message: update bb event selection in MC
diff: @@ -2710,7 +2710,7 @@ cout << "-------------------------------------" << endl;
  } // end if pid_eleD
  - }if (TMath::Abs(pidM)> 500 || TMath::Abs(pidM)< 599 ) {//if from B meson
  + }if (pid_eleB && (TMath::Abs(pidM)> 500 || TMath::Abs(pidM)< 599) ) {//if from B meson
  //cout<<"TESTING5"<<endl;
  if (pTmom>0. && pTmom<50.) { //in proper pt range
  @@ -2726,7 +2726,7 @@ cout << "-------------------------------------" << endl;
  fDCAxy_Pt_Bmeson->Fill(TrkPt,DCA[0]*Bsign*track->Charge());
  }
  - }if (TMath::Abs(pidM)> 5000 || TMath::Abs(pidM)< 5999 ) {//if from B baryon
  + }if (pid_eleB && (TMath::Abs(pidM)> 5000 || TMath::Abs(pidM)< 5999)) {//if from B baryon
  if (pTmom>0. && pTmom<50.) { //in proper pt range
  bWeight = fBWeightNew->GetBinContent(fBWeightNew->FindBin(pTmom));
  