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[PWGUD] UPC tag logic change for generated event MC #15252

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Merged
amatyja merged 1 commit into from
Mar 4, 2026
+52 −53
Merged

[PWGUD] UPC tag logic change for generated event MC #15252

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105 changes: 52 additions & 53 deletions PWGUD/Tasks/sginclusivePhiKstarSD.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -368,6 +368,7 @@ struct SginclusivePhiKstarSD {
"All Events",
"has_udMcCollision",
Form("generatorsID = %d", generatedId.value),
Form("upcFlag = %d%s", upcflag.value, check(upcflag.value != -1)),
Form("GapsideMC = %d", gapsideMC.value),
Form("|Vz| < %.1f", vzCut.value),
Form("Occupancy < %.0f%s", confgOccCut.value, check(useOccCut.value)),
Expand All @@ -381,7 +382,6 @@ struct SginclusivePhiKstarSD {
std::string("kIsGoodZvtxFT0vsPV") + check(useZvtxftovpv.value),
std::string("kIsVertexITSTPC") + check(useVtxItsTpc.value),
Form("RCTFlag = %d%s", cutRCTflag.value, check(cutRCTflag.value > 0)),
Form("upcFlag = %d%s", upcflag.value, check(upcflag.value != -1)),
Form("%d < numContrib < %d%s", mintrack.value, maxtrack.value, check(usenumContrib.value))};

for (size_t i = 0; i < eveCutLabelsMC.size(); ++i) {
Expand Down Expand Up @@ -1421,71 +1421,70 @@ struct SginclusivePhiKstarSD {
registry.get<TH1>(HIST("Reco/Stat"))->Fill(4.0, 1.);
registry.get<TH1>(HIST("Reco/Stat"))->Fill(truegapSide, 1.);

