PWGGA/GammaConv/AliAnaConvCorrPion.cxx

   1 /**************************************************************************
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   3  * ALICE Experiment at CERN, All rights reserved.                         *
   4  *                                                                        *
   5  * Primary Author: Svein Lindal <slindal@fys.uio.no>                      *
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  14  **************************************************************************/
  15
  16 /// @file   AliAnaConvCorrPion.cxx
  17 /// @author Svein Lindal
  18 /// @brief  Class used to run conversion gamma/pion - hadron/jet analysis
  19
  20
  21
  22 #include "TH2D.h"
  23 #include "AliAnaConvCorrPion.h"
  24 //#include "AliAODTrack.h"
  25 #include "AliAODConversionParticle.h"
  26
  27
  28
  29
  30 using namespace std;
  31 ClassImp(AliAnaConvCorrPion)
  32
  33 //________________________________________________________________________________
  34 AliAnaConvCorrPion::AliAnaConvCorrPion() :
  35 AliAnaConvCorrBase("pion_hadron_corr", "Pion dPhi"),
  36 //hTriggerPtvsMass(NULL),
  37   hTriggerPtvsMass(NULL),
  38   fAxisM()
  39 {
  40   //consctructor
  41   InitMassAxis();
  42 }
  43 //________________________________________________________________________________
  44 AliAnaConvCorrPion::AliAnaConvCorrPion(TString name, TString title = "Pion Corr") :
  45   AliAnaConvCorrBase(name, title),
  46   //hTriggerPtvsMass(NULL),
  47   hTriggerPtvsMass(NULL),
  48   fAxisM()
  49 {
  50   //consctructor
  51   InitMassAxis();
  52 }
  53
  54
  55 //________________________________________________________________________________
  56 AliAnaConvCorrPion::~AliAnaConvCorrPion() {
  57   //destructor
  58 }
  59
  60 //________________________________________________________________________________
  61 void AliAnaConvCorrPion::InitMassAxis() {
  62   Double_t mbins[7] = {0.1, 0.11, 0.12, 0.15, 0.16, 0.18, 0.2};
  63   fAxisM.Set(6, mbins);
  64   fAxisM.SetNameTitle("InvMass", "invariant mass");
  65   GetAxisList().AddAt(&fAxisM, 6);
  66   GetTrackAxisList().AddAt(&fAxisM, 5);
  67   GetTrigAxisList().AddAt(&fAxisM, 4);
  68 }
  69
  70 ///________________________________________________________________________________
  71 void AliAnaConvCorrPion::CreateHistograms() {
  72   //Create histograms
  73   CreateBaseHistograms();
  74
  75   hTriggerPtvsMass = new TH2D(Form("hTriggerPtvsMass_all_%s", GetName()), "Pt vs Mass all pizero",
  76                               400, 0, .400, GetAxistPt().GetNbins(), GetAxistPt().GetXbins()->GetArray());
  77   GetHistograms()->Add(hTriggerPtvsMass);
  78 }
  79
  80
  81 ///________________________________________________________________________________
  82 void AliAnaConvCorrPion::FillTriggerCounters(const AliAODConversionParticle * particle) {
  83   hTriggerPtvsMass->Fill(particle->M(), particle->Pt());
  84 }
  85