MELAParticle Class Reference

#include <MELAParticle.h>

Inheritance diagram for MELAParticle:

Public Member Functions
	MELAParticle ()
	MELAParticle (int id_)
	MELAParticle (int id_, TLorentzVector p4_)
	MELAParticle (const MELAParticle &particle_)
MELAParticle &	operator= (const MELAParticle &particle_)
virtual	~MELAParticle ()
void	swap (MELAParticle &particle_)
void	setSelected (bool isSelected=true)
void	setGenStatus (int status_)
void	setLifetime (double life_)
void	addMother (MELAParticle *myParticle)
void	addDaughter (MELAParticle *myParticle)
int	getNMothers () const
int	getNDaughters () const
virtual std::vector< int >	getDaughterIds () const
MELAParticle *	getMother (int index) const
MELAParticle *	getDaughter (int index) const
virtual void	getRelatedParticles (std::vector< MELAParticle * > &particles) const
virtual void	getDaughterParticles (std::vector< MELAParticle * > &particles) const
std::vector< MELAParticle * > &	getMothers ()
std::vector< MELAParticle * > &	getDaughters ()
const std::vector< MELAParticle * > &	getMothers () const
const std::vector< MELAParticle * > &	getDaughters () const
bool	hasMother (MELAParticle const *part) const
bool	hasDaughter (MELAParticle const *part) const
double	charge () const
double	m () const
double	x () const
double	y () const
double	z () const
double	t () const
double	p () const
double	pt () const
double	eta () const
double	phi () const
double	rapidity () const
double	dot (const TLorentzVector &v) const
double	dot (const MELAParticle &part) const
double	dot (const MELAParticle *part) const
double	euclidean_dot (const TLorentzVector &v) const
double	euclidean_dot (const MELAParticle &part) const
double	euclidean_dot (const MELAParticle *part) const
double	deltaR (const TLorentzVector &v) const
double	deltaR (const MELAParticle &part) const
double	deltaR (const MELAParticle *part) const
void	boost (const TVector3 &vec, bool boostAll=false)
TVector3	vect () const
TVector3	calculateTotalDisplacement () const
MELAParticle &	operator+= (MELAParticle *part)
MELAParticle &	operator+= (const TLorentzVector &mom)

Static Public Member Functions
static bool	checkParticleExists (MELAParticle const *myParticle, std::vector< MELAParticle * > const &particleArray)
static bool	checkDeepDaughtership (MELAParticle const *part1, MELAParticle const *part2)

Public Attributes
int	id
TLorentzVector	p4
bool	passSelection
int	genStatus
double	lifetime

Protected Attributes
std::vector< MELAParticle * >	mothers
std::vector< MELAParticle * >	daughters

Detailed Description

Definition at line 13 of file MELAParticle.h.

Constructor & Destructor Documentation

MELAParticle() [1/4]

MELAParticle::MELAParticle

(

)

Definition at line 16 of file MELAParticle.cc.

                          :
id(-9000),
p4(0, 0, 0, 0),
passSelection(true),
genStatus(-2),
lifetime(0)
{}

MELAParticle() [2/4]

MELAParticle::MELAParticle

(

int

id_

)

Definition at line 23 of file MELAParticle.cc.

                                  :
id(id_),
p4(0, 0, 0, 0),
passSelection(true),
genStatus(-2),
lifetime(0)
{}

MELAParticle() [3/4]

MELAParticle::MELAParticle	(	int	id_,
		TLorentzVector	p4_
	)

Definition at line 30 of file MELAParticle.cc.

                                                      :
id(id_),
p4(p4_),
passSelection(true),
genStatus(-2),
lifetime(0)
{}

MELAParticle() [4/4]

MELAParticle::MELAParticle

(

const MELAParticle &

particle_

)

Definition at line 37 of file MELAParticle.cc.

                                                        :
id(particle_.id),
p4(particle_.p4),
passSelection(particle_.passSelection),
genStatus(particle_.genStatus),
lifetime(particle_.lifetime),
mothers(particle_.mothers),
daughters(particle_.daughters)
{}

~MELAParticle()

virtual MELAParticle::~MELAParticle ( )

inlinevirtual

Definition at line 37 of file MELAParticle.h.

