ParticleBase Class Reference

#include <ParticleBase.h>

Inheritance diagram for ParticleBase:

Public Types
typedef int	Charge
	electric charge type More...
typedef math::XYZTLorentzVectorD	LorentzVector
	Lorentz vector. More...
typedef math::XYZPointD	Point
	point in the space More...
typedef math::PtEtaPhiMLorentzVector	PolarLorentzVector
	Lorentz vector. More...
typedef math::XYZVectorD	Vector
	point in the space More...

Public Member Functions
Vector	boostToCM () const
int	charge () const
	electric charge More...
double	energy () const
	energy More...
double	et () const
	transverse energy More...
double	eta () const
	momentum pseudorapidity More...
bool	longLived () const
	is long lived? More...
double	mass () const
	mass More...
double	massSqr () const
	mass squared More...
Vector	momentum () const
	spatial momentum vector More...
double	mt () const
	transverse mass More...
double	mtSqr () const
	transverse mass squared More...
double	p () const
	magnitude of momentum vector More...
const LorentzVector &	p4 () const
	four-momentum Lorentz vector More...
	ParticleBase ()
	default constructor More...
	ParticleBase (Charge q, const LorentzVector &p4, const Point &vertex=Point(0, 0, 0), int pdgId=0, int status=0, bool integerCharge=true)
	constructor from values More...
	ParticleBase (Charge q, const PolarLorentzVector &p4, const Point &vertex=Point(0, 0, 0), int pdgId=0, int status=0, bool integerCharge=true)
	constructor from values More...
int	pdgId () const
	PDG identifier. More...
double	phi () const
	momentum azimuthal angle More...
const PolarLorentzVector &	polarP4 () const
	four-momentum Lorentz vector More...
double	pt () const
	transverse momentum More...
double	px () const
	x coordinate of momentum vector More...
double	py () const
	y coordinate of momentum vector More...
double	pz () const
	z coordinate of momentum vector More...
double	rapidity () const
	repidity More...
void	setCharge (Charge q)
	set electric charge More...
void	setLongLived ()
	set long lived flag More...
void	setMass (double m)
	set particle mass More...
void	setP4 (const LorentzVector &p4)
	set 4-momentum More...
void	setP4 (const PolarLorentzVector &p4)
	set 4-momentum More...
void	setPdgId (int pdgId)
void	setPz (double pz)
void	setStatus (int status)
	set status word More...
void	setThreeCharge (Charge qx3)
	set electric charge More...
void	setVertex (const Point &vertex)
	set vertex More...
int	status () const
	status word More...
double	theta () const
	momentum polar angle More...
int	threeCharge () const
	electric charge More...
const Point &	vertex () const
	vertex position More...
double	vx () const
	x coordinate of vertex position More...
double	vy () const
	y coordinate of vertex position More...
double	vz () const
	z coordinate of vertex position More...
double	y () const
	repidity More...
virtual	~ParticleBase ()
	destructor More...

Static Public Attributes
static const unsigned int	longLivedTag = 65536
	long lived flag More...

Protected Member Functions
void	cacheCartesian () const
	set internal cache More...
void	cachePolar () const
	set internal cache More...
void	clearCache () const
	clear internal cache More...

Protected Attributes
bool	cacheCartesianFixed_
bool	cachePolarFixed_
	has cache been set? More...
float	eta_
float	mass_
LorentzVector	p4Cartesian_
	internal cache for p4 More...
PolarLorentzVector	p4Polar_
	internal cache for p4 More...
int	pdgId_
	PDG identifier. More...
float	phi_
float	pt_
	four-momentum Lorentz vector More...
Charge	qx3_
	electric charge More...
int	status_
	status word More...
Point	vertex_
	vertex position More...

Detailed Description

Definition at line 18 of file ParticleBase.h.

Member Typedef Documentation

typedef int ParticleBase::Charge

electric charge type

Definition at line 22 of file ParticleBase.h.

typedef math::XYZTLorentzVectorD ParticleBase::LorentzVector

Lorentz vector.

Definition at line 24 of file ParticleBase.h.

typedef math::XYZPointD ParticleBase::Point

point in the space

Definition at line 28 of file ParticleBase.h.

typedef math::PtEtaPhiMLorentzVector ParticleBase::PolarLorentzVector

Lorentz vector.

Definition at line 26 of file ParticleBase.h.

typedef math::XYZVectorD ParticleBase::Vector

point in the space

Definition at line 30 of file ParticleBase.h.

