StRoot: StStrangeMuDstMaker/StXiMuDst.hh Source File

00001 
00010 #ifndef StXiMuDst_hh
00011 #define StXiMuDst_hh
00012 #include "StV0MuDst.hh"
00013 #include "StXiI.hh"
00014 
00015 class StXiVertex;
00016 #include "StPhysicalHelixD.hh"
00017 
00018 class StXiMuDst : public StV0MuDst, public virtual StXiI {
00019   friend class StMuMomentumShiftMaker;
00020 
00021 public:
00022   StXiMuDst();
00023   ~StXiMuDst();
00024   StXiMuDst(StXiVertex* x1,StV0Vertex* v1,StStrangeEvMuDst* e1);
00025   void    Fill(StXiVertex*,StV0Vertex*,StStrangeEvMuDst*);
00026 
00027   Int_t   charge() const;              // Particle charge
00028   Float_t decayVertexXiX() const;      // Coordinate of decay vertex
00029   Float_t decayVertexXiY() const;
00030   Float_t decayVertexXiZ() const;
00031   virtual Float_t decayLengthV0() const; // 3-d decay distance
00032   Float_t dcaXiDaughters() const;      // DCA of xi daughters at decay vertex
00033   Float_t dcaBachelorToPrimVertex() const; // DCA of bachelor to primary vertex
00034   Float_t dcaXiToPrimVertex() const;   // DCA of xi to primary vertex
00035   Float_t momBachelorX() const;        // Momentum components of bachelor
00036   Float_t momBachelorY() const;
00037   Float_t momBachelorZ() const;
00038   Int_t   keyBachelor() const;
00039   StTrackTopologyMap& topologyMapBachelor();
00040 
00041   TVector3 momXi();                    //  Momentum components of Xi/Omega at decay vertex
00042   Float_t momXiX();
00043   Float_t momXiY();                    
00044   Float_t momXiZ();
00045 
00046   TVector3 momXiAtPrimVertex();        //  Momentum components of Xi/Omega at primary vertex
00047   Float_t momXiAtPrimVertexX();
00048   Float_t momXiAtPrimVertexY();        
00049   Float_t momXiAtPrimVertexZ();
00050 
00051   Float_t chi2Xi() const;              // Chi square of Xi
00052   Float_t clXi()   const;              // Confidence level of Xi
00053   Float_t chi2Bachelor() const;        // Chi square of bachelor
00054   Float_t clBachelor()   const;        // Confidence level of bachelor
00055   void setBachelorBad();               // Set the bachelor as bad
00056   Long_t  detectorIdXi();              // Detector ID for Xi vertex
00057   virtual Long_t detectorIdPars();     // Detector ID for pars used in Xi finder
00058   Float_t dedxBachelor() const;        // dE/dX of bachelor
00059   Float_t errDedxBachelor() const;     // Error on mean of dE/dX of bachelor
00060   UShort_t numDedxBachelor() const;    // Number of dE/dX points for bachelor
00061   Float_t lenDedxBachelor() const;     // Length of dE/dX track for bachelor
00062 
00063   StPhysicalHelixD& helixXi();         // helix of the Xi track
00064 
00065 protected:
00066   Int_t   mCharge;                     // Written out
00067   Float_t mDecayVertexXiX;
00068   Float_t mDecayVertexXiY;
00069   Float_t mDecayVertexXiZ;
00070 
00071   Float_t mDcaXiDaughters;
00072   Float_t mDcaBachelorToPrimVertex;
00073   Float_t mDcaXiToPrimVertex;
00074   Float_t mMomBachelorX;
00075   Float_t mMomBachelorY;
00076   Float_t mMomBachelorZ;
00077 
00078   Int_t mKeyBachelor;
00079 
00080   StTrackTopologyMap mTopologyMapBachelor;
00081 
00082   Float_t mChi2Xi;
00083   Float_t mClXi;
00084   Float_t mChi2Bachelor;
00085   Float_t mClBachelor;
00086 
00087   void    FillXi(StXiVertex*);
00088   void    setXiHelix();
00089 
00090   Float_t mDedxBachelor;
00091   Float_t mErrDedxBachelor;
00092   UShort_t mNumDedxBachelor;
00093 
00094   ClassDef(StXiMuDst,8)
00095 };
00096 
00097 inline StXiMuDst::StXiMuDst(StXiVertex* x1,StV0Vertex* v1,StStrangeEvMuDst* e1):
00098              StXiI(), StV0MuDst(v1,e1)
00099              { FillXi(x1); }
00100 
00101 inline Int_t   StXiMuDst::charge() const
00102              { return mCharge; }
00103 inline Float_t StXiMuDst::decayVertexXiX() const { return mDecayVertexXiX; }
00104 inline Float_t StXiMuDst::decayVertexXiY() const { return mDecayVertexXiY; }
00105 inline Float_t StXiMuDst::decayVertexXiZ() const { return mDecayVertexXiZ; }
00106 inline Float_t StXiMuDst::decayLengthV0() const { return StXiI::decayLengthV0(); }
00107 inline Float_t StXiMuDst::dcaXiDaughters() const 
00108              { return mDcaXiDaughters; }
00109 inline Float_t StXiMuDst::dcaXiToPrimVertex() const 
00110              { return mDcaXiToPrimVertex; }
