source: trunk/source/processes/hadronic/models/parton_string/hadronization/include/G4VLongitudinalStringDecay.hh@ 880

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// $Id: G4VLongitudinalStringDecay.hh,v 1.4 2007/04/24 14:55:23 gunter Exp $
// GEANT4 tag $Name: geant4-09-01-patch-02 $
// Maxim Komogorov
//
// -----------------------------------------------------------------------------
//      GEANT 4 class implementation file
//
//      History: first implementation, Maxim Komogorov, 1-Jul-1998
// -----------------------------------------------------------------------------
#ifndef G4VLongitudinalStringDecay_h
#define G4VLongitudinalStringDecay_h 1
#include "G4VStringFragmentation.hh"
#include "G4DynamicParticle.hh"
#include "G4KineticTrack.hh"
#include "G4KineticTrackVector.hh"
#include "G4HadronBuilder.hh"

class G4FragmentingString;
//**********************************************************************************************

class G4VLongitudinalStringDecay 
   {
public:
   G4VLongitudinalStringDecay();     
   virtual ~G4VLongitudinalStringDecay();

private:
//  G4VLongitudinalStringDecay(const G4VLongitudinalStringDecay &right);
//  const G4VLongitudinalStringDecay & operator=(const G4VLongitudinalStringDecay &right);
   int operator==(const G4VLongitudinalStringDecay &right) const;
   int operator!=(const G4VLongitudinalStringDecay &right) const;

public:
   virtual G4KineticTrackVector* FragmentString(const G4ExcitedString& theString)=0;
   
   G4KineticTrackVector* DecayResonans (G4KineticTrackVector* aHadrons);
   void SetSigmaTransverseMomentum(G4double aQT);
   void SetStrangenessSuppression(G4double aValue);
   void SetDiquarkSuppression(G4double aValue);
   void SetDiquarkBreakProbability(G4double aValue);

   void SetVectorMesonProbability(G4double aValue);
   void SetSpinThreeHalfBarionProbability(G4double aValue);
   
   void SetScalarMesonMixings( std::vector<G4double> aVector);
   void SetVectorMesonMixings( std::vector<G4double> aVector);

//   used by G4VKinkyStringDecy..
   G4int SampleQuarkFlavor(void);
   G4ThreeVector SampleQuarkPt();
        
//private:
protected:  
   G4double GetDiquarkSuppress()        {return DiquarkSuppress;};
   G4double GetDiquarkBreakProb()       {return DiquarkBreakProb;};
   G4double GetStrangeSuppress()        {return StrangeSuppress;};
   G4double GetClusterMass()            {return ClusterMass;};
   G4int    GetClusterLoopInterrupt()   {return ClusterLoopInterrupt;};
   
   G4ParticleDefinition* CreateHadron(G4int id1, G4int id2, G4bool theGivenSpin, G4int theSpin); 
   virtual void Sample4Momentum(G4LorentzVector* Mom, G4double Mass, G4LorentzVector* AntiMom, G4double AntiMass, G4double InitialMass)=0; 

protected:
   // Additional protected declarations 
   virtual G4double GetLightConeZ(G4double zmin, G4double zmax, G4int PartonEncoding,  G4ParticleDefinition* pHadron, G4double Px, G4double Py) = 0;      

//private:
protected:  
   G4double  MassCut;
   G4double  ClusterMass;
   G4double  SigmaQT;          // sigma_q_t is quark transverse momentum distribution parameter 
   G4double  DiquarkSuppress;  // is Diquark suppression parameter  
   G4double  DiquarkBreakProb; // is Diquark breaking probability 
   G4double  SmoothParam;      // model parameter
   G4double  StrangeSuppress ;
   G4int     StringLoopInterrupt;
   G4int     ClusterLoopInterrupt;
   G4int     SideOfDecay;
   G4HadronBuilder *hadronizer;

   void ConstructParticle();

   G4double pspin_meson;
   G4double pspin_barion;
   std::vector<G4double> vectorMesonMix;
   std::vector<G4double> scalarMesonMix;
   
   G4bool    PastInitPhase;
   

   G4KineticTrackVector * LightFragmentationTest(const G4ExcitedString * const theString);
   virtual G4bool StopFragmenting(const G4FragmentingString  * const string)=0;
   virtual G4bool IsFragmentable(const G4FragmentingString * const string)=0;
//   G4double MinFragmentationMass(G4ExcitedString * theString,
//                              G4ParticleDefinition*& Hadron1,
//                              G4ParticleDefinition*& Hadron2);
   typedef std::pair<G4ParticleDefinition*, G4ParticleDefinition*> pDefPair;
   typedef G4ParticleDefinition * (G4HadronBuilder::*Pcreate)
                                        (G4ParticleDefinition*, G4ParticleDefinition*);
   G4double FragmentationMass(
                const G4FragmentingString * const string,
                Pcreate build=0,
                pDefPair * pdefs=0);
   G4KineticTrack * Splitup(G4FragmentingString *string, G4FragmentingString *&newString);
   virtual G4LorentzVector * SplitEandP(G4ParticleDefinition * pHadron, G4FragmentingString * string)=0;
   virtual G4bool SplitLast(G4FragmentingString * string, 
                    G4KineticTrackVector * LeftVector,
                    G4KineticTrackVector * RightVector)=0;
   void CalculateHadronTimePosition(G4double theInitialStringMass, G4KineticTrackVector *);
   G4ExcitedString *CPExcited(const G4ExcitedString& string);
   G4ParticleDefinition* FindParticle(G4int Encoding); 

   // Additional Implementation Declarations
   G4ParticleDefinition * QuarkSplitup(G4ParticleDefinition* decay,
                                G4ParticleDefinition *&created);
   G4ParticleDefinition * DiQuarkSplitup(G4ParticleDefinition* decay,
                                        G4ParticleDefinition *&created);
                                        
   pDefPair CreatePartonPair(G4int NeedParticle, G4bool AllowDiquarks=true);


};


//**********************************************************************************************
// Class G4VLongitudinalStringDecay 
#endif