Particle Class Reference

#include <Particle.h>

Classes
class	Particle

Public Member Functions
void	Boost (const TVector3 &val)
void	Boost (const TLorentzVector &val)
ParticlePDG *	Def () const
ParticlePDG *	Def (ParticlePDG *newProp)
double	E () const
double	E (double val)
int	Encoding () const
double	Eta () const
bool	GetDecayed () const
int	GetFirstDaughterIndex ()
int	GetIndex ()
int	GetLastDaughterIndex ()
int	GetLastInterNumber () const
double	GetLastInterTime () const
const TLorentzVector &	GetLastMotherDecayCoor () const
const TLorentzVector &	GetLastMotherDecayMom () const
int	GetLastMotherPdg () const
int	GetMother ()
int	GetNDaughters ()
int	GetPythiaStatusCode ()
int	GetType () const
void	IncInter ()
TLorentzVector &	Mom ()
const TLorentzVector &	Mom () const
TLorentzVector &	Mom (const TLorentzVector &val)
	Particle (ParticlePDG *pdg=0)
	Particle (ParticlePDG *pdg, const TLorentzVector &pos, const TLorentzVector &mom, double lastInterTime=0., int lastInterNum=0, int type=0)
	Particle (ParticlePDG *pdg, const TLorentzVector &pos, const TLorentzVector &mom, double lastInterTime, int lastInterNum, int type, int motherPdg, const TLorentzVector &motherPos, const TLorentzVector &motherMom)
double	Phi () const
TLorentzVector &	Pos ()
const TLorentzVector &	Pos () const
TLorentzVector &	Pos (const TLorentzVector &val)
double	Pt () const
double	Px () const
double	Px (double val)
double	Py () const
double	Py (double val)
double	Pz () const
double	Pz (double val)
double	Rapidity () const
void	SetDecayed ()
void	SetFirstDaughterIndex (int index)
int	SetIndex ()
void	SetLastDaughterIndex (int index)
void	SetLastInterNumber (int value)
void	SetLastInterTime (double value)
TLorentzVector &	SetLastMotherDecayCoor (const TLorentzVector &val)
TLorentzVector &	SetLastMotherDecayMom (const TLorentzVector &val)
void	SetLastMotherPdg (int value)
void	SetMother (int value)
void	SetPythiaStatusCode (int code)
void	SetType (int value)
void	Shift (const TVector3 &val)
double	T () const
double	T (double val)
double	TableMass () const
double	Theta () const
void	TransformMomentum (const TRotation &rotator)
void	TransformPosition (const TRotation &rotator)
double	X () const
double	X (double val)
double	Y () const
double	Y (double val)
double	Z () const
double	Z (double val)

Static Public Member Functions
static int	GetLastIndex ()
static void	InitIndexing ()

Protected Attributes
bool	fDecayed
int	fFirstDaughterIndex
int	fIndex
int	fInteractionNumber
int	fLastDaughterIndex
double	fLastInteractionTime
TLorentzVector	fLastMotherDecayCoor
TLorentzVector	fLastMotherDecayMom
int	fLastMotherPdg
TLorentzVector	fMomentum
int	fMotherIndex
int	fNDaughters
ParticlePDG *	fParticleProperties
TLorentzVector	fPosition
int	fPythiaStatusCode
int	fType

Static Protected Attributes
static int	fLastIndex

Detailed Description

Definition at line 21 of file Particle.h.

Constructor & Destructor Documentation

Particle::Particle

(

ParticlePDG *

pdg = 0

)

Definition at line 13 of file Particle.cc.

  : fParticleProperties(prop),
    fLastInteractionTime(0.),
    fInteractionNumber(0),
    fPythiaStatusCode(-1),
    fLastMotherPdg(0),
    fType(0),
    fIndex(-1),
    fMotherIndex(-1),
    fNDaughters(0),
    fFirstDaughterIndex(-1),
    fLastDaughterIndex(-1),
    fDecayed(kFALSE)
{}

Particle::Particle	(	ParticlePDG *	pdg,
		const TLorentzVector &	pos,
		const TLorentzVector &	mom,
		double	lastInterTime = 0.,
		int	lastInterNum = 0,
		int	type = 0
	)

Definition at line 28 of file Particle.cc.

