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Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 26 // 26 // 27 // Geant4 Header : G4HadronElastic << 27 // $Id: G4HadronElastic.hh,v 1.32 2010-01-13 15:42:06 mkossov Exp $ >> 28 // GEANT4 tag $Name: geant4-09-04-patch-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 // 25-Jul-06 V.Ivanchenko add 19 MeV low energy, below which S-wave is sampled >> 39 // 20-Oct-06 V.Ivanchenko default ekinhigh = GeV (use HE model) >> 40 // 16-Nov-06 V.Ivanchenko remove definition >> 41 // 16-Nov-06 V.Ivanchenko default ekinhigh = 0.4*GeV >> 42 // 16-Nov-06 V.Ivanchenko cleanup and rename Set methods and variables >> 43 // 28-Mar-07 V.Ivanchenko add NIST manager >> 44 // 11-May-07 V.Ivanchenko remove unused method Defs1 >> 45 // 13.01.10: M.Kosov: Use G4Q(Pr/Neut)ElasticCS instead of G4QElasticCS >> 46 // 32 // 47 // 33 // Class Description 48 // Class Description 34 // Default model for elastic scattering; GHEIS << 49 // Final state production model for hadron nuclear elastic scattering; 35 // Class Description - End 50 // Class Description - End 36 51 >> 52 37 #ifndef G4HadronElastic_h 53 #ifndef G4HadronElastic_h 38 #define G4HadronElastic_h 1 54 #define G4HadronElastic_h 1 39 55 40 #include "globals.hh" 56 #include "globals.hh" 41 #include "G4HadronicInteraction.hh" 57 #include "G4HadronicInteraction.hh" 42 #include "G4HadProjectile.hh" 58 #include "G4HadProjectile.hh" 43 #include "G4Nucleus.hh" 59 #include "G4Nucleus.hh" 44 #include "G4NucleiProperties.hh" << 60 >> 61 enum G4ElasticGenerator >> 62 { >> 63 fLElastic = 0, >> 64 fHElastic, >> 65 fQElastic, >> 66 fSWave >> 67 }; 45 68 46 class G4ParticleDefinition; 69 class G4ParticleDefinition; >> 70 class G4VQCrossSection; >> 71 class G4ElasticHadrNucleusHE; 47 72 48 class G4HadronElastic : public G4HadronicInter 73 class G4HadronElastic : public G4HadronicInteraction 49 { 74 { 50 public: 75 public: 51 76 52 explicit G4HadronElastic(const G4String& nam << 77 G4HadronElastic(G4ElasticHadrNucleusHE* HModel = 0); 53 78 54 ~G4HadronElastic() override; << 79 virtual ~G4HadronElastic(); 55 80 56 // implementation of the G4HadronicInteracti << 81 G4HadFinalState * ApplyYourself(const G4HadProjectile & aTrack, 57 G4HadFinalState* ApplyYourself(const G4HadPr << 82 G4Nucleus & targetNucleus); 58 G4Nucleus & targetNucleus) override; << 59 83 60 // sample momentum transfer using Lab. momen << 84 G4VQCrossSection* GetCS(); 61 G4double SampleInvariantT(const G4ParticleDe << 62 G4int Z, G4int A) override; << 63 << 64 G4double GetSlopeCof( const G4int pdg ); << 65 85 66 inline void SetLowestEnergyLimit(G4double va << 86 G4ElasticHadrNucleusHE* GetHElastic(); 67 87 68 inline G4double LowestEnergyLimit() const; << 88 void SetPlabLowLimit(G4double value); 69 89 70 inline G4double ComputeMomentumCMS(const G4P << 90 void SetHEModelLowLimit(G4double value); 71 G4double plab, G4int Z, G4int A); << 72 << 73 void ModelDescription(std::ostream&) const o << 74 91 75 protected: << 92 void SetQModelLowLimit(G4double value); 76 93 77 G4double pLocalTmax; << 94 void SetLowestEnergyLimit(G4double value); 78 G4int secID; // Creator model ID for the re << 95 >> 96 void SetRecoilKinEnergyLimit(G4double value); >> 97 >> 98 G4double SampleT(G4double p, G4double m1, G4double m2, G4double A); 79 99 80 private: 100 private: 81 101 >> 102 G4int Rtmi(G4double* x, G4double xli, G4double xri, G4double eps, >> 103 G4int iend, >> 104 G4double aa, G4double bb, G4double cc, G4double dd, >> 105 G4double rr); >> 106 >> 107 G4double Fctcos(G4double t, >> 108 G4double aa, G4double bb, G4double cc, G4double dd, >> 109 G4double rr); >> 110 >> 111 static G4VQCrossSection* pCManager; >> 112 static G4VQCrossSection* nCManager; >> 113 >> 114 G4ElasticHadrNucleusHE* hElastic; >> 115 82 G4ParticleDefinition* theProton; 116 G4ParticleDefinition* theProton; 83 G4ParticleDefinition* theNeutron; 117 G4ParticleDefinition* theNeutron; 84 G4ParticleDefinition* theDeuteron; 118 G4ParticleDefinition* theDeuteron; 85 G4ParticleDefinition* theAlpha; 119 G4ParticleDefinition* theAlpha; >> 120 const G4ParticleDefinition* thePionPlus; >> 121 const G4ParticleDefinition* thePionMinus; >> 122 >> 123 G4double lowEnergyRecoilLimit; >> 124 G4double lowEnergyLimitHE; >> 125 G4double lowEnergyLimitQ; >> 126 G4double lowestEnergyLimit; >> 127 G4double plabLowLimit; 86 128 87 G4double lowestEnergyLimit; << 88 G4int nwarn; << 89 }; 129 }; 90 130 91 inline void G4HadronElastic::SetLowestEnergyLi << 131 inline void G4HadronElastic::SetRecoilKinEnergyLimit(G4double value) 92 { 132 { 93 lowestEnergyLimit = value; << 133 lowEnergyRecoilLimit = value; >> 134 } >> 135 >> 136 inline void G4HadronElastic::SetPlabLowLimit(G4double value) >> 137 { >> 138 plabLowLimit = value; 94 } 139 } 95 140 96 inline G4double G4HadronElastic::LowestEnergyL << 141 inline void G4HadronElastic::SetHEModelLowLimit(G4double value) 97 { 142 { 98 return lowestEnergyLimit; << 143 lowEnergyLimitHE = value; 99 } 144 } 100 145 101 inline G4double << 146 inline void G4HadronElastic::SetQModelLowLimit(G4double value) 102 G4HadronElastic::ComputeMomentumCMS(const G4Pa << 147 { 103 G4double plab, G4int Z, G4int A) << 148 lowEnergyLimitQ = value; 104 { << 149 } 105 G4double m1 = p->GetPDGMass(); << 150 106 G4double m12= m1*m1; << 151 inline void G4HadronElastic::SetLowestEnergyLimit(G4double value) 107 G4double mass2 = G4NucleiProperties::GetNucl << 152 { 108 return plab*mass2/std::sqrt(m12 + mass2*mass << 153 lowestEnergyLimit = value; 109 } 154 } 110 155 111 #endif 156 #endif 112 157