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change in the track selection criteria #1230

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Merged
aortizve merged 1 commit into from
Sep 12, 2022
Merged

change in the track selection criteria #1230

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27 changes: 25 additions & 2 deletions EventFiltering/PWGMM/multFilter.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
#include "Framework/AnalysisDataModel.h"
#include "Common/DataModel/EventSelection.h"
#include "Common/DataModel/TrackSelectionTables.h"
#include "Common/Core/TrackSelection.h"
#include "../filterTables.h"
#include "Framework/HistogramRegistry.h"
#include "Framework/StaticFor.h"
Expand Down Expand Up @@ -47,7 +48,8 @@ struct multFilter {
kHighFt0cFv0Flat,
kLeadingPtTrack,
kNtriggersMM };

// my track selection, discussed with Mesut and Matia
TrackSelection myTrackSelection();
// event selection cuts
Configurable<float> selHTrkMult{"selHTrkMult", 45., "global trk multiplicity threshold"};
Configurable<float> selHMfddft0cfv0mft{"selHMfddft0cfv0mft", 237.0, "FDD+FV0+FT0C+MFT mult threshold"};
Expand Down Expand Up @@ -119,6 +121,8 @@ struct multFilter {
// QA global tracks
multiplicity.add("hdNdetaGlobal", "dNdeta", HistType::kTH1F, {{50, -5.0, 5.0, " "}});
multiplicity.add("hPhiGlobal", "Phi", HistType::kTH1F, {{64, 0., 2.0 * M_PI, " "}});
multiplicity.add("hDCAxyGlobal", "DCA_{xy}", HistType::kTH1F, {{120, -4.0, 4.0, " "}});

multiplicity.add("hMFTvsVtx", "", HistType::kTH2F, {{30, -15.0, +15.0, "Vtx_z"}, {200, -0.5, +199.5, "MFT mult (-3.6<#eta<-2.5)"}});

// QA MFT tracks
Expand Down Expand Up @@ -386,7 +390,7 @@ struct multFilter {
}

for (auto& track : tracks) {
if (!track.isGlobalTrack()) {
if (!myTrackSelection().IsSelected(track)) {
continue;
}
float eta_a = track.eta();
Expand All @@ -395,6 +399,7 @@ struct multFilter {
multTrack++;
multiplicity.fill(HIST("hdNdetaGlobal"), eta_a);
multiplicity.fill(HIST("hPhiGlobal"), phi_a);
multiplicity.fill(HIST("hDCAxyGlobal"), track.dcaXY());
if (flPt < pt_a) {
flPt = pt_a;
}
Expand Down Expand Up @@ -616,6 +621,24 @@ struct multFilter {
}
}
};
TrackSelection multFilter::myTrackSelection()
{
TrackSelection selectedTracks;
selectedTracks.SetPtRange(0.15f, 1e10f);
selectedTracks.SetEtaRange(-0.8f, 0.8f);
selectedTracks.SetRequireITSRefit(true);
selectedTracks.SetRequireTPCRefit(true);
selectedTracks.SetRequireGoldenChi2(false);
selectedTracks.SetMinNClustersTPC(60);
// selectedTracks.SetMinNCrossedRowsTPC(70);
// selectedTracks.SetMinNCrossedRowsOverFindableClustersTPC(0.8f);
selectedTracks.SetMaxChi2PerClusterTPC(3.f);
selectedTracks.SetRequireHitsInITSLayers(1, {0, 1}); // one hit in any SPD layer
selectedTracks.SetMaxChi2PerClusterITS(36.f);
selectedTracks.SetMaxDcaXY(3.f);
selectedTracks.SetMaxDcaZ(3.f);
return selectedTracks;
}

WorkflowSpec defineDataProcessing(ConfigContext const& cfg)
{
Expand Down