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26 // 26 //
>> 27 // $Id: G4FTFModel.hh 74627 2013-10-17 07:04:38Z gcosmo $
>> 28 // GEANT4 tag $Name: $
27 // 29 //
28 // Class Description 30 // Class Description
29 // Final state production code for hadron inel 31 // Final state production code for hadron inelastic scattering above 3 GeV
30 // based on the modeling ansatz used in FRITIO 32 // based on the modeling ansatz used in FRITIOF.
31 // To be used in your physics list in case you 33 // To be used in your physics list in case you need this physics.
32 // In this case you want to register an object 34 // In this case you want to register an object of this class with an object
33 // of G4TheoFSGenerator. 35 // of G4TheoFSGenerator.
34 // Class Description - End 36 // Class Description - End
35 37
36 #ifndef G4FTFModel_h 38 #ifndef G4FTFModel_h
37 #define G4FTFModel_h 1 39 #define G4FTFModel_h 1
38 40
39 // ------------------------------------------- 41 // ------------------------------------------------------------
40 // GEANT 4 class header file 42 // GEANT 4 class header file
41 // 43 //
42 // ---------------- G4FTFModel ---------- 44 // ---------------- G4FTFModel ----------------
43 // by Gunter Folger, May 1998. 45 // by Gunter Folger, May 1998.
44 // class implementing the excitation in 46 // class implementing the excitation in the FTF Parton String Model
45 // ------------------------------------------- 47 // ------------------------------------------------------------
46 48
47 #include "G4VPartonStringModel.hh" 49 #include "G4VPartonStringModel.hh"
48 #include "G4FTFParameters.hh" 50 #include "G4FTFParameters.hh"
49 #include "G4FTFParticipants.hh" 51 #include "G4FTFParticipants.hh"
50 #include "G4ExcitedStringVector.hh" 52 #include "G4ExcitedStringVector.hh"
51 #include "G4DiffractiveExcitation.hh" 53 #include "G4DiffractiveExcitation.hh"
52 #include "G4ElasticHNScattering.hh" 54 #include "G4ElasticHNScattering.hh"
53 #include "G4FTFAnnihilation.hh" 55 #include "G4FTFAnnihilation.hh"
54 #include "G4Proton.hh" 56 #include "G4Proton.hh"
55 #include "G4Neutron.hh" 57 #include "G4Neutron.hh"
56 58
57 class G4VSplitableHadron; 59 class G4VSplitableHadron;
58 class G4ExcitedString; 60 class G4ExcitedString;
59 61
60 62
61 class G4FTFModel : public G4VPartonStringModel 63 class G4FTFModel : public G4VPartonStringModel {
>> 64
62 public: 65 public:
63 G4FTFModel( const G4String& modelName = "F 66 G4FTFModel( const G4String& modelName = "FTF" );
64 ~G4FTFModel() override; << 67 ~G4FTFModel();
65 68
>> 69 void Init( const G4Nucleus& aNucleus, const G4DynamicParticle& aProjectile );
>> 70 G4ExcitedStringVector* GetStrings();
>> 71 G4V3DNucleus* GetWoundedNucleus() const;
66 G4V3DNucleus* GetTargetNucleus() const; 72 G4V3DNucleus* GetTargetNucleus() const;
67 G4V3DNucleus* GetWoundedNucleus() const ov << 73 G4V3DNucleus* GetProjectileNucleus() const;
68 G4V3DNucleus* GetProjectileNucleus() const <<
69 <<
70 void ModelDescription( std::ostream& ) con <<
71 74
72 G4FTFModel( const G4FTFModel& right ) = de << 75 virtual void ModelDescription( std::ostream& ) const;
73 const G4FTFModel& operator=( const G4FTFMo <<
74 G4bool operator==( const G4FTFModel& right <<
75 G4bool operator!=( const G4FTFModel& right <<
76 <<
77 void SetImpactParameter( const G4double b_ <<
78 G4double GetImpactParameter() const; <<
79 void SetBminBmax( const G4double bmin_valu <<
80 G4bool SampleBinInterval() const; <<
81 G4double GetBmin() const; <<
82 G4double GetBmax() const; <<
83 G4int GetNumberOfProjectileSpectatorNucleo <<
