Particle Class Reference

#include <Particle.h>

Classes
class	Particle

Public Member Functions
void	Boost (const TLorentzVector &val)
void	Boost (const TVector3 &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, const TLorentzVector &pos, const TLorentzVector &mom, double lastInterTime, int lastInterNum, int type, int motherPdg, const TLorentzVector &motherPos, const TLorentzVector &motherMom)
	Particle (ParticlePDG *pdg, const TLorentzVector &pos, const TLorentzVector &mom, double lastInterTime=0., int lastInterNum=0, int type=0)
	Particle (ParticlePDG *pdg=nullptr)
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() [1/3]

Particle::Particle

(

ParticlePDG *

pdg = nullptr

)

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() [2/3]

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

Definition at line 27 of file Particle.cc.

    : 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;
}

References fInteractionNumber, fLastInteractionTime, fParticleProperties, and fType.

Particle() [3/3]

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 44 of file Particle.cc.

    : 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;
}

References fInteractionNumber, fLastInteractionTime, fLastMotherPdg, fParticleProperties, fType, dqmiodumpmetadata::n, and OrderedSet::t.

Member Function Documentation

Boost() [1/2]

void Particle::Boost ( const TLorentzVector &  val )

inline

Definition at line 111 of file Particle.h.

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

References fMomentum, and heppy_batch::val.

Boost() [2/2]

void Particle::Boost ( const TVector3 &  val )

inline

Definition at line 110 of file Particle.h.

{ fMomentum.Boost(val); }

References fMomentum, and heppy_batch::val.

Def() [1/2]

ParticlePDG* Particle::Def ( ) const

inline

Definition at line 126 of file Particle.h.

{ return fParticleProperties; }

References fParticleProperties.

Def() [2/2]

ParticlePDG* Particle::Def ( ParticlePDG *  newProp )

inline

Definition at line 127 of file Particle.h.

{ return fParticleProperties = newProp; }

References fParticleProperties.

E() [1/2]

double Particle::E ( ) const

inline

Definition at line 94 of file Particle.h.

{ return fMomentum.E(); }

References fMomentum.

E() [2/2]

double Particle::E ( double  val )

inline

Definition at line 95 of file Particle.h.

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

References fMomentum, and heppy_batch::val.

Encoding()

int Particle::Encoding

(

)

const

Definition at line 71 of file Particle.cc.

{ return fParticleProperties->GetPDG(); }

References fParticleProperties, and ParticlePDG::GetPDG().

Eta()

double Particle::Eta

(

)

const

Definition at line 75 of file Particle.cc.

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

References fMomentum.

GetDecayed()

bool Particle::GetDecayed ( ) const

inline

Definition at line 108 of file Particle.h.

{ return fDecayed; }

References fDecayed.

GetFirstDaughterIndex()

int Particle::GetFirstDaughterIndex ( )

inline

Definition at line 153 of file Particle.h.

{ return fFirstDaughterIndex; }

References fFirstDaughterIndex.

GetIndex()

int Particle::GetIndex ( )

inline

Definition at line 138 of file Particle.h.

{ return fIndex; }

References fIndex.

GetLastDaughterIndex()

int Particle::GetLastDaughterIndex ( )

inline

Definition at line 154 of file Particle.h.

{ return fLastDaughterIndex; }

References fLastDaughterIndex.

GetLastIndex()

static int Particle::GetLastIndex ( )

inlinestatic

Definition at line 139 of file Particle.h.

{ return fLastIndex; }

References fLastIndex.

GetLastInterNumber()

int Particle::GetLastInterNumber ( ) const

inline

Definition at line 164 of file Particle.h.

{ return fInteractionNumber; }

References fInteractionNumber.

GetLastInterTime()

double Particle::GetLastInterTime ( ) const

inline

Definition at line 162 of file Particle.h.

{ return fLastInteractionTime; }

References fLastInteractionTime.

