TParticle


class description - source file - inheritance tree

class TParticle : public TObject, public TAttLine


    public:
TParticle TParticle() TParticle TParticle(Int_t pdg, Int_t status, Int_t mother1, Int_t mother2, Int_t daughter1, Int_t daughter2, Double_t px, Double_t py, Double_t pz, Double_t etot, Double_t vx, Double_t vy, Double_t vz, Double_t time) TParticle TParticle(Int_t pdg, Int_t status, Int_t mother1, Int_t mother2, Int_t daughter1, Int_t daughter2, TLorentzVector& p, TLorentzVector& v) TParticle TParticle(TParticle&) virtual void ~TParticle() Int_t Beauty() Int_t Charm() TClass* Class() virtual Int_t DistancetoPrimitive(Int_t px, Int_t py) Double_t Energy() Double_t Eta() virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py) Double_t GetCalcMass() Int_t GetDaughter(Int_t i) Int_t GetFirstDaughter() Int_t GetFirstMother() Int_t GetLastDaughter() Double_t GetMass() Int_t GetMother(Int_t i) virtual const Text_t* GetName() Int_t GetNDaughters() TParticlePDG* GetPDG() Int_t GetPdgCode() void GetPolarisation(TVector3& v) Int_t GetSecondMother() Int_t GetStatusCode() virtual const Text_t* GetTitle() Float_t GetWeight() virtual Bool_t Is3D() virtual TClass* IsA() void Momentum(TLorentzVector& v) Double_t P() virtual void Paint(Option_t* option) Double_t Phi() virtual void Print(Option_t* option) void ProductionVertex(TLorentzVector& v) Double_t Pt() Double_t Px() Double_t Py() Double_t Pz() void SetCalcMass(Double_t mass) void SetDaughter(int i, int code) void SetFirstDaughter(int code) void SetFirstMother(int code) void SetLastDaughter(int code) void SetLastMother(int code) void SetMomentum(Double_t px, Double_t py, Double_t pz, Double_t e) void SetMomentum(TLorentzVector& p) void SetMother(int i, int code) void SetPolarisation(Double_t polx, Double_t poly, Double_t polz) void SetPolarisation(TVector3& v) void SetProductionVertex(Double_t vx, Double_t vy, Double_t vz, Double_t t) void SetProductionVertex(TLorentzVector& v) void SetWeight(Float_t weight = 1) virtual void ShowMembers(TMemberInspector& insp, char* parent) virtual void Sizeof3D() Int_t Strangeness() virtual void Streamer(TBuffer& b) Double_t T() Double_t Theta() Double_t Vx() Double_t Vy() Double_t Vz()

Data Members

protected:
Int_t fPdgCode PDG code of the particle Int_t fStatusCode generation status code Int_t fMother[2] Indices of the mother particles Int_t fDaughter[2] Indices of the daughter particles Float_t fWeight particle weight Double_t fCalcMass Calculated mass Double_t fPx x component of momentum Double_t fPy y component of momentum Double_t fPz z component of momentum Double_t fE Energy Double_t fVx x of production vertex Double_t fVy y of production vertex Double_t fVz z of production vertex Double_t fVt t of production vertex Double_t fPolarTheta Polar angle of polarisation Double_t fPolarPhi azymutal angle of polarisation TParticlePDG* fParticlePDG ! reference to the particle record in PDG database

Class Description


TParticle()

TParticle(Int_t pdg, Int_t status, Int_t mother1, Int_t mother2, Int_t daughter1, Int_t daughter2, Double_t px, Double_t py, Double_t pz, Double_t etot, Double_t vx, Double_t vy, Double_t vz, Double_t time): fPdgCode(pdg), fStatusCode(status), fWeight(1.),fPx(px), fPy(py), fPz(pz), fE(etot), fVx(vx), fVy(vy), fVz(vz), fVt(time)

TParticle(Int_t pdg, Int_t status, Int_t mother1, Int_t mother2, Int_t daughter1, Int_t daughter2, const TLorentzVector &p, const TLorentzVector &v) : fPdgCode(pdg), fStatusCode(status), fWeight(1.),fPx(p.Px()), fPy(p.Py()), fPz(p.Pz()), fE(p.E()), fVx(v.X()), fVy(v.Y()), fVz(v.Z()), fVt(v.T())

~TParticle()

Int_t DistancetoPrimitive(Int_t px, Int_t py)
*-*-*-*-*-*-*-*Compute distance from point px,py to a primary track*-*-*-*
*-*            ====================================================
*-*
*-*  Compute the closest distance of approach from point px,py to each segment
*-*  of a track.
*-*  The distance is computed in pixels units.
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*

void ExecuteEvent(Int_t, Int_t, Int_t)
*-*-*-*-*-*-*-*-*-*-*Execute action corresponding to one event*-*-*-*
*-*                  =========================================

const Text_t* GetName() const

void GetPolarisation(TVector3 &v)

const Text_t* GetTitle() const

void Paint(Option_t *option)
  Paint a primary track


void Print(Option_t *)
  Print the internals of the primary vertex particle


void SetPolarisation(Double_t polx, Double_t poly, Double_t polz)

void Sizeof3D() const
*-*-*-*-*-*Return total X3D size of this primary*-*-*-*-*-*-*
*-*        =====================================

void Streamer(TBuffer &R__b)
 Stream an object of class TParticle.



Inline Functions


                Int_t GetStatusCode()
                Int_t GetPdgCode()
                Int_t GetFirstMother()
                Int_t GetMother(Int_t i)
                Int_t GetSecondMother()
                Int_t GetFirstDaughter()
                Int_t GetDaughter(Int_t i)
                Int_t GetLastDaughter()
             Double_t GetCalcMass()
             Double_t GetMass()
                Int_t GetNDaughters()
              Float_t GetWeight()
        TParticlePDG* GetPDG()
                Int_t Beauty()
                Int_t Charm()
                Int_t Strangeness()
                 void Momentum(TLorentzVector& v)
                 void ProductionVertex(TLorentzVector& v)
             Double_t Vx()
             Double_t Vy()
             Double_t Vz()
             Double_t T()
             Double_t Px()
             Double_t Py()
             Double_t Pz()
             Double_t P()
             Double_t Pt()
             Double_t Energy()
             Double_t Eta()
             Double_t Phi()
             Double_t Theta()
                 void SetFirstMother(int code)
                 void SetMother(int i, int code)
                 void SetLastMother(int code)
                 void SetFirstDaughter(int code)
                 void SetDaughter(int i, int code)
                 void SetLastDaughter(int code)
                 void SetCalcMass(Double_t mass)
                 void SetPolarisation(TVector3& v)
                 void SetWeight(Float_t weight = 1)
                 void SetMomentum(Double_t px, Double_t py, Double_t pz, Double_t e)
                 void SetMomentum(TLorentzVector& p)
                 void SetProductionVertex(Double_t vx, Double_t vy, Double_t vz, Double_t t)
                 void SetProductionVertex(TLorentzVector& v)
               Bool_t Is3D()
              TClass* Class()
              TClass* IsA()
                 void ShowMembers(TMemberInspector& insp, char* parent)
            TParticle TParticle(TParticle&)


Author: Rene Brun , Federico Carminati 26/04/99
Last update: 2.22/08 07/07/99 18.51.24 by Rene Brun


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