References fInteractionNumber, fLastInteractionTime, fParticleProperties, and fType.

  : fPosition(pos), 
    fMomentum(mom), 
    fPythiaStatusCode(-1),
    fIndex(-1), 
    fMotherIndex(-1), 
    fNDaughters(0), 
    fFirstDaughterIndex(-1),
    fLastDaughterIndex(-1),
    fDecayed(kFALSE)
{
  fLastInteractionTime = lit;
  fInteractionNumber = lin;
  fParticleProperties = prop;
  fType =  type;
}

Particle::Particle	(	ParticlePDG *	pdg,
		const TLorentzVector &	pos,
		const TLorentzVector &	mom,
		double	lastInterTime,
		int	lastInterNum,
		int	type,
		int	motherPdg,
		const TLorentzVector &	motherPos,
		const TLorentzVector &	motherMom
	)

Definition at line 46 of file Particle.cc.

References fInteractionNumber, fLastInteractionTime, fLastMotherPdg, fParticleProperties, fType, gen::n, and protons_cff::t.

  : fPosition(pos), fMomentum(mom),
    fLastMotherDecayCoor(mPos),
    fLastMotherDecayMom(mMom),
    fPythiaStatusCode(-1),
    fIndex(-1), 
    fMotherIndex(-1), 
    fNDaughters(0),
    fFirstDaughterIndex(-1),
    fLastDaughterIndex(-1),
    fDecayed(kFALSE)
{
  fParticleProperties = prop;
  fLastInteractionTime = t;
  fInteractionNumber = n;
  fType = ty;
  fLastMotherPdg = motherPdg;
}

Member Function Documentation

void Particle::Boost ( const TVector3 &  val )

inline

Definition at line 76 of file Particle.h.

{fMomentum.Boost(val);}

void Particle::Boost ( const TLorentzVector &  val )

inline

Definition at line 77 of file Particle.h.

{fMomentum.Boost(val.BoostVector());}

ParticlePDG* Particle::Def ( ) const

inline

Definition at line 92 of file Particle.h.

References fParticleProperties.

{return fParticleProperties;}

ParticlePDG* Particle::Def ( ParticlePDG *  newProp )

inline

Definition at line 93 of file Particle.h.

{return fParticleProperties = newProp;}

double Particle::E ( ) const

inline

Definition at line 63 of file Particle.h.

{return fMomentum.E();}

double Particle::E ( double  val )

inline

Definition at line 64 of file Particle.h.

References heppy_batch::val.

{fMomentum.SetE(val); return val;}

int Particle::Encoding

(

)

const

Definition at line 67 of file Particle.cc.

References fParticleProperties, and ParticlePDG::GetPDG().

Referenced by Shift().

                             {
  return fParticleProperties->GetPDG();
}

double Particle::Eta

(

)

const

Definition at line 75 of file Particle.cc.

References fMomentum.

Referenced by Shift().

                           {
  if(fMomentum.P() != fMomentum.Pz())
    return 0.5 * TMath::Log((fMomentum.P() + fMomentum.Pz()) / (fMomentum.P()-fMomentum.Pz()));
  else return 1.e30;
}

bool Particle::GetDecayed ( ) const

inline

Definition at line 74 of file Particle.h.

References fDecayed.

{return fDecayed;}

int Particle::GetFirstDaughterIndex ( )

inline

Definition at line 118 of file Particle.h.

References fFirstDaughterIndex.

{return fFirstDaughterIndex;}

int Particle::GetIndex ( )

inline

Definition at line 101 of file Particle.h.

References fIndex.

{return fIndex;}

int Particle::GetLastDaughterIndex ( )

inline

Definition at line 119 of file Particle.h.