GetLastMotherDecayCoor()

const TLorentzVector& Particle::GetLastMotherDecayCoor ( ) const

inline

Definition at line 157 of file Particle.h.

{ return fLastMotherDecayCoor; }

References fLastMotherDecayCoor.

GetLastMotherDecayMom()

const TLorentzVector& Particle::GetLastMotherDecayMom ( ) const

inline

Definition at line 159 of file Particle.h.

{ return fLastMotherDecayMom; }

References fLastMotherDecayMom.

GetLastMotherPdg()

int Particle::GetLastMotherPdg ( ) const

inline

Definition at line 130 of file Particle.h.

{ return fLastMotherPdg; }

References fLastMotherPdg.

GetMother()

int Particle::GetMother ( )

inline

Definition at line 142 of file Particle.h.

{ return fMotherIndex; }

References fMotherIndex.

GetNDaughters()

int Particle::GetNDaughters ( )

inline

Definition at line 147 of file Particle.h.

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

References fFirstDaughterIndex, and fLastDaughterIndex.

GetPythiaStatusCode()

int Particle::GetPythiaStatusCode ( )

inline

Definition at line 146 of file Particle.h.

{ return fPythiaStatusCode; }

References fPythiaStatusCode.

GetType()

int Particle::GetType ( ) const

inline

Definition at line 168 of file Particle.h.

{ return fType; }

References fType.

IncInter()

void Particle::IncInter ( )

inline

Definition at line 165 of file Particle.h.

{ ++fInteractionNumber; }

References fInteractionNumber.

InitIndexing()

static void Particle::InitIndexing ( )

inlinestatic

Definition at line 140 of file Particle.h.

{ fLastIndex = -1; }

References fLastIndex.

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

Mom() [1/3]

TLorentzVector& Particle::Mom ( )

inline

Definition at line 103 of file Particle.h.

{ return fMomentum; }

References fMomentum.

Mom() [2/3]

const TLorentzVector& Particle::Mom ( ) const

inline

Definition at line 104 of file Particle.h.

{ return fMomentum; }

References fMomentum.

Mom() [3/3]

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

inline

Definition at line 105 of file Particle.h.

{ return fMomentum = val; }

References fMomentum, and heppy_batch::val.

Phi()

double Particle::Phi

(

)

const

Definition at line 89 of file Particle.cc.

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

References fMomentum, and Pi.

Pos() [1/3]

TLorentzVector& Particle::Pos ( )

inline

Definition at line 100 of file Particle.h.

{ return fPosition; }

References fPosition.

Pos() [2/3]

const TLorentzVector& Particle::Pos ( ) const

inline

Definition at line 101 of file Particle.h.

{ return fPosition; }

References fPosition.

Pos() [3/3]

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

inline

Definition at line 102 of file Particle.h.

{ return fPosition = val; }

References fPosition, and heppy_batch::val.

Pt()

double Particle::Pt

(

)

const

Definition at line 95 of file Particle.cc.

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

References fMomentum.

Px() [1/2]

double Particle::Px ( ) const

inline

Definition at line 79 of file Particle.h.

{ return fMomentum.Px(); }

References fMomentum.

Px() [2/2]

double Particle::Px ( double  val )

inline

Definition at line 80 of file Particle.h.

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

References fMomentum, and heppy_batch::val.

Py() [1/2]

double Particle::Py ( ) const

inline

Definition at line 84 of file Particle.h.

{ return fMomentum.Py(); }

References fMomentum.

Py() [2/2]

double Particle::Py ( double  val )

inline

Definition at line 85 of file Particle.h.

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

References fMomentum, and heppy_batch::val.

Pz() [1/2]

double Particle::Pz ( ) const

inline

Definition at line 89 of file Particle.h.

{ return fMomentum.Pz(); }

References fMomentum.

Pz() [2/2]

double Particle::Pz ( double  val )

inline

Definition at line 90 of file Particle.h.

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

References fMomentum, and heppy_batch::val.

