message: Correcting the definitions for Helicity and Collins-Soper in Pb-Pb
diff: @@ -1196,8 +1196,8 @@ Double_t AliAnalysisTaskPbPbTree_MCut::CalcCorPhi(Double_t phi, Double_t dPhi) c
  }
  //______________________________________________________________________________
  Double_t CostHE_PbPb(AliAODTrack* Mu0, AliAODTrack* Mu1){
  - Double_t EBeam = 6500;
  - Double_t mp = 0.93827231;
  + Double_t EBeam = 2510*208;
  + Double_t mp = 195.323567174;
  Double_t pbeam = TMath::Sqrt(EBeam*EBeam - mp*mp);
  Double_t pla10 = Mu0 -> Px();
  Double_t pla11 = Mu0 -> Py();
  @@ -1251,7 +1251,7 @@ Double_t CostHE_PbPb(AliAODTrack* Mu0, AliAODTrack* Mu1){
  //______________________________________________________________________________
  Double_t PhiHE_PbPb(AliAODTrack* Mu0, AliAODTrack* Mu1){
  // Calculation the Helicity aimuthal angle (adapted from code by R. Arnaldi)
  - Double_t EBeam = 6500.;
  + Double_t EBeam = 2510*208;
  if(EBeam <= 0){
  printf("Can not compute phiHE with EBeam=%f\n",EBeam);
  return -999999999;
  @@ -1315,8 +1315,8 @@ Double_t PhiHE_PbPb(AliAODTrack* Mu0, AliAODTrack* Mu1){
  }
  //______________________________________________________________________________
  Double_t CostCS_PbPb(AliAODTrack* Mu0, AliAODTrack* Mu1){
  - Double_t EBeam = 6500.;
  - Double_t mp = 0.93827231;
  + Double_t EBeam = 2510*208;
  + Double_t mp = 195.323567174;
  Double_t pbeam = TMath::Sqrt(EBeam*EBeam - mp*mp);
  Double_t pla10 = Mu0 -> Px();
  Double_t pla11 = Mu0 -> Py();
  @@ -1378,7 +1378,7 @@ Double_t CostCS_PbPb(AliAODTrack* Mu0, AliAODTrack* Mu1){
  //______________________________________________________________________________
  Double_t PhiCS_PbPb(AliAODTrack* Mu0, AliAODTrack* Mu1){
  // Cosinus of the Collins-Soper polar decay angle
  - Double_t EBeam = 6500.;
  + Double_t EBeam = 2510*208;
  if(EBeam <= 0){
  printf("Can not compute phiCS with EBeam=%f\n",EBeam);
  return -999999999;
  