References fLastDaughterIndex.

{return fLastDaughterIndex;}

static int Particle::GetLastIndex ( )

inlinestatic

Definition at line 102 of file Particle.h.

References fLastIndex.

{return fLastIndex;}

int Particle::GetLastInterNumber ( ) const

inline

Definition at line 129 of file Particle.h.

References fInteractionNumber.

{return fInteractionNumber;}

double Particle::GetLastInterTime ( ) const

inline

Definition at line 127 of file Particle.h.

References fLastInteractionTime.

{return fLastInteractionTime;}

const TLorentzVector& Particle::GetLastMotherDecayCoor ( ) const

inline

Definition at line 122 of file Particle.h.

References fLastMotherDecayCoor.

{return fLastMotherDecayCoor;}

const TLorentzVector& Particle::GetLastMotherDecayMom ( ) const

inline

Definition at line 124 of file Particle.h.

References fLastMotherDecayMom.

{return fLastMotherDecayMom;}

int Particle::GetLastMotherPdg ( ) const

inline

Definition at line 96 of file Particle.h.

References fLastMotherPdg.

{return fLastMotherPdg;}

int Particle::GetMother ( )

inline

Definition at line 107 of file Particle.h.

References fMotherIndex.

{return fMotherIndex;}

int Particle::GetNDaughters ( )

inline

Definition at line 112 of file Particle.h.

                      {
    if(fFirstDaughterIndex==-1 || fLastDaughterIndex==-1) 
      return 0;
    else
      return fLastDaughterIndex-fFirstDaughterIndex+1;
  }

int Particle::GetPythiaStatusCode ( )

inline

Definition at line 111 of file Particle.h.

References fPythiaStatusCode.

{return fPythiaStatusCode;}

int Particle::GetType ( ) const

inline

Definition at line 133 of file Particle.h.

References fType, S(), and T().

{return fType;}

void Particle::IncInter ( )

inline

Definition at line 130 of file Particle.h.

References fInteractionNumber.

{++fInteractionNumber;}

static void Particle::InitIndexing ( )

inlinestatic

Definition at line 103 of file Particle.h.

Referenced by gen::Hydjet2Hadronizer::generatePartonsAndHadronize().

                             {
    fLastIndex = -1;
  }

TLorentzVector& Particle::Mom ( )

inline

Definition at line 69 of file Particle.h.

References fMomentum.

{return fMomentum;}

const TLorentzVector& Particle::Mom ( ) const

inline

Definition at line 70 of file Particle.h.

References fMomentum.

{return fMomentum;}

TLorentzVector& Particle::Mom ( const TLorentzVector &  val )

inline

Definition at line 71 of file Particle.h.

References heppy_batch::val.

{return fMomentum = val;}

double Particle::Phi

(

)

const

Definition at line 87 of file Particle.cc.

References fMomentum, and Pi.

Referenced by Shift().

                           {
  return TMath::Pi()+TMath::ATan2(-fMomentum.Py(), -fMomentum.Px());
}

TLorentzVector& Particle::Pos ( )

inline

Definition at line 66 of file Particle.h.

References fPosition.

{return fPosition;}

const TLorentzVector& Particle::Pos ( ) const

inline

Definition at line 67 of file Particle.h.

References fPosition.

{return fPosition;}

TLorentzVector& Particle::Pos ( const TLorentzVector &  val )

inline

Definition at line 68 of file Particle.h.

References heppy_batch::val.

{return fPosition = val;}

double Particle::Pt

(

)

const

Definition at line 95 of file Particle.cc.

References fMomentum.

Referenced by Shift().

                          {
  return TMath::Sqrt(fMomentum.Px() * fMomentum.Px() + fMomentum.Py() * fMomentum.Py());
}

double Particle::Px ( ) const

inline

Definition at line 57 of file Particle.h.

{return fMomentum.Px();}

double Particle::Px ( double  val )

inline

Definition at line 58 of file Particle.h.

