message: Re-enable 4 track part
diff: @@ -1018,7 +1018,7 @@ void AliAnalysisTaskUpcPsi2s::RunAODtree()
  if( !trk ) continue;
  if(fTracking == 0){
  if(!(trk->TestFilterBit(1<<0))) continue;
  - if(!trk->HasPointOnITSLayer(0)||!trk->HasPointOnITSLayer(1)) continue;
  + //if(!trk->HasPointOnITSLayer(0)||!trk->HasPointOnITSLayer(1)) continue;
  fNLooseTracks++;
  }
  @@ -1040,7 +1040,7 @@ void AliAnalysisTaskUpcPsi2s::RunAODtree()
  if(fTracking == 0){
  if(!(trk->TestFilterBit(1<<4))) continue;
  - if(!trk->HasPointOnITSLayer(0)||!trk->HasPointOnITSLayer(1)) continue;
  + //if(!trk->HasPointOnITSLayer(0)||!trk->HasPointOnITSLayer(1)) continue;
  TrackIndex[nGoodTracks] = itr;
  nGoodTracks++;
  @@ -1140,7 +1140,7 @@ void AliAnalysisTaskUpcPsi2s::RunAODtree()
  if( !trk ) continue;
  if(fTracking == 0){
  - if(!(trk->TestFilterBit(1<<0))) continue;
  + if(!(trk->TestFilterBit(1<<4))) continue;
  TrackIndex[nGoodTracks] = itr;
  nGoodTracks++;
  @@ -1163,8 +1163,7 @@ void AliAnalysisTaskUpcPsi2s::RunAODtree()
  }//Track loop
  fPsi2sAODTracks->Clear("C");
  - //if(nGoodTracks == 4){
  - if(0){
  + if(nGoodTracks == 4){
  TDatabasePDG *pdgdat = TDatabasePDG::Instance();
  TParticlePDG *partMuon = pdgdat->GetParticle( 13 );
  