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 <Riostream.h>
  24
  25 /*************************************************************************************/
  26 class AliHBTQInvCorrelFctn: public AliHBTOnePairFctn1D
  27 {
  28 //Q Invaraint Correlation Function
  29 //1D two particle function
  30  public:
  31    AliHBTQInvCorrelFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0);
  32    virtual ~AliHBTQInvCorrelFctn(){};
  33    TH1* GetResult();
  34  protected:
  35    Double_t GetValue(AliHBTPair * pair){return pair->GetQInv();}
  36  private:
  37    ClassDef(AliHBTQInvCorrelFctn,1)
  38
  39 };
  40 /*************************************************************************************/
  41
  42 class AliHBTQOutCMSLCCorrelFctn: public AliHBTOnePairFctn1D
  43 {
  44 //Q OutCMSLCaraint Correlation Function
  45 //1D two particle function
  46  public:
  47    AliHBTQOutCMSLCCorrelFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0);
  48    virtual ~AliHBTQOutCMSLCCorrelFctn(){};
  49    TH1* GetResult();
  50  protected:
  51    Double_t GetValue(AliHBTPair * pair){return pair->GetQOutCMSLC();}
  52  private:
  53     ClassDef(AliHBTQOutCMSLCCorrelFctn,1)
  54 };
  55 /*************************************************************************************/
  56
  57 class AliHBTQLongCMSLCCorrelFctn: public AliHBTOnePairFctn1D
  58 {
  59 //Q LongCMSLCaraint Correlation Function
  60 //1D two particle function
  61  public:
  62    AliHBTQLongCMSLCCorrelFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0);
  63    virtual ~AliHBTQLongCMSLCCorrelFctn(){};
  64    TH1* GetResult();
  65  protected:
  66    Double_t GetValue(AliHBTPair * pair){return pair->GetQLongCMSLC();}
  67  private:
  68     ClassDef(AliHBTQLongCMSLCCorrelFctn,1)
  69 };
  70 /*************************************************************************************/
  71
  72 class AliHBTQSideCMSLCCorrelFctn: public AliHBTOnePairFctn1D
  73 {
  74 //Q SideCMSLCaraint Correlation Function
  75 //1D two particle function
  76  public:
  77    AliHBTQSideCMSLCCorrelFctn(Int_t nbins = 100, Double_t maxXval = 0.15, Double_t minXval = 0.0);
  78    virtual ~AliHBTQSideCMSLCCorrelFctn(){}
  79    TH1* GetResult();
  80  protected:
  81    Double_t GetValue(AliHBTPair * pair){return pair->GetQSideCMSLC();}
  82  private:
  83     ClassDef(AliHBTQSideCMSLCCorrelFctn,1)
  84 };
  85 /*************************************************************************************/
  86
  87 class AliHBTInvMassCorrelFctn: public AliHBTOnePairFctn1D
  88 {
  89 //   Invariant Mass Function
  90  public:
  91    AliHBTInvMassCorrelFctn(Int_t nbins = 2000, Double_t maxXval = 2., Double_t minXval = 0.0);
  92    virtual ~AliHBTInvMassCorrelFctn(){};
  93    TH1* GetResult();
  94  protected:
  95    Double_t GetValue(AliHBTPair * pair) { return pair->GetInvMass();}
  96  private:
  97     ClassDef(AliHBTInvMassCorrelFctn,1)
  98 };
  99
 100 /*************************************************************************************/
 101
 102 class AliHBTTwoKStarCorrelFctn: public AliHBTOnePairFctn1D
 103 {
 104 //   Correlation Function of 2*KStar
 105  public:
 106    AliHBTTwoKStarCorrelFctn(Int_t nbins = 200, Double_t maxXval = 0.15, Double_t minXval = 0.0);
 107    virtual ~AliHBTTwoKStarCorrelFctn(){};
 108    TH1* GetResult();
 109  protected:
 110    Double_t GetValue(AliHBTPair * pair) { return 2.0*pair->GetKStar();}
 111  private:
 112     ClassDef(AliHBTTwoKStarCorrelFctn,1)
 113 };
 114
 115 #endif