103
>> 104 void Defs1(G4double p, G4double px, G4double py, G4double pz,
>> 105 G4double pxinc, G4double pyinc, G4double pzinc,
>> 106 G4double* pxnew, G4double* pynew, G4double* pznew);
>> 107
>> 108 G4VQCrossSection* qCManager;
>> 109 G4ElasticHadrNucleusHE* hElastic;
>> 110
>> 111 const G4ParticleDefinition* theProton;
>> 112 const G4ParticleDefinition* theNeutron;
>> 113 const G4ParticleDefinition* theDeuteron;
>> 114 const G4ParticleDefinition* theAlpha;
>> 115 const G4ParticleDefinition* thePionPlus;
>> 116 const G4ParticleDefinition* thePionMinus;
>> 117
>> 118 G4double ekinIon;
>> 119 G4double ekinlow;
>> 120 G4double ekinhigh;
>> 121 G4double ekinpi;
>> 122 G4double plablow;
89 }; 123 };
90 124
91 inline void G4HadronElastic::SetLowestEnergyLi << 125 inline void G4HadronElastic::SetIonKinEnergyLimit(G4double value)
>> 126 {
>> 127 ekinIon = value;
>> 128 }
>> 129
>> 130 inline void G4HadronElastic::SetPlabLow(G4double value)
92 { 131 {
93 lowestEnergyLimit = value; << 132 plablow = value;
94 } 133 }
95 134
96 inline G4double G4HadronElastic::LowestEnergyL << 135 inline void G4HadronElastic::SetKinEnergyLow(G4double value)
97 { 136 {
98 return lowestEnergyLimit; << 137 ekinlow = value;
99 } 138 }
100 139
101 inline G4double << 140 inline void G4HadronElastic::SetKinEnergyHigh(G4double value)
102 G4HadronElastic::ComputeMomentumCMS(const G4Pa << 141 {
103 G4double plab, G4int Z, G4int A) << 142 ekinhigh = value;
104 { <<
105 G4double m1 = p->GetPDGMass(); <<
106 G4double m12= m1*m1; <<
107 G4double mass2 = G4NucleiProperties::GetNucl <<
108 return plab*mass2/std::sqrt(m12 + mass2*mass <<
109 } 143 }
110 144
111 #endif 145 #endif
112 146