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[PWGJE] fix weight and mcphat #17457

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Merged
nzardosh merged 1 commit into from
Aug 15, 2026
+6 −9
Merged

[PWGJE] fix weight and mcphat #17457

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15 changes: 6 additions & 9 deletions PWGJE/Tasks/jetSpectraEseTask.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -1077,7 +1077,9 @@ struct JetSpectraEseTask {
registry.fill(HIST("mcm/hMCDMatchedEventCounter"), secCount++);

registry.fill(HIST("mcm/hCentralityAnalyzed"), centrality);
matchedJetLoop<JetMCPTable, aod::JetTracks>(mcdjets.sliceBy(mcdjetsPerJCollision, collision.globalIndex()), centrality, collision.rho(), mcCol.rho());
float eventWeight = cfgUseMCEventWeights ? mcCol.weight() : 1.0;
float pTHat = 10. / (std::pow(eventWeight, 1.0 / pTHatExponent));
matchedJetLoop<JetMCPTable, aod::JetTracks>(mcdjets.sliceBy(mcdjetsPerJCollision, collision.globalIndex()), centrality, collision.rho(), mcCol.rho(), eventWeight, pTHat);

registry.fill(HIST("mcm/hMCDMatchedEventCounter"), secCount++);
}
Expand Down Expand Up @@ -1724,34 +1726,29 @@ struct JetSpectraEseTask {
}

template <typename MCPTab, typename JTracks, typename Jets>
void matchedJetLoop(const Jets& jets, const float& centrality, const float& rho, const float& rho2)
void matchedJetLoop(const Jets& jets, const float& centrality, const float& rho, const float& rho2, float weight = 1.0, float pTHat = 999.0)
{
float weight = 1.0;
for (const auto& jet : jets) {
if (!jetfindingutilities::isInEtaAcceptance(jet, cfgJetEta->at(0), cfgJetEta->at(1), trackEtaMin, trackEtaMax)) {
continue;
}
if (!isAcceptedJet<JTracks>(jet)) {
continue;
}
float pTHat = 10. / (std::pow(weight, 1.0 / pTHatExponent));
if (jet.pt() > pTHatMaxMCD * pTHat) {
return;
continue;
}

auto pt = jet.pt();
if (cfgbkgSubMC) {
pt = jet.pt() - (rho * jet.area());
}
if (cfgUseMCEventWeights) {
weight = jet.eventWeight();
}
registry.fill(HIST("mcm/hJetSparse"), centrality, pt, jet.eta(), jet.phi(), weight); /* detector level mcm*/

if (jet.has_matchedJetGeo()) {
registry.fill(HIST("mcm/hDetSparseMatch"), centrality, pt, jet.eta(), jet.phi(), weight);
for (const auto& matchedJet : jet.template matchedJetGeo_as<MCPTab>()) {
if (matchedJet.pt() > pTHatMaxMCD * pTHat)
if (matchedJet.pt() > pTHatMaxMCP * pTHat)
continue;
auto matchedpt = matchedJet.pt();
if (cfgbkgSubMC) {
Expand Down
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