source: trunk/source/processes/hadronic/cross_sections/include/G4GlauberGribovCrossSection.hh @ 1055

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25//
26// Calculation of the total, elastic and inelastic cross-sections
27// based on parametrisations of (proton, pion, kaon, photon) nucleon
28// cross-sections and the hadron-nucleous cross-section model in
29// the framework of Glauber-Gribov approach
30//
31//
32//
33//
34//
35// 17.07.06 V. Grichine - first implementation
36// 22.01.07 V.Ivanchenko - add interface with Z and A
37// 05.03.07 V.Ivanchenko - add IfZAApplicable
38// 06.03.07 V.Ivanchenko - add GetElasticGlauberGribov and GetElasticGlauberGribov
39//                         for combined dataset
40//
41//
42
43#ifndef G4GlauberGribovCrossSection_h
44#define G4GlauberGribovCrossSection_h
45
46#include "globals.hh"
47#include "G4Proton.hh"
48#include "G4Nucleus.hh"
49
50#include "G4VCrossSectionDataSet.hh"
51
52class G4ParticleDefinition;
53
54class G4GlauberGribovCrossSection : public G4VCrossSectionDataSet
55{
56public:
57
58  G4GlauberGribovCrossSection ();
59  virtual ~G4GlauberGribovCrossSection ();
60   
61  virtual
62  G4bool IsApplicable(const G4DynamicParticle* aDP, const G4Element*);
63
64  virtual
65  G4bool IsZAApplicable(const G4DynamicParticle* aDP, G4double Z, G4double A);
66
67  virtual
68  G4double GetCrossSection(const G4DynamicParticle*, 
69                           const G4Element*, 
70                           G4double aTemperature = 0.0);
71
72  virtual
73  G4double GetIsoZACrossSection(const G4DynamicParticle*, 
74                                G4double Z, G4double A, 
75                                G4double aTemperature = 0.0);
76
77  virtual
78  void BuildPhysicsTable(const G4ParticleDefinition&)
79  {}
80
81  virtual
82  void DumpPhysicsTable(const G4ParticleDefinition&) 
83  {G4cout << "G4GlauberGribovCrossSection: uses Glauber-Gribov formula"<<G4endl;}
84
85  G4double GetRatioSD(const G4DynamicParticle*, G4double At, G4double Zt);
86  G4double GetRatioQE(const G4DynamicParticle*, G4double At, G4double Zt);
87
88  G4double GetHadronNucleonXsc(const G4DynamicParticle*, const G4Element*);
89  G4double GetHadronNucleonXsc(const G4DynamicParticle*, G4double At, G4double Zt);
90
91  G4double GetHadronNucleonXscPDG(const G4DynamicParticle*, const G4Element*);
92  G4double GetHadronNucleonXscPDG(const G4DynamicParticle*, G4double At, G4double Zt);
93
94  G4double GetHadronNucleonXscNS(const G4DynamicParticle*, const G4Element*);
95  G4double GetHadronNucleonXscNS(const G4DynamicParticle*,G4double At, G4double Zt);
96
97  G4double GetHNinelasticXsc(const G4DynamicParticle*, const G4Element*);
98  G4double GetHNinelasticXsc(const G4DynamicParticle*, G4double At, G4double Zt);
99  G4double GetHNinelasticXscVU(const G4DynamicParticle*, G4double At, G4double Zt);
100  G4double GetHadronNucleonXscMK(const G4DynamicParticle* aParticle, 
101                                 const G4ParticleDefinition* nucleon  ); 
102
103  G4double CalculateEcmValue ( const G4double , const G4double , const G4double ); 
104
105  G4double CalcMandelstamS( const G4double , const G4double , const G4double );
106
107  G4double GetElasticGlauberGribov(const G4DynamicParticle*,G4double Z, G4double A);
108  G4double GetInelasticGlauberGribov(const G4DynamicParticle*,G4double Z, G4double A);
109
110  G4double GetTotalGlauberGribovXsc()    { return fTotalXsc;     }; 
111  G4double GetElasticGlauberGribovXsc()  { return fElasticXsc;   }; 
112  G4double GetInelasticGlauberGribovXsc(){ return fInelasticXsc; }; 
113  G4double GetProductionGlauberGribovXsc(){ return fProductionXsc; }; 
114  G4double GetDiffractionGlauberGribovXsc(){ return fDiffractionXsc; }; 
115  G4double GetRadiusConst()              { return fRadiusConst;  }; 
116
117  G4double GetNucleusRadius(const G4DynamicParticle*, const G4Element*);
118  G4double GetNucleusRadius(G4double At);
119
120  inline G4double GetParticleBarCorTot( const G4ParticleDefinition* theParticle, G4double Z );
121  inline G4double GetParticleBarCorIn( const G4ParticleDefinition* theParticle, G4double Z );
122
