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[PWGLF] To fix the empty histograms #17735

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Merged
prottayCMT merged 1 commit into from
Sep 2, 2026
+100 −109
Merged

[PWGLF] To fix the empty histograms #17735

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209 changes: 100 additions & 109 deletions PWGLF/Tasks/Resonances/chargedkstaranalysis.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -585,9 +585,9 @@ struct Chargedkstaranalysis {
histosMc.add("h3ChaKstarInvMassDSMcGen", "h3ChaKstarInvMassDSMcGen", kTHnSparseF, {centAxis, ptAxis, invMassAxisReso, thnAxisPOL}, true);
histosMc.add("h3ChaKstarInvMassDSMcRec", "h3ChaKstarInvMassDSMcRec", kTHnSparseF, {centAxis, ptAxis, invMassAxisReso, thnAxisPOL}, true);
histosMc.add("h3ChaKstarInvMassDSMcRecClosure", "h3ChaKstarInvMassDSMcRecClosure", kTHnSparseF, {centAxis, ptAxis, invMassAxisReso, thnAxisPOL}, true);
histosMc.add("sigLoss_den_pri_threeD", "sigLoss_den_pri_threeD", kTHnSparseF, {centAxis, ptAxis, thnAxisPOL}, true);

if (mcCfgs.doBkgMc) {
histosMc.add("h3ChaKstarInvMassRotMcGen", "h3ChaKstarInvMassRotMcGen", kTHnSparseF, {centAxis, ptAxis, invMassAxisReso, thnAxisPOL}, true);
histosMc.add("h3ChaKstarInvMassRotMcRec", "h3ChaKstarInvMassRotMcRec", kTHnSparseF, {centAxis, ptAxis, invMassAxisReso, thnAxisPOL}, true);
histosMc.add("h3ChaKstarInvMassRotMcRecClosure", "h3ChaKstarInvMassRotMcRecClosure", kTHnSparseF, {centAxis, ptAxis, invMassAxisReso, thnAxisPOL}, true);
}
Expand All @@ -604,8 +604,6 @@ struct Chargedkstaranalysis {
histos.add("Correction/sigLoss_num_pri", "Gen primary Kstar (|y|<0.5, selected events) in reco class", HistType::kTH2F, {ptAxis, centAxis});
histos.add("Correction/EF_den", "Gen events (truth class)", HistType::kTH1F, {centAxis});
histos.add("Correction/EF_num", "Reco events (selected events)", HistType::kTH1F, {centAxis});
histos.add("sigLoss_den_pri_threeD", "sigLoss_den_pri_threeD", kTHnSparseF, {centAxis, ptAxis, thnAxisPOL}, true);
histos.add("sigLoss_den_pri_threeD_rot", "sigLoss_den_pri_threeD_rot", kTHnSparseF, {centAxis, ptAxis, thnAxisPOL}, true);
histos.add("Correction/hNEventsMCTruth", "hNEventsMCTruth", HistType::kTH1F, {AxisSpec{nSteps, 0.5, nSteps + 0.5, ""}});
auto hstep = histos.get<TH1>(HIST("Correction/hNEventsMCTruth"));
hstep->GetXaxis()->SetBinLabel(1, "All");
Expand Down Expand Up @@ -849,18 +847,10 @@ struct Chargedkstaranalysis {
if (currentIsGen) {
if (sigLossDen) {
// Fill ONLY the Signal Loss Denominator 3D Histograms
if (isRot) {
histos.fill(HIST("sigLoss_den_pri_threeD_rot"), multiplicity, mother.Pt(), cosTheta);
} else {
histos.fill(HIST("sigLoss_den_pri_threeD"), multiplicity, mother.Pt(), cosTheta);
}
histosMc.fill(HIST("sigLoss_den_pri_threeD"), multiplicity, mother.Pt(), cosTheta);
} else {
// Fill standard 4D MC Gen Histograms
if (isRot) {
histosMc.fill(HIST("h3ChaKstarInvMassRotMcGen"), multiplicity, mother.Pt(), mother.M(), cosTheta);
} else {
histosMc.fill(HIST("h3ChaKstarInvMassDSMcGen"), multiplicity, mother.Pt(), mother.M(), cosTheta);
}
histosMc.fill(HIST("h3ChaKstarInvMassDSMcGen"), multiplicity, mother.Pt(), mother.M(), cosTheta);
}
return;
}
Expand Down Expand Up @@ -926,7 +916,7 @@ struct Chargedkstaranalysis {
auto phiCS = std::atan2(yAxisCS.Dot(v1CM), xAxisCS.Dot(v1CM));
phiCS = RecoDecay::constrainAngle(phiCS, 0.0);

