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25 // 25 //
26 // 26 //
27 // 27 //
28 // Class Description 28 // Class Description
29 // Final state production code for hadron inel 29 // Final state production code for hadron inelastic scattering above 3 GeV
30 // based on the modeling ansatz used in FRITIO 30 // based on the modeling ansatz used in FRITIOF.
31 // To be used in your physics list in case you 31 // To be used in your physics list in case you need this physics.
32 // In this case you want to register an object 32 // In this case you want to register an object of this class with an object
33 // of G4TheoFSGenerator. 33 // of G4TheoFSGenerator.
34 // Class Description - End 34 // Class Description - End
35 35
36 #ifndef G4FTFModel_h 36 #ifndef G4FTFModel_h
37 #define G4FTFModel_h 1 37 #define G4FTFModel_h 1
38 38
39 // ------------------------------------------- 39 // ------------------------------------------------------------
40 // GEANT 4 class header file 40 // GEANT 4 class header file
41 // 41 //
42 // ---------------- G4FTFModel ---------- 42 // ---------------- G4FTFModel ----------------
43 // by Gunter Folger, May 1998. 43 // by Gunter Folger, May 1998.
44 // class implementing the excitation in 44 // class implementing the excitation in the FTF Parton String Model
45 // ------------------------------------------- 45 // ------------------------------------------------------------
46 46
47 #include "G4VPartonStringModel.hh" 47 #include "G4VPartonStringModel.hh"
48 #include "G4FTFParameters.hh" 48 #include "G4FTFParameters.hh"
49 #include "G4FTFParticipants.hh" 49 #include "G4FTFParticipants.hh"
50 #include "G4ExcitedStringVector.hh" 50 #include "G4ExcitedStringVector.hh"
51 #include "G4DiffractiveExcitation.hh" 51 #include "G4DiffractiveExcitation.hh"
52 #include "G4ElasticHNScattering.hh" 52 #include "G4ElasticHNScattering.hh"
53 #include "G4FTFAnnihilation.hh" 53 #include "G4FTFAnnihilation.hh"
54 #include "G4Proton.hh" 54 #include "G4Proton.hh"
55 #include "G4Neutron.hh" 55 #include "G4Neutron.hh"
56 56
57 class G4VSplitableHadron; 57 class G4VSplitableHadron;
58 class G4ExcitedString; 58 class G4ExcitedString;
59 59
60 60
61 class G4FTFModel : public G4VPartonStringModel 61 class G4FTFModel : public G4VPartonStringModel {
62 public: 62 public:
63 G4FTFModel( const G4String& modelName = "F 63 G4FTFModel( const G4String& modelName = "FTF" );
64 ~G4FTFModel() override; 64 ~G4FTFModel() override;
65 65
66 G4V3DNucleus* GetTargetNucleus() const; 66 G4V3DNucleus* GetTargetNucleus() const;
67 G4V3DNucleus* GetWoundedNucleus() const ov 67 G4V3DNucleus* GetWoundedNucleus() const override;
68 G4V3DNucleus* GetProjectileNucleus() const 68 G4V3DNucleus* GetProjectileNucleus() const override;
69 69
70 void ModelDescription( std::ostream& ) con 70 void ModelDescription( std::ostream& ) const override;
71 71
72 G4FTFModel( const G4FTFModel& right ) = de 72 G4FTFModel( const G4FTFModel& right ) = delete;
73 const G4FTFModel& operator=( const G4FTFMo 73 const G4FTFModel& operator=( const G4FTFModel& right ) = delete;
74 G4bool operator==( const G4FTFModel& right 74 G4bool operator==( const G4FTFModel& right ) const = delete;
75 G4bool operator!=( const G4FTFModel& right 75 G4bool operator!=( const G4FTFModel& right ) const = delete;
76 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: 77 protected:
88 void Init( const G4Nucleus& aNucleus, 78 void Init( const G4Nucleus& aNucleus,
89 const G4DynamicParticle& aProje 79 const G4DynamicParticle& aProjectile ) override;
90 G4ExcitedStringVector* GetStrings() overri 80 G4ExcitedStringVector* GetStrings() override;
91 81
92 private: 82 private:
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 void BuildStrings( G4ExcitedStringVector* strings );
98 void GetResiduals(); 88 void GetResiduals();
99 89
100 G4bool AdjustNucleons( G4VSplitableHadron* 90 G4bool AdjustNucleons( G4VSplitableHadron* SelectedAntiBaryon,
101 G4Nucleon* 91 G4Nucleon* ProjectileNucleon,
102 G4VSplitableHadron* 92 G4VSplitableHadron* SelectedTargetNucleon,
103 G4Nucleon* 93 G4Nucleon* TargetNucleon,
