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PWGLF: Add histograms with rapidity axis in MC cascade analysis#7385

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Merged
ChiaraDeMartin95 merged 2 commits into from
Aug 22, 2024
Merged

PWGLF: Add histograms with rapidity axis in MC cascade analysis #7385

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f8a6fcc
add histograms with rapidity axis.
rspijkers Jul 18, 2024
17caaa6
Please consider the following formatting changes (#11)
alibuild Aug 22, 2024
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49 changes: 38 additions & 11 deletions PWGLF/Tasks/Strangeness/cascadeanalysisMC.cxx
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Original file line numberDiff line numberDiff line change
Expand Up@@ -78,16 +78,23 @@ struct cascadeGenerated {

Configurable<float> maxPt{"maxPt", 20.0, "max generated pT"};
Configurable<int> nPtBins{"nPtBins", 200, "number of pT bins"};
Configurable<float> rapidityCut{"rapidityCut", 0.5, "max (absolute) rapidity of generated cascade"};
Configurable<int> nRapidityBins{"nRapidityBins", 200, "number of pT bins"};

void init(InitContext const&)
{
AxisSpec ptAxis = {nPtBins, 0.0f, maxPt, "it{p}_{T} (GeV/c)"};
AxisSpec ptAxis = {nPtBins, 0.0f, maxPt, "#it{p}_{T} (GeV/c)"};
AxisSpec rapidityAxis = {nRapidityBins, -rapidityCut, rapidityCut, "y"};

registry.add("hEventCounter", "hEventCounter", {HistType::kTH1F, {{10, 0.0f, 10.0f}}});
registry.add("hPtXiMinus", "hPtXiMinus", {HistType::kTH1F, {ptAxis}});
registry.add("hPtXiPlus", "hPtXiPlus", {HistType::kTH1F, {ptAxis}});
registry.add("hPtOmegaMinus", "hPtOmegaMinus", {HistType::kTH1F, {ptAxis}});
registry.add("hPtOmegaPlus", "hPtOmegaPlus", {HistType::kTH1F, {ptAxis}});
registry.add("h2DXiMinus", "h2DXiMinus", {HistType::kTH2F, {ptAxis, rapidityAxis}});
registry.add("h2DXiPlus", "h2DXiPlus", {HistType::kTH2F, {ptAxis, rapidityAxis}});
registry.add("h2DOmegaMinus", "h2DOmegaMinus", {HistType::kTH2F, {ptAxis, rapidityAxis}});
registry.add("h2DOmegaPlus", "h2DOmegaPlus", {HistType::kTH2F, {ptAxis, rapidityAxis}});
}

void process(aod::McCollision const& /*collision*/, aod::McParticles const& mcparts)
Expand All@@ -99,16 +106,24 @@ struct cascadeGenerated {
// Count all generated MC particles
// WARNING: event-level losses have to be understood too
for (auto& particle : mcparts) {
if (TMath::Abs(particle.y()) > 0.5)
if (TMath::Abs(particle.y()) > rapidityCut)
continue;
if (particle.pdgCode() == 3312)
if (particle.pdgCode() == 3312) {
registry.fill(HIST("hPtXiMinus"), particle.pt());
if (particle.pdgCode() == -3312)
registry.fill(HIST("h2DXiMinus"), particle.pt(), particle.y());
}
if (particle.pdgCode() == -3312) {
registry.fill(HIST("hPtXiPlus"), particle.pt());
if (particle.pdgCode() == 3334)
registry.fill(HIST("h2DXiPlus"), particle.pt(), particle.y());
}
if (particle.pdgCode() == 3334) {
registry.fill(HIST("hPtOmegaMinus"), particle.pt());
if (particle.pdgCode() == -3334)
registry.fill(HIST("h2DOmegaMinus"), particle.pt(), particle.y());
}
if (particle.pdgCode() == -3334) {
registry.fill(HIST("hPtOmegaPlus"), particle.pt());
registry.fill(HIST("h2DOmegaPlus"), particle.pt(), particle.y());
}
}
}
};
Expand DownExpand Up@@ -184,9 +199,13 @@ struct cascadeAnalysisMC {
{},
};

Configurable<float> rapidityCut{"rapidityCut", 0.5, "max (absolute) rapidity of cascade candidate"};
Configurable<int> nRapidityBins{"nRapidityBins", 200, "number of pT bins"};

void init(InitContext const&)
{
AxisSpec ptAxis = {200, 0.0f, 10.0f, "it{p}_{T} (GeV/c)"};
AxisSpec ptAxis = {200, 0.0f, 10.0f, "#it{p}_{T} (GeV/c)"};
AxisSpec rapidityAxis = {nRapidityBins, -rapidityCut, rapidityCut, "y"};
AxisSpec massAxisXi = {200, 1.222f, 1.422f, "Inv. Mass (GeV/c^{2})"};
AxisSpec massAxisOmega = {200, 1.572f, 1.772f, "Inv. Mass (GeV/c^{2})"};

