JSFSpringParton

class JSFSpringParton : public TObject

    public:

                      JSFSpringParton()
                      JSFSpringParton(Int_t Ser, Int_t ID, Double_t Mass, Double_t Charge, TVector& P, Int_t Ndaughter, Int_t FirstDaughter, Int_t Mother, Int_t Helicity, Int_t ColorID, Int_t ShowerInfo)
                      JSFSpringParton(Int_t Ser, Int_t ID, Double_t Mass, Double_t Charge, TVector& P)
                      JSFSpringParton(Float_t* data)
                      JSFSpringParton(const JSFSpringParton&)
              virtual ~JSFSpringParton()
       static TClass* Class()
             Double_t GetAzimthAngle()
             Double_t GetCharge()
                Int_t GetColorID()
             Double_t GetCosth()
             Double_t GetE()
                Int_t GetFirstDaughter()
                Int_t GetHelicity()
                Int_t GetID()
       TLorentzVector GetLorentzVector()
             Double_t GetMass()
                Int_t GetMother()
                Int_t GetNDaughter()
             Double_t GetPabs()
             Double_t GetPt()
              TVector GetPV()
             Double_t GetPx()
             Double_t GetPy()
             Double_t GetPz()
                Int_t GetSerial()
                Int_t GetShowerInfo()
      virtual TClass* IsA() const
         virtual void ls(const Option_t* option)
         virtual void ShowMembers(TMemberInspector& insp, char* parent)
         virtual void Streamer(TBuffer& b)
                 void StreamerNVirtual(TBuffer& b)

Data Members

    public:

         Int_t fSer            parton serial number ( 1 to n )
         Int_t fID             Particle ID a la PDG.
      Double_t fMass           Particle mass (GeV);
      Double_t fCharge         Charge
        Real_t fP[4]           four momentum (E,Px,Py,Pz), GeV
         Int_t fNdaughter      Number of daughter particles
         Int_t fFirstDaughter  Serial number of 1st daughter
         Int_t fMother         Serial number of mother particle ( =0 for initial)
         Int_t fHelicity       parton helicity
         Int_t fColorID        Color singlet group ID
         Int_t fShowerInfo     ShowerLevel*100 + Shower-PairID

Class Description

  SpringParton Class

  To store particle information produced by event generators

  When JSFSpringParton is created, following parameters are specified.

   Int_t  fSer;        // parton serial number ( 1 to n )
   Int_t  fID;         // Particle ID a la PDG.
   Double_t  fMass;    // Particle mass (GeV);
   Double_t  fCharge;  // Charge
   Real_t    fP[4];    // four momentum (E,Px,Py,Pz), GeV
   Int_t     fNdaughter;     // Number of daughter particles
   Int_t     fFirstDaughter; // Serial number of 1st daughter
   Int_t     fMother;  // Serial number of mother particle ( =0 for initial)
   Int_t     fHelicity;  // parton helicity
   Int_t     fColorID;   // Color singlet group ID
   Int_t     fShowerInfo; // ShowerLevel*100 + Shower-PairID

  Where fNdaughter, fFirstDaughter, fMother are numbers ranging from 1 to N
  and corresponds to the fSer value.

  For fHelicity, fColorID and fShowerInfo, see comments below,
  which is taken from FORTRAN subroutine, LUFRAG.

  The parton showering is handled level by level, since showers
  from parent parton pairs might modify the momenta of their
  daughter partons.
  The level is defined by
     RBUF(19,*) = ISLEV*100 + ISPAIR
  where partons with the same ISLEV are passed to LUFRAG at one
  time (that means they comprise a set of color singlet states and
  that there is no parent-daughter relation among the set) and
  partons with the same ISPAIR are paired in LUSHOW calls in
  LUFRAG.
  Lepton pairs are required to have ISLEV = 0 and NDAU = 0 for
  proper polarization handling when the pair contains a tau.
  If you are satisfied with the default tau decay treatment, you
  do not have to distinguish leptons from quarks in the decay
  daughters from W or Z, etc.
  Color singlet groups are distinguished by
     RBUF(18,*) = ICF
  where ICF must have different values for different color singlet
  groups.
  Helicities of the primary partons should be stored in
     RBUF(17,*) = IHEL
  when necessary as with tau leptons.

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 Stream an object of class JSFSpringParton.

 Stream an object of class JSFSpringParton.

Inline Functions

        JSFSpringParton JSFSpringParton(Int_t Ser, Int_t ID, Double_t Mass, Double_t Charge, TVector& P, Int_t Ndaughter, Int_t FirstDaughter, Int_t Mother, Int_t Helicity, Int_t ColorID, Int_t ShowerInfo)
        JSFSpringParton JSFSpringParton(Int_t Ser, Int_t ID, Double_t Mass, Double_t Charge, TVector& P)
        JSFSpringParton JSFSpringParton(Float_t* data)
               Double_t GetPx()
               Double_t GetPy()
               Double_t GetPz()
               Double_t GetE()
               Double_t GetPabs()
               Double_t GetAzimthAngle()
               Double_t GetPt()
               Double_t GetCosth()
                  Int_t GetSerial()
                  Int_t GetID()
               Double_t GetCharge()
               Double_t GetMass()
                  Int_t GetNDaughter()
                  Int_t GetFirstDaughter()
                  Int_t GetMother()
                  Int_t GetHelicity()
                  Int_t GetColorID()
                  Int_t GetShowerInfo()
                TVector GetPV()
         TLorentzVector GetLorentzVector()
                TClass* Class()
                TClass* IsA() const
                   void ShowMembers(TMemberInspector& insp, char* parent)
                   void StreamerNVirtual(TBuffer& b)
        JSFSpringParton JSFSpringParton(const JSFSpringParton&)
                   void ~JSFSpringParton()