StXiI Class Reference
#include <StXiI.hh>
Inheritance diagram for StXiI:
Public Member Functions | |
_________________FUNCTIONS_USEFUL_IN_ALL_XI_TYPES_________________ | |
| virtual Int_t | charge () const =0 |
| Particle charge. | |
Decay properties | |
| Float_t | decayDistanceV0 () const |
| 3-d distance of V0 decay from primary vertex | |
| virtual Float_t | decayLengthV0 () const |
| 3-d decay distance of V0 from Xi | |
| Float_t | decayLengthXi () const |
| 3-d decay distance of Xi | |
| virtual Float_t | decayVertexXiX () const =0 |
| virtual Float_t | decayVertexXiY () const =0 |
| virtual Float_t | decayVertexXiZ () const =0 |
| Coordinates of decay vertex. | |
| 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. | |
Momenta | |
| TVector3 | momBachelor () |
| Momentum of bachelor. | |
| virtual Float_t | momBachelorX () const =0 |
| virtual Float_t | momBachelorY () const =0 |
| virtual Float_t | momBachelorZ () const =0 |
| Momentum components of bachelor. | |
| virtual TVector3 | momXi ()=0 |
| Momentum of Xi/Omega at decay vertex. | |
| virtual Float_t | momXiX ()=0 |
| virtual Float_t | momXiY ()=0 |
| virtual Float_t | momXiZ ()=0 |
| Momentum components of Xi/Omega at decay vertex. | |
| virtual TVector3 | momXiAtPrimVertex ()=0 |
| Momentum of Xi/Omega at primary vertex. | |
| virtual Float_t | momXiAtPrimVertexX ()=0 |
| virtual Float_t | momXiAtPrimVertexY ()=0 |
| virtual Float_t | momXiAtPrimVertexZ ()=0 |
| Momentum components of Xi/Omega at primary vertex. | |
| 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. | |
Mass-dependent properties | |
| 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. | |
Mass-independent properties | |
| 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. | |
Transverse mass formulae | |
| 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 | |
Energy and invariant mass formulae for hypothetical masses | |
| 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. | |
Cosines of decay and polarization angles for different particle hypotheses | |
| 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. | |
Momenta of daughters in Xi rest frame for different particle hypotheses | |
| TVector3 | momBachelorXi () |
| TVector3 | momV0Xi () |
| TVector3 | momBachelorOmega () |
| TVector3 | momV0Omega () |
| TVector3 | momXiFrame (Float_t m1, Float_t m2, StXiDaughter type) |
_______________FUNCTIONS_PRESENTLY_USED_ONLY_BY_MC_______________ | |
| virtual Int_t | V0Index () |
______________FUNCTIONS_PRESENTLY_USED_ONLY_BY_MuDst______________ | |
| virtual Int_t | keyBachelor () const |
| Bachelor track key. | |
| virtual StTrackTopologyMap & | topologyMapBachelor () |
| Bachelor track topology map. | |
| virtual Float_t | dedxBachelor () const |
| dE/dX of bachelor | |
| virtual Float_t | errDedxBachelor () const |
| Error on mean of dE/dX of bachelor. | |
| virtual UShort_t | numDedxBachelor () const |
| Number of dE/dX points for bachelor. | |
| virtual Float_t | lenDedxBachelor () const |
| Length of dE/dX track for bachelor. | |
DCAs | |
| virtual Float_t | dcaXiDaughters () const |
| DCA of xi daughters at decay vertex. | |
| virtual Float_t | dcaBachelorToPrimVertex () const |
| DCA of bachelor to primary vertex. | |
| virtual Float_t | dcaXiToPrimVertex () const |
| DCA of xi to primary vertex. | |
Fit/Finding properties | |
| virtual Float_t | chi2Xi () const |
| Chi square of Xi (used only by MuDst). | |
| virtual Float_t | clXi () const |
| Confidence level of Xi. | |
| virtual Float_t | chi2Bachelor () const |
| Chi square of bachelor. | |
| virtual Float_t | clBachelor () const |
| Confidence level of bachelor. | |
| virtual Long_t | detectorIdXi () |
| Detector ID for Xi vertex. | |
| virtual Long_t | detectorIdPars () |
| Detector ID for pars used in Xi finder. | |
| virtual void | setBachelorBad () |
| Set the bachelor as bad. | |
| virtual Bool_t | bad () const |
| Test whether any child is bad. | |
Protected Member Functions | |
| Float_t | Ptot2Bachelor () |
| Float_t | Ptot2Xi () |
| Float_t | Pt2Xi () |
| Float_t | MomBachelorAlongXi () |
| Float_t | MomV0AlongXi () |
Detailed Description
Xi (cascade) micro dst object interface class Used for StXiMuDst (reconstructed), StXiMc (Monte Carlo)Definition at line 24 of file StXiI.hh.
Member Function Documentation
| Float_t StXiI::dCTXi | ( | Float_t | m1, | |
| Float_t | m2, | |||
| StXiDaughter | type | |||
| ) | [inline] |
This helper function can be used for decayCosTheta of any hypothesis.
m1,m2 = parent,daughter mass; type = bachelor/v0 daughter
Definition at line 433 of file StXiI.hh.
References momBachelorZ(), StV0I::momV0Z(), and momXiZ().
| TVector3 StXiI::momXiFrame | ( | Float_t | m1, | |
| Float_t | m2, | |||
| StXiDaughter | type | |||
| ) | [inline] |
This helper function can be used for the momentum of daughters in the Xi rest frame of any hypothesis m1,m2 = parent,daughter mass; type = bachelor/v0 daughter
Definition at line 457 of file StXiI.hh.
References momBachelorZ(), StV0I::momV0Z(), and momXiZ().
The documentation for this class was generated from the following file:
- StStrangeMuDstMaker/StXiI.hh
