adding mass squared to conversion cut control histograms (MW)

diff --git a/PWGCF/EBYE/BalanceFunctions/AliBalancePsi.cxx b/PWGCF/EBYE/BalanceFunctions/AliBalancePsi.cxx
index 1695d85212798cdad2f0bfe4f498b5c7d9ec9a51..1c9b7199677feeaa26beb175e20fc4f2efa9393c 100644 (file)
--- a/PWGCF/EBYE/BalanceFunctions/AliBalancePsi.cxx
+++ b/PWGCF/EBYE/BalanceFunctions/AliBalancePsi.cxx
@@ -396,8 +396,8 @@ void AliBalancePsi::InitHistograms() {
   // QA histograms
   fHistHBTbefore        = new TH2D("fHistHBTbefore","before HBT cut",200,0,2,200,0,2.*TMath::Pi());
   fHistHBTafter         = new TH2D("fHistHBTafter","after HBT cut",200,0,2,200,0,2.*TMath::Pi());
-  fHistConversionbefore = new TH2D("fHistConversionbefore","before Conversion cut",200,0,2,200,0,2.*TMath::Pi());
-  fHistConversionafter  = new TH2D("fHistConversionafter","after Conversion cut",200,0,2,200,0,2.*TMath::Pi());
+  fHistConversionbefore = new TH3D("fHistConversionbefore","before Conversion cut;#Delta#eta;#Delta#phi;M_{inv}^{2}",50,-2.0,2.0,50,-TMath::Pi()/2.,3.*TMath::Pi()/2.,300,0,1.5);
+  fHistConversionafter  = new TH3D("fHistConversionafter","after Conversion cut;#Delta#eta;#Delta#phi;M_{inv}^{2}",50,-2.0,2.0,50,-TMath::Pi()/2.,3.*TMath::Pi()/2.,300,0,1.5);
   fHistPsiMinusPhi      = new TH2D("fHistPsiMinusPhi","",4,-0.5,3.5,100,0,2.*TMath::Pi());
   fHistResonancesBefore = new TH3D("fHistResonancesBefore","before resonance cut;#Delta#eta;#Delta#phi;M_{inv}",50,-2.0,2.0,50,-TMath::Pi()/2.,3.*TMath::Pi()/2.,300,0,1.5);
   fHistResonancesRho    = new TH3D("fHistResonancesRho","after #rho resonance cut;#Delta#eta;#Delta#phi;M_{inv}",50,-2.0,2.0,50,-TMath::Pi()/2.,3.*TMath::Pi()/2.,300,0,1.5);
@@ -640,7 +640,6 @@ void AliBalancePsi::CalculateBalance(Double_t gReactionPlane,
        if (charge1 * charge2 < 0) {
          Double_t deta = firstEta - secondEta[j];
          Double_t dphi = firstPhi - secondPhi[j];
-         fHistConversionbefore->Fill(deta,dphi);
          
          Float_t m0 = 0.510e-3;
          Float_t tantheta1 = 1e10;
@@ -662,12 +661,14 @@ void AliBalancePsi::CalculateBalance(Double_t gReactionPlane,
          Float_t e2squ = m0 * m0 + secondPt[j] * secondPt[j] * (1.0 + 1.0 / tantheta2 / tantheta2);
          
          Float_t masssqu = 2 * m0 * m0 + 2 * ( TMath::Sqrt(e1squ * e2squ) - ( firstPt * secondPt[j] * ( TMath::Cos(phi1rad - phi2rad) + 1.0 / tantheta1 / tantheta2 ) ) );
+
+         fHistConversionbefore->Fill(deta,dphi,masssqu);
          
          if (masssqu < fInvMassCutConversion*fInvMassCutConversion){
            //AliInfo(Form("Conversion: Removed track pair %d %d with [[%f %f] %f %f] %d %d <- %f %f  %f %f   %f %f ", i, j, deta, dphi, masssqu, charge1, charge2,eta1,eta2,phi1,phi2,pt1,pt2));
            continue;
          }
-         fHistConversionafter->Fill(deta,dphi);
+         fHistConversionafter->Fill(deta,dphi,masssqu);
        }
       }//conversion cut
 

diff --git a/PWGCF/EBYE/BalanceFunctions/AliBalancePsi.h b/PWGCF/EBYE/BalanceFunctions/AliBalancePsi.h
index 79883ccda91e1ac8022bebabe0aac43b6a182b6c..27cb676a0c251b54a6c4bf2dcede35f7e78a78d0 100644 (file)
--- a/PWGCF/EBYE/BalanceFunctions/AliBalancePsi.h
+++ b/PWGCF/EBYE/BalanceFunctions/AliBalancePsi.h
@@ -193,8 +193,8 @@ class AliBalancePsi : public TObject {
   
   TH2D *GetQAHistHBTbefore() {return fHistHBTbefore;}
   TH2D *GetQAHistHBTafter() {return fHistHBTafter;}
-  TH2D *GetQAHistConversionbefore() {return fHistConversionbefore;}
-  TH2D *GetQAHistConversionafter() {return fHistConversionafter;}
+  TH3D *GetQAHistConversionbefore() {return fHistConversionbefore;}
+  TH3D *GetQAHistConversionafter() {return fHistConversionafter;}
   TH2D *GetQAHistPsiMinusPhi() {return fHistPsiMinusPhi;}
   TH3D *GetQAHistResonancesBefore() {return fHistResonancesBefore;}
   TH3D *GetQAHistResonancesRho() {return fHistResonancesRho;}
@@ -233,8 +233,8 @@ class AliBalancePsi : public TObject {
   //QA histograms
   TH2D *fHistHBTbefore; // Delta Eta vs. Delta Phi before HBT inspired cuts
   TH2D *fHistHBTafter; // Delta Eta vs. Delta Phi after HBT inspired cuts
-  TH2D *fHistConversionbefore; // Delta Eta vs. Delta Phi before Conversion cuts
-  TH2D *fHistConversionafter; // Delta Eta vs. Delta Phi before Conversion cuts
+  TH3D *fHistConversionbefore; // 3D histogram (Deta,Dphi,Invmass) before Conversion cuts
+  TH3D *fHistConversionafter; // 3D histogram (Deta,Dphi,Invmass) before Conversion cuts
   TH2D *fHistPsiMinusPhi;// psi - phi QA histogram
   TH3D *fHistResonancesBefore; // 3D histogram (Deta,Dphi,Invmass) before resonance cuts
   TH3D *fHistResonancesRho;    // 3D histogram (Deta,Dphi,Invmass) after removing rho