#include <StMuTrack.h>

Inheritance diagram for StMuTrack:

Public Member Functions
	StMuTrack (const StEvent , const StTrack , const StVertex , Int_t index2Global=-2, Int_t index2RichSpectra=-2, Bool_t l3=false, TObjArray vtx_list=0)
	default constructor More...

short	id () const
	Returns the track id(or key), is unique for a track node, i.e. global and primary tracks have the same id.

short	type () const
	Returns the track type: 0=global, 1=primary, etc (see StEvent manual for type information)

short	flag () const
	Returns flag, (see StEvent manual for type information)

UInt_t	flagExtension () const

Int_t	bad () const

Int_t	index2Global () const
	Returns index of associated global track. If not in order can be set with StMuDst::fixTrackIndeces() (but is taken care of in StMuDstReader.)

Int_t	index2Cov () const

Int_t	index2RichSpectra () const
	Returns index of associated rich spectra.

Int_t	index2BTofHit () const

Int_t	index2ETofHit () const
	dongx

Int_t	index2MtdHit () const

Int_t	vertexIndex () const
	Returns index of associated primary vertex.

void	setVertexIndex (Int_t i)
	Set index of primary vertex for which dca is stored.

const StMuTrack *	globalTrack () const
	Returns pointer to associated global track. Null pointer if no global track available.

const StMuTrack *	primaryTrack () const
	Returns pointer to associated primary track. Null pointer if no global track available.

const StRichSpectra *	richSpectra () const
	Returns pointer to associated rich spectra. Null pointer if no global track available.

const StMuBTofHit *	tofHit () const

const StMuETofHit *	etofHit () const
	dongx

const StMuMtdHit *	mtdHit () const

UShort_t	nHits () const
	Bingchu. More...

UShort_t	nHitsPoss () const
	Return number of possible hits on track.

UShort_t	nHitsPoss (StDetectorId) const
	Return number of possible hits on track.

UShort_t	nHitsDedx () const
	Return number of hits used for dEdx.

UShort_t	nHitsFit () const
	Return total number of hits used in fit.

UShort_t	nHitsFit (StDetectorId) const
	Return number of hits used in fit.

Double_t	pidProbElectron () const
	Returns Aihong's probability of being an electron.

Double_t	pidProbPion () const
	Returns Aihong's probability of being a pion.

Double_t	pidProbKaon () const
	Returns Aihong's probability of being a kaon.

Double_t	pidProbProton () const
	Returns Aihong's probability of being a proton.

Double_t	nSigmaElectron () const
	Returns Craig's distance to the calculated dE/dx band for electrons in units of sigma.

Double_t	nSigmaPion () const
	Returns Craig's distance to the calculated dE/dx band for pions in units of sigma.

Double_t	nSigmaKaon () const
	Returns Craig's distance to the calculated dE/dx band for kaons in units of sigma.

Double_t	nSigmaProton () const
	Returns Craig's distance to the calculated dE/dx band for protons in units of sigma.

Double_t	dEdxPull (Double_t mass, Bool_t fit=kFALSE, Int_t charge=1) const

Double_t	dEdxPullElectronI70 () const

Double_t	dEdxPullPionI70 () const

Double_t	dEdxPullKaonI70 () const

Double_t	dEdxPullProtonI70 () const

Double_t	dEdxPullElectronFit () const

Double_t	dEdxPullPionFit () const

Double_t	dEdxPullKaonFit () const

Double_t	dEdxPullProtonFit () const

Double_t	nSigmaElectron70 () const

Double_t	nSigmaPion70 () const

Double_t	nSigmaKaon70 () const

Double_t	nSigmaProton70 () const

Double_t	nSigmaElectronFit () const

Double_t	nSigmaPionFit () const

Double_t	nSigmaKaonFit () const

Double_t	nSigmaProtonFit () const

Double_t	dEdx () const
	Returns measured dE/dx value.

Double_t	chi2 () const
	Returns chi2 of fit.

Double_t	chi2prob () const
	Returns probability of fit.

Double_t	chi2xy () const
	Returns chi2 of fit. ATTENTIONS: does not return xy chi2 (historic)

Double_t	chi2z () const
	Returns probability of fit. ATTENTIONS: does not return z chi2 (historic)

Double_t	pt () const
	Returns pT at point of dca to primary vertex.

Double_t	phi () const
	Returns phi at point of dca to primary vertex.

Double_t	eta () const
	Returns pseudo rapidity at point of dca to primary vertex.

Double_t	length () const
	Returns length of track (cm) from primary vertex to last measured point.

Double_t	lengthMeasured () const
	Returns length of track (cm) from first to last measured point.

StTrackTopologyMap	topologyMap () const
	Returns topology map.

Short_t	charge () const
	Returns charge.

const StThreeVectorF &	p () const
	Returns 3-momentum at dca to primary vertex.

const StThreeVectorF &	momentum () const
	Returns 3-momentum at dca to primary vertex.

StThreeVectorF	dca (Int_t vtx_id=-1) const
	Returns 3D distance of closest approach to primary vertex.

StThreeVectorF	dcaGlobal (Int_t vtx_id=-1) const
	Returns 3D distance of closest approach to primary vertex of associated global track.

Float_t	dcaD (Int_t vtx_id=-1) const
	Signed radial component of global DCA (projected)

Float_t	dcaZ (Int_t vtx_id=-1) const
	Z component of global DCA.

const StThreeVectorF &	firstPoint () const
	Returns positions of first measured point.

const StThreeVectorF &	lastPoint () const
	Returns positions of last measured point.