Constructor & Destructor Documentation

ParticleBase::ParticleBase ( )

inline

default constructor

Definition at line 32 of file ParticleBase.h.

: cachePolarFixed_( false ), cacheCartesianFixed_( false ) { }

ParticleBase::ParticleBase ( Charge  q, const LorentzVector &  p4, const Point &  vertex = Point( 0, 0, 0 ), int  pdgId = 0, int  status = 0, bool  integerCharge = true  )

inline

constructor from values

Definition at line 34 of file ParticleBase.h.

References qx3_.

                                                                             :
            qx3_( q ), pt_( p4.pt() ), eta_( p4.eta() ), phi_( p4.phi() ), mass_( p4.mass() ),
            vertex_( vertex ), pdgId_( pdgId ), status_( status ),
            cachePolarFixed_( false ), cacheCartesianFixed_( false )
    {
        if ( integerCharge ) qx3_ *= 3;
    }

ParticleBase::ParticleBase ( Charge  q, const PolarLorentzVector &  p4, const Point &  vertex = Point( 0, 0, 0 ), int  pdgId = 0, int  status = 0, bool  integerCharge = true  )

inline

constructor from values

Definition at line 43 of file ParticleBase.h.

References qx3_.

                                                                             :
            qx3_( q ), pt_( p4.pt() ), eta_( p4.eta() ), phi_( p4.phi() ), mass_( p4.mass() ),
            vertex_( vertex ), pdgId_( pdgId ), status_( status ),
            cachePolarFixed_( false ), cacheCartesianFixed_( false )
    {
        if ( integerCharge ) qx3_ *= 3;
    }

virtual ParticleBase::~ParticleBase ( )

inlinevirtual

destructor

Definition at line 52 of file ParticleBase.h.

{ }

Member Function Documentation

Vector ParticleBase::boostToCM ( ) const

inline

boost vector to boost a Lorentz vector to the particle center of mass system

Definition at line 93 of file ParticleBase.h.

References cacheCartesian(), and p4Cartesian_.

    {
        cacheCartesian();
        return p4Cartesian_.BoostToCM();
    }

void ParticleBase::cacheCartesian ( ) const

inlineprotected

set internal cache

Definition at line 310 of file ParticleBase.h.

References cacheCartesianFixed_, cachePolar(), p4Cartesian_, and p4Polar_.

Referenced by boostToCM(), energy(), momentum(), p(), p4(), px(), py(), pz(), setPz(), and theta().

    {
        if ( cacheCartesianFixed_ ) return;
        cachePolar();
        p4Cartesian_ = p4Polar_;
        cacheCartesianFixed_ = true;
    }

void ParticleBase::cachePolar ( ) const

inlineprotected

set internal cache

Definition at line 303 of file ParticleBase.h.

References cachePolarFixed_, eta_, mass_, p4Polar_, phi_, and pt_.

Referenced by cacheCartesian(), et(), mt(), mtSqr(), polarP4(), and rapidity().

    {
        if ( cachePolarFixed_ ) return;
        p4Polar_ = PolarLorentzVector( pt_, eta_, phi_, mass_ );
        cachePolarFixed_ = true;
    }

int ParticleBase::charge ( void  ) const

inline

electric charge

Definition at line 54 of file ParticleBase.h.

References qx3_.

Referenced by FWTrackingParticleProxyBuilder::build(), MuonMCClassifier::convertAndPush(), RecoMuonValidator::MuonME::fill(), CosmicParametersDefinerForTP::momentum(), ParametersDefinerForTP::momentum(), TrackingParticleSelector::operator()(), CosmicTrackingParticleSelector::operator()(), operator<<(), ShallowSimTracksProducer::produce(), RecoTracktoTP::s_qoverp(), TPtoRecoTrack::s_qoverp(), CosmicParametersDefinerForTP::vertex(), and ParametersDefinerForTP::vertex().

    {
        return qx3_ / 3;
    }

void ParticleBase::clearCache ( ) const

inlineprotected

clear internal cache

Definition at line 318 of file ParticleBase.h.

References cacheCartesianFixed_, and cachePolarFixed_.

Referenced by setMass().

    {
        cachePolarFixed_ = false;
        cacheCartesianFixed_ = false;
    }

double ParticleBase::energy ( void  ) const

inline

energy

Definition at line 105 of file ParticleBase.h.

References cacheCartesian(), and p4Cartesian_.