Expand All@@ -195,6 +214,10 @@ struct cascadeAnalysisMC {
registry.add("h2dMassXiPlus", "h2dMassXiPlus", {HistType::kTH2F, {ptAxis, massAxisXi}});
registry.add("h2dMassOmegaMinus", "h2dMassOmegaMinus", {HistType::kTH2F, {ptAxis, massAxisOmega}});
registry.add("h2dMassOmegaPlus", "h2dMassOmegaPlus", {HistType::kTH2F, {ptAxis, massAxisOmega}});
registry.add("hPtYMassXiMinus", "hPtYMassXiMinus", {HistType::kTH3F, {ptAxis, rapidityAxis, massAxisXi}});
registry.add("hPtYMassXiPlus", "hPtYMassXiPlus", {HistType::kTH3F, {ptAxis, rapidityAxis, massAxisXi}});
registry.add("hPtYMassOmegaMinus", "hPtYMassOmegaMinus", {HistType::kTH3F, {ptAxis, rapidityAxis, massAxisOmega}});
registry.add("hPtYMassOmegaPlus", "hPtYMassOmegaPlus", {HistType::kTH3F, {ptAxis, rapidityAxis, massAxisOmega}});
}

// Selection criteria
Expand DownExpand Up@@ -347,29 +370,33 @@ struct cascadeAnalysisMC {
TMath::Abs(casc.mLambda() - 1.115683) < cascadesetting_v0masswindow) {
registry.fill(HIST("hCandidateCounter"), 3.5); // pass cascade selections
if (casc.sign() < 0) { // FIXME: could be done better...
if (TMath::Abs(casc.yXi()) < 0.5 && lCompatiblePID_Xi && ((!assocMC) || (lPDG == 3312))) {
if (TMath::Abs(casc.yXi()) < rapidityCut && lCompatiblePID_Xi && ((!assocMC) || (lPDG == 3312))) {
registry.fill(HIST("hPtYMassXiMinus"), casc.pt(), casc.yXi(), casc.mXi());
if (!doCentralityStudy) {
registry.fill(HIST("h2dMassXiMinus"), casc.pt(), casc.mXi());
} else {
registry.fill(HIST("h3dMassXiMinus"), lPercentile, casc.pt(), casc.mXi());
}
}
if (TMath::Abs(casc.yOmega()) < 0.5 && lCompatiblePID_Om && ((!assocMC) || (lPDG == 3334))) {
if (TMath::Abs(casc.yOmega()) < rapidityCut && lCompatiblePID_Om && ((!assocMC) || (lPDG == 3334))) {
registry.fill(HIST("hPtYMassOmegaMinus"), casc.pt(), casc.yOmega(), casc.mOmega());
if (!doCentralityStudy) {
registry.fill(HIST("h2dMassOmegaMinus"), casc.pt(), casc.mOmega());
} else {
registry.fill(HIST("h3dMassOmegaMinus"), lPercentile, casc.pt(), casc.mOmega());
}
}
} else {
if (TMath::Abs(casc.yXi()) < 0.5 && lCompatiblePID_Xi && ((!assocMC) || (lPDG == -3312))) {
if (TMath::Abs(casc.yXi()) < rapidityCut && lCompatiblePID_Xi && ((!assocMC) || (lPDG == -3312))) {
registry.fill(HIST("hPtYMassXiPlus"), casc.pt(), casc.yXi(), casc.mXi());
if (!doCentralityStudy) {
registry.fill(HIST("h2dMassXiPlus"), casc.pt(), casc.mXi());
} else {
registry.fill(HIST("h3dMassXiPlus"), lPercentile, casc.pt(), casc.mXi());
}
}
if (TMath::Abs(casc.yOmega()) < 0.5 && lCompatiblePID_Om && ((!assocMC) || (lPDG == -3334))) {
if (TMath::Abs(casc.yOmega()) < rapidityCut && lCompatiblePID_Om && ((!assocMC) || (lPDG == -3334))) {
registry.fill(HIST("hPtYMassOmegaPlus"), casc.pt(), casc.yOmega(), casc.mOmega());
if (!doCentralityStudy) {
registry.fill(HIST("h2dMassOmegaPlus"), casc.pt(), casc.mOmega());
} else {
Expand Down