{};

Member Function Documentation

addDaughter()

void MELAParticle::addDaughter

(

MELAParticle *

myParticle

)

Definition at line 63 of file MELAParticle.cc.

{ if (!checkParticleExists(myParticle, daughters)) daughters.push_back(myParticle); }

addMother()

void MELAParticle::addMother

(

MELAParticle *

myParticle

)

Definition at line 62 of file MELAParticle.cc.

{ if (!checkParticleExists(myParticle, mothers)) mothers.push_back(myParticle); }

boost()

void MELAParticle::boost	(	const TVector3 &	vec,
		bool	boostAll = false
	)

Definition at line 100 of file MELAParticle.cc.

                                                          {
  if (vec.Mag2()<1.){
    if (boostAll){
      std::vector<MELAParticle*> particles;
      this->getRelatedParticles(particles);
      for (std::vector<MELAParticle*>::iterator it = particles.begin(); it<particles.end(); it++) (*it)->boost(vec, false);
    }
    else p4.Boost(vec);
  }
  else MELAerr
    << "MELAParticle::boost: "
    << "|v|**2 = " << vec.Mag2() << " >=1 cannot be used to boost. "
    << "v = ( " << vec.X() << " , " << vec.Y() << " , " << vec.Z() << " )"
    << std::endl;
}

calculateTotalDisplacement()

TVector3 MELAParticle::calculateTotalDisplacement

(

)

const

Definition at line 127 of file MELAParticle.cc.

                                                      {
  TVector3 res;
  double const part_mass = this->m();
  TVector3 const part_vec = this->vect();
 
  // Calculate displacement
  if (part_mass>0.) res = part_vec * (lifetime/part_mass);
  //MELAout << "Displacement for id=" << this->id << " = " << res.X() << ", " << res.Y() << ", " << res.Z() << " [mom: " << this->p4 << ", lifetime: " << lifetime << "]" << std::endl;
 
  // Add mother displacement
  if (this->getNMothers()==1) res += this->getMother(0)->calculateTotalDisplacement();
 
  return res;
}

charge()

double MELAParticle::charge

(

)

const

Definition at line 90 of file MELAParticle.cc.

                                {
  double cpos=0;
  if (isAWBoson(id) || abs(id)==37 || abs(id)==2212 || abs(id)==211 || abs(id)==321 || abs(id)==411 || abs(id)==521) cpos = 1.;
  else if (isALepton(id)) cpos = -1.;
  else if (isUpTypeQuark(id)) cpos = 2./3.;
  else if (isDownTypeQuark(id)) cpos = -1./3.;
  if (id<0) cpos *= -1.;
  return cpos;
}

checkDeepDaughtership()

bool MELAParticle::checkDeepDaughtership ( MELAParticle const *  part1, MELAParticle const *  part2  )

static

Definition at line 119 of file MELAParticle.cc.

                                                                                            {
  bool res = false;
  if (!part1 || !part2) return res;
  std::vector<MELAParticle*> daughters1; part1->getDaughterParticles(daughters1);
  std::vector<MELAParticle*> daughters2; part2->getDaughterParticles(daughters2);
  return TUtilHelpers::hasCommonElements(daughters1, daughters2);
}

checkParticleExists()

bool MELAParticle::checkParticleExists ( MELAParticle const *  myParticle, std::vector< MELAParticle * > const &  particleArray  )

static

Definition at line 116 of file MELAParticle.cc.

                                                                                                                   {
  return TUtilHelpers::checkElementExists<MELAParticle const*, MELAParticle*>(myParticle, particleArray);
}

deltaR() [1/3]

double MELAParticle::deltaR ( const MELAParticle &  part ) const

inline

Definition at line 83 of file MELAParticle.h.

{ return deltaR(part.p4); }

deltaR() [2/3]

double MELAParticle::deltaR ( const MELAParticle *  part ) const

inline

Definition at line 84 of file MELAParticle.h.

{ if (part) return deltaR(*part); else return -1; }

deltaR() [3/3]

double MELAParticle::deltaR ( const TLorentzVector &  v ) const

inline

Definition at line 82 of file MELAParticle.h.

{ return p4.DeltaR(v); }

dot() [1/3]

double MELAParticle::dot ( const MELAParticle &  part ) const

inline

Definition at line 77 of file MELAParticle.h.