    {
        cacheCartesian();
        return p4Cartesian_.E();
    }

double ParticleBase::et ( ) const

inline

transverse energy

Definition at line 111 of file ParticleBase.h.

References cachePolar(), and p4Polar_.

    {
        cachePolar();
        return p4Polar_.Et();
    }

double ParticleBase::eta ( void  ) const

inline

momentum pseudorapidity

Definition at line 173 of file ParticleBase.h.

References eta_.

Referenced by RecoMuonValidator::MuonME::fill(), and ShallowSimTracksProducer::produce().

    {
        return eta_;
    }

bool ParticleBase::longLived ( ) const

inline

is long lived?

Definition at line 280 of file ParticleBase.h.

References longLivedTag, and status_.

    {
        return status_ & longLivedTag;
    }

double ParticleBase::mass ( ) const

inline

mass

Definition at line 117 of file ParticleBase.h.

References mass_.

    {
        return mass_;
    }

double ParticleBase::massSqr ( ) const

inline

mass squared

Definition at line 122 of file ParticleBase.h.

References mass_.

    {
        return mass_ * mass_;
    }

Vector ParticleBase::momentum ( ) const

inline

spatial momentum vector

Definition at line 86 of file ParticleBase.h.

References cacheCartesian(), and p4Cartesian_.

Referenced by MultiTrackValidator::analyze(), V0Validator::analyze(), MuonTrackValidator::analyze(), RecoMuonValidator::MuonME::fill(), ParametersDefinerForTP::momentum(), TrackingParticleSelector::operator()(), and ParametersDefinerForTP::vertex().

    {
        cacheCartesian();
        return p4Cartesian_.Vect();
    }

double ParticleBase::mt ( ) const

inline

transverse mass

Definition at line 127 of file ParticleBase.h.

References cachePolar(), and p4Polar_.

    {
        cachePolar();
        return p4Polar_.Mt();
    }

double ParticleBase::mtSqr ( ) const

inline

transverse mass squared

Definition at line 133 of file ParticleBase.h.

References cachePolar(), and p4Polar_.

    {
        cachePolar();
        return p4Polar_.Mt2();
    }

double ParticleBase::p ( ) const

inline

magnitude of momentum vector

Definition at line 99 of file ParticleBase.h.

References cacheCartesian(), and p4Cartesian_.

Referenced by RecoMuonValidator::MuonME::fill(), and ShallowSimTracksProducer::produce().

    {
        cacheCartesian();
        return p4Cartesian_.P();
    }

const LorentzVector& ParticleBase::p4 ( ) const

inline

four-momentum Lorentz vector

Definition at line 74 of file ParticleBase.h.

References cacheCartesian(), and p4Cartesian_.

Referenced by MuonMCClassifier::convertAndPush(), operator<<(), and setP4().

    {
        cacheCartesian();
        return p4Cartesian_;
    }

int ParticleBase::pdgId ( ) const

inline

PDG identifier.

Definition at line 253 of file ParticleBase.h.

References pdgId_.

Referenced by setPdgId().

    {
        return pdgId_;
    }

double ParticleBase::phi ( void  ) const

inline

momentum azimuthal angle

Definition at line 162 of file ParticleBase.h.

References phi_.

Referenced by RecoMuonValidator::MuonME::fill(), and ShallowSimTracksProducer::produce().

    {
        return phi_;
    }

const PolarLorentzVector& ParticleBase::polarP4 ( ) const

inline

four-momentum Lorentz vector

Definition at line 80 of file ParticleBase.h.

References cachePolar(), and p4Polar_.

    {
        cachePolar();
        return p4Polar_;
    }

double ParticleBase::pt ( ) const

inline

transverse momentum

Definition at line 157 of file ParticleBase.h.

References pt_.

Referenced by RecoMuonValidator::MuonME::fill(), and ShallowSimTracksProducer::produce().

    {
        return pt_;
    }

double ParticleBase::px ( ) const

inline

x coordinate of momentum vector

Definition at line 139 of file ParticleBase.h.

References cacheCartesian(), and p4Cartesian_.

Referenced by FWTrackingParticleProxyBuilder::build().

    {
        cacheCartesian();
        return p4Cartesian_.Px();
    }

double ParticleBase::py ( ) const

inline

y coordinate of momentum vector

Definition at line 145 of file ParticleBase.h.

References cacheCartesian(), and p4Cartesian_.

Referenced by FWTrackingParticleProxyBuilder::build().

