StXiMuDst Class Reference

#include <StXiMuDst.hh>

Inheritance diagram for StXiMuDst:

Public Member Functions
	StXiMuDst (StXiVertex *x1, StV0Vertex *v1, StStrangeEvMuDst *e1)
void	Fill (StXiVertex *, StV0Vertex *, StStrangeEvMuDst *)
Int_t	charge () const
	Particle charge.
Float_t	decayVertexXiX () const
Float_t	decayVertexXiY () const
Float_t	decayVertexXiZ () const
	Coordinates of decay vertex.
virtual Float_t	decayLengthV0 () const
	3-d decay distance of V0 from Xi
Float_t	dcaXiDaughters () const
	DCA of xi daughters at decay vertex.
Float_t	dcaBachelorToPrimVertex () const
	DCA of bachelor to primary vertex.
Float_t	dcaXiToPrimVertex () const
	DCA of xi to primary vertex.
Float_t	momBachelorX () const
Float_t	momBachelorY () const
Float_t	momBachelorZ () const
	Momentum components of bachelor.
Int_t	keyBachelor () const
	Bachelor track key.
StTrackTopologyMap &	topologyMapBachelor ()
	Bachelor track topology map.
TVector3	momXi ()
	Momentum of Xi/Omega at decay vertex.
Float_t	momXiX ()
Float_t	momXiY ()
Float_t	momXiZ ()
	Momentum components of Xi/Omega at decay vertex.
TVector3	momXiAtPrimVertex ()
	Momentum of Xi/Omega at primary vertex.
Float_t	momXiAtPrimVertexX ()
Float_t	momXiAtPrimVertexY ()
Float_t	momXiAtPrimVertexZ ()
	Momentum components of Xi/Omega at primary vertex.
Float_t	chi2Xi () const
	Chi square of Xi (used only by MuDst)
Float_t	clXi () const
	Confidence level of Xi.
Float_t	chi2Bachelor () const
	Chi square of bachelor.
Float_t	clBachelor () const
	Confidence level of bachelor.
void	setBachelorBad ()
	Set the bachelor as bad.
Long_t	detectorIdXi ()
	Detector ID for Xi vertex.
virtual Long_t	detectorIdPars ()
	Detector ID for pars used in V0 finder.
Float_t	dedxBachelor () const
	dE/dX of bachelor
Float_t	errDedxBachelor () const
	Error on mean of dE/dX of bachelor.
UShort_t	numDedxBachelor () const
	Number of dE/dX points for bachelor.
Float_t	lenDedxBachelor () const
	Length of dE/dX track for bachelor.
StPhysicalHelixD &	helixXi ()
Public Member Functions inherited from StV0MuDst
	StV0MuDst (StV0Vertex *, StStrangeEvMuDst *)
void	Fill (StV0Vertex *, StStrangeEvMuDst *)
Float_t	decayVertexV0X () const
Float_t	decayVertexV0Y () const
Float_t	decayVertexV0Z () const
	Coordinates of decay vertex.
Float_t	dcaV0Daughters () const
	DCA of v0 daughters at decay vertex.
Float_t	dcaV0ToPrimVertex () const
	DCA of v0 to primary vertex.
Float_t	dcaPosToPrimVertex () const
	DCA of pos v0 daughter to pri vertex.
Float_t	dcaNegToPrimVertex () const
	DCA of neg v0 daughter to pri vertex.
Float_t	momPosX () const
Float_t	momPosY () const
Float_t	momPosZ () const
	Momentum components of pos. daughter.
Float_t	momNegX () const
Float_t	momNegY () const
Float_t	momNegZ () const
	Momentum components of neg. daughter.
StTrackTopologyMap &	topologyMapPos ()
	Pos. daughter track topology map.
StTrackTopologyMap &	topologyMapNeg ()
	Neg. daughter track topology map.
Int_t	keyPos () const
	Pos. daughter track key.
Int_t	keyNeg () const
	Neg. daughter track key.
Float_t	momV0X () const
Float_t	momV0Y () const
Float_t	momV0Z () const
	Momentum components of V0.
Float_t	chi2V0 () const
	Chi square of V0.
Float_t	clV0 () const
	Confidence level of V0.
Float_t	chi2Pos () const
	Chi square of pos. daughter.