104 G4bool 94 G4bool Annihilation );
105 // The "AdjustNucleons" method uses the fo 95 // The "AdjustNucleons" method uses the following struct and 3 new utility methods:
106 struct CommonVariables { 96 struct CommonVariables {
107 G4int TResidualMassNumber = 0, TResidual 97 G4int TResidualMassNumber = 0, TResidualCharge = 0, PResidualMassNumber = 0,
108 PResidualCharge = 0, PResidualLambdaNu << 98 PResidualCharge = 0;
109 G4double SqrtS = 0.0, S = 0.0, SumMasses 99 G4double SqrtS = 0.0, S = 0.0, SumMasses = 0.0,
110 TResidualExcitationEnergy = 0.0, TResi 100 TResidualExcitationEnergy = 0.0, TResidualMass = 0.0, TNucleonMass = 0.0,
111 PResidualExcitationEnergy = 0.0, PResi 101 PResidualExcitationEnergy = 0.0, PResidualMass = 0.0, PNucleonMass = 0.0,
112 Mprojectile = 0.0, M2projectile = 0.0, 102 Mprojectile = 0.0, M2projectile = 0.0, Pzprojectile = 0.0, Eprojectile = 0.0,
113 WplusProjectile = 0.0, 103 WplusProjectile = 0.0,
114 Mtarget = 0.0, M2target = 0.0, Pztarge 104 Mtarget = 0.0, M2target = 0.0, Pztarget = 0.0, Etarget = 0.0, WminusTarget = 0.0,
115 Mt2targetNucleon = 0.0, PztargetNucleo 105 Mt2targetNucleon = 0.0, PztargetNucleon = 0.0, EtargetNucleon = 0.0,
116 Mt2projectileNucleon = 0.0, Pzprojecti 106 Mt2projectileNucleon = 0.0, PzprojectileNucleon = 0.0, EprojectileNucleon = 0.0,
117 YtargetNucleus = 0.0, YprojectileNucle 107 YtargetNucleus = 0.0, YprojectileNucleus = 0.0,
118 XminusNucleon = 0.0, XplusNucleon = 0. 108 XminusNucleon = 0.0, XplusNucleon = 0.0, XminusResidual = 0.0, XplusResidual = 0.0;
119 G4ThreeVector PtNucleon, PtResidual, PtN 109 G4ThreeVector PtNucleon, PtResidual, PtNucleonP, PtResidualP, PtNucleonT, PtResidualT;
120 G4LorentzVector Psum, Pprojectile, Ptmp, 110 G4LorentzVector Psum, Pprojectile, Ptmp, Ptarget, TResidual4Momentum, PResidual4Momentum;
121 G4LorentzRotation toCms, toLab; 111 G4LorentzRotation toCms, toLab;
122 }; 112 };
123 G4int AdjustNucleonsAlgorithm_beforeSampli 113 G4int AdjustNucleonsAlgorithm_beforeSampling( G4int interactionCase,
124 114 G4VSplitableHadron* SelectedAntiBaryon,
125 115 G4Nucleon* ProjectileNucleon,
126 116 G4VSplitableHadron* SelectedTargetNucleon,
127 117 G4Nucleon* TargetNucleon,
128 118 G4bool Annihilation,
129 119 CommonVariables& common );
130 G4bool AdjustNucleonsAlgorithm_Sampling( 120 G4bool AdjustNucleonsAlgorithm_Sampling( G4int interactionCase,
131 121 CommonVariables& common );
132 void AdjustNucleonsAlgorithm_afterSampling 122 void AdjustNucleonsAlgorithm_afterSampling( G4int interactionCase,
133 123 G4VSplitableHadron* SelectedAntiBaryon,
134 124 G4VSplitableHadron* SelectedTargetNucleon,
135 125 CommonVariables& common );
136 126
137 G4ThreeVector GaussianPt( G4double Average 127 G4ThreeVector GaussianPt( G4double AveragePt2, G4double maxPtSquare ) const;
138 128
139 G4bool ComputeNucleusProperties( G4V3DNucl 129 G4bool ComputeNucleusProperties( G4V3DNucleus* nucleus, G4LorentzVector& nucleusMomentum,
140 G4Lorentz 130 G4LorentzVector& residualMomentum, G4double& sumMasses,
141 G4double& 131 G4double& residualExcitationEnergy, G4double& residualMass,
142 G4int& re 132 G4int& residualMassNumber, G4int& residualCharge );
143 // Utility method used by PutOnMassShell. 133 // Utility method used by PutOnMassShell.
144 134
145 G4bool GenerateDeltaIsobar( const G4double 135 G4bool GenerateDeltaIsobar( const G4double sqrtS, const G4int numberOfInvolvedNucleons,
146 G4Nucleon* inv 136 G4Nucleon* involvedNucleons[], G4double& sumMasses );
147 // Utility method used by PutOnMassShell. 137 // Utility method used by PutOnMassShell.
148 138
149 G4bool SamplingNucleonKinematics( G4double 139 G4bool SamplingNucleonKinematics( G4double averagePt2, const G4double maxPt2,
150 G4double 140 G4double dCor, G4V3DNucleus* nucleus,
151 const G4 141 const G4LorentzVector& pResidual,
152 const G4 142 const G4double residualMass, const G4int residualMassNumber,
153 const G4 143 const G4int numberOfInvolvedNucleons,
154 G4Nucleo 144 G4Nucleon* involvedNucleons[], G4double& mass2 );
155 145
156 // Utility method used by PutOnMassShell. 146 // Utility method used by PutOnMassShell.