    {
        cacheCartesian();
        return p4Cartesian_.Py();
    }

double ParticleBase::pz ( ) const

inline

z coordinate of momentum vector

Definition at line 151 of file ParticleBase.h.

References cacheCartesian(), and p4Cartesian_.

Referenced by FWTrackingParticleProxyBuilder::build().

    {
        cacheCartesian();
        return p4Cartesian_.Pz();
    }

double ParticleBase::rapidity ( ) const

inline

repidity

Definition at line 178 of file ParticleBase.h.

References cachePolar(), and p4Polar_.

Referenced by y().

    {
        cachePolar();
        return p4Polar_.Rapidity();
    }

void ParticleBase::setCharge ( Charge  q )

inline

set electric charge

Definition at line 59 of file ParticleBase.h.

References qx3_.

    {
        qx3_ = q * 3;
    }

void ParticleBase::setLongLived ( )

inline

set long lived flag

Definition at line 275 of file ParticleBase.h.

References longLivedTag, and status_.

    {
        status_ |= longLivedTag;
    }

void ParticleBase::setMass ( double  m )

inline

set particle mass

Definition at line 212 of file ParticleBase.h.

References clearCache(), m, and mass_.

    {
        mass_ = m;
        clearCache();
    }

void ParticleBase::setP4 ( const LorentzVector &  p4 )

inline

set 4-momentum

Definition at line 189 of file ParticleBase.h.

References cacheCartesianFixed_, cachePolarFixed_, eta_, mass_, p4(), p4Cartesian_, p4Polar_, phi_, and pt_.

    {
        p4Cartesian_ = p4;
        p4Polar_ = p4;
        pt_ = p4Polar_.pt();
        eta_ = p4Polar_.eta();
        phi_ = p4Polar_.phi();
        mass_ = p4Polar_.mass();
        cachePolarFixed_ = true;
        cacheCartesianFixed_ = true;
    }

void ParticleBase::setP4 ( const PolarLorentzVector &  p4 )

inline

set 4-momentum

Definition at line 201 of file ParticleBase.h.

References cacheCartesianFixed_, cachePolarFixed_, eta_, mass_, p4(), p4Polar_, phi_, and pt_.

    {
        p4Polar_ = p4;
        pt_ = p4Polar_.pt();
        eta_ = p4Polar_.eta();
        phi_ = p4Polar_.phi();
        mass_ = p4Polar_.mass();
        cachePolarFixed_ = true;
        cacheCartesianFixed_ = false;
    }

void ParticleBase::setPdgId ( int  pdgId )

inline

Definition at line 258 of file ParticleBase.h.

References pdgId(), and pdgId_.

    {
        pdgId_ = pdgId;
    }

void ParticleBase::setPz ( double  pz )

inline

Definition at line 217 of file ParticleBase.h.

References cacheCartesian(), eta_, mass_, p4Cartesian_, p4Polar_, phi_, and pt_.

    {
        cacheCartesian();
        p4Cartesian_.SetPz(pz);
        p4Polar_ = p4Cartesian_;
        pt_ = p4Polar_.pt();
        eta_ = p4Polar_.eta();
        phi_ = p4Polar_.phi();
        mass_ = p4Polar_.mass();
    }

void ParticleBase::setStatus ( int  status )

inline

set status word

Definition at line 268 of file ParticleBase.h.

References status(), and status_.

    {
        status_ = status;
    }

void ParticleBase::setThreeCharge ( Charge  qx3 )

inline

set electric charge

Definition at line 69 of file ParticleBase.h.

References qx3_.

    {
        qx3_ = qx3;
    }

void ParticleBase::setVertex ( const Point &  vertex )

inline

set vertex

Definition at line 248 of file ParticleBase.h.

References vertex(), and vertex_.

Referenced by TrackingParticle::setVertex().

    {
        vertex_ = vertex;
    }

int ParticleBase::status ( void  ) const

inline

status word

Definition at line 263 of file ParticleBase.h.

References status_.

Referenced by MuonMCClassifier::convertAndPush(), TrackingParticleSelector::operator()(), and setStatus().

    {
        return status_;
    }

double ParticleBase::theta ( void  ) const

inline

momentum polar angle

Definition at line 167 of file ParticleBase.h.

References cacheCartesian(), and p4Cartesian_.

Referenced by ShallowSimTracksProducer::produce().

    {
        cacheCartesian();
        return p4Cartesian_.Theta();
    }

int ParticleBase::threeCharge ( ) const

inline

electric charge

Definition at line 64 of file ParticleBase.h.

