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[PWGEM/Dilepton] fix DimuonCut and add QC histograms #14799

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dsekihat merged 2 commits into from
Feb 4, 2026
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[PWGEM/Dilepton] fix DimuonCut and add QC histograms #14799

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195001a
PWGEM/Dilepton: fix DimuonCut and add QC histograms
dsekihat Feb 4, 2026
dfc25c3
Update comment in DimuonCut.h
dsekihat Feb 4, 2026
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4 changes: 2 additions & 2 deletions PWGEM/Dilepton/Core/DimuonCut.h
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@
// or submit itself to any jurisdiction.

//
// Class for dimuon selection
// Class for dimuon selection // dummy comment
//

#ifndef PWGEM_DILEPTON_CORE_DIMUONCUT_H_
Expand Down Expand Up @@ -237,7 +237,7 @@ class DimuonCut : public TNamed
return std::fabs(track.ptMatchedMCHMID() - track.pt()) / track.pt() < mMaxReldPtwrtMCHMID && std::sqrt(std::pow((track.etaMatchedMCHMID() - track.eta()) / mMaxdEtawrtMCHMID, 2) + std::pow((track.phiMatchedMCHMID() - track.phi()) / mMaxdPhiwrtMCHMID, 2)) < 1.f;

case DimuonCuts::kDr_MatchingChi2MCHMFT_2D:
return mSlope_dr_chi2MatchMFTMCH * track.chi2MatchMCHMFT() + mIntercept_dr_chi2MatchMFTMCH < std::sqrt(std::pow(track.etaMatchedMCHMID() - track.eta(), 2) + std::pow(track.phiMatchedMCHMID() - track.phi(), 2));
return mSlope_dr_chi2MatchMFTMCH * track.chi2MatchMCHMFT() + mIntercept_dr_chi2MatchMFTMCH > std::sqrt(std::pow(track.etaMatchedMCHMID() - track.eta(), 2) + std::pow(track.phiMatchedMCHMID() - track.phi(), 2));

