StRoot: StHbtMaker/Infrastructure/StHbtXi.hh Source File

00001 /***********************************************************************
00002  *
00003  * $Id: StHbtXi.hh,v 1.0 1999/09/07
00004  *
00005  * Authors: Frank Laue
00006  *
00007  ***********************************************************************
00008  *
00009  * Description: Xi class with members copied from StXihbtXi.hh
00010  *
00011  ***********************************************************************/
00012 #ifndef StHbtXi_hh
00013 #define StHbtXi_hh
00014 
00015 #include "Stiostream.h"
00016 #include "StHbtMaker/Infrastructure/StHbtVector.hh" //same as in StHbtTrack.hh
00017 #include "StHbtMaker/Infrastructure/StHbtV0.hh"
00018 
00019 #ifdef __ROOT__
00020 #include "StStrangeMuDstMaker/StXiMuDst.hh"
00021 #endif
00022 
00023 class StHbtTTreeEvent;
00024 class StHbtTTreeXi;
00025 
00026 class StHbtXi : public StHbtV0 {
00027 public:
00028   StHbtXi(){/* no-op */}
00029 #ifdef __ROOT__
00030   StHbtXi(StXiMuDst&); // from strangeness Xi micro dst structure
00031   StHbtXi(const StHbtTTreeEvent*, const StHbtTTreeXi*);
00032 #endif
00033   ~StHbtXi(){/* no-op */}
00034 
00035   void UpdateXi();
00036   float decayLengthXi() const;            // 3-d decay distance
00037   StHbtThreeVector decayVertexXi() const; // Coordinates of decay vertex
00038   float decayVertexXiX() const;           // Coordinates of decay vertex
00039   float decayVertexXiY() const;           // Coordinates of decay vertex
00040   float decayVertexXiZ() const;           // Coordinates of decay vertex
00041   float dcaXiDaughters() const;           // DCA of xi daughters at decay vertex
00042   float dcaXiToPrimVertex() const;        // DCA of xi to primary vertex
00043   float dcaBacToPrimVertex() const;       // DCA of bachelor  xi daughter to pri vertex
00044   StHbtThreeVector momBac() const;        // Momentum components of bac. daughter
00045   float momBacX() const;                  // Momentum components of bac. daughter
00046   float momBacY() const;                  // Momentum components of bac. daughter
00047   float momBacZ() const;                  // Momentum components of bac. daughter
00048 
00049   int   tpcHitsBac() const;               // Number of TPC hits on bac. daughter
00050   unsigned long trackTopologyMapBac(unsigned int) const;
00051 
00052   StHbtThreeVector momXi() const ;        // Momentum components of Xi
00053   float momXiX() const ;                  // Momentum components of Xi
00054   float momXiY() const ;                  // Momentum components of Xi
00055   float momXiZ() const ;                  // Momentum components of Xi
00056   float alphaXi() const ;                 // Armenteros-Podolanski variable
00057   float ptArmXi() const ;                 // Armenteros-Podolanski variable
00058   float eXi() const ;                     // Energy assuming xi hypothesis
00059   float eOmega() const ;                  // Energy assuming omega hypothesis
00060   float eBacKaon() const ;                // Energy of bac. daughter assuming kaon
00061   float eBacPion() const ;                // Energy of bac. daughter assuming pion
00062   float massXi() const ;                  // Mass assuming Xi hypothesis
00063   float massOmega() const ;               // Mass assuming Omega hypothesis
00064   float rapXi() const ;                   // Rapidity assuming (anti) xi
00065   float rapOmega() const ;                // Rapidity assuming (anti) omega
00066   float cTauXi() const ;                  // Lifetime (ctau) const assuming (anti) xi
00067   float cTauOmega() const ;               // Lifetime (ctau) const assuming (anti) omega
00068   float ptXi() const ;                    // Transverse momentum
00069   float ptotXi() const ;                  // Total momentum
00070   float ptBac() const ;                   // Transverse momentum of bac. daughter
00071   float ptotBac() const ;                 // Total momentum of bac. daughter
00072   float dedxBac() const;                  // dedx of Bac track
00073   unsigned short   idBac() const;         // Id of bac. track
00074   unsigned short   keyBac() const;        // Id of bac. track
00075 
00076   void SetdecayLengthXi(const float);  
00077   void SetdecayVertexXi(const StHbtThreeVector);  
00078   void SetdecayVertexXiX(const float);