bool doRotation = !doprocessMC || mcCfgs.doBkgMc;
bool doRotation = !doprocessMC || (!currentIsGen && mcCfgs.doBkgMc);
// if (std::abs(mother.Rapidity()) < config.rapidityMotherData) {
if (helicityCfgs.activateHelicityFrame) {
// helicityVec = mother.Vect(); // 3 vector of mother in COM frame
Expand Down Expand Up @@ -1465,10 +1455,10 @@ struct Chargedkstaranalysis {
const float lCentrality = getCentrality(coll);
refCentByMcId.emplace(mcid, lCentrality);
}

currentIsGen = true;
sigLossDen = false;
// Calculating the generated Kstar
for (const auto& part : mcParticles) {
currentIsGen = true;
if (!part.has_mcCollision()) {
continue;
}
Expand Down Expand Up @@ -1559,9 +1549,102 @@ struct Chargedkstaranalysis {
}
}
}
sigLossDen = true;
// To calculate the denominator -> To check the all the events have chk892
for (auto const& part : mcParticles) {
if (!part.has_mcCollision()) {
continue;
}
if (std::abs(part.pdgCode()) != kKstarPlus) {
continue;
}
if (std::abs(part.y()) > kstarCutCfgs.cKstarMaxRap) {
continue;
}

const auto mcid = part.mcCollisionId();
if (!refClassIds.contains(mcid)) {
continue;
}

auto iter = refCentByMcId.find(mcid);
if (iter == refCentByMcId.end()) {
continue;
}

const float lCentrality = iter->second;

histos.fill(HIST("Correction/sigLoss_den"), part.pt(), lCentrality);
if (part.vt() == 0) {
histos.fill(HIST("Correction/sigLoss_den_pri"), part.pt(), lCentrality);
}
LorentzVectorSetXYZM lResoSecondary, lDecayDaughter_bach, lResoKstar, lDaughterRot;
lResoKstar = LorentzVectorSetXYZM(part.px(), part.py(), part.pz(), MassKPlusStar892);
const int pionWanted = (part.pdgCode() > 0) ? +kPiPlus : -kPiPlus;
bool hasRightPion = false;
bool hasK0sToPipi = false;
for (const auto& d1 : part.template daughters_as<aod::McParticles>()) {
const int pdg1 = d1.pdgCode();
if (pdg1 == pionWanted) {
lDecayDaughter_bach = LorentzVectorSetXYZM(d1.px(), d1.py(), d1.pz(), MassPionCharged);
if (helicityCfgs.genKinematicsChecks) {
if (lDecayDaughter_bach.pt() <= trackCutCfgs.cMinPtcut || std::abs(lDecayDaughter_bach.eta()) >= trackCutCfgs.cMaxEtacut) {
continue;
}
}
hasRightPion = true;
} else if (std::abs(pdg1) == kPDGK0) {
for (const auto& d2 : d1.template daughters_as<aod::McParticles>()) {
if (std::abs(d2.pdgCode()) == kPDGK0s) {
if (helicityCfgs.genKinematicsChecks) {
if (d2.pt() <= secondaryCutsCfgs.cSecondaryPtMin || std::abs(d2.eta()) >= secondaryCutsCfgs.cSecondaryRapidityMax) {
continue;
}
}
bool seenPip = false, seenPim = false;
for (const auto& d3 : d2.template daughters_as<aod::McParticles>()) {
if (d3.pdgCode() == +kPiPlus) {
if (helicityCfgs.genKinematicsChecks) {
if (d3.pt() <= trackCutCfgs.cMinPtcut || std::abs(d3.eta()) >= trackCutCfgs.cMaxEtacut) {
continue;
}
}
seenPip = true;
} else if (d3.pdgCode() == -kPiPlus) {
if (helicityCfgs.genKinematicsChecks) {
if (d3.pt() <= trackCutCfgs.cMinPtcut || std::abs(d3.eta()) >= trackCutCfgs.cMaxEtacut) {
continue;
}
}
seenPim = true;
}
}
if (seenPip && seenPim) {
lResoSecondary = LorentzVectorSetXYZM(d2.px(), d2.py(), d2.pz(), MassK0Short);
hasK0sToPipi = true;
break;
}
}
}
}
if (hasRightPion && hasK0sToPipi) {
break;
}
}

if (!(hasRightPion && hasK0sToPipi)) {
continue;
}
if (helicityCfgs.cCosWithKShot) {
fillInvMass(lResoKstar, lCentrality, lResoSecondary, lDecayDaughter_bach, eventCutCfgs.confIsMix);
} else {
fillInvMass(lResoKstar, lCentrality, lDecayDaughter_bach, lResoSecondary, eventCutCfgs.confIsMix);
}
}