84 G4int GetNumberOfTargetSpectatorNucleons() <<
85 G4int GetNumberOfNNcollisions() const; <<
86 <<
87 protected: <<
88 void Init( const G4Nucleus& aNucleus, <<
89 const G4DynamicParticle& aProje <<
90 G4ExcitedStringVector* GetStrings() overri <<
91 76
92 private: 77 private:
>> 78 G4FTFModel( const G4FTFModel& right );
>> 79 const G4FTFModel& operator=( const G4FTFModel& right );
>> 80 int operator==( const G4FTFModel& right ) const;
>> 81 int operator!=( const G4FTFModel& right ) const;
>> 82
93 void StoreInvolvedNucleon(); 83 void StoreInvolvedNucleon();
94 void ReggeonCascade(); 84 void ReggeonCascade();
95 G4bool PutOnMassShell(); 85 G4bool PutOnMassShell();
96 G4bool ExciteParticipants(); 86 G4bool ExciteParticipants();
97 void BuildStrings( G4ExcitedStringVector* << 87 G4ExcitedStringVector* BuildStrings();
98 void GetResiduals(); << 88 void GetResiduals();
99 <<
100 G4bool AdjustNucleons( G4VSplitableHadron* 89 G4bool AdjustNucleons( G4VSplitableHadron* SelectedAntiBaryon,
101 G4Nucleon* 90 G4Nucleon* ProjectileNucleon,
102 G4VSplitableHadron* 91 G4VSplitableHadron* SelectedTargetNucleon,
103 G4Nucleon* 92 G4Nucleon* TargetNucleon,
104 G4bool 93 G4bool Annihilation );
105 // The "AdjustNucleons" method uses the fo <<
106 struct CommonVariables { <<
107 G4int TResidualMassNumber = 0, TResidual <<
108 PResidualCharge = 0, PResidualLambdaNu <<
109 G4double SqrtS = 0.0, S = 0.0, SumMasses <<
110 TResidualExcitationEnergy = 0.0, TResi <<
111 PResidualExcitationEnergy = 0.0, PResi <<
112 Mprojectile = 0.0, M2projectile = 0.0, <<
113 WplusProjectile = 0.0, <<
114 Mtarget = 0.0, M2target = 0.0, Pztarge <<
115 Mt2targetNucleon = 0.0, PztargetNucleo <<
116 Mt2projectileNucleon = 0.0, Pzprojecti <<
117 YtargetNucleus = 0.0, YprojectileNucle <<
118 XminusNucleon = 0.0, XplusNucleon = 0. <<
119 G4ThreeVector PtNucleon, PtResidual, PtN <<
120 G4LorentzVector Psum, Pprojectile, Ptmp, <<
121 G4LorentzRotation toCms, toLab; <<
122 }; <<
123 G4int AdjustNucleonsAlgorithm_beforeSampli <<
124 <<
125 <<
126 <<
127 <<
128 <<
129 <<
130 G4bool AdjustNucleonsAlgorithm_Sampling( <<
131 <<
132 void AdjustNucleonsAlgorithm_afterSampling <<
133 <<
134 <<
135 <<
136 <<
137 G4ThreeVector GaussianPt( G4double Average 94 G4ThreeVector GaussianPt( G4double AveragePt2, G4double maxPtSquare ) const;
138 << 95
139 G4bool ComputeNucleusProperties( G4V3DNucl <<
140 G4Lorentz <<
141 G4double& <<
142 G4int& re <<
143 // Utility method used by PutOnMassShell. <<
144 <<
145 G4bool GenerateDeltaIsobar( const G4double <<
146 G4Nucleon* inv <<
147 // Utility method used by PutOnMassShell. <<
148 <<
149 G4bool SamplingNucleonKinematics( G4double <<
150 G4double <<
151 const G4 <<
152 const G4 <<
153 const G4 <<
154 G4Nucleo <<
155 <<
156 // Utility method used by PutOnMassShell. <<
157 <<
158 G4bool CheckKinematics( const G4double sVa <<
159 const G4double pro <<
160 const G4double nuc <<
161 const G4int number <<
162 G4double& targetWm <<
163 // Utility method used by PutOnMassShell. <<
164 <<
165 G4bool FinalizeKinematics( const G4double <<
166 const G4Lorentz <<
167 const G4double <<
168 const G4int num <<
169 G4Nucleon* invo <<
170 G4LorentzVector& resi <<
171 // Utility method used by PutOnMassShell. <<
172 <<
173 G4ReactionProduct theProjectile; 96 G4ReactionProduct theProjectile;
174 G4FTFParticipants theParticipants; 97 G4FTFParticipants theParticipants;
175 98
176 G4Nucleon* TheInvolvedNucleonsOfTarget[250 99 G4Nucleon* TheInvolvedNucleonsOfTarget[250];
177 G4int NumberOfInvolvedNucleonsOfTarget; 100 G4int NumberOfInvolvedNucleonsOfTarget;
