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Add single track histograms for delta analysis #5542

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Merged
lbariogl merged 1 commit into from
Apr 9, 2024
Merged

Add single track histograms for delta analysis #5542

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59 changes: 59 additions & 0 deletions PWGLF/Tasks/Resonances/deltaanalysis.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,15 @@ struct deltaAnalysis {

histos.add("hDeltaZeroInvMassGen", "Invariant mass distribution for #Delta^{0} - generated", kTH2F, {ptAxis, deltaZeroAxis});
histos.add("hAntiDeltaZeroInvMassGen", "Invariant mass distribution for #bar{#Delta^{0}} - generated", kTH2F, {ptAxis, antiDeltaZeroAxis});

histos.add("hRecProtonAntiDeltaPlusPlus", "Proton from #bar{#Delta^{++}}", kTH1F, {ptAxis});
histos.add("hRecProtonDeltaPlusPlus", "Proton from #Delta^{++}", kTH1F, {ptAxis});
histos.add("hRecProtonAntiDeltaZero", "Proton from #bar{#Delta^{0}}", kTH1F, {ptAxis});
histos.add("hRecProtonDeltaZero", "Proton from #Delta^{0}", kTH1F, {ptAxis});
histos.add("hRecPionAntiDeltaPlusPlus", "Pion from #bar{#Delta^{++}}", kTH1F, {ptAxis});
histos.add("hRecPionDeltaPlusPlus", "Pion from #Delta^{++}", kTH1F, {ptAxis});
histos.add("hRecPionAntiDeltaZero", "Pion from #bar{#Delta^{0}}", kTH1F, {ptAxis});
histos.add("hRecPionDeltaZero", "Pion from #Delta^{0}", kTH1F, {ptAxis});
}
}

Expand Down Expand Up @@ -405,6 +414,56 @@ struct deltaAnalysis {
auto perColTracks = tracks.sliceBy(perColMC, collIdx);
perColTracks.bindExternalIndices(&tracks);

for (auto& t0 : perColTracks) {

if (!selectionTrack(t0)) {
continue;
}
if (!t0.has_mcParticle()) {
continue;
}

const auto mcTrack = t0.mcParticle();

if (std::abs(mcTrack.pdgCode()) == protonPDG) {
if (selectionPIDProton(t0)) {
for (auto& motherTrackProton : mcTrack.mothers_as<aod::McParticles>()) {
if (std::abs(motherTrackProton.pdgCode()) == deltaPlusPlusPDG) {
if (t0.sign() < 0) {
histos.fill(HIST("hRecProtonAntiDeltaPlusPlus"), t0.pt());
} else {
histos.fill(HIST("hRecProtonDeltaPlusPlus"), t0.pt());
}
} else if (std::abs(motherTrackProton.pdgCode()) == deltaZeroPDG) {
if (t0.sign() < 0) {
histos.fill(HIST("hRecProtonAntiDeltaZero"), t0.pt());
} else {
histos.fill(HIST("hRecProtonDeltaZero"), t0.pt());
}
}
}
}
} else if (std::abs(mcTrack.pdgCode()) == pionPDG) {
if (selectionPIDPion(t0)) {
for (auto& motherTrackPion : mcTrack.mothers_as<aod::McParticles>()) {
if (std::abs(motherTrackPion.pdgCode()) == deltaPlusPlusPDG) {
if (t0.sign() < 0) {
histos.fill(HIST("hRecPionAntiDeltaPlusPlus"), t0.pt());
} else {
histos.fill(HIST("hRecPionDeltaPlusPlus"), t0.pt());
}
} else if (std::abs(motherTrackPion.pdgCode()) == deltaZeroPDG) {
if (t0.sign() < 0) {
histos.fill(HIST("hRecPionDeltaZero"), t0.pt());
} else {
histos.fill(HIST("hRecPionAntiDeltaZero"), t0.pt());
}
}
}
}
}
}

for (auto& [t0, t1] : o2::soa::combinations(o2::soa::CombinationsFullIndexPolicy(perColTracks, perColTracks))) {

if (t0.globalIndex() == t1.globalIndex()) {
Expand Down