StPhysicalHelixD	helix () const
	Returns inner helix (first measured point)

StPhysicalHelixD	outerHelix () const
	Returns outer helix (last measured point)

const StMuHelix &	muHelix () const
	Returns inner helix (first measured point)

const StMuHelix &	muOuterHelix () const
	Returns outer helix (last measured point)

const StMuProbPidTraits &	probPidTraits () const
	Returns Yuri Fisyak new pid probabilities.

const StMuBTofPidTraits &	btofPidTraits () const

const StMuETofPidTraits &	etofPidTraits () const
	dongx

const StMuMtdPidTraits &	mtdPidTraits () const

void	setBTofPidTraits (const StMuBTofPidTraits &pid)

void	setETofPidTraits (const StMuETofPidTraits &pid)
	dongx

void	setMtdPidTraits (const StMuMtdPidTraits &pid)

virtual void	Print (Option_t *option="") const
	Print track info.

void	setIndex2BTofHit (Int_t i)

void	setIndex2ETofHit (Int_t i)
	dongx

void	setIndex2MtdHit (Int_t i)

void	setIndex2Cov (Int_t i)
	Bingchu. More...

TArrayI	getTower (Bool_t useExitRadius=false, Int_t det=1) const

Double_t	energyBEMC () const

Bool_t	matchBEMC () const

Int_t	idTruth () const

Int_t	qaTruth () const

Int_t	idParentVx () const

void	setType (short type)

void	setIdTruth (Int_t idtru, Int_t qatru=0)

void	setIdParentVx (Int_t Id)

Static Public Member Functions
static void	setProbabilityPidAlgorithm (StuProbabilityPidAlgorithm *)
	Sets the StuProbabilityPidAlgorithm. Important in order to calculate Aihong's pids. More...

static void	setProbabilityPidCentrality (Double_t cent)
	Sets the centrality for calculating Aihong's pid.

Protected Member Functions
void	setIndex2Global (Int_t i)
	Set index of associated global track.

void	setIndex2RichSpectra (Int_t i)
	Set index of associated rich spectra.

StThreeVectorF	dca (const StThreeVectorF &pos) const
	Calculate dca to a given point.

StThreeVectorD	dca (const StTrack , const StVertex vertex) const
	Helper function: Calculates dca from a given StTrack and the primary vertex taken from StEvent.

StThreeVectorD	momentumAtPrimaryVertex (const StEvent event, const StTrack track, const StVertex *vertex) const
	Helper function: Calculates the momentum at dca a given StTrack and the primary vertex taken from StEvent.

void	fillMuProbPidTraits (const StEvent , const StTrack )
	Helper function to fill all the different pid values.

void	fillMuBTofPidTraits (const StTrack *)

void	fillMuETofPidTraits (const StTrack *)
	dongx

void	fillMuMtdPidTraits (const StTrack *)

Protected Attributes
Int_t	mId

Short_t	mType

Short_t	mFlag

UInt_t	mFlagExtension

Int_t	mIndex2Global

Int_t	mIndex2RichSpectra

Int_t	mIndex2BTofHit

Int_t	mIndex2MtdHit

Int_t	mVertexIndex

UChar_t	mNHits

UChar_t	mNHitsPoss

UChar_t	mNHitsDedx

UChar_t	mNHitsFit

UChar_t	mNHitsPossInner

UChar_t	mNHitsFitInner

UChar_t	mNHitsPossTpc

UChar_t	mNHitsFitTpc

UShort_t	mPidProbElectron

UShort_t	mPidProbPion

UShort_t	mPidProbKaon

UShort_t	mPidProbProton

Int_t	mNSigmaElectron

Int_t	mNSigmaPion

Int_t	mNSigmaKaon

Int_t	mNSigmaProton

Float_t	mdEdx

Float_t	mChiSqXY

Float_t	mChiSqZ

Float_t	mPt

Float_t	mEta

Float_t	mPhi

StTrackTopologyMap	mTopologyMap

StThreeVectorF	mP

StThreeVectorF	mDCA

StThreeVectorF	mDCAGlobal

StThreeVectorF	mFirstPoint

StThreeVectorF	mLastPoint

StMuHelix	mHelix

StMuHelix	mOuterHelix

StMuProbPidTraits	mProbPidTraits
	Class holding the new Yuri Fisyak pid probabilities.

StMuBTofPidTraits	mBTofPidTraits

StMuMtdPidTraits	mMtdPidTraits
	dongx

Int_t	mIndex2Cov
	Bingchu.

Int_t	mIndex2ETofHit

StMuETofPidTraits	mETofPidTraits

UShort_t	mIdTruth

UShort_t	mQuality

Int_t	mIdParentVx

Static Protected Attributes
static StuProbabilityPidAlgorithm *	mProbabilityPidAlgorithm =0
	Bingchu. More...

static Double_t	mProbabilityPidCentrality =0
	Centrality for Aihong's pid prob calculations. Will set when new StMuEvent is made from StEvent.

Friends
class	StMuDst

class	StMuDstFilterMaker

class	StMuMomentumShiftMaker

Detailed Description

Class holding the track properties All unitis are in standard STAR units: GeV,cm Please keep in mind, for primary tracks the first measured point is the primary vertex. This affects dca, length calculations, inner helix.

Definition at line 55 of file StMuTrack.h.

Constructor & Destructor Documentation

StMuTrack::StMuTrack	(	const StEvent *	event,
		const StTrack *	track,
		const StVertex *	vertex,
		Int_t	index2Global = `-2`,
		Int_t	index2RichSpectra = `-2`,
		Bool_t	l3 = `false`,
		TObjArray *	vtx_list = `0`
	)