default:
return false;
Expand Down
24 changes: 12 additions & 12 deletions PWGEM/Dilepton/Core/SingleTrackQC.h
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Expand Up @@ -317,10 +317,10 @@ struct SingleTrackQC {
fRegistry.add("Track/positive/hNclsMCH", "number of MCH clusters", kTH1F, {{21, -0.5, 20.5}}, false);
fRegistry.add("Track/positive/hNclsMFT", "number of MFT clusters", kTH1F, {{11, -0.5, 10.5}}, false);
fRegistry.add("Track/positive/hPDCA", "pDCA;R at absorber end (cm);p #times DCA (GeV/c #upoint cm)", kTH2F, {{100, 0, 100}, {100, 0.0f, 1000}}, false);
fRegistry.add("Track/positive/hChi2", "chi2;chi2/ndf", kTH1F, {{100, 0.0f, 10}}, false);
fRegistry.add("Track/positive/hChi2MFT", "chi2MFT;chi2/ndf", kTH1F, {{100, 0.0f, 10}}, false);
fRegistry.add("Track/positive/hChi2MatchMCHMID", "chi2 match MCH-MID;chi2", kTH1F, {{100, 0.0f, 100}}, false);
fRegistry.add("Track/positive/hChi2MatchMCHMFT", "chi2 match MCH-MFT;chi2", kTH1F, {{100, 0.0f, 100}}, false);
fRegistry.add("Track/positive/hChi2_Pt", "chi2;p_{T,#mu} (GeV/c);chi2/ndf", kTH2F, {{100, 0, 10}, {100, 0.0f, 10}}, false);
fRegistry.add("Track/positive/hChi2MFT", "chi2MFT;p_{T,#mu} (GeV/c);chi2/ndf", kTH2F, {{100, 0, 10}, {100, 0.0f, 10}}, false);
fRegistry.add("Track/positive/hChi2MatchMCHMID", "chi2 match MCH-MID;p_{T,#mu} (GeV/c);chi2/ndf", kTH2F, {{100, 0, 10}, {200, 0.0f, 20}}, false);
fRegistry.add("Track/positive/hChi2MatchMCHMFT", "chi2 match MCH-MFT;p_{T,#mu} (GeV/c);chi2/ndf", kTH2F, {{100, 0, 10}, {500, 0.0f, 50}}, false);
fRegistry.add("Track/positive/hMFTClusterMap", "MFT cluster map", kTH1F, {{1024, -0.5, 1023.5}}, false);
fRegistry.add("Track/positive/hdR_Chi2MatchMCHMFT", "dr vs. matching chi2 MCH-MFT;chi2 match MCH-MFT;#DeltaR;", kTH2F, {{200, 0, 50}, {200, 0, 0.5}}, false);
fRegistry.addClone("Track/positive/", "Track/negative/");
Expand Down Expand Up @@ -674,10 +674,10 @@ struct SingleTrackQC {
fRegistry.fill(HIST("Track/positive/hNclsMCH"), track.nClusters());
fRegistry.fill(HIST("Track/positive/hNclsMFT"), track.nClustersMFT());
fRegistry.fill(HIST("Track/positive/hPDCA"), track.rAtAbsorberEnd(), track.pDca());
fRegistry.fill(HIST("Track/positive/hChi2"), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2() / (2.f * (track.nClusters() + track.nClustersMFT()) - 5.f) : track.chi2());
fRegistry.fill(HIST("Track/positive/hChi2MFT"), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2MFT() / (2.f * track.nClustersMFT() - 5.f) : 0);
fRegistry.fill(HIST("Track/positive/hChi2MatchMCHMID"), track.chi2MatchMCHMID());
fRegistry.fill(HIST("Track/positive/hChi2MatchMCHMFT"), track.chi2MatchMCHMFT());
fRegistry.fill(HIST("Track/positive/hChi2_Pt"), track.pt(), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2() / (2.f * (track.nClusters() + track.nClustersMFT()) - 5.f) : track.chi2());
fRegistry.fill(HIST("Track/positive/hChi2MFT_Pt"), track.pt(), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2MFT() / (2.f * track.nClustersMFT() - 5.f) : 0);
fRegistry.fill(HIST("Track/positive/hChi2MatchMCHMID_Pt"), track.pt(), track.chi2MatchMCHMID());
fRegistry.fill(HIST("Track/positive/hChi2MatchMCHMFT_Pt"), track.pt(), track.chi2MatchMCHMFT());
fRegistry.fill(HIST("Track/positive/hMFTClusterMap"), track.mftClusterMap());
fRegistry.fill(HIST("Track/positive/hdR_Chi2MatchMCHMFT"), track.chi2MatchMCHMFT(), std::sqrt(deta * deta + dphi * dphi));
} else {
Expand All @@ -698,10 +698,10 @@ struct SingleTrackQC {
fRegistry.fill(HIST("Track/negative/hNclsMCH"), track.nClusters());
fRegistry.fill(HIST("Track/negative/hNclsMFT"), track.nClustersMFT());
fRegistry.fill(HIST("Track/negative/hPDCA"), track.rAtAbsorberEnd(), track.pDca());
fRegistry.fill(HIST("Track/negative/hChi2"), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2() / (2.f * (track.nClusters() + track.nClustersMFT()) - 5.f) : track.chi2());
fRegistry.fill(HIST("Track/negative/hChi2MFT"), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2MFT() / (2.f * track.nClustersMFT() - 5.f) : 0);
fRegistry.fill(HIST("Track/negative/hChi2MatchMCHMID"), track.chi2MatchMCHMID());
fRegistry.fill(HIST("Track/negative/hChi2MatchMCHMFT"), track.chi2MatchMCHMFT());
fRegistry.fill(HIST("Track/negative/hChi2_Pt"), track.pt(), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2() / (2.f * (track.nClusters() + track.nClustersMFT()) - 5.f) : track.chi2());
fRegistry.fill(HIST("Track/negative/hChi2MFT_Pt"), track.pt(), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2MFT() / (2.f * track.nClustersMFT() - 5.f) : 0);
fRegistry.fill(HIST("Track/negative/hChi2MatchMCHMID_Pt"), track.pt(), track.chi2MatchMCHMID());
fRegistry.fill(HIST("Track/negative/hChi2MatchMCHMFT_Pt"), track.pt(), track.chi2MatchMCHMFT());
fRegistry.fill(HIST("Track/negative/hMFTClusterMap"), track.mftClusterMap());
fRegistry.fill(HIST("Track/negative/hdR_Chi2MatchMCHMFT"), track.chi2MatchMCHMFT(), std::sqrt(deta * deta + dphi * dphi));
}
Expand Down
24 changes: 12 additions & 12 deletions PWGEM/Dilepton/Core/SingleTrackQCMC.h
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Original file line number Diff line number Diff line change
Expand Up @@ -360,10 +360,10 @@ struct SingleTrackQCMC {
fRegistry.add("Track/PromptLF/positive/hNclsMCH", "number of MCH clusters", kTH1F, {{21, -0.5, 20.5}}, false);
fRegistry.add("Track/PromptLF/positive/hNclsMFT", "number of MFT clusters", kTH1F, {{11, -0.5, 10.5}}, false);
fRegistry.add("Track/PromptLF/positive/hPDCA", "pDCA;R at absorber (cm);p #times DCA (GeV/c #upoint cm)", kTH2F, {{100, 0, 100}, {100, 0.0f, 1000}}, false);
fRegistry.add("Track/PromptLF/positive/hChi2", "chi2;chi2/ndf", kTH1F, {{100, 0.0f, 10}}, false);
