moving binning in phi

diff --git a/PWG4/JetTasks/AliUEHist.cxx b/PWG4/JetTasks/AliUEHist.cxx
index 3776d73f61627250c7a69042ef6ff15e6bf57276..71e25a7da090cbef69e212d6f3dac82e0a462cad 100644 (file)
--- a/PWG4/JetTasks/AliUEHist.cxx
+++ b/PWG4/JetTasks/AliUEHist.cxx
@@ -96,7 +96,7 @@ AliUEHist::AliUEHist(const char* reqHist) :
   const Int_t kNLeadingPhiBins = 40;
   Double_t leadingPhiBins[kNLeadingPhiBins+1];
   for (Int_t i=0; i<=kNLeadingPhiBins; i++)
-    leadingPhiBins[i] = -1.5 * TMath::Pi() + 1.0 / 40 * i * TMath::TwoPi();
+    leadingPhiBins[i] = -0.5 * TMath::Pi() + 1.0 / 40 * i * TMath::TwoPi();
     
   // multiplicity
   const Int_t kNMultiplicityBins = 15;

diff --git a/PWG4/JetTasks/AliUEHistograms.cxx b/PWG4/JetTasks/AliUEHistograms.cxx
index 3c4347b1a058c3dd8593515ce3468673046a4bbe..7e3dabd8157d5db43cfedcddc3a21e8ec29c4784 100644 (file)
--- a/PWG4/JetTasks/AliUEHistograms.cxx
+++ b/PWG4/JetTasks/AliUEHistograms.cxx
@@ -268,8 +268,10 @@ void AliUEHistograms::FillRegion(AliUEHist::Region region, AliUEHist::CFStep ste
     vars[2] = leading->Pt();
     vars[3] = multiplicity;
     vars[4] = leading->Phi() - particle->Phi();
-    if (vars[4]>TMath::Pi()/2.)vars[4]-=TMath::TwoPi();
-    if (vars[4]< - 3.*TMath::Pi()/2.)vars[4]+=TMath::TwoPi();
+    if (vars[4] > 1.5 * TMath::Pi()) 
+      vars[4] -= TMath::TwoPi();
+    if (vars[4] < -0.5 * TMath::Pi())
+      vars[4] += TMath::TwoPi();
 
     fNumberDensitypT->GetTrackHist(region)->Fill(vars, step);
     fSumpT->GetTrackHist(region)->Fill(vars, step, particle->Pt());