Float_t	clPos () const
	Confidence level of pos. daughter.
Float_t	chi2Neg () const
	Chi square of neg. daughter.
Float_t	clNeg () const
	Confidence level of neg. daughter.
void	setPosBad ()
	Set the pos. daughter as bad.
void	setNegBad ()
	Set the neg. daughter as bad.
Long_t	detectorIdV0 ()
	Detector ID for V0 Vertex.
Float_t	dedxPos () const
	dE/dX of pos. daughter
Float_t	dedxNeg () const
	dE/dX of neg. daughter
Float_t	errDedxPos () const
	Error on mean of dE/dX of pos. daughter.
Float_t	errDedxNeg () const
	Error on mean of dE/dX of neg. daughter.
UShort_t	numDedxPos () const
	Number of dE/dX points for pos. daughter.
UShort_t	numDedxNeg () const
	Number of dE/dX points for neg. daughter.
Float_t	lenDedxPos () const
	Length of dE/dX track of pos. daughter.
Float_t	lenDedxNeg () const
	Length of dE/dX track of neg. daughter.
Public Member Functions inherited from StV0I
virtual void	Clear ()
StStrangeEvMuDst *	event ()
	Pointer to event information.
virtual void	SetEvent (StStrangeEvMuDst *)
	Set pointer to event information.
Float_t	alphaV0 ()
Float_t	ptArmV0 ()
	Armenteros-Podolanski variables.
Float_t	cTauLambda ()
	Lifetime (ctau) assuming (anti)lambda.
Float_t	cTauK0Short ()
	Lifetime (ctau) assuming k-short.
TVector3	momPos ()
	Momentum of pos. daughter.
TVector3	momNeg ()
	Momentum of neg. daughter.
TVector3	momV0 ()
	Momentum of V0.
Float_t	ptV0 ()
	Transverse momentum.
Float_t	ptPos ()
	Transverse momentum of pos. daughter.
Float_t	ptNeg ()
	Transverse momentum of neg. daughter.
Float_t	ptotV0 ()
	Total momentum.
Float_t	ptotPos ()
	Total momentum of pos. daughter.
Float_t	ptotNeg ()
	Total momentum of neg. daughter.
Float_t	eLambda ()
	Energy assuming lambda hypothesis.
Float_t	eK0Short ()
	Energy assuming k-short hypothesis.
Float_t	ePosProton ()
	Energy of pos. daughter assuming proton.
Float_t	ePosPion ()
	Energy of pos. daughter assuming pion.
Float_t	eNegProton ()
	Energy of neg. daughter assuming antiproton.
Float_t	eNegPion ()
	Energy of neg. daughter assuming pion.
Float_t	massLambda ()
	Mass assuming lambda hypothesis.
Float_t	massAntiLambda ()
	Mass assuming antilambda hypothesis.
Float_t	massK0Short ()
	Mass assuming k-short hypothesis.
Float_t	rapLambda ()
	Rapidity assuming (anti)lambda.
Float_t	rapK0Short ()
	Rapidity assuming k-short.
Float_t	thetaV0 ()
	Polar angle theta.
Float_t	thetaPos ()
	Polar angle theta of pos. daughter.
Float_t	thetaNeg ()
	Polar angle theta of neg. daughter.
Float_t	pseudoRapV0 ()
	Pseudorapidity.
Float_t	pseudoRapPos ()
	Pseudorapidity of pos. daughter.
Float_t	pseudoRapNeg ()
	Pseudorapidity of neg. daughter.
Float_t	mtLambda ()
	Transverse mass assuming lambda.
Float_t	mtK0Short ()
	Transverse mass assuming k-short.
Float_t	mtm0Lambda ()
	mt-m0 assuming lambda
Float_t	mtm0K0Short ()
	mt-m0 assuming k-short
Float_t	ePosHyp (Float_t mass)
	Energy of pos. daughter assuming its mass.
Float_t	eNegHyp (Float_t mass)
	Energy of neg. daughter.
Float_t	massHypV0 (Float_t massPos, Float_t massNeg)
Float_t	eHypV0 (Float_t mass)
Float_t	rapHypV0 (Float_t mass)
Float_t	mtHypV0 (Float_t mass)
Float_t	mtm0HypV0 (Float_t mass)
	Energy, rapidity, mt, mt-m0 of V0 assuming its mass.
Float_t	decayCosThetaK0Short ()
Float_t	decayCosThetaLambda ()