00111 inline Float_t StXiMuDst::dcaBachelorToPrimVertex() const 
00112              { return mDcaBachelorToPrimVertex; }
00113 inline Float_t StXiMuDst::momBachelorX() const { return mMomBachelorX; }
00114 inline Float_t StXiMuDst::momBachelorY() const { return mMomBachelorY; }
00115 inline Float_t StXiMuDst::momBachelorZ() const { return mMomBachelorZ; }
00116 inline TVector3 StXiMuDst::momXi()
00117              {return TVector3(momXiX(), momXiY(), momXiZ());}
00118 inline Float_t StXiMuDst::momXiX() { return mMomBachelorX + momV0X(); }
00119 inline Float_t StXiMuDst::momXiY() { return mMomBachelorY + momV0Y(); }
00120 inline Float_t StXiMuDst::momXiZ() { return mMomBachelorZ + momV0Z(); }
00121 inline Float_t StXiMuDst::momXiAtPrimVertexX() { return momXiAtPrimVertex().X(); }
00122 inline Float_t StXiMuDst::momXiAtPrimVertexY() { return momXiAtPrimVertex().Y(); }
00123 inline Float_t StXiMuDst::momXiAtPrimVertexZ() { return momXiAtPrimVertex().Z(); }
00124 inline Int_t StXiMuDst::keyBachelor() const { return mKeyBachelor; }
00125 inline StTrackTopologyMap& StXiMuDst::topologyMapBachelor()
00126              { return mTopologyMapBachelor; }
00127 inline Float_t StXiMuDst::chi2Xi() const { return mChi2Xi; }
00128 inline Float_t StXiMuDst::clXi()   const { return mClXi; }
00129 inline Float_t StXiMuDst::chi2Bachelor() const { return mChi2Bachelor; }
00130 inline Float_t StXiMuDst::clBachelor()   const { return mClBachelor; }
00131 inline void StXiMuDst::setBachelorBad() { mChi2Bachelor = -TMath::Abs(mChi2Bachelor); }
00132 inline Float_t StXiMuDst::dedxBachelor() const { return mDedxBachelor; }
00133 inline Float_t StXiMuDst::errDedxBachelor() const { return mErrDedxBachelor; }
00134 inline UShort_t StXiMuDst::numDedxBachelor() const
00135              { return (mNumDedxBachelor%100); }
00136 inline Float_t StXiMuDst::lenDedxBachelor() const
00137              { return (mNumDedxBachelor/100); }
00138 
00139 #endif
00140 
00141 
00142 /***********************************************************************
00143  * $Id: StXiMuDst.hh,v 3.13 2011/05/27 18:25:32 genevb Exp $
00144  * $Log: StXiMuDst.hh,v $
00145  * Revision 3.13  2011/05/27 18:25:32  genevb
00146  * Propagate StTrack::key => Int_t to other codes
00147  *
00148  * Revision 3.12  2008/07/11 16:23:10  genevb
00149  * bad() won't work unless chi2 allows to return negative values
00150  *
00151  * Revision 3.11  2008/07/10 16:16:56  genevb
00152  * Allow for marking of bad tracks -> bad secondary vertices
00153  *
00154  * Revision 3.10  2005/07/06 22:32:07  fisyak
00155  * Use templated StPhysicalHelixD
00156  *
00157  * Revision 3.9  2005/07/03 19:04:34  perev
00158  * Change class version to avoid ROOT bug in old version 4.00.04
00159  *
00160  * Revision 3.8  2005/03/17 05:02:20  genevb
00161  * Add StMuMomentumShiftMaker friend
00162  *
00163  * Revision 3.7  2003/10/20 17:20:19  perev
00164  * Change the order of inheritance and increased version numbers
00165  *
00166  * Revision 3.6  2003/08/26 22:36:28  genevb
00167  * Calculate Xi momenta at/near primary vertex
00168  *
00169  * Revision 3.5  2003/05/30 21:20:20  genevb
00170  * doxygen savvy, encoding of FTPC mults, change virtual funcs
00171  *
00172  * Revision 3.4  2001/11/05 23:41:07  genevb
00173  * Add more dEdx, B field info, careful of changes to TTree unrolling
00174  *
00175  * Revision 3.3  2001/05/04 20:15:15  genevb
00176  * Common interfaces and reorganization of components, add MC event info
00177  *
00178  * Revision 3.2  2000/08/10 01:16:25  genevb
00179  * Added number of dedx points
00180  *
00181  * Revision 3.1  2000/07/14 14:09:11  genevb
00182  * Fixed small typo
00183  *
00184  * Revision 3.0  2000/07/14 12:56:51  genevb
00185  * Revision 3 has event multiplicities and dedx information for vertex tracks
00186  *
00187  * Revision 2.0  2000/06/02 22:11:55  genevb
00188  * New version of Strangeness micro DST package
00189  *
00190  * Revision 1.3  2000/03/31 03:20:25  jones
00191  * Added topology map to V0/Xi; access funcs for each data member
00192  *
00193  * Revision 1.2  2000/03/29 20:52:14  genevb
00194  * Added StKinkMuDst, replaced arrays
00195  *
00196  * Revision 1.1  2000/03/29 03:10:08  genevb
00197  * Introduction of Strangeness Micro DST package
00198  *
00199  *
00200  ***********************************************************************/