123  inline void SetEnergyLowerLimit(G4double E ){fLowerLimit=E;};
124
125private:
126
127  const G4double fUpperLimit;
128  G4double fLowerLimit; 
129  const G4double fRadiusConst;
130
131  static const G4double fNeutronBarCorrectionTot[93];
132  static const G4double fNeutronBarCorrectionIn[93];
133
134  static const G4double fProtonBarCorrectionTot[93];
135  static const G4double fProtonBarCorrectionIn[93];
136
137  static const G4double fPionPlusBarCorrectionTot[93];
138  static const G4double fPionPlusBarCorrectionIn[93];
139
140  static const G4double fPionMinusBarCorrectionTot[93];
141  static const G4double fPionMinusBarCorrectionIn[93];
142
143  G4double fTotalXsc, fElasticXsc, fInelasticXsc, fProductionXsc, fDiffractionXsc;
144  G4double fHadronNucleonXsc;
145 
146  G4ParticleDefinition* theGamma;
147  G4ParticleDefinition* theProton;
148  G4ParticleDefinition* theNeutron;
149  G4ParticleDefinition* theAProton;
150  G4ParticleDefinition* theANeutron;
151  G4ParticleDefinition* thePiPlus;
152  G4ParticleDefinition* thePiMinus;
153  G4ParticleDefinition* thePiZero;
154  G4ParticleDefinition* theKPlus;
155  G4ParticleDefinition* theKMinus;
156  G4ParticleDefinition* theK0S;
157  G4ParticleDefinition* theK0L;
158  G4ParticleDefinition* theL;
159  G4ParticleDefinition* theAntiL;
160  G4ParticleDefinition* theSPlus;
161  G4ParticleDefinition* theASPlus;
162  G4ParticleDefinition* theSMinus;
163  G4ParticleDefinition* theASMinus;
164  G4ParticleDefinition* theS0;
165  G4ParticleDefinition* theAS0;
166  G4ParticleDefinition* theXiMinus;
167  G4ParticleDefinition* theXi0;
168  G4ParticleDefinition* theAXiMinus;
169  G4ParticleDefinition* theAXi0;
170  G4ParticleDefinition* theOmega;
171  G4ParticleDefinition* theAOmega;
172  G4ParticleDefinition* theD;
173  G4ParticleDefinition* theT;
174  G4ParticleDefinition* theA;
175  G4ParticleDefinition* theHe3;
176
177};
178
179////////////////////////////////////////////////////////////////
180//
181// Inlines
182
183inline
184G4double G4GlauberGribovCrossSection::GetElasticGlauberGribov(
185         const G4DynamicParticle* dp, G4double Z, G4double A)
186{
187  GetIsoZACrossSection(dp, Z, A);
188  return fElasticXsc;
189}
190
191/////////////////////////////////////////////////////////////////
192
193inline
194G4double G4GlauberGribovCrossSection::GetInelasticGlauberGribov(
195         const G4DynamicParticle* dp, G4double Z, G4double A)
196{
197  GetIsoZACrossSection(dp, Z, A);
198  return fInelasticXsc;
199}
200
201/////////////////////////////////////////////////////////////////////
202//
203// return correction at Tkin = 90*GeV GG -> Barashenkov tot xsc, when it
204// is available, else return 1.0
205
206
207inline G4double G4GlauberGribovCrossSection::GetParticleBarCorTot( 
208                          const G4ParticleDefinition* theParticle, G4double Z )
209{
210  G4int iZ = G4int(Z);
211
212  if( iZ >= 2 && iZ <= 92)
213  {
214    if(      theParticle == theProton ) return fProtonBarCorrectionTot[iZ]; 
215    else if( theParticle == theNeutron) return fNeutronBarCorrectionTot[iZ]; 
216    else if( theParticle == thePiPlus ) return fPionPlusBarCorrectionTot[iZ];
217    else if( theParticle == thePiMinus) return fPionMinusBarCorrectionTot[iZ];
218    else return 1.0;
219  }
220  else return 1.0;
221}
222
223/////////////////////////////////////////////////////////////////////
224//
225// return correction at Tkin = 90*GeV GG -> Barashenkov in xsc, when it
226// is available, else return 1.0
227
228
229inline G4double G4GlauberGribovCrossSection::GetParticleBarCorIn( 
230                          const G4ParticleDefinition* theParticle, G4double Z )
231{
232  G4int iZ = G4int(Z);
233
234  if( iZ >= 2 && iZ <= 92)
235  {
236    if(      theParticle == theProton ) return fProtonBarCorrectionIn[iZ]; 
237    else if( theParticle == theNeutron) return fNeutronBarCorrectionIn[iZ]; 
238    else if( theParticle == thePiPlus ) return fPionPlusBarCorrectionIn[iZ];
239    else if( theParticle == thePiMinus) return fPionMinusBarCorrectionIn[iZ];
240    else return 1.0;
241  }
242  else return 1.0;
243}
244
245#endif
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