Float_t	decayCosThetaAntiLambda ()
Float_t	polCosThetaLambda ()
Float_t	polCosThetaAntiLambda ()
Float_t	decayCosThetaPosLambda ()
Float_t	decayCosThetaNegLambda ()
Float_t	decayCosThetaPosAntiLambda ()
Float_t	decayCosThetaNegAntiLambda ()
Float_t	dCTV0 (Float_t m1, Float_t m2, StChargeSign charge)
	This helper function can be used for decayCosTheta of any hypothesis. More...
TVector3	momPosK0Short ()
TVector3	momNegK0Short ()
TVector3	momPosLambda ()
TVector3	momNegLambda ()
TVector3	momPosAntiLambda ()
TVector3	momNegAntiLambda ()
TVector3	momV0Frame (Float_t m1, Float_t m2, StChargeSign charge)
virtual Int_t	decayMode () const
virtual Int_t	geantIdParent () const
virtual Int_t	geantIdPositive () const
virtual Int_t	geantIdNegative () const
virtual Int_t	positiveSimTpcHits () const
virtual Int_t	positiveCommonTpcHits () const
virtual Int_t	negativeSimTpcHits () const
virtual Int_t	negativeCommonTpcHits () const
Public Member Functions inherited from StXiI
Float_t	decayDistanceV0 () const
	3-d distance of V0 decay from primary vertex
Float_t	decayLengthXi () const
	3-d decay distance of Xi
Float_t	alphaXi ()
Float_t	ptArmXi ()
	Armenteros-Podolanski variables.
Float_t	cTauOmega ()
	Lifetime (ctau) assuming (anti)Omega.
Float_t	cTauXi ()
	Lifetime (ctau) assuming (anti)Xi.
TVector3	momBachelor ()
	Momentum of bachelor.
Float_t	ptXi ()
	Transverse momentum of Xi/Omega.
Float_t	ptBachelor ()
	Transverse momentum of bachelor.
Float_t	ptotXi ()
	Total momentum of Xi/Omega.
Float_t	ptotBachelor ()
	Total momentum of bachelor.
Float_t	eOmega ()
	Energy assuming Omega hypothesis.
Float_t	eXi ()
	Energy assuming Xi hypothesis.
Float_t	eBachelorPion ()
	Energy of bachelor assuming pion.
Float_t	eBachelorKaon ()
	Energy of bachelor assuming kaon.
Float_t	massOmega ()
	Mass assuming Omega hypothesis.
Float_t	massXi ()
	Mass assuming Xi hypothesis.
Float_t	rapOmega ()
	Rapidity assuming (anti)Omega.
Float_t	rapXi ()
	Rapidity assuming (anti)Xi.
Float_t	thetaXi ()
	Polar angle theta of Xi/Omega.
Float_t	thetaBachelor ()
	Polar angle theta of bachelor.
Float_t	pseudoRapXi ()
	Pseudorapidity of Xi/Omega.
Float_t	pseudoRapBachelor ()
	Pseudorapidity of bachelor.
Float_t	mtOmega ()
	Transverse mass assuming (anti)Omega.
Float_t	mtXi ()
	Transverse mass assuming (anti)Xi.
Float_t	mtm0Omega ()
	mt-m0 assuming (anti)Omega
Float_t	mtm0Xi ()
	mt-m0 assuming (anti)Xi
Float_t	eBachelorHyp (Float_t mass)
	Energy of bachelor assuming its mass.
Float_t	massHypXi (Float_t massV0, Float_t massBachelor)
	Invariant mass assuming daughter masses.
Float_t	eHypXi (Float_t mass)
Float_t	rapHypXi (Float_t mass)
Float_t	mtHypXi (Float_t mass)
Float_t	mtm0HypXi (Float_t mass)
	Energy, rapidity, mt, mt-m0 of Xi assuming its mass.
Float_t	decayCosThetaBachelorXi ()
Float_t	decayCosThetaV0Xi ()
Float_t	decayCosThetaBachelorOmega ()
Float_t	decayCosThetaV0Omega ()
Float_t	dCTXi (Float_t m1, Float_t m2, StXiDaughter type)
	This helper function can be used for decayCosTheta of any hypothesis. More...
TVector3	momBachelorXi ()
TVector3	momV0Xi ()
TVector3	momBachelorOmega ()
TVector3	momV0Omega ()
TVector3	momXiFrame (Float_t m1, Float_t m2, StXiDaughter type)
virtual Int_t	V0Index ()
virtual Bool_t	bad () const
	Test whether any child is bad.

