message: PWGGA: new parametrization for Pi0 Mass and Sigma for EMC at high pt
diff: @@ -4488,8 +4488,14 @@ Bool_t AliConversionMesonCuts::MesonIsSelectedByMassCut(AliAODConversionMother *
  Float_t sigma = 999;
  switch(fMassParamFunction){
  case 0: // EMC-EMC
  - mass = 0.125306 + 0.001210 * pt;
  - sigma = 0.0136138 + ( (-0.00104914) * pt ) + (7.61163e-05 * pt * pt);
  + if ( pt>45. ){
  + Double_t pt_fix=45.;
  + mass = (0.125281) + ((0.0023329) * pt_fix) + ((-0.000272107) * pt_fix * pt_fix) + ((1.57169e-05) * pt_fix * pt_fix * pt_fix) + ((-1.93425e-07) * pt_fix * pt_fix * pt_fix * pt_fix);
  + sigma = (0.0208639) + ((-0.00227399) * pt_fix ) + ((0.000162993) * pt_fix * pt_fix) + ((-1.94142e-06) * pt_fix * pt_fix * pt_fix);
  + } else {
  + mass = (0.125281) + ((0.0023329) * pt) + ((-0.000272107) * pt * pt) + ((1.57169e-05) * pt * pt * pt) + ((-1.93425e-07) * pt * pt * pt * pt);
  + sigma = (0.0208639) + ((-0.00227399) * pt ) + ((0.000162993) * pt * pt) + ((-1.94142e-06) * pt * pt * pt);
  + }
  fSelectionLow = mass - (fSelectionNSigmaLow * sigma);
  fSelectionHigh = mass + (fSelectionNSigmaHigh * sigma);
  break;
  