G4FTFModel.hh

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00025 //
00026 //
00027 // $Id$
00028 // GEANT4 tag $Name:  $
00029 //
00030 // Class Description
00031 // Final state production code for hadron inelastic scattering above 20 GeV
00032 // based on the modeling ansatz used in FRITIOF.
00033 // To be used in your physics list in case you need this physics.
00034 // In this case you want to register an object of this class with an object
00035 // of G4TheoFSGenerator. 
00036 // Class Description - End
00037 
00038 #ifndef G4FTFModel_h
00039 #define G4FTFModel_h 1
00040 
00041 // ------------------------------------------------------------
00042 //      GEANT 4 class header file
00043 //
00044 //      ---------------- G4FTFModel ----------------
00045 //             by Gunter Folger, May 1998.
00046 //       class implementing the excitation in the FTF Parton String Model
00047 // ------------------------------------------------------------
00048 
00049 
00050 #include "G4VPartonStringModel.hh"
00051 
00052 class G4VSplitableHadron;
00053 class G4ExcitedString;
00054 
00055 #include "G4FTFParameters.hh"
00056 #include "G4FTFParticipants.hh"
00057 
00058 #include "G4ExcitedStringVector.hh"
00059 #include "G4DiffractiveExcitation.hh"
00060 #include "G4ElasticHNScattering.hh"
00061 #include "G4FTFAnnihilation.hh"
00062 
00063 class G4FTFModel : public G4VPartonStringModel
00064 {
00065 
00066   public:
00067       G4FTFModel(const G4String& modelName = "FTF");
00068       //G4FTFModel(G4double , G4double , G4double );
00069       //G4FTFModel(G4DiffractiveExcitation * anExcitation);
00070       ~G4FTFModel();
00071   private:
00072       G4FTFModel(const G4FTFModel &right);
00073       const G4FTFModel & operator=(const G4FTFModel &right);
00074       int operator==(const G4FTFModel &right) const;
00075       int operator!=(const G4FTFModel &right) const;
00076   public:
00077       void Init(const G4Nucleus & aNucleus, const G4DynamicParticle & aProjectile);
00078       G4ExcitedStringVector * GetStrings();
00079       G4V3DNucleus * GetWoundedNucleus() const;
00080       virtual void ModelDescription(std::ostream&) const;
00081 
00082   protected:
00083   
00084   private:
00085        void StoreInvolvedNucleon();              
00086        void ReggeonCascade();
00087        G4bool PutOnMassShell();
00088        G4bool ExciteParticipants();
00089        G4ExcitedStringVector * BuildStrings();
00090        void GetResidualNucleus();                  
00091        void AjustTargetNucleonForAnnihilation(G4VSplitableHadron *SelectedAntiBaryon,
00092                                               G4VSplitableHadron *SelectedTargetNucleon); 
00093        G4ThreeVector GaussianPt(G4double  AveragePt2, G4double maxPtSquare) const;
00094   
00095   private:     
00096 
00097        G4ReactionProduct theProjectile;       
00098        G4FTFParticipants theParticipants;
00099        
00100        G4Nucleon * TheInvolvedNucleon[250];
00101        G4int  NumberOfInvolvedNucleon;
00102        G4int  NumberOfInvolvedTargetNucleon;
00103 
00104        G4Nucleon * TheInvolvedNucleonOfProjectile[250];
00105        G4int  NumberOfInvolvedNucleonOfProjectile;
00106 
00107        G4FTFParameters  *theParameters;
00108        G4DiffractiveExcitation * theExcitation;
00109        G4ElasticHNScattering   * theElastic;
00110        G4FTFAnnihilation       * theAnnihilation;              // Uzhi 17.11.10
00111 
00112        std::vector<G4VSplitableHadron *> theAdditionalString;  // Uzhi 17.11.10
00113 
00114        G4LorentzVector Residual4Momentum;
00115        G4double ResidualExcitationEnergy;
00116 
00117 };
00118 
00119 // ------------------------------------------------------------
00120 inline 
00121 G4V3DNucleus * G4FTFModel::GetWoundedNucleus() const
00122 {
00123         return theParticipants.GetWoundedNucleus();
00124 }
00125 
00126 #endif

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