HBTAN/AliHBTCorrelFctn.h

   1 #ifndef ALIHBTCORRELFUNCTION_H
   2 #define ALIHBTCORRELFUNCTION_H
   3 //____________________________________________________________________________
   4 //////////////////////////////////////////////////////////////////////////////
   5 //
   6 // class AliHBTQInvCorrelFctn
   7 // class AliHBTQOutCMSLCCorrelFctn
   8 // class AliHBTQLongCMSLCCorrelFctn
   9 // class AliHBTQSideCMSLCCorrelFctn
  10 // class AliHBTInvMassCorrelFctn
  11 // class AliHBTTwoKStarCorrelFctn
  12 //
  13 // Set of functions:
  14 //   Q Invaraint Correlation Function
  15 //   Invariant Mass Function
  16 //
  17 // more info: http://aliweb.cern.ch/people/skowron/analyzer/index.html
  18 // Piotr.Skowronski@cern.ch
  19 //
  20 //////////////////////////////////////////////////////////////////////////////
  21
  22 #include "AliHBTFunction.h"
  23 #include "AliHBTParticle.h"
  24 #include <Riostream.h>
  25
  26 /*************************************************************************************/
  27 class AliHBTQInvCorrelFctn: public AliHBTOnePairFctn1D
  28 {
  29 //Q Invaraint Correlation Function
  30 //1D two particle function
  31  public:
  32    AliHBTQInvCorrelFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0);
  33    virtual ~AliHBTQInvCorrelFctn(){};
  34    TH1* GetResult();
  35  protected:
  36    Double_t GetValue(AliHBTPair * pair){return pair->GetQInv();}
  37  private:
  38    ClassDef(AliHBTQInvCorrelFctn,1)
  39
  40 };
  41 /*************************************************************************************/
  42
  43 class AliHBTQOutCMSLCCorrelFctn: public AliHBTOnePairFctn1D
  44 {
  45 //Q OutCMSLCaraint Correlation Function
  46 //1D two particle function
  47  public:
  48    AliHBTQOutCMSLCCorrelFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0);
  49    virtual ~AliHBTQOutCMSLCCorrelFctn(){};
  50    TH1* GetResult();
  51  protected:
  52    Double_t GetValue(AliHBTPair * pair){return pair->GetQOutCMSLC();}
  53  private:
  54     ClassDef(AliHBTQOutCMSLCCorrelFctn,1)
  55 };
  56 /*************************************************************************************/
  57
  58 class AliHBTQLongCMSLCCorrelFctn: public AliHBTOnePairFctn1D
  59 {
  60 //Q LongCMSLCaraint Correlation Function
  61 //1D two particle function
  62  public:
  63    AliHBTQLongCMSLCCorrelFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0);
  64    virtual ~AliHBTQLongCMSLCCorrelFctn(){};
  65    TH1* GetResult();
  66  protected:
  67    Double_t GetValue(AliHBTPair * pair){return pair->GetQLongCMSLC();}
  68  private:
  69     ClassDef(AliHBTQLongCMSLCCorrelFctn,1)
  70 };
  71 /*************************************************************************************/
  72
  73 class AliHBTQSideCMSLCCorrelFctn: public AliHBTOnePairFctn1D
  74 {
  75 //Q SideCMSLCaraint Correlation Function
  76 //1D two particle function
  77  public:
  78    AliHBTQSideCMSLCCorrelFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0);
  79    virtual ~AliHBTQSideCMSLCCorrelFctn(){}
  80    TH1* GetResult();
  81  protected:
  82    Double_t GetValue(AliHBTPair * pair){return pair->GetQSideCMSLC();}
  83  private:
  84     ClassDef(AliHBTQSideCMSLCCorrelFctn,1)
  85 };
  86 /*************************************************************************************/
  87
  88 class AliHBTInvMassCorrelFctn: public AliHBTOnePairFctn1D
  89 {
  90 //   Invariant Mass Function
  91  public:
  92    AliHBTInvMassCorrelFctn(Int_t nbins = 2000, Double_t maxXval = 2., Double_t minXval = 0.0);
  93    virtual ~AliHBTInvMassCorrelFctn(){};
  94    TH1* GetResult();
  95  protected:
  96    Double_t GetValue(AliHBTPair * pair) { return pair->GetInvMass();}
  97  private:
  98     ClassDef(AliHBTInvMassCorrelFctn,1)
  99 };
 100
 101 /*************************************************************************************/
 102
 103 class AliHBTTwoKStarCorrelFctn: public AliHBTOnePairFctn1D
 104 {
 105 //   Correlation Function of 2*KStar
 106  public:
 107    AliHBTTwoKStarCorrelFctn(Int_t nbins = 200, Double_t maxXval = 0.15, Double_t minXval = 0.0);
 108    virtual ~AliHBTTwoKStarCorrelFctn(){};
 109    TH1* GetResult();
 110  protected:
 111    Double_t GetValue(AliHBTPair * pair) { return 2.0*pair->GetKStar();}
 112  private:
 113     ClassDef(AliHBTTwoKStarCorrelFctn,1)
 114 };
 115
 116 #endif