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[PWGCF] MC truth-truth and truth-recon update #16442

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Merged
wenyaCern merged 1 commit into from
May 29, 2026
+1,067 −171
Merged

[PWGCF] MC truth-truth and truth-recon update #16442

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82 changes: 52 additions & 30 deletions PWGCF/TwoParticleCorrelations/Tasks/flowDecorrelation.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -1784,7 +1784,13 @@ struct FlowDecorrelation {
}
}

if (cfgSelCollByNch && (mcParticles.size() < cfgGeneralCuts.cfgCutMultMin || mcParticles.size() >= cfgGeneralCuts.cfgCutMultMax)) {
int tpcMult = 0;
for (const auto& track : mcParticles) {
if (std::abs(track.eta()) < cfgMcTrue.cfgEtaTpcCut)
tpcMult += 1;
}

if (cfgSelCollByNch && (tpcMult < cfgGeneralCuts.cfgCutMultMin || tpcMult >= cfgGeneralCuts.cfgCutMultMax)) {
return;
}
if (!cfgSelCollByNch && !cfgCentTableUnavailable && (cent < cfgGeneralCuts.cfgCutCentMin || cent >= cfgGeneralCuts.cfgCutCentMax)) {
Expand All @@ -1794,7 +1800,7 @@ struct FlowDecorrelation {
registry.fill(HIST("MCTrue/MCeventcount"), SameEvent); // because its same event i put it in the 1 bin
if (!cfgCentTableUnavailable)
registry.fill(HIST("MCTrue/MCCentrality"), cent);
registry.fill(HIST("MCTrue/MCNch"), mcParticles.size());
registry.fill(HIST("MCTrue/MCNch"), tpcMult);
registry.fill(HIST("MCTrue/MCzVtx"), mcCollision.posZ());
for (const auto& mcParticle : mcParticles) {
if (mcParticle.isPhysicalPrimary()) {
Expand All @@ -1804,12 +1810,12 @@ struct FlowDecorrelation {
}
}
if (cfgMcTrue.cfgUseCFStepAll) {
same->fillEvent(mcParticles.size(), CorrelationContainer::kCFStepAll);
same->fillEvent(tpcMult, CorrelationContainer::kCFStepAll);
fillMCCorrelations<CorrelationContainer::kCFStepAll>(mcParticles, mcParticles, mcCollision.posZ(), SameEvent, 1.0f, kFT0C);
}

registry.fill(HIST("MCTrue/MCeventcount"), 2.5);
same->fillEvent(mcParticles.size(), CorrelationContainer::kCFStepTrackedOnlyPrim);
same->fillEvent(tpcMult, CorrelationContainer::kCFStepTrackedOnlyPrim);
fillMCCorrelations<CorrelationContainer::kCFStepTrackedOnlyPrim>(mcParticles, mcParticles, mcCollision.posZ(), SameEvent, 1.0f, kFT0C);
}
PROCESS_SWITCH(FlowDecorrelation, processMcSameTpcFt0c, "Process MC same event", false);
Expand All @@ -1818,8 +1824,12 @@ struct FlowDecorrelation {
{
auto getTracksSize = [&mcParticles, this](FilteredMcCollisions::iterator const& mcCollision) {
auto associatedTracks = mcParticles.sliceByCached(o2::aod::mcparticle::mcCollisionId, mcCollision.globalIndex(), this->cache);
auto mult = associatedTracks.size();
return mult;
int tpcMult = 0;
for (const auto& track : associatedTracks) {
if (std::abs(track.eta()) < cfgMcTrue.cfgEtaTpcCut)
tpcMult += 1;
}
return tpcMult;
};

using MixedBinning = FlexibleBinningPolicy<std::tuple<decltype(getTracksSize)>, o2::aod::mccollision::PosZ, decltype(getTracksSize)>;
Expand All @@ -1831,22 +1841,20 @@ struct FlowDecorrelation {
for (auto it = pairs.begin(); it != pairs.end(); it++) {
auto& [collision1, tracks1, collision2, tracks2] = *it;

if (cfgSelCollByNch && (tracks1.size() < cfgGeneralCuts.cfgCutMultMin || tracks1.size() >= cfgGeneralCuts.cfgCutMultMax))
continue;

if (cfgSelCollByNch && (tracks2.size() < cfgGeneralCuts.cfgCutMultMin || tracks2.size() >= cfgGeneralCuts.cfgCutMultMax))
continue;

auto groupedCollisions = collisions.sliceBy(collisionPerMCCollision, collision1.globalIndex());

float cent = -1;
auto groupedCollisions1 = collisions.sliceBy(collisionPerMCCollision, collision1.globalIndex());
auto groupedCollisions2 = collisions.sliceBy(collisionPerMCCollision, collision2.globalIndex());
float cent1 = -1;
float cent2 = -1;
if (!cfgCentTableUnavailable) {
for (const auto& collision : groupedCollisions) {
cent = getCentrality(collision);
for (const auto& collision : groupedCollisions1) {
cent1 = getCentrality(collision);
}
for (const auto& collision : groupedCollisions2) {
cent2 = getCentrality(collision);
}
}

if (!cfgSelCollByNch && !cfgCentTableUnavailable && (cent < cfgGeneralCuts.cfgCutCentMin || cent >= cfgGeneralCuts.cfgCutCentMax))
if (!cfgSelCollByNch && !cfgCentTableUnavailable && ((cent1 < cfgGeneralCuts.cfgCutCentMin || cent1 >= cfgGeneralCuts.cfgCutCentMax) || (cent2 < cfgGeneralCuts.cfgCutCentMin || cent2 >= cfgGeneralCuts.cfgCutCentMax)))
continue;