if (upcflag != -1 && collision.flags() == upcflag) {
auto partSlice = McParts.sliceBy(partPerMcCollision, mccoll.globalIndex());
for (const auto& trk1 : partSlice) {
if (std::abs(trk1.pdgCode()) == o2::constants::physics::Pdg::kK0Star892) {
vkstar.SetCoordinates(trk1.px(), trk1.py(), trk1.pz(), o2::constants::physics::MassK0Star892);
auto kDaughters = trk1.daughters_as<aod::UDMcParticles>();
const size_t kExpectedNumberOfDaughters = 2;
if (kDaughters.size() != kExpectedNumberOfDaughters) {
auto partSlice = McParts.sliceBy(partPerMcCollision, mccoll.globalIndex());
for (const auto& trk1 : partSlice) {
if (std::abs(trk1.pdgCode()) == o2::constants::physics::Pdg::kK0Star892) {
vkstar.SetCoordinates(trk1.px(), trk1.py(), trk1.pz(), o2::constants::physics::MassK0Star892);
auto kDaughters = trk1.daughters_as<aod::UDMcParticles>();
const size_t kExpectedNumberOfDaughters = 2;
if (kDaughters.size() != kExpectedNumberOfDaughters) {
continue;
}
auto daughtp = false;
auto daughtm = false;
for (const auto& kCurrentDaughter : kDaughters) {
if (!kCurrentDaughter.isPhysicalPrimary()) {
continue;
}
auto daughtp = false;
auto daughtm = false;
for (const auto& kCurrentDaughter : kDaughters) {
if (!kCurrentDaughter.isPhysicalPrimary()) {
continue;
}
if (std::abs(kCurrentDaughter.pdgCode()) == PDG_t::kKPlus) {
daughtp = true;
} else if (std::abs(kCurrentDaughter.pdgCode()) == PDG_t::kPiPlus) {
daughtm = true;
}
if (std::abs(kCurrentDaughter.pdgCode()) == PDG_t::kKPlus) {
daughtp = true;
} else if (std::abs(kCurrentDaughter.pdgCode()) == PDG_t::kPiPlus) {
daughtm = true;
}
if (daughtp && daughtm) {
if (std::abs(vkstar.Rapidity()) < 0.5) {
registry.get<TH3>(HIST("MC/accMPtRap_kstar_G1"))->Fill(vkstar.M(), vkstar.Pt(), vkstar.Rapidity(), 1.);
if (truegapSide == gapsideMC) {
registry.get<TH3>(HIST("MC/accMPtRap_kstar_G11"))->Fill(vkstar.M(), vkstar.Pt(), vkstar.Rapidity(), 1.);
}
}
if (daughtp && daughtm) {
if (std::abs(vkstar.Rapidity()) < 0.5) {
registry.get<TH3>(HIST("MC/accMPtRap_kstar_G1"))->Fill(vkstar.M(), vkstar.Pt(), vkstar.Rapidity(), 1.);
if (truegapSide == gapsideMC) {
registry.get<TH3>(HIST("MC/accMPtRap_kstar_G11"))->Fill(vkstar.M(), vkstar.Pt(), vkstar.Rapidity(), 1.);
}
}
}
// phi
if (std::abs(trk1.pdgCode()) == o2::constants::physics::Pdg::kPhi) {
if (trk1.has_mothers()) {
continue;
}
vphi.SetCoordinates(trk1.px(), trk1.py(), trk1.pz(), o2::constants::physics::MassPhi);
auto kDaughters = trk1.daughters_as<aod::UDMcParticles>();
const size_t kExpectedNumberOfDaughters1 = 2;
if (kDaughters.size() != kExpectedNumberOfDaughters1) {
}
// phi
if (std::abs(trk1.pdgCode()) == o2::constants::physics::Pdg::kPhi) {
if (trk1.has_mothers()) {
continue;
}
vphi.SetCoordinates(trk1.px(), trk1.py(), trk1.pz(), o2::constants::physics::MassPhi);
auto kDaughters = trk1.daughters_as<aod::UDMcParticles>();
const size_t kExpectedNumberOfDaughters1 = 2;
if (kDaughters.size() != kExpectedNumberOfDaughters1) {
continue;
}
auto daughtp1 = false;
auto daughtm1 = false;
for (const auto& kCurrentDaughter : kDaughters) {
if (!kCurrentDaughter.isPhysicalPrimary()) {
continue;
}
auto daughtp1 = false;
auto daughtm1 = false;
for (const auto& kCurrentDaughter : kDaughters) {
if (!kCurrentDaughter.isPhysicalPrimary()) {
continue;
}
if (kCurrentDaughter.pdgCode() == PDG_t::kKPlus) {
daughtp1 = true;
} else if (kCurrentDaughter.pdgCode() == PDG_t::kKMinus) {
daughtm1 = true;
}
if (kCurrentDaughter.pdgCode() == PDG_t::kKPlus) {
daughtp1 = true;
} else if (kCurrentDaughter.pdgCode() == PDG_t::kKMinus) {
daughtm1 = true;
}
if (daughtp1 && daughtm1) {
if (std::abs(vphi.Rapidity()) < 0.5) {
registry.get<TH3>(HIST("MC/accMPtRap_phi_G1"))->Fill(vphi.M(), vphi.Pt(), vphi.Rapidity(), 1.);
if (truegapSide == gapsideMC) {
registry.get<TH3>(HIST("MC/accMPtRap_phi_G11"))->Fill(vphi.M(), vphi.Pt(), vphi.Rapidity(), 1.);
}
}
if (daughtp1 && daughtm1) {
if (std::abs(vphi.Rapidity()) < 0.5) {
registry.get<TH3>(HIST("MC/accMPtRap_phi_G1"))->Fill(vphi.M(), vphi.Pt(), vphi.Rapidity(), 1.);
if (truegapSide == gapsideMC) {
registry.get<TH3>(HIST("MC/accMPtRap_phi_G11"))->Fill(vphi.M(), vphi.Pt(), vphi.Rapidity(), 1.);
}
}
}
}
}

if (truegapSide != gapsideMC)
return;
registry.fill(HIST("Reco/hEventCutFlowMC"), 4);
Expand Down Expand Up @@ -1516,7 +1515,7 @@ struct SginclusivePhiKstarSD {

if (useTfb && collision.tfb() != 1)
return;
registry.fill(HIST("Reco/hEventCutFlowMC"), 1);
registry.fill(HIST("Reco/hEventCutFlowMC"), 11);

if (useItsrofb && collision.itsROFb() != 1)
return;
Expand Down
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