178 101
179 G4Nucleon* TheInvolvedNucleonsOfProjectile 102 G4Nucleon* TheInvolvedNucleonsOfProjectile[250];
180 G4int NumberOfInvolvedNucleonsOfProjectile 103 G4int NumberOfInvolvedNucleonsOfProjectile;
181 104
182 G4FTFParameters* theParameters; 105 G4FTFParameters* theParameters;
183 G4DiffractiveExcitation* theExcitation; 106 G4DiffractiveExcitation* theExcitation;
184 G4ElasticHNScattering* theElastic; 107 G4ElasticHNScattering* theElastic;
185 G4FTFAnnihilation* theAnnihilation; 108 G4FTFAnnihilation* theAnnihilation;
186 109
187 std::vector< G4VSplitableHadron* > theAddi 110 std::vector< G4VSplitableHadron* > theAdditionalString;
188 111
189 G4double LowEnergyLimit; 112 G4double LowEnergyLimit;
190 G4bool HighEnergyInter; 113 G4bool HighEnergyInter;
191 114
192 G4LorentzVector ProjectileResidual4Momentu 115 G4LorentzVector ProjectileResidual4Momentum;
193 G4int ProjectileResidualMassNumb 116 G4int ProjectileResidualMassNumber;
194 G4int ProjectileResidualCharge; 117 G4int ProjectileResidualCharge;
195 G4int ProjectileResidualLambdaNu <<
196 G4double ProjectileResidualExcitati 118 G4double ProjectileResidualExcitationEnergy;
197 119
198 G4LorentzVector TargetResidual4Momentum; 120 G4LorentzVector TargetResidual4Momentum;
199 G4int TargetResidualMassNumber; 121 G4int TargetResidualMassNumber;
200 G4int TargetResidualCharge; 122 G4int TargetResidualCharge;
201 G4double TargetResidualExcitationEn 123 G4double TargetResidualExcitationEnergy;
202 124
203 G4double Bimpact; <<
204 G4bool BinInterval; <<
205 G4double Bmin; <<
206 G4double Bmax; <<
207 G4int NumberOfProjectileSpectatorNucleons; <<
208 G4int NumberOfTargetSpectatorNucleons; <<
209 G4int NumberOfNNcollisions; <<
210 }; 125 };
211 126
>> 127
212 inline G4V3DNucleus* G4FTFModel::GetWoundedNuc 128 inline G4V3DNucleus* G4FTFModel::GetWoundedNucleus() const {
213 return theParticipants.GetWoundedNucleus(); 129 return theParticipants.GetWoundedNucleus();
214 } 130 }
215 131
>> 132
216 inline G4V3DNucleus* G4FTFModel::GetTargetNucl 133 inline G4V3DNucleus* G4FTFModel::GetTargetNucleus() const {
217 return theParticipants.GetWoundedNucleus(); 134 return theParticipants.GetWoundedNucleus();
218 } 135 }
219 136
>> 137
220 inline G4V3DNucleus* G4FTFModel::GetProjectile 138 inline G4V3DNucleus* G4FTFModel::GetProjectileNucleus() const {
221 return theParticipants.GetProjectileNucleus( 139 return theParticipants.GetProjectileNucleus();
222 } <<
223 <<
224 inline void G4FTFModel::SetImpactParameter( co <<
225 Bimpact = b_value; <<
226 } <<
227 <<
228 inline G4double G4FTFModel::GetImpactParameter <<
229 return Bimpact; <<
230 } <<
231 <<
232 inline void G4FTFModel::SetBminBmax( const G4d <<
233 BinInterval = false; <<
234 if ( bmin_value < 0.0 || bmax_value < 0.0 || <<
235 BinInterval = true; <<
236 Bmin = bmin_value; <<
237 Bmax = bmax_value; <<
238 } <<
239 <<
240 inline G4bool G4FTFModel::SampleBinInterval() <<
241 return BinInterval; <<
242 } <<
243 <<
244 inline G4double G4FTFModel::GetBmin() const { <<
245 return Bmin; <<
246 } <<
247 <<
248 inline G4double G4FTFModel::GetBmax() const { <<
249 return Bmax; <<
250 } <<
251 <<
252 inline G4int G4FTFModel::GetNumberOfProjectile <<
253 return NumberOfProjectileSpectatorNucleons; <<
254 } <<
255 <<
256 inline G4int G4FTFModel::GetNumberOfTargetSpec <<
257 return NumberOfTargetSpectatorNucleons; <<
258 } <<
259 <<
260 inline G4int G4FTFModel::GetNumberOfNNcollisio <<
261 return NumberOfNNcollisions; <<
262 } 140 }
263 141
264 #endif 142 #endif
265 143