References qx3_.

    {
        return qx3_;
    }

const Point& ParticleBase::vertex ( ) const

inline

vertex position

Definition at line 228 of file ParticleBase.h.

References vertex_.

Referenced by MultiTrackValidator::analyze(), V0Validator::analyze(), MuonTrackValidator::analyze(), MuonMCClassifier::convertAndPush(), RecoMuonValidator::MuonME::fill(), ParametersDefinerForTP::momentum(), TrackingParticleSelector::operator()(), operator<<(), setVertex(), and ParametersDefinerForTP::vertex().

    {
        return vertex_;
    }

double ParticleBase::vx ( ) const

inline

x coordinate of vertex position

Definition at line 233 of file ParticleBase.h.

References vertex_.

Referenced by FWTrackingParticleProxyBuilder::build().

    {
        return vertex_.X();
    }

double ParticleBase::vy ( ) const

inline

y coordinate of vertex position

Definition at line 238 of file ParticleBase.h.

References vertex_.

Referenced by FWTrackingParticleProxyBuilder::build().

    {
        return vertex_.Y();
    }

double ParticleBase::vz ( ) const

inline

z coordinate of vertex position

Definition at line 243 of file ParticleBase.h.

References vertex_.

Referenced by FWTrackingParticleProxyBuilder::build().

    {
        return vertex_.Z();
    }

double ParticleBase::y ( ) const

inline

repidity

Definition at line 184 of file ParticleBase.h.

References rapidity().

Referenced by svgfig.Ellipse::__repr__(), Vispa.Gui.WidgetContainer.WidgetContainer::autosize(), Vispa.Gui.VispaWidget.VispaWidget::boundingRect(), geometryXMLparser.Alignable::pos(), and Vispa.Gui.ConnectableWidget.ConnectableWidget::positionizeMenuWidget().

    {
        return rapidity();
    }

Member Data Documentation

bool ParticleBase::cacheCartesianFixed_

mutableprotected

Definition at line 301 of file ParticleBase.h.

Referenced by cacheCartesian(), clearCache(), and setP4().

bool ParticleBase::cachePolarFixed_

mutableprotected

has cache been set?

Definition at line 301 of file ParticleBase.h.

Referenced by cachePolar(), clearCache(), and setP4().

float ParticleBase::eta_

protected

Definition at line 289 of file ParticleBase.h.

Referenced by cachePolar(), eta(), setP4(), and setPz().

const unsigned int ParticleBase::longLivedTag = 65536

static

long lived flag

Definition at line 273 of file ParticleBase.h.

Referenced by longLived(), and setLongLived().

float ParticleBase::mass_

protected

Definition at line 289 of file ParticleBase.h.

Referenced by cachePolar(), mass(), massSqr(), setMass(), setP4(), and setPz().

LorentzVector ParticleBase::p4Cartesian_

mutableprotected

internal cache for p4

Definition at line 299 of file ParticleBase.h.

Referenced by boostToCM(), cacheCartesian(), energy(), momentum(), p(), p4(), px(), py(), pz(), setP4(), setPz(), and theta().

PolarLorentzVector ParticleBase::p4Polar_

mutableprotected

internal cache for p4

Definition at line 297 of file ParticleBase.h.

Referenced by cacheCartesian(), cachePolar(), et(), mt(), mtSqr(), polarP4(), rapidity(), setP4(), and setPz().

int ParticleBase::pdgId_

protected

PDG identifier.

Definition at line 293 of file ParticleBase.h.

Referenced by pdgId(), and setPdgId().

float ParticleBase::phi_

protected

Definition at line 289 of file ParticleBase.h.

Referenced by cachePolar(), phi(), setP4(), and setPz().

float ParticleBase::pt_

protected

four-momentum Lorentz vector

Definition at line 289 of file ParticleBase.h.

Referenced by cachePolar(), pt(), setP4(), and setPz().

Charge ParticleBase::qx3_

protected

electric charge

Definition at line 287 of file ParticleBase.h.

Referenced by charge(), ParticleBase(), setCharge(), setThreeCharge(), and threeCharge().

int ParticleBase::status_

protected

status word

Definition at line 295 of file ParticleBase.h.

Referenced by longLived(), setLongLived(), setStatus(), and status().

Point ParticleBase::vertex_

protected

vertex position

Definition at line 291 of file ParticleBase.h.

Referenced by setVertex(), vertex(), vx(), vy(), and vz().