00079   void SetdecayVertexXiY(const float);
00080   void SetdecayVertexXiZ(const float);
00081   void SetdcaXiDaughters(const float); 
00082   void SetdcaXiToPrimVertex(const float);  
00083   void SetdcaBacToPrimVertex(const float); 
00084   void SetmomBac(const StHbtThreeVector);  
00085   void SetmomBacX(const float);  
00086   void SetmomBacY(const float);  
00087   void SetmomBacZ(const float);  
00088 
00089   void SettpcHitsBac(const int&);      
00090 
00091   void SetTrackTopologyMapBac(unsigned int, const unsigned long&);
00092 
00093   void SetmomXi( StHbtThreeVector);
00094   void SetmomXiX( float);
00095   void SetmomXiY( float);
00096   void SetmomXiZ( float);
00097   void SetalphaXi( float);       
00098   void SetptArmXi( float);       
00099   void SeteXi( float);     
00100   void SeteOmega( float);    
00101   void SeteBacPion( float);  
00102   void SeteBacKaon( float);    
00103   void SetmassXi( float);  
00104   void SetmassOmega( float);
00105   void SetrapXi( float);    
00106   void SetrapOmega( float);   
00107   void SetcTauXi( float);   
00108   void SetcTauOmega( float);  
00109   void SetptXi( float);         
00110   void SetptotXi( float);       
00111   void SetptBac( float);        
00112   void SetptotBac( float);      
00113   void SetidBac(const unsigned short&);
00114   void SetdedxBac(float);
00115   void SetkeyBac(const unsigned short&);
00116 
00117 //   friend ostream& operator<<(ostream& out, StHbtXi& v0);
00118 //   friend istream& operator>>(istream& in,  StHbtXi& v0);
00119 
00120    friend class StHbtIOBinary;
00121    friend class StHbtTTreeXi;
00122 
00123 protected:
00124   int   mCharge;                
00125   float mDecayLengthXi;
00126   StHbtThreeVector mDecayVertexXi;
00127   float mDcaXiDaughters; 
00128   float mDcaXiToPrimVertex;
00129   float mDcaBachelorToPrimVertex;
00130   StHbtThreeVector mMomBachelor;
00131 
00132   unsigned int   mTopologyMapBachelor[2];
00133   unsigned short mKeyBachelor;
00134 
00135   int   mTpcHitsBac;
00136 
00137   float mChi2Xi;
00138   float mClXi;
00139   float mChi2Bachelor;
00140   float mClBachelor;
00141 
00142   float mDedxBachelor;
00143   unsigned short mNumDedxBachelor;
00144 
00145   // the following variables are not in the persistent version and can be calculated via UpdateXi();
00146   StHbtThreeVector mMomXi;
00147   float mAlphaXi;
00148   float mPtArmXi;
00149 
00150   float mEXi;
00151   float mEOmega;
00152   float mEBacPion;
00153   float mEBacKaon;
00154   float mMassXi;
00155   float mMassOmega;
00156   float mRapXi;
00157   float mRapOmega;
00158   float mCTauXi;
00159   float mCTauOmega;
00160   float mPtXi;
00161   float mPtotXi;
00162   float mPtBac;
00163   float mPtotBac;
00164 
00165   unsigned short   mKeyBac;
00166 };
00167 
00168 inline float StHbtXi::decayLengthXi() const { return mDecayLengthXi; }
00169 inline StHbtThreeVector StHbtXi::decayVertexXi() const { return mDecayVertexXi; } 
00170 inline float StHbtXi::decayVertexXiX() const { return mDecayVertexXi.x(); } 
00171 inline float StHbtXi::decayVertexXiY() const { return mDecayVertexXi.y(); } 
00172 inline float StHbtXi::decayVertexXiZ() const { return mDecayVertexXi.z(); } 
00173 inline float StHbtXi::dcaXiDaughters() const { return mDcaXiDaughters; }
00174 inline float StHbtXi::dcaXiToPrimVertex() const { return mDcaXiToPrimVertex; }
00175 inline float StHbtXi::dcaBacToPrimVertex() const { return mDcaBachelorToPrimVertex; }
00176 inline StHbtThreeVector StHbtXi::momBac() const { return mMomBachelor; }
00177 inline float StHbtXi::momBacX() const { return mMomBachelor.x(); }
00178 inline float StHbtXi::momBacY() const { return mMomBachelor.y(); }
00179 inline float StHbtXi::momBacZ() const { return mMomBachelor.z(); }
00180 inline StHbtThreeVector StHbtXi::momXi() const { return mMomXi; }
00181 inline float StHbtXi::momXiX() const { return mMomXi.x(); }
00182 inline float StHbtXi::momXiY() const { return mMomXi.y(); }
00183 inline float StHbtXi::momXiZ() const { return mMomXi.z(); }
00184 inline float StHbtXi::alphaXi() const { return mAlphaXi; }
00185 inline float StHbtXi::ptArmXi() const {return mPtArmXi;}
00186 inline float StHbtXi::eXi() const {return mEXi;}
00187 inline float StHbtXi::eOmega() const {return mEOmega;}
00188 inline float StHbtXi::eBacPion() const {return mEBacPion;}