Rapidity()

double Particle::Rapidity

(

)

const

Definition at line 82 of file Particle.cc.

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

References fMomentum.

SetDecayed()

void Particle::SetDecayed ( )

inline

Definition at line 107 of file Particle.h.

{ fDecayed = kTRUE; }

References fDecayed.

SetFirstDaughterIndex()

void Particle::SetFirstDaughterIndex ( int  index )

inline

Definition at line 143 of file Particle.h.

{ fFirstDaughterIndex = index; }

References fFirstDaughterIndex.

SetIndex()

int Particle::SetIndex ( )

inline

Definition at line 134 of file Particle.h.

                 {
    fIndex = ++fLastIndex;
    return fIndex;
  }

References fIndex, and fLastIndex.

SetLastDaughterIndex()

void Particle::SetLastDaughterIndex ( int  index )

inline

Definition at line 144 of file Particle.h.

{ fLastDaughterIndex = index; }

References fLastDaughterIndex.

SetLastInterNumber()

void Particle::SetLastInterNumber ( int  value )

inline

Definition at line 163 of file Particle.h.

{ fInteractionNumber = value; }

References fInteractionNumber, and relativeConstraints::value.

SetLastInterTime()

void Particle::SetLastInterTime ( double  value )

inline

Definition at line 161 of file Particle.h.

{ fLastInteractionTime = value; }

References fLastInteractionTime, and relativeConstraints::value.

SetLastMotherDecayCoor()

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

inline

Definition at line 156 of file Particle.h.

{ return fLastMotherDecayCoor = val; }

References fLastMotherDecayCoor, and heppy_batch::val.

SetLastMotherDecayMom()

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

inline

Definition at line 158 of file Particle.h.

{ return fLastMotherDecayMom = val; }

References fLastMotherDecayMom, and heppy_batch::val.

SetLastMotherPdg()

void Particle::SetLastMotherPdg ( int  value )

inline

Definition at line 129 of file Particle.h.

{ fLastMotherPdg = value; }

References fLastMotherPdg, and relativeConstraints::value.

SetMother()

void Particle::SetMother ( int  value )

inline

Definition at line 141 of file Particle.h.

{ fMotherIndex = value; }

References fMotherIndex, and relativeConstraints::value.

SetPythiaStatusCode()

void Particle::SetPythiaStatusCode ( int  code )

inline

Definition at line 145 of file Particle.h.

{ fPythiaStatusCode = code; }

References fPythiaStatusCode.

SetType()

void Particle::SetType ( int  value )

inline

Definition at line 167 of file Particle.h.

{ fType = value; }

References fType, and relativeConstraints::value.

Shift()

void Particle::Shift ( const TVector3 &  val )

inline

Definition at line 114 of file Particle.h.

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

References fPosition, and heppy_batch::val.

T() [1/2]

double Particle::T ( ) const

inline

Definition at line 74 of file Particle.h.

{ return fPosition.T(); }

References fPosition.

T() [2/2]

double Particle::T ( double  val )

inline

Definition at line 75 of file Particle.h.

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

References fPosition, and heppy_batch::val.

TableMass()

double Particle::TableMass

(

)

const

Definition at line 73 of file Particle.cc.

{ return fParticleProperties->GetMass(); }

References fParticleProperties, and ParticlePDG::GetMass().

Theta()

double Particle::Theta

(

)

const

Definition at line 91 of file Particle.cc.

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

References fMomentum, and Pi.

TransformMomentum()

void Particle::TransformMomentum ( const TRotation &  rotator )

inline

Definition at line 112 of file Particle.h.

{ fMomentum *= rotator; }

References fMomentum.

TransformPosition()

void Particle::TransformPosition ( const TRotation &  rotator )

inline

Definition at line 113 of file Particle.h.

{ fPosition *= rotator; }

References fPosition.

X() [1/2]

double Particle::X ( ) const

inline

Definition at line 59 of file Particle.h.