currentIsGen = false;
// To store the recoKstar
for (const auto& v0 : v0s) {
currentIsGen = false;
auto coll = v0.template collision_as<MCEventCandidates>();

if (!coll.has_mcCollision()) {
Expand Down Expand Up @@ -1703,98 +1786,6 @@ struct Chargedkstaranalysis {
histos.fill(HIST("Correction/sigLoss_num_pri"), part.pt(), lCentrality);
}
}
sigLossDen = true;
// To calculate the denominator -> To check the all the events have chk892
for (auto const& part : mcParticles) {
if (!part.has_mcCollision()) {
continue;
}
if (std::abs(part.pdgCode()) != kKstarPlus) {
continue;
}
if (std::abs(part.y()) > kstarCutCfgs.cKstarMaxRap) {
continue;
}

const auto mcid = part.mcCollisionId();
if (!refClassIds.contains(mcid)) {
continue;
}

auto iter = refCentByMcId.find(mcid);
if (iter == refCentByMcId.end()) {
continue;
}

const float lCentrality = iter->second;

histos.fill(HIST("Correction/sigLoss_den"), part.pt(), lCentrality);
if (part.vt() == 0) {
histos.fill(HIST("Correction/sigLoss_den_pri"), part.pt(), lCentrality);
}
LorentzVectorSetXYZM lResoSecondary, lDecayDaughter_bach, lResoKstar, lDaughterRot;
lResoKstar = LorentzVectorSetXYZM(part.px(), part.py(), part.pz(), MassKPlusStar892);
const int pionWanted = (part.pdgCode() > 0) ? +kPiPlus : -kPiPlus;
bool hasRightPion = false;
bool hasK0sToPipi = false;
for (const auto& d1 : part.template daughters_as<aod::McParticles>()) {
const int pdg1 = d1.pdgCode();
if (pdg1 == pionWanted) {
lDecayDaughter_bach = LorentzVectorSetXYZM(d1.px(), d1.py(), d1.pz(), MassPionCharged);
if (helicityCfgs.genKinematicsChecks) {
if (lDecayDaughter_bach.pt() <= trackCutCfgs.cMinPtcut || std::abs(lDecayDaughter_bach.eta()) >= trackCutCfgs.cMaxEtacut) {
continue;
}
}
hasRightPion = true;
} else if (std::abs(pdg1) == kPDGK0) {
for (const auto& d2 : d1.template daughters_as<aod::McParticles>()) {
if (std::abs(d2.pdgCode()) == kPDGK0s) {
if (helicityCfgs.genKinematicsChecks) {
if (d2.pt() <= secondaryCutsCfgs.cSecondaryPtMin || std::abs(d2.eta()) >= secondaryCutsCfgs.cSecondaryRapidityMax) {
continue;
}
}
bool seenPip = false, seenPim = false;
for (const auto& d3 : d2.template daughters_as<aod::McParticles>()) {
if (d3.pdgCode() == +kPiPlus) {
if (helicityCfgs.genKinematicsChecks) {
if (d3.pt() <= trackCutCfgs.cMinPtcut || std::abs(d3.eta()) >= trackCutCfgs.cMaxEtacut) {
continue;
}
}
seenPip = true;
} else if (d3.pdgCode() == -kPiPlus) {
if (helicityCfgs.genKinematicsChecks) {
if (d3.pt() <= trackCutCfgs.cMinPtcut || std::abs(d3.eta()) >= trackCutCfgs.cMaxEtacut) {
continue;
}
}
seenPim = true;
}
}
if (seenPip && seenPim) {
lResoSecondary = LorentzVectorSetXYZM(d2.px(), d2.py(), d2.pz(), MassK0Short);
hasK0sToPipi = true;
break;
}
}
}
}
if (hasRightPion && hasK0sToPipi) {
break;
}
}

if (!(hasRightPion && hasK0sToPipi)) {
continue;
}
if (helicityCfgs.cCosWithKShot) {
fillInvMass(lResoKstar, lCentrality, lResoSecondary, lDecayDaughter_bach, eventCutCfgs.confIsMix);
} else {
fillInvMass(lResoKstar, lCentrality, lDecayDaughter_bach, lResoSecondary, eventCutCfgs.confIsMix);
}
}
// To calculate the event fraction correction
for (const auto& mcid : refClassIds) {
histos.fill(HIST("Correction/EF_den"), refCentByMcId[mcid]);
Expand Down
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