References heppy_batch::val.

{fMomentum.SetPx(val); return val;}

double Particle::Py ( ) const

inline

Definition at line 59 of file Particle.h.

{return fMomentum.Py();}

double Particle::Py ( double  val )

inline

Definition at line 60 of file Particle.h.

References heppy_batch::val.

{fMomentum.SetPy(val); return val;}

double Particle::Pz ( ) const

inline

Definition at line 61 of file Particle.h.

{return fMomentum.Pz();}

double Particle::Pz ( double  val )

inline

Definition at line 62 of file Particle.h.

References heppy_batch::val.

{fMomentum.SetPz(val); return val;}

double Particle::Rapidity

(

)

const

Definition at line 81 of file Particle.cc.

References fMomentum.

Referenced by Shift().

                                {
  if (fMomentum.E() != fMomentum.Pz())
    return 0.5 * TMath::Log((fMomentum.E() + fMomentum.Pz()) / (fMomentum.E() - fMomentum.Pz()));
  else return 1.e30;
}

void Particle::SetDecayed ( )

inline

Definition at line 73 of file Particle.h.

{fDecayed = kTRUE;}

void Particle::SetFirstDaughterIndex ( int  index )

inline

Definition at line 108 of file Particle.h.

{fFirstDaughterIndex = index;}

int Particle::SetIndex ( )

inline

Definition at line 100 of file Particle.h.

References fIndex, and fLastIndex.

{fIndex = ++fLastIndex; return fIndex;}

void Particle::SetLastDaughterIndex ( int  index )

inline

Definition at line 109 of file Particle.h.

{fLastDaughterIndex = index;}

void Particle::SetLastInterNumber ( int  value )

inline

Definition at line 128 of file Particle.h.

References relativeConstraints::value.

{fInteractionNumber = value;}

void Particle::SetLastInterTime ( double  value )

inline

Definition at line 126 of file Particle.h.

References relativeConstraints::value.

{fLastInteractionTime = value;}

TLorentzVector& Particle::SetLastMotherDecayCoor ( const TLorentzVector &  val )

inline

Definition at line 121 of file Particle.h.

References heppy_batch::val.

{return fLastMotherDecayCoor = val;}

TLorentzVector& Particle::SetLastMotherDecayMom ( const TLorentzVector &  val )

inline

Definition at line 123 of file Particle.h.

References heppy_batch::val.

{return fLastMotherDecayMom = val;}

void Particle::SetLastMotherPdg ( int  value )

inline

Definition at line 95 of file Particle.h.

References relativeConstraints::value.

{fLastMotherPdg = value;}

void Particle::SetMother ( int  value )

inline

Definition at line 106 of file Particle.h.

References relativeConstraints::value.

{fMotherIndex = value;}

void Particle::SetPythiaStatusCode ( int  code )

inline

Definition at line 110 of file Particle.h.

{fPythiaStatusCode = code;}

void Particle::SetType ( int  value )

inline

Definition at line 132 of file Particle.h.

References relativeConstraints::value.

{fType = value;}

void Particle::Shift ( const TVector3 &  val )

inline

Definition at line 80 of file Particle.h.

References Encoding(), Eta(), Phi(), Pt(), Rapidity(), TableMass(), and Theta().

{fPosition += TLorentzVector(val, 0.);}

double Particle::T ( ) const

inline

Definition at line 55 of file Particle.h.

Referenced by GetType().

{return fPosition.T();}

double Particle::T ( double  val )

inline

Definition at line 56 of file Particle.h.

References heppy_batch::val.

{fPosition.SetT(val); return val;}

double Particle::TableMass

(

)

const

Definition at line 71 of file Particle.cc.

References fParticleProperties, and ParticlePDG::GetMass().

Referenced by Shift().

                                 {
  return fParticleProperties->GetMass();
}

double Particle::Theta

(

)

const

Definition at line 91 of file Particle.cc.

References fMomentum, and Pi.