{ return dot(part.p4); }

dot() [2/3]

double MELAParticle::dot ( const MELAParticle *  part ) const

inline

Definition at line 78 of file MELAParticle.h.

{ if (part) return dot(*part); else return 0; }

dot() [3/3]

double MELAParticle::dot ( const TLorentzVector &  v ) const

inline

Definition at line 76 of file MELAParticle.h.

{ return p4.Dot(v); }

eta()

double MELAParticle::eta ( ) const

inline

Definition at line 73 of file MELAParticle.h.

{ return p4.Eta(); }

euclidean_dot() [1/3]

double MELAParticle::euclidean_dot ( const MELAParticle &  part ) const

inline

Definition at line 80 of file MELAParticle.h.

{ return euclidean_dot(part.p4); }

euclidean_dot() [2/3]

double MELAParticle::euclidean_dot ( const MELAParticle *  part ) const

inline

Definition at line 81 of file MELAParticle.h.

{ if (part) return euclidean_dot(*part); else return 0; }

euclidean_dot() [3/3]

double MELAParticle::euclidean_dot ( const TLorentzVector &  v ) const

inline

Definition at line 79 of file MELAParticle.h.

{ return (p4.Vect().Dot(v.Vect())+p4.T()*v.T()); }

getDaughter()

MELAParticle * MELAParticle::getDaughter

(

int

index

)

const

Definition at line 68 of file MELAParticle.cc.

                                                     {
  if ((int)daughters.size()>index) return daughters.at(index);
  else return 0;
}

getDaughterIds()

std::vector< int > MELAParticle::getDaughterIds ( ) const

virtual

Reimplemented in MELACandidate.

Definition at line 72 of file MELAParticle.cc.

                                                {
  std::vector<int> result;
  for (auto& dau:daughters){ if (dau) result.push_back(dau->id); }
  return result;
}

getDaughterParticles()

void MELAParticle::getDaughterParticles ( std::vector< MELAParticle * > &  particles ) const

virtual

Reimplemented in MELACandidate.

Definition at line 82 of file MELAParticle.cc.

                                                                                {
  for (auto* part:daughters){ if (part) part->getDaughterParticles(particles); }
  if (!checkParticleExists(this, particles)) particles.push_back((MELAParticle*) this); // A particle is its own daughter. This is to ensure that particle chains are reported properly.
}

getDaughters() [1/2]

std::vector<MELAParticle*>& MELAParticle::getDaughters ( )

inline

Definition at line 59 of file MELAParticle.h.

{ return daughters; }

getDaughters() [2/2]

const std::vector<MELAParticle*>& MELAParticle::getDaughters ( ) const

inline

Definition at line 61 of file MELAParticle.h.

{ return daughters; }

getMother()

MELAParticle * MELAParticle::getMother

(

int

index

)

const

Definition at line 64 of file MELAParticle.cc.

                                                   {
  if ((int)mothers.size()>index) return mothers.at(index);
  else return 0;
}

getMothers() [1/2]

std::vector<MELAParticle*>& MELAParticle::getMothers ( )

inline

Definition at line 58 of file MELAParticle.h.

{ return mothers; }

getMothers() [2/2]

const std::vector<MELAParticle*>& MELAParticle::getMothers ( ) const

inline

Definition at line 60 of file MELAParticle.h.

{ return mothers; }

getNDaughters()

int MELAParticle::getNDaughters ( ) const

inline

Definition at line 50 of file MELAParticle.h.

{ return daughters.size(); };

getNMothers()

int MELAParticle::getNMothers ( ) const

inline

Definition at line 49 of file MELAParticle.h.

{ return mothers.size(); };

getRelatedParticles()

void MELAParticle::getRelatedParticles ( std::vector< MELAParticle * > &  particles ) const

virtual

Reimplemented in MELACandidate.

Definition at line 77 of file MELAParticle.cc.

                                                                               {
  for (auto* part:mothers){ if (part) part->getRelatedParticles(particles); }
  for (auto* part:daughters){ if (part) part->getRelatedParticles(particles); }
  if (!checkParticleExists(this, particles)) particles.push_back((MELAParticle*) this);
}

hasDaughter()

bool MELAParticle::hasDaughter

(

MELAParticle const *

part

)

const

Definition at line 88 of file MELAParticle.cc.