00189 inline float StHbtXi::eBacKaon() const {return mEBacKaon;}
00190 inline float StHbtXi::massXi() const {return mMassXi;}
00191 inline float StHbtXi::massOmega() const {return mMassOmega;}
00192 inline float StHbtXi::rapXi() const {return mRapXi;}
00193 inline float StHbtXi::rapOmega() const {return mRapOmega;}
00194 inline float StHbtXi::cTauXi() const {return mCTauXi;}
00195 inline float StHbtXi::cTauOmega() const {return mCTauOmega;}
00196 inline float StHbtXi::ptXi() const {return mPtXi;}
00197 inline float StHbtXi::ptotXi() const {return mPtotXi;}
00198 inline float StHbtXi::ptBac() const {return mPtBac;}
00199 inline float StHbtXi::ptotBac() const {return mPtotBac;}
00200 inline int   StHbtXi::tpcHitsBac() const
00201              { return mTpcHitsBac; }
00202 inline float StHbtXi::dedxBac() const {return mDedxBachelor;}
00203 
00204 inline unsigned long   StHbtXi::trackTopologyMapBac(unsigned int word) const { return mTopologyMapBachelor[word]; }
00205 inline unsigned short   StHbtXi::idBac() const { return mKeyBac; }; 
00206 inline unsigned short   StHbtXi::keyBac() const { return mKeyBac; }
00207 
00208 inline void StHbtXi::SetdecayLengthXi(const float x){ mDecayLengthXi= x;}   
00209 inline void StHbtXi::SetdecayVertexXiX(const float x){ mDecayVertexXi.setX(x);}
00210 inline void StHbtXi::SetdecayVertexXiY(const float x){ mDecayVertexXi.setY(x);}
00211 inline void StHbtXi::SetdecayVertexXiZ(const float x){ mDecayVertexXi.setZ(x);}
00212 inline void StHbtXi::SetdecayVertexXi(const StHbtThreeVector v){ mDecayVertexXi = v; }
00213 inline void StHbtXi::SetdcaXiDaughters(const float x){mDcaXiDaughters= x;} 
00214 inline void StHbtXi::SetdcaXiToPrimVertex(const float x){mDcaXiToPrimVertex= x;}   
00215 inline void StHbtXi::SetdcaBacToPrimVertex(const float x){ mDcaBachelorToPrimVertex = x;} 
00216 inline void StHbtXi::SetmomBac(const StHbtThreeVector v){mMomBachelor = v; }
00217 inline void StHbtXi::SetmomBacX(const float x){mMomBachelor.setX(x);}
00218 inline void StHbtXi::SetmomBacY(const float x){mMomBachelor.setY(x);}
00219 inline void StHbtXi::SetmomBacZ(const float x){mMomBachelor.setZ(x);}
00220 inline void StHbtXi::SetTrackTopologyMapBac(unsigned int word, const unsigned long& m){mTopologyMapBachelor[word]=m;} 
00221 inline void StHbtXi::SetmomXi(StHbtThreeVector v){mMomXi= v; }
00222 inline void StHbtXi::SetmomXiX(const float x){mMomXi.setX(x);}
00223 inline void StHbtXi::SetmomXiY(const float x){mMomXi.setY(x);}
00224 inline void StHbtXi::SetmomXiZ(const float x){mMomXi.setZ(x);}
00225 
00226 inline void StHbtXi::SetalphaXi( float x){mAlphaXi= x;}
00227 inline void StHbtXi::SetptArmXi( float x){mPtArmXi = x;}
00228 inline void StHbtXi::SeteXi( float x){mEXi= x;}       
00229 inline void StHbtXi::SeteOmega( float x){mEOmega= x;}
00230 inline void StHbtXi::SeteBacPion( float x){mEBacPion= x;}
00231 inline void StHbtXi::SeteBacKaon( float x){mEBacKaon= x;}
00232 inline void StHbtXi::SetmassXi( float x){mMassXi = x;} 
00233 inline void StHbtXi::SetmassOmega( float x){mMassOmega= x;}  
00234 inline void StHbtXi::SetrapXi( float x){mRapXi= x;}
00235 inline void StHbtXi::SetrapOmega( float x){mRapOmega = x;}   
00236 inline void StHbtXi::SetcTauXi( float x){mCTauXi = x;}   
00237 inline void StHbtXi::SetcTauOmega( float x){mCTauOmega = x;}   
00238 inline void StHbtXi::SetptXi( float x){mPtXi = x;}          
00239 inline void StHbtXi::SetptotXi( float x){mPtotXi = x;}
00240 inline void StHbtXi::SetptBac( float x){mPtBac = x;}
00241 inline void StHbtXi::SetptotBac( float x){mPtotBac = x;}    
00242 inline void StHbtXi::SetidBac(const unsigned short& s){ mKeyBac= s;}
00243 inline void StHbtXi::SetkeyBac(const unsigned short& s){ mKeyBac= s;}
00244 inline void StHbtXi::SettpcHitsBac(const int& i){mTpcHitsBac=i;} 
00245 inline void StHbtXi::SetdedxBac(float x){mDedxBachelor=x;}
00246 
00247 #endif
00248 
00249 
00250 /***********************************************************************
00251  *
00252  * $Log: StHbtXi.hh,v $
00253  * Revision 1.3  2003/09/02 17:58:33  perev
00254  * gcc 3.2 updates + WarnOff
00255  *
00256  * Revision 1.2  2001/12/05 15:10:33  laue
00257  * Boris' updates (mainly access functions)
00258  *
00259  *
00260  ***********************************************************************/
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