Referenced by Shift().

                             {
  return !fMomentum.Pz() ? TMath::Pi() / 2 : TMath::ACos(fMomentum.Pz() / fMomentum.P());
}

void Particle::TransformMomentum ( const TRotation &  rotator )

inline

Definition at line 78 of file Particle.h.

{fMomentum *= rotator;}

void Particle::TransformPosition ( const TRotation &  rotator )

inline

Definition at line 79 of file Particle.h.

{fPosition *= rotator;}

double Particle::X ( ) const

inline

Definition at line 49 of file Particle.h.

Referenced by svgfig.Curve.Sample::__repr__().

{return fPosition.X();}

double Particle::X ( double  val )

inline

Definition at line 50 of file Particle.h.

References heppy_batch::val.

Referenced by svgfig.Curve.Sample::__repr__().

{fPosition.SetX(val); return val;}

double Particle::Y ( ) const

inline

Definition at line 51 of file Particle.h.

{return fPosition.Y();}

double Particle::Y ( double  val )

inline

Definition at line 52 of file Particle.h.

References heppy_batch::val.

{fPosition.SetY(val); return val;}

double Particle::Z ( ) const

inline

Definition at line 53 of file Particle.h.

{return fPosition.Z();}

double Particle::Z ( double  val )

inline

Definition at line 54 of file Particle.h.

References heppy_batch::val.

{fPosition.SetZ(val); return val;}

Member Data Documentation

bool Particle::fDecayed

protected

Definition at line 39 of file Particle.h.

Referenced by GetDecayed().

int Particle::fFirstDaughterIndex

protected

Definition at line 36 of file Particle.h.

Referenced by GetFirstDaughterIndex().

int Particle::fIndex

protected

Definition at line 33 of file Particle.h.

Referenced by GetIndex(), and SetIndex().

int Particle::fInteractionNumber

protected

Definition at line 29 of file Particle.h.

Referenced by GetLastInterNumber(), IncInter(), and Particle().

int Particle::fLastDaughterIndex

protected

Definition at line 37 of file Particle.h.

Referenced by GetLastDaughterIndex().

int Particle::fLastIndex

staticprotected

Definition at line 38 of file Particle.h.

Referenced by GetLastIndex(), and SetIndex().

double Particle::fLastInteractionTime

protected

Definition at line 28 of file Particle.h.

Referenced by GetLastInterTime(), and Particle().

TLorentzVector Particle::fLastMotherDecayCoor

protected

Definition at line 25 of file Particle.h.

Referenced by GetLastMotherDecayCoor().

TLorentzVector Particle::fLastMotherDecayMom

protected

Definition at line 26 of file Particle.h.

Referenced by GetLastMotherDecayMom().

int Particle::fLastMotherPdg

protected

Definition at line 31 of file Particle.h.

Referenced by GetLastMotherPdg(), and Particle().

TLorentzVector Particle::fMomentum

protected

Definition at line 24 of file Particle.h.

Referenced by Eta(), Mom(), Phi(), Pt(), Rapidity(), and Theta().

int Particle::fMotherIndex

protected

Definition at line 34 of file Particle.h.

Referenced by GetMother().

int Particle::fNDaughters

protected

Definition at line 35 of file Particle.h.

Referenced by DecayChannel::AddDaughter(), DecayChannel::DecayChannel(), DecayChannel::GetDaughterPDG(), and DecayChannel::SetDaughters().

ParticlePDG* Particle::fParticleProperties

protected

Definition at line 27 of file Particle.h.

Referenced by Def(), Encoding(), Particle(), and TableMass().

TLorentzVector Particle::fPosition

protected

Definition at line 23 of file Particle.h.

Referenced by Pos().

int Particle::fPythiaStatusCode

protected

Definition at line 30 of file Particle.h.

Referenced by GetPythiaStatusCode().

int Particle::fType

protected

Definition at line 32 of file Particle.h.

Referenced by GetType(), and Particle().