Protected Member Functions
void	FillXi (StXiVertex *)
void	setXiHelix ()
Protected Member Functions inherited from StV0MuDst
Long_t	detectorIdTrack (StTrackTopologyMap &)
Protected Member Functions inherited from StV0I
Float_t	Ptot2Pos ()
Float_t	Ptot2Neg ()
Float_t	Ptot2V0 ()
Float_t	Pt2V0 ()
Float_t	MomPosAlongV0 ()
Float_t	MomNegAlongV0 ()
Protected Member Functions inherited from StXiI
Float_t	Ptot2Bachelor ()
Float_t	Ptot2Xi ()
Float_t	Pt2Xi ()
Float_t	MomBachelorAlongXi ()
Float_t	MomV0AlongXi ()

Protected Attributes
Int_t	mCharge
Float_t	mDecayVertexXiX
Float_t	mDecayVertexXiY
Float_t	mDecayVertexXiZ
Float_t	mDcaXiDaughters
Float_t	mDcaBachelorToPrimVertex
Float_t	mDcaXiToPrimVertex
Float_t	mMomBachelorX
Float_t	mMomBachelorY
Float_t	mMomBachelorZ
Int_t	mKeyBachelor
StTrackTopologyMap	mTopologyMapBachelor
Float_t	mChi2Xi
Float_t	mClXi
Float_t	mChi2Bachelor
Float_t	mClBachelor
Float_t	mDedxBachelor
Float_t	mErrDedxBachelor
UShort_t	mNumDedxBachelor
Protected Attributes inherited from StV0MuDst
Float_t	mDecayVertexV0X
Float_t	mDecayVertexV0Y
Float_t	mDecayVertexV0Z
Float_t	mDcaV0Daughters
Float_t	mDcaV0ToPrimVertex
Float_t	mDcaPosToPrimVertex
Float_t	mDcaNegToPrimVertex
Float_t	mMomPosX
Float_t	mMomPosY
Float_t	mMomPosZ
Float_t	mMomNegX
Float_t	mMomNegY
Float_t	mMomNegZ
Int_t	mKeyPos
Int_t	mKeyNeg
StTrackTopologyMap	mTopologyMapPos
StTrackTopologyMap	mTopologyMapNeg
Float_t	mChi2V0
Float_t	mClV0
Float_t	mChi2Pos
Float_t	mClPos
Float_t	mChi2Neg
Float_t	mClNeg
Float_t	mDedxPos
Float_t	mDedxNeg
Float_t	mErrDedxPos
Float_t	mErrDedxNeg
UShort_t	mNumDedxPos
UShort_t	mNumDedxNeg
Protected Attributes inherited from StV0I
StStrangeEvMuDst *	mEvent

Friends
class	StMuMomentumShiftMaker

Detailed Description

Author

Gene Van Buren, UCLA, 24-Mar-2000

Peter G. Jones, University of Birmingham, 30-Mar-1999

          Xi (cascade) micro dst class

Definition at line 18 of file StXiMuDst.hh.

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

• StStrangeMuDstMaker/StXiMuDst.hh
• StStrangeMuDstMaker/StXiMuDst.cc