HBTAN/AliHBTCorrelFctn.h

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