157 147
158 G4bool CheckKinematics( const G4double sVa 148 G4bool CheckKinematics( const G4double sValue, const G4double sqrtS,
159 const G4double pro 149 const G4double projectileMass2, const G4double targetMass2,
160 const G4double nuc 150 const G4double nucleusY, const G4bool isProjectileNucleus,
161 const G4int number 151 const G4int numberOfInvolvedNucleons, G4Nucleon* involvedNucleons[],
162 G4double& targetWm 152 G4double& targetWminus, G4double& projectileWplus, G4bool& success );
163 // Utility method used by PutOnMassShell. 153 // Utility method used by PutOnMassShell.
164 154
165 G4bool FinalizeKinematics( const G4double 155 G4bool FinalizeKinematics( const G4double w, const G4bool isProjectileNucleus,
166 const G4Lorentz 156 const G4LorentzRotation& boostFromCmsToLab,
167 const G4double 157 const G4double residualMass, const G4int residualMassNumber,
168 const G4int num 158 const G4int numberOfInvolvedNucleons,
169 G4Nucleon* invo 159 G4Nucleon* involvedNucleons[],
170 G4LorentzVector& resi 160 G4LorentzVector& residual4Momentum );
171 // Utility method used by PutOnMassShell. 161 // Utility method used by PutOnMassShell.
172 162
173 G4ReactionProduct theProjectile; 163 G4ReactionProduct theProjectile;
174 G4FTFParticipants theParticipants; 164 G4FTFParticipants theParticipants;
175 165
176 G4Nucleon* TheInvolvedNucleonsOfTarget[250 166 G4Nucleon* TheInvolvedNucleonsOfTarget[250];
177 G4int NumberOfInvolvedNucleonsOfTarget; 167 G4int NumberOfInvolvedNucleonsOfTarget;
178 168
179 G4Nucleon* TheInvolvedNucleonsOfProjectile 169 G4Nucleon* TheInvolvedNucleonsOfProjectile[250];
180 G4int NumberOfInvolvedNucleonsOfProjectile 170 G4int NumberOfInvolvedNucleonsOfProjectile;
181 171
182 G4FTFParameters* theParameters; 172 G4FTFParameters* theParameters;
183 G4DiffractiveExcitation* theExcitation; 173 G4DiffractiveExcitation* theExcitation;
184 G4ElasticHNScattering* theElastic; 174 G4ElasticHNScattering* theElastic;
185 G4FTFAnnihilation* theAnnihilation; 175 G4FTFAnnihilation* theAnnihilation;
186 176
187 std::vector< G4VSplitableHadron* > theAddi 177 std::vector< G4VSplitableHadron* > theAdditionalString;
188 178
189 G4double LowEnergyLimit; 179 G4double LowEnergyLimit;
190 G4bool HighEnergyInter; 180 G4bool HighEnergyInter;
191 181
192 G4LorentzVector ProjectileResidual4Momentu 182 G4LorentzVector ProjectileResidual4Momentum;
193 G4int ProjectileResidualMassNumb 183 G4int ProjectileResidualMassNumber;
194 G4int ProjectileResidualCharge; 184 G4int ProjectileResidualCharge;
195 G4int ProjectileResidualLambdaNu <<
196 G4double ProjectileResidualExcitati 185 G4double ProjectileResidualExcitationEnergy;
197 186
198 G4LorentzVector TargetResidual4Momentum; 187 G4LorentzVector TargetResidual4Momentum;
199 G4int TargetResidualMassNumber; 188 G4int TargetResidualMassNumber;
200 G4int TargetResidualCharge; 189 G4int TargetResidualCharge;
201 G4double TargetResidualExcitationEn 190 G4double TargetResidualExcitationEnergy;
202 <<
203 G4double Bimpact; <<
204 G4bool BinInterval; <<
205 G4double Bmin; <<
206 G4double Bmax; <<
207 G4int NumberOfProjectileSpectatorNucleons; <<
208 G4int NumberOfTargetSpectatorNucleons; <<
209 G4int NumberOfNNcollisions; <<
210 }; 191 };
211 192
212 inline G4V3DNucleus* G4FTFModel::GetWoundedNuc 193 inline G4V3DNucleus* G4FTFModel::GetWoundedNucleus() const {
213 return theParticipants.GetWoundedNucleus(); 194 return theParticipants.GetWoundedNucleus();
214 } 195 }
215 196
216 inline G4V3DNucleus* G4FTFModel::GetTargetNucl 197 inline G4V3DNucleus* G4FTFModel::GetTargetNucleus() const {
217 return theParticipants.GetWoundedNucleus(); 198 return theParticipants.GetWoundedNucleus();
218 } 199 }
219 200
220 inline G4V3DNucleus* G4FTFModel::GetProjectile 201 inline G4V3DNucleus* G4FTFModel::GetProjectileNucleus() const {
221 return theParticipants.GetProjectileNucleus( 202 return theParticipants.GetProjectileNucleus();
222 } 203 }
223 204
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 } <<
263 <<
264 #endif 205 #endif
>> 206
265 207