StV0MuDst Class Reference

#include <StV0MuDst.hh>

Inheritance diagram for StV0MuDst:

Public Member Functions
	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.
virtual Long_t	detectorIdPars ()
	Detector ID for pars used in V0 finder.
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.
virtual Float_t	decayLengthV0 () const
	3-d decay distance
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
virtual Bool_t	bad () const
	Test whether either daughter is bad.

Protected Member Functions
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 Attributes
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, 04-Jun-1999

          V0 micro dst class

Definition at line 18 of file StV0MuDst.hh.

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

• StStrangeMuDstMaker/StV0MuDst.hh
• StStrangeMuDstMaker/StV0MuDst.cc