{ return MELAParticle::checkParticleExists(part, daughters); }

hasMother()

bool MELAParticle::hasMother

(

MELAParticle const *

part

)

const

Definition at line 87 of file MELAParticle.cc.

{ return MELAParticle::checkParticleExists(part, mothers); }

m()

double MELAParticle::m ( ) const

inline

Definition at line 66 of file MELAParticle.h.

{ return p4.M(); }

operator+=() [1/2]

MELAParticle& MELAParticle::operator+= ( const TLorentzVector &  mom )

inline

Definition at line 93 of file MELAParticle.h.

{ p4 += mom; return *this; }

operator+=() [2/2]

MELAParticle& MELAParticle::operator+= ( MELAParticle *  part )

inline

Definition at line 92 of file MELAParticle.h.

{ if (part){ p4 += part->p4; addDaughter(part); } return *this; }

operator=()

MELAParticle & MELAParticle::operator=

(

const MELAParticle &

particle_

)

Definition at line 46 of file MELAParticle.cc.

                                                                  {
  MELAParticle tmp(particle_);
  swap(tmp);
  return *this;
}

p()

double MELAParticle::p ( ) const

inline

Definition at line 71 of file MELAParticle.h.

{ return p4.P(); }

phi()

double MELAParticle::phi ( ) const

inline

Definition at line 74 of file MELAParticle.h.

{ return p4.Phi(); }

pt()

double MELAParticle::pt ( ) const

inline

Definition at line 72 of file MELAParticle.h.

{ return p4.Pt(); }

rapidity()

double MELAParticle::rapidity ( ) const

inline

Definition at line 75 of file MELAParticle.h.

{ return p4.Rapidity(); }

setGenStatus()

void MELAParticle::setGenStatus ( int  status_ )

inline

Definition at line 43 of file MELAParticle.h.

{ genStatus=status_; }

setLifetime()

void MELAParticle::setLifetime ( double  life_ )

inline

Definition at line 44 of file MELAParticle.h.

{ lifetime=life_; }

setSelected()

void MELAParticle::setSelected ( bool  isSelected = true )

inline

Definition at line 42 of file MELAParticle.h.

{ passSelection = isSelected; }

swap()

void MELAParticle::swap

(

MELAParticle &

particle_

)

Definition at line 52 of file MELAParticle.cc.

                                              {
  std::swap(id, particle_.id);
  std::swap(p4, particle_.p4);
  std::swap(passSelection, particle_.passSelection);
  std::swap(genStatus, particle_.genStatus);
  std::swap(lifetime, particle_.lifetime);
  std::swap(mothers, particle_.mothers);
  std::swap(daughters, particle_.daughters);
}

t()

double MELAParticle::t ( ) const

inline

Definition at line 70 of file MELAParticle.h.

{ return p4.T(); }

vect()

TVector3 MELAParticle::vect ( ) const

inline

Definition at line 86 of file MELAParticle.h.

{ return p4.Vect(); }

x()

double MELAParticle::x ( ) const

inline

Definition at line 67 of file MELAParticle.h.

{ return p4.X(); }

y()

double MELAParticle::y ( ) const

inline

Definition at line 68 of file MELAParticle.h.

{ return p4.Y(); }

z()

double MELAParticle::z ( ) const

inline

Definition at line 69 of file MELAParticle.h.

{ return p4.Z(); }

Member Data Documentation

daughters

std::vector<MELAParticle*> MELAParticle::daughters

protected

Definition at line 25 of file MELAParticle.h.

genStatus

int MELAParticle::genStatus

Definition at line 20 of file MELAParticle.h.

id

int MELAParticle::id

Definition at line 17 of file MELAParticle.h.

lifetime

double MELAParticle::lifetime

Definition at line 21 of file MELAParticle.h.

mothers

std::vector<MELAParticle*> MELAParticle::mothers

protected

Definition at line 24 of file MELAParticle.h.

p4

TLorentzVector MELAParticle::p4

Definition at line 18 of file MELAParticle.h.

passSelection

bool MELAParticle::passSelection

Definition at line 19 of file MELAParticle.h.

---

The documentation for this class was generated from the following files:

• MELA/interface/MELAParticle.h
• MELA/src/MELAParticle.cc