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[PWGDQ] extend mass range in dimuon plots #16702

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mcoquet642 merged 1 commit into from
Jun 17, 2026
+23 −7
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[PWGDQ] extend mass range in dimuon plots #16702

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30 changes: 23 additions & 7 deletions PWGDQ/Tasks/qaMatching.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -996,7 +996,7 @@ struct QaMatching {

void createDimuonHistos()
{
AxisSpec invMassAxis = {400, 1, 5, "M_{#mu^{+}#mu^{-}} (GeV/c^{2})"};
AxisSpec invMassAxis = {500, 0, 5, "M_{#mu^{+}#mu^{-}} (GeV/c^{2})"};
AxisSpec invMassCorrelationAxis = {400, 0, 8, "M_{#mu^{+}#mu^{-}} (GeV/c^{2})"};
AxisSpec invMassAxisFull = {5000, 0, 100, "M_{#mu^{+}#mu^{-}} (GeV/c^{2})"};
int matchTypeCombMax = (static_cast<int>(kMatchTypeTrueNonLeading) - 1) * 10 + static_cast<int>(kMatchTypeTrueNonLeading) - 1;
Expand All @@ -1022,6 +1022,16 @@ struct QaMatching {
registryDimuon.add("dimuon/invariantMass_ScaledMftKine_GlobalMuonCuts_GoodMatches", "#mu^{+}#mu^{-} invariant mass (global muon cuts, rescaled MFT, good matches)", {HistType::kTH1F, {invMassAxis}});
// MFT-MCH-MID tracks with MFT acceptance cuts vs. muon tracks match type, good matches
registryDimuon.add("dimuon/MC/invariantMass_ScaledMftKine_GlobalMuonCuts_GoodMatches_vs_match_type", "#mu^{+}#mu^{-} invariant mass vs. match tye (global muon cuts, rescaled MFT, good matches)", {HistType::kTH2F, {invMassAxis, matchTypeAxis}});

// global kinematics as stored in candidates
// MFT-MCH-MID tracks with MFT acceptance cuts
registryDimuon.add("dimuon/invariantMass_GlobalKine_GlobalMuonCuts", "#mu^{+}#mu^{-} invariant mass (global muon cuts, global kine)", {HistType::kTH1F, {invMassAxis}});
// MCH-MID tracks with MFT acceptance cuts vs. muon tracks match type
registryDimuon.add("dimuon/MC/invariantMass_GlobalKine_GlobalMuonCuts_vs_match_type", "#mu^{+}#mu^{-} invariant mass vs. match tye (global muon cuts, global kine)", {HistType::kTH2F, {invMassAxis, matchTypeAxis}});
// MFT-MCH-MID tracks with MFT acceptance cuts, good matches
registryDimuon.add("dimuon/invariantMass_GlobalKine_GlobalMuonCuts_GoodMatches", "#mu^{+}#mu^{-} invariant mass (global muon cuts, global kine, good matches)", {HistType::kTH1F, {invMassAxis}});
// MFT-MCH-MID tracks with MFT acceptance cuts vs. muon tracks match type, good matches
registryDimuon.add("dimuon/MC/invariantMass_GlobalKine_GlobalMuonCuts_GoodMatches_vs_match_type", "#mu^{+}#mu^{-} invariant mass vs. match tye (global muon cuts, global kine, good matches)", {HistType::kTH2F, {invMassAxis, matchTypeAxis}});
}

void initMatchingFunctions()
Expand Down Expand Up @@ -2664,18 +2674,24 @@ struct QaMatching {

double massMCH = getMuMuInvariantMass(propagateToVertexMch(mchTrack1, collision),
propagateToVertexMch(mchTrack2, collision));
double mass = getMuMuInvariantMass(propagateToVertexMft(mftTrack1, mchTrack1, collision),
propagateToVertexMft(mftTrack2, mchTrack2, collision));
double massRescaledKine = getMuMuInvariantMass(propagateToVertexMft(mftTrack1, mchTrack1, collision),
propagateToVertexMft(mftTrack2, mchTrack2, collision));
double massGlobalKine = getMuMuInvariantMass(propagateToVertexMft(muonTrack1, collision),
propagateToVertexMft(muonTrack2, collision));
registryDimuon.get<TH1>(HIST("dimuon/invariantMass_MuonKine_GlobalMuonCuts"))->Fill(massMCH);
registryDimuon.get<TH1>(HIST("dimuon/invariantMass_ScaledMftKine_GlobalMuonCuts"))->Fill(mass);
registryDimuon.get<TH1>(HIST("dimuon/invariantMass_ScaledMftKine_GlobalMuonCuts"))->Fill(massRescaledKine);
registryDimuon.get<TH1>(HIST("dimuon/invariantMass_GlobalKine_GlobalMuonCuts"))->Fill(massGlobalKine);
registryDimuon.get<TH2>(HIST("dimuon/MC/invariantMass_MuonKine_GlobalMuonCuts_vs_match_type"))->Fill(massMCH, matchType);
registryDimuon.get<TH2>(HIST("dimuon/MC/invariantMass_ScaledMftKine_GlobalMuonCuts_vs_match_type"))->Fill(mass, matchType);
registryDimuon.get<TH2>(HIST("dimuon/MC/invariantMass_ScaledMftKine_GlobalMuonCuts_vs_match_type"))->Fill(massRescaledKine, matchType);
registryDimuon.get<TH2>(HIST("dimuon/MC/invariantMass_GlobalKine_GlobalMuonCuts_vs_match_type"))->Fill(massGlobalKine, matchType);

if (goodGlobalMuonMatches) {
registryDimuon.get<TH1>(HIST("dimuon/invariantMass_MuonKine_GlobalMuonCuts_GoodMatches"))->Fill(massMCH);
registryDimuon.get<TH1>(HIST("dimuon/invariantMass_ScaledMftKine_GlobalMuonCuts_GoodMatches"))->Fill(mass);
registryDimuon.get<TH1>(HIST("dimuon/invariantMass_ScaledMftKine_GlobalMuonCuts_GoodMatches"))->Fill(massRescaledKine);
registryDimuon.get<TH1>(HIST("dimuon/invariantMass_GlobalKine_GlobalMuonCuts_GoodMatches"))->Fill(massGlobalKine);
registryDimuon.get<TH2>(HIST("dimuon/MC/invariantMass_MuonKine_GlobalMuonCuts_GoodMatches_vs_match_type"))->Fill(massMCH, matchType);
registryDimuon.get<TH2>(HIST("dimuon/MC/invariantMass_ScaledMftKine_GlobalMuonCuts_GoodMatches_vs_match_type"))->Fill(mass, matchType);
registryDimuon.get<TH2>(HIST("dimuon/MC/invariantMass_ScaledMftKine_GlobalMuonCuts_GoodMatches_vs_match_type"))->Fill(massRescaledKine, matchType);
registryDimuon.get<TH2>(HIST("dimuon/MC/invariantMass_GlobalKine_GlobalMuonCuts_GoodMatches_vs_match_type"))->Fill(massGlobalKine, matchType);
}
}
}
Expand Down
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