fRegistry.add("Track/PromptLF/positive/hChi2MFT", "chi2MFT;chi2/ndf", kTH1F, {{100, 0.0f, 10}}, false);
fRegistry.add("Track/PromptLF/positive/hChi2MatchMCHMID", "chi2 match MCH-MID;chi2", kTH1F, {{100, 0.0f, 100}}, false);
fRegistry.add("Track/PromptLF/positive/hChi2MatchMCHMFT", "chi2 match MCH-MFT;chi2", kTH1F, {{100, 0.0f, 100}}, false);
fRegistry.add("Track/PromptLF/positive/hChi2_Pt", "chi2;p_{T,#mu} (GeV/c);chi2/ndf", kTH2F, {{100, 0, 10}, {100, 0.0f, 10}}, false);
fRegistry.add("Track/PromptLF/positive/hChi2MFT_Pt", "chi2MFT;p_{T,#mu} (GeV/c);chi2/ndf", kTH2F, {{100, 0, 10}, {100, 0.0f, 10}}, false);
fRegistry.add("Track/PromptLF/positive/hChi2MatchMCHMID_Pt", "chi2 match MCH-MID;p_{T,#mu} (GeV/c);chi2/ndf", kTH2F, {{100, 0, 10}, {200, 0.0f, 20}}, false);
fRegistry.add("Track/PromptLF/positive/hChi2MatchMCHMFT_Pt", "chi2 match MCH-MFT;p_{T,#mu} (GeV/c);chi2/ndf", kTH2F, {{100, 0, 10}, {500, 0.0f, 50}}, false);
fRegistry.add("Track/PromptLF/positive/hMFTClusterMap", "MFT cluster map", kTH1F, {{1024, -0.5, 1023.5}}, false);
fRegistry.add("Track/PromptLF/positive/hPtGen_DeltaPtOverPtGen", "muon p_{T} resolution;p_{T}^{gen} (GeV/c);(p_{T}^{rec} - p_{T}^{gen})/p_{T}^{gen}", kTH2F, {{200, 0, 10}, {200, -1.0f, 1.0f}}, true);
fRegistry.add("Track/PromptLF/positive/hPtGen_DeltaEta", "muon #eta resolution;p_{T}^{gen} (GeV/c);#eta^{rec} - #eta^{gen}", kTH2F, {{200, 0, 10}, {100, -0.05f, 0.05f}}, true);
Expand Down Expand Up @@ -780,10 +780,10 @@ struct SingleTrackQCMC {
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("positive/hNclsMCH"), track.nClusters());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("positive/hNclsMFT"), track.nClustersMFT());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("positive/hPDCA"), track.rAtAbsorberEnd(), track.pDca());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("positive/hChi2"), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2() / (2.f * (track.nClusters() + track.nClustersMFT()) - 5.f) : track.chi2());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("positive/hChi2MFT"), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2MFT() / (2.f * track.nClustersMFT() - 5.f) : 0);
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("positive/hChi2MatchMCHMID"), track.chi2MatchMCHMID());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("positive/hChi2MatchMCHMFT"), track.chi2MatchMCHMFT());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("positive/hChi2_Pt"), track.pt(), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2() / (2.f * (track.nClusters() + track.nClustersMFT()) - 5.f) : track.chi2());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("positive/hChi2MFT_Pt"), track.pt(), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2MFT() / (2.f * track.nClustersMFT() - 5.f) : 0);
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("positive/hChi2MatchMCHMID_Pt"), track.pt(), track.chi2MatchMCHMID());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("positive/hChi2MatchMCHMFT_Pt"), track.pt(), track.chi2MatchMCHMFT());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("positive/hMFTClusterMap"), track.mftClusterMap());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("positive/hdR_Chi2MatchMCHMFT"), track.chi2MatchMCHMFT(), std::sqrt(deta * deta + dphi * dphi));
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("positive/hPtGen_DeltaPtOverPtGen"), mctrack.pt(), (track.pt() - mctrack.pt()) / mctrack.pt());
Expand Down Expand Up @@ -813,10 +813,10 @@ struct SingleTrackQCMC {
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("negative/hNclsMCH"), track.nClusters());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("negative/hNclsMFT"), track.nClustersMFT());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("negative/hPDCA"), track.rAtAbsorberEnd(), track.pDca());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("negative/hChi2"), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2() / (2.f * (track.nClusters() + track.nClustersMFT()) - 5.f) : track.chi2());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("negative/hChi2MFT"), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2MFT() / (2.f * track.nClustersMFT() - 5.f) : 0);
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("negative/hChi2MatchMCHMID"), track.chi2MatchMCHMID());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("negative/hChi2MatchMCHMFT"), track.chi2MatchMCHMFT());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("negative/hChi2_Pt"), track.pt(), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2() / (2.f * (track.nClusters() + track.nClustersMFT()) - 5.f) : track.chi2());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("negative/hChi2MFT_Pt"), track.pt(), track.trackType() == static_cast<uint8_t>(o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) ? track.chi2MFT() / (2.f * track.nClustersMFT() - 5.f) : 0);
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("negative/hChi2MatchMCHMID_Pt"), track.pt(), track.chi2MatchMCHMID());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("negative/hChi2MatchMCHMFT_Pt"), track.pt(), track.chi2MatchMCHMFT());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("negative/hMFTClusterMap"), track.mftClusterMap());
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("negative/hdR_Chi2MatchMCHMFT"), track.chi2MatchMCHMFT(), std::sqrt(deta * deta + dphi * dphi));
fRegistry.fill(HIST("Track/") + HIST(lepton_source_types[lepton_source_id]) + HIST("negative/hPtGen_DeltaPtOverPtGen"), mctrack.pt(), (track.pt() - mctrack.pt()) / mctrack.pt());
Expand Down
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