| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. 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 // $Id: G4HadronElastic.hh,v 1.4 2009-09-23 14:37:44 vnivanch Exp $
>> 28 // GEANT4 tag $Name: not supported by cvs2svn $
>> 29 //
27 // Geant4 Header : G4HadronElastic 30 // Geant4 Header : G4HadronElastic
28 // 31 //
29 // Author : V.Ivanchenko 29 June 2009 (redesig 32 // Author : V.Ivanchenko 29 June 2009 (redesign old elastic model)
30 // 33 //
31 // Modified: 34 // Modified:
32 // 35 //
33 // Class Description 36 // Class Description
34 // Default model for elastic scattering; GHEIS 37 // Default model for elastic scattering; GHEISHA algorithm is used
35 // Class Description - End 38 // Class Description - End
36 39
37 #ifndef G4HadronElastic_h 40 #ifndef G4HadronElastic_h
38 #define G4HadronElastic_h 1 41 #define G4HadronElastic_h 1
39 42
40 #include "globals.hh" 43 #include "globals.hh"
41 #include "G4HadronicInteraction.hh" 44 #include "G4HadronicInteraction.hh"
42 #include "G4HadProjectile.hh" 45 #include "G4HadProjectile.hh"
43 #include "G4Nucleus.hh" 46 #include "G4Nucleus.hh"
44 #include "G4NucleiProperties.hh" 47 #include "G4NucleiProperties.hh"
45 48
46 class G4ParticleDefinition; 49 class G4ParticleDefinition;
47 50
48 class G4HadronElastic : public G4HadronicInter 51 class G4HadronElastic : public G4HadronicInteraction
49 { 52 {
50 public: 53 public:
51 54
52 explicit G4HadronElastic(const G4String& nam << 55 G4HadronElastic(const G4String& name = "hElasticLHEP");
53 56
54 ~G4HadronElastic() override; << 57 virtual ~G4HadronElastic();
55 58
56 // implementation of the G4HadronicInteracti 59 // implementation of the G4HadronicInteraction interface
57 G4HadFinalState* ApplyYourself(const G4HadPr << 60 virtual G4HadFinalState * ApplyYourself(const G4HadProjectile & aTrack,
58 G4Nucleus & targetNucleus) override; << 61 G4Nucleus & targetNucleus);
59 62
60 // sample momentum transfer using Lab. momen 63 // sample momentum transfer using Lab. momentum
61 G4double SampleInvariantT(const G4ParticleDe << 64 virtual G4double SampleInvariantT(const G4ParticleDefinition* p,
62 G4int Z, G4int A) override; << 65 G4double plab,
63 << 66 G4int Z, G4int A);
64 G4double GetSlopeCof( const G4int pdg ); <<
65 67
66 inline void SetLowestEnergyLimit(G4double va 68 inline void SetLowestEnergyLimit(G4double value);
67 69
68 inline G4double LowestEnergyLimit() const; 70 inline G4double LowestEnergyLimit() const;
69 71
70 inline G4double ComputeMomentumCMS(const G4P 72 inline G4double ComputeMomentumCMS(const G4ParticleDefinition* p,
71 G4double plab, G4int Z, G4int A); 73 G4double plab, G4int Z, G4int A);
72 74
73 void ModelDescription(std::ostream&) const o << 75 virtual void Description() const;
74 <<
75 protected: <<
76 <<
77 G4double pLocalTmax; <<
78 G4int secID; // Creator model ID for the re <<
79 76
80 private: 77 private:
81 78
82 G4ParticleDefinition* theProton; 79 G4ParticleDefinition* theProton;
83 G4ParticleDefinition* theNeutron; 80 G4ParticleDefinition* theNeutron;
84 G4ParticleDefinition* theDeuteron; 81 G4ParticleDefinition* theDeuteron;
85 G4ParticleDefinition* theAlpha; 82 G4ParticleDefinition* theAlpha;
86 83
87 G4double lowestEnergyLimit; << 84 G4double lowestEnergyLimit;
88 G4int nwarn; << 85
89 }; 86 };
90 87
91 inline void G4HadronElastic::SetLowestEnergyLi 88 inline void G4HadronElastic::SetLowestEnergyLimit(G4double value)
92 { 89 {
93 lowestEnergyLimit = value; 90 lowestEnergyLimit = value;
94 } 91 }
95 92
96 inline G4double G4HadronElastic::LowestEnergyL 93 inline G4double G4HadronElastic::LowestEnergyLimit() const
97 { 94 {
98 return lowestEnergyLimit; 95 return lowestEnergyLimit;
99 } 96 }
100 97
101 inline G4double 98 inline G4double
102 G4HadronElastic::ComputeMomentumCMS(const G4Pa 99 G4HadronElastic::ComputeMomentumCMS(const G4ParticleDefinition* p,
103 G4double plab, G4int Z, G4int A) << 100 G4double plab, G4int Z, G4int A)
104 { 101 {
105 G4double m1 = p->GetPDGMass(); 102 G4double m1 = p->GetPDGMass();
106 G4double m12= m1*m1; 103 G4double m12= m1*m1;
107 G4double mass2 = G4NucleiProperties::GetNucl << 104 G4double m2 = G4NucleiProperties::GetNuclearMass(A, Z);
108 return plab*mass2/std::sqrt(m12 + mass2*mass << 105 return plab*m2/std::sqrt(m12 + m2*m2 + 2.*m2*std::sqrt(m12 + plab*plab));
109 } 106 }
110 107
111 #endif 108 #endif
112 109