{ return fPosition.X(); }

References fPosition.

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

X() [2/2]

double Particle::X ( double  val )

inline

Definition at line 60 of file Particle.h.

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

References fPosition, and heppy_batch::val.

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

Y() [1/2]

double Particle::Y ( ) const

inline

Definition at line 64 of file Particle.h.

{ return fPosition.Y(); }

References fPosition.

Y() [2/2]

double Particle::Y ( double  val )

inline

Definition at line 65 of file Particle.h.

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

References fPosition, and heppy_batch::val.

Z() [1/2]

double Particle::Z ( ) const

inline

Definition at line 69 of file Particle.h.

{ return fPosition.Z(); }

References fPosition.

Z() [2/2]

double Particle::Z ( double  val )

inline

Definition at line 70 of file Particle.h.

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

References fPosition, and heppy_batch::val.

Member Data Documentation

fDecayed

bool Particle::fDecayed

protected

Definition at line 39 of file Particle.h.

Referenced by GetDecayed(), and SetDecayed().

fFirstDaughterIndex

int Particle::fFirstDaughterIndex

protected

Definition at line 36 of file Particle.h.

Referenced by GetFirstDaughterIndex(), GetNDaughters(), and SetFirstDaughterIndex().

fIndex

int Particle::fIndex

protected

Definition at line 33 of file Particle.h.

Referenced by GetIndex(), and SetIndex().

fInteractionNumber

int Particle::fInteractionNumber

protected

Definition at line 29 of file Particle.h.

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

fLastDaughterIndex

int Particle::fLastDaughterIndex

protected

Definition at line 37 of file Particle.h.

Referenced by GetLastDaughterIndex(), GetNDaughters(), and SetLastDaughterIndex().

fLastIndex

int Particle::fLastIndex

staticprotected

Definition at line 38 of file Particle.h.

Referenced by GetLastIndex(), InitIndexing(), and SetIndex().

fLastInteractionTime

double Particle::fLastInteractionTime

protected

Definition at line 28 of file Particle.h.

Referenced by GetLastInterTime(), Particle(), and SetLastInterTime().

fLastMotherDecayCoor

TLorentzVector Particle::fLastMotherDecayCoor

protected

Definition at line 25 of file Particle.h.

Referenced by GetLastMotherDecayCoor(), and SetLastMotherDecayCoor().

fLastMotherDecayMom

TLorentzVector Particle::fLastMotherDecayMom

protected

Definition at line 26 of file Particle.h.

Referenced by GetLastMotherDecayMom(), and SetLastMotherDecayMom().

fLastMotherPdg

int Particle::fLastMotherPdg

protected

Definition at line 31 of file Particle.h.

Referenced by GetLastMotherPdg(), Particle(), and SetLastMotherPdg().

fMomentum

TLorentzVector Particle::fMomentum

protected

Definition at line 24 of file Particle.h.

Referenced by Boost(), E(), Eta(), Mom(), Phi(), Pt(), Px(), Py(), Pz(), Rapidity(), Theta(), and TransformMomentum().

fMotherIndex

int Particle::fMotherIndex

protected

Definition at line 34 of file Particle.h.

Referenced by GetMother(), and SetMother().

fNDaughters

int Particle::fNDaughters

protected

Definition at line 35 of file Particle.h.

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

fParticleProperties

ParticlePDG* Particle::fParticleProperties

protected

Definition at line 27 of file Particle.h.

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

fPosition

TLorentzVector Particle::fPosition

protected

Definition at line 23 of file Particle.h.

Referenced by Pos(), Shift(), T(), TransformPosition(), X(), Y(), and Z().

fPythiaStatusCode

int Particle::fPythiaStatusCode

protected

Definition at line 30 of file Particle.h.

Referenced by GetPythiaStatusCode(), and SetPythiaStatusCode().

fType

int Particle::fType

protected

Definition at line 32 of file Particle.h.

Referenced by GetType(), Particle(), and SetType().