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Geant4/processes/hadronic/models/coherent_elastic/include/G4HadronElastic.hh

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Differences between /processes/hadronic/models/coherent_elastic/include/G4HadronElastic.hh (Version 11.3.0) and /processes/hadronic/models/coherent_elastic/include/G4HadronElastic.hh (Version 11.1.3)


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 25 //                                                 25 //
 26 //                                                 26 //
 27 // Geant4 Header : G4HadronElastic                 27 // Geant4 Header : G4HadronElastic
 28 //                                                 28 //
 29 // Author : V.Ivanchenko 29 June 2009 (redesig     29 // Author : V.Ivanchenko 29 June 2009 (redesign old elastic model)
 30 //                                                 30 //  
 31 // Modified:                                       31 // Modified:
 32 //                                                 32 //
 33 // Class Description                               33 // Class Description
 34 // Default model for elastic scattering; GHEIS     34 // Default model for elastic scattering; GHEISHA algorithm is used 
 35 // Class Description - End                         35 // Class Description - End
 36                                                    36 
 37 #ifndef G4HadronElastic_h                          37 #ifndef G4HadronElastic_h
 38 #define G4HadronElastic_h 1                        38 #define G4HadronElastic_h 1
 39                                                    39  
 40 #include "globals.hh"                              40 #include "globals.hh"
 41 #include "G4HadronicInteraction.hh"                41 #include "G4HadronicInteraction.hh"
 42 #include "G4HadProjectile.hh"                      42 #include "G4HadProjectile.hh"
 43 #include "G4Nucleus.hh"                            43 #include "G4Nucleus.hh"
 44 #include "G4NucleiProperties.hh"                   44 #include "G4NucleiProperties.hh"
 45                                                    45 
 46 class G4ParticleDefinition;                        46 class G4ParticleDefinition;
 47                                                    47 
 48 class G4HadronElastic : public G4HadronicInter     48 class G4HadronElastic : public G4HadronicInteraction
 49 {                                                  49 {
 50 public:                                            50 public:
 51                                                    51 
 52   explicit G4HadronElastic(const G4String& nam     52   explicit G4HadronElastic(const G4String& name = "hElasticLHEP");
 53                                                    53 
 54   ~G4HadronElastic() override;                     54   ~G4HadronElastic() override;
 55                                                    55  
 56   // implementation of the G4HadronicInteracti     56   // implementation of the G4HadronicInteraction interface
 57   G4HadFinalState* ApplyYourself(const G4HadPr     57   G4HadFinalState* ApplyYourself(const G4HadProjectile & aTrack, 
 58          G4Nucleus & targetNucleus) override;      58          G4Nucleus & targetNucleus) override;
 59                                                    59 
 60   // sample momentum transfer using Lab. momen     60   // sample momentum transfer using Lab. momentum
 61   G4double SampleInvariantT(const G4ParticleDe     61   G4double SampleInvariantT(const G4ParticleDefinition* p, G4double plab,
 62           G4int Z, G4int A) override;              62           G4int Z, G4int A) override;
 63                                                    63   
 64   G4double GetSlopeCof( const G4int pdg );         64   G4double GetSlopeCof( const G4int pdg );
 65                                                    65 
 66   inline void SetLowestEnergyLimit(G4double va     66   inline void SetLowestEnergyLimit(G4double value);
 67                                                    67 
 68   inline G4double LowestEnergyLimit() const;       68   inline G4double LowestEnergyLimit() const;
 69                                                    69 
 70   inline G4double ComputeMomentumCMS(const G4P     70   inline G4double ComputeMomentumCMS(const G4ParticleDefinition* p, 
 71              G4double plab, G4int Z, G4int A);     71              G4double plab, G4int Z, G4int A);
 72                                                    72   
 73   void ModelDescription(std::ostream&) const o     73   void ModelDescription(std::ostream&) const override;
 74                                                    74 
 75 protected:                                         75 protected:
 76                                                    76 
 77   G4double pLocalTmax;                             77   G4double pLocalTmax;
 78   G4int secID;  // Creator model ID for the re     78   G4int secID;  // Creator model ID for the recoil
 79                                                    79 
 80 private:                                           80 private:
 81                                                    81 
 82   G4ParticleDefinition* theProton;                 82   G4ParticleDefinition* theProton;
 83   G4ParticleDefinition* theNeutron;                83   G4ParticleDefinition* theNeutron;
 84   G4ParticleDefinition* theDeuteron;               84   G4ParticleDefinition* theDeuteron;
 85   G4ParticleDefinition* theAlpha;                  85   G4ParticleDefinition* theAlpha;
 86                                                    86 
 87   G4double lowestEnergyLimit;                      87   G4double lowestEnergyLimit;
 88   G4int nwarn;                                     88   G4int nwarn;
 89 };                                                 89 };
 90                                                    90 
 91 inline void G4HadronElastic::SetLowestEnergyLi     91 inline void G4HadronElastic::SetLowestEnergyLimit(G4double value)
 92 {                                                  92 {
 93   lowestEnergyLimit = value;                       93   lowestEnergyLimit = value;
 94 }                                                  94 }
 95                                                    95 
 96 inline G4double G4HadronElastic::LowestEnergyL     96 inline G4double G4HadronElastic::LowestEnergyLimit() const
 97 {                                                  97 {
 98   return lowestEnergyLimit;                        98   return lowestEnergyLimit;
 99 }                                                  99 }
100                                                   100 
101 inline G4double                                   101 inline G4double
102 G4HadronElastic::ComputeMomentumCMS(const G4Pa    102 G4HadronElastic::ComputeMomentumCMS(const G4ParticleDefinition* p, 
103             G4double plab, G4int Z, G4int A)      103             G4double plab, G4int Z, G4int A)
104 {                                                 104 {
105   G4double m1 = p->GetPDGMass();                  105   G4double m1 = p->GetPDGMass();
106   G4double m12= m1*m1;                            106   G4double m12= m1*m1;
107   G4double mass2 = G4NucleiProperties::GetNucl    107   G4double mass2 = G4NucleiProperties::GetNuclearMass(A, Z);
108   return plab*mass2/std::sqrt(m12 + mass2*mass    108   return plab*mass2/std::sqrt(m12 + mass2*mass2 + 2.*mass2*std::sqrt(m12 + plab*plab));
109 }                                                 109 }
110                                                   110 
111 #endif                                            111 #endif
112                                                   112