library: libEG
#include "TAttParticle.h"

TAttParticle


class description - source file - inheritance tree (.pdf)

class TAttParticle : public TNamed

Inheritance Chart:
TObject
<-
TNamed
<-
TAttParticle

    public:
TAttParticle() TAttParticle(const char* name, const char* title, Double_t Mass, Bool_t Stable, Double_t DecayWidth, Double_t Charge, const char* Type, Int_t MCnumber, Int_t granularity = 90, Double_t LowerCutOff = 1.e-5, Double_t HighCutOff = 1.e4) TAttParticle(const TAttParticle&) virtual ~TAttParticle() static TClass* Class() static Int_t ConvertISAtoPDG(Int_t isaNumber) static void DefinePDG() virtual Double_t GetCharge() const virtual Double_t GetDecayWidth() const virtual Double_t GetEnergyCut() const virtual Double_t GetEnergyLimit() const virtual Double_t GetGranularity() const virtual Double_t GetMass() const virtual Int_t GetMCNumber() const static TAttParticle* GetParticle(const char* name) static TAttParticle* GetParticle(Int_t mcnumber) virtual const char* GetParticleType() const virtual Bool_t GetStable() const virtual TClass* IsA() const TAttParticle& operator=(const TAttParticle&) virtual void Print(Option_t* option = "") const virtual Double_t SampleMass() const virtual Double_t SampleMass(Double_t widthcut) const virtual void ShowMembers(TMemberInspector& insp, char* parent) virtual void Streamer(TBuffer& b) void StreamerNVirtual(TBuffer& b)

Data Members

    private:
Double_t fPDGMass Mass of the particle in GeV/c2 Bool_t fPDGStable Logical indicator, if TRUE the particle can not decay Double_t fPDGDecayWidth Life time of the particle in sec. Double_t fPDGCharge Charge of the particle in units of e TString fParticleType Text indicator for the particle family Int_t fMCnumberOfPDG PDG MC number followed by Double_t fEnergyCut Lower energy cut off, the default is 10 keV Double_t fEnergyLimit High energy cut off, the default is 10 TeV Double_t fGranularity Granularity of the fLogEScale public:
static THashList* fgList

Class Description

                                                                      
 TAttParticle                                                          
                                                                      
 Particle definition, partly based on GEANT3 particle definition      
                                                                      
                                                                      


TAttParticle()
  Particle definition default constructor


TAttParticle(const char *name, const char *title, Double_t Mass, Bool_t Stable, Double_t DecayWidth, Double_t Charge, const char *Type, Int_t MCnumber, Int_t granularity, Double_t LowerCutOff, Double_t HighCutOff) : TNamed(name,title)
  Particle definition normal constructor. If the particle is set to be
  stable, the decay width parameter does have no meaning and can be set to
  any value. The parameters granularity, LowerCutOff and HighCutOff are
  used for the construction of the mean free path look up tables. The
  granularity will be the number of logwise energy points for which the
  mean free path will be calculated.


~TAttParticle()
  Particle destructor


Int_t ConvertISAtoPDG(Int_t isaNumber)
  Converts the ISAJET Particle number into the PDG MC number


void DefinePDG()
  Defines particles according to the Particle Data Group

  For questions regarding distribution or content of the MC particle
  codes, contact
  Gary Wagman (GSWagman@LBL.BITNET, LBL::GSWagman, or GSWagman@LBL.GOV).
  (510)486-6610


TAttParticle* GetParticle(const char *name)
  Get a pointer to the particle object according to the name given


TAttParticle* GetParticle(Int_t mcnumber)
  Get a pointer to the particle object according to the MC code number


void Print(Option_t *) const
  Print the entire information of this kind of particle


Double_t SampleMass() const
  Samples a mass according to the Breit-Wigner resonance distribution


Double_t SampleMass(Double_t widthcut) const
  Samples a mass in the interval:

  fPDGMass-widthcut*fPDGDecayWidtht - fPDGMass+widthcut*fPDGDecayWidth

  according to the Breit-Wigner resonance distribution




Inline Functions


             Double_t GetCharge() const
             Double_t GetEnergyCut() const
             Double_t GetEnergyLimit() const
             Double_t GetGranularity() const
             Double_t GetDecayWidth() const
             Double_t GetMass() const
                Int_t GetMCNumber() const
          const char* GetParticleType() const
               Bool_t GetStable() const
              TClass* Class()
              TClass* IsA() const
                 void ShowMembers(TMemberInspector& insp, char* parent)
                 void Streamer(TBuffer& b)
                 void StreamerNVirtual(TBuffer& b)
         TAttParticle TAttParticle(const TAttParticle&)
        TAttParticle& operator=(const TAttParticle&)


Author: Ola Nordmann 29/09/95
Last update: root/eg:$Name: $:$Id: TAttParticle.cxx,v 1.2 2000/12/13 15:13:46 brun Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *


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