registry.fill(HIST("MCTrue/MCeventcount"), MixedEvent); // fill the mixed event in the 3 bin
Expand Down Expand Up @@ -1874,7 +1882,13 @@ struct FlowDecorrelation {
}
}

if (cfgSelCollByNch && (mcParticles.size() < cfgGeneralCuts.cfgCutMultMin || mcParticles.size() >= cfgGeneralCuts.cfgCutMultMax)) {
int tpcMult = 0;
for (const auto& track : mcParticles) {
if (std::abs(track.eta()) < cfgMcTrue.cfgEtaTpcCut)
tpcMult += 1;
}

if (cfgSelCollByNch && (tpcMult < cfgGeneralCuts.cfgCutMultMin || tpcMult >= cfgGeneralCuts.cfgCutMultMax)) {
return;
}
if (!cfgSelCollByNch && !cfgCentTableUnavailable && (cent < cfgGeneralCuts.cfgCutCentMin || cent >= cfgGeneralCuts.cfgCutCentMax)) {
Expand All @@ -1884,7 +1898,7 @@ struct FlowDecorrelation {
registry.fill(HIST("MCTrue/MCeventcount"), SameEvent); // because its same event i put it in the 1 bin
if (!cfgCentTableUnavailable)
registry.fill(HIST("MCTrue/MCCentrality"), cent);
registry.fill(HIST("MCTrue/MCNch"), mcParticles.size());
registry.fill(HIST("MCTrue/MCNch"), tpcMult);
registry.fill(HIST("MCTrue/MCzVtx"), mcCollision.posZ());
for (const auto& mcParticle : mcParticles) {
if (mcParticle.isPhysicalPrimary()) {
Expand All @@ -1894,12 +1908,12 @@ struct FlowDecorrelation {
}
}
if (cfgMcTrue.cfgUseCFStepAll) {
same->fillEvent(mcParticles.size(), CorrelationContainer::kCFStepAll);
same->fillEvent(tpcMult, CorrelationContainer::kCFStepAll);
fillMCCorrelations<CorrelationContainer::kCFStepAll>(mcParticles, mcParticles, mcCollision.posZ(), SameEvent, 1.0f, kFT0A);
}

registry.fill(HIST("MCTrue/MCeventcount"), 2.5);
same->fillEvent(mcParticles.size(), CorrelationContainer::kCFStepTrackedOnlyPrim);
same->fillEvent(tpcMult, CorrelationContainer::kCFStepTrackedOnlyPrim);
fillMCCorrelations<CorrelationContainer::kCFStepTrackedOnlyPrim>(mcParticles, mcParticles, mcCollision.posZ(), SameEvent, 1.0f, kFT0A);
}
PROCESS_SWITCH(FlowDecorrelation, processMcSameTpcFt0a, "Process MC same event", false);
Expand All @@ -1908,8 +1922,12 @@ struct FlowDecorrelation {
{
auto getTracksSize = [&mcParticles, this](FilteredMcCollisions::iterator const& mcCollision) {
auto associatedTracks = mcParticles.sliceByCached(o2::aod::mcparticle::mcCollisionId, mcCollision.globalIndex(), this->cache);
auto mult = associatedTracks.size();
return mult;
int tpcMult = 0;
for (const auto& track : associatedTracks) {
if (std::abs(track.eta()) < cfgMcTrue.cfgEtaTpcCut)
tpcMult += 1;
}
return tpcMult;
};

using MixedBinning = FlexibleBinningPolicy<std::tuple<decltype(getTracksSize)>, o2::aod::mccollision::PosZ, decltype(getTracksSize)>;
Expand All @@ -1927,16 +1945,20 @@ struct FlowDecorrelation {
if (cfgSelCollByNch && (tracks2.size() < cfgGeneralCuts.cfgCutMultMin || tracks2.size() >= cfgGeneralCuts.cfgCutMultMax))
continue;

auto groupedCollisions = collisions.sliceBy(collisionPerMCCollision, collision1.globalIndex());

float cent = -1;
auto groupedCollisions1 = collisions.sliceBy(collisionPerMCCollision, collision1.globalIndex());
auto groupedCollisions2 = collisions.sliceBy(collisionPerMCCollision, collision2.globalIndex());
float cent1 = -1;
float cent2 = -1;
if (!cfgCentTableUnavailable) {
for (const auto& collision : groupedCollisions) {
cent = getCentrality(collision);
for (const auto& collision : groupedCollisions1) {
cent1 = getCentrality(collision);
}
for (const auto& collision : groupedCollisions2) {
cent2 = getCentrality(collision);
}
}

if (!cfgSelCollByNch && !cfgCentTableUnavailable && (cent < cfgGeneralCuts.cfgCutCentMin || cent >= cfgGeneralCuts.cfgCutCentMax))
if (!cfgSelCollByNch && !cfgCentTableUnavailable && ((cent1 < cfgGeneralCuts.cfgCutCentMin || cent1 >= cfgGeneralCuts.cfgCutCentMax) || (cent2 < cfgGeneralCuts.cfgCutCentMin || cent2 >= cfgGeneralCuts.cfgCutCentMax)))
continue;

registry.fill(HIST("MCTrue/MCeventcount"), MixedEvent); // fill the mixed event in the 3 bin
Expand Down
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