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[PWGCF] Implement passThrough mode in femto producer for MC processing #17321

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[PWGCF] Implement passThrough mode in femto producer for MC processing #17321

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f4e630a
Feat: implement passthrough mode for MC
ariedel-cern Aug 3, 2026
7b9b5cf
Fix: fix wrong collision association
ariedel-cern Aug 3, 2026
f382873
Feat: implement wrong collision association
ariedel-cern Aug 4, 2026
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8 changes: 4 additions & 4 deletions PWGCF/Femto/Core/baseSelection.h
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Expand Up @@ -165,12 +165,12 @@ class BaseSelection
std::string const& selectionName,
int mode)
{
int selectionMode = mode;

if (mPassThrough) {
mSelectionContainers.at(observableIndex) = selectioncontainer::SelectionContainer<T, BitmaskType>(selectionName, std::vector<T>{1}, limits::LimitType::kEqual, false, false, false);
return;
selectionMode = 2;
}

switch (mode) {
switch (selectionMode) {
case -1: // cut is optional and we store a bit for it
mSelectionContainers.at(observableIndex) = selectioncontainer::SelectionContainer<T, BitmaskType>(selectionName, std::vector<T>{1}, limits::LimitType::kEqual, false, false, true);
break;
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13 changes: 7 additions & 6 deletions PWGCF/Femto/Core/cascadeBuilder.h
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Expand Up @@ -619,20 +619,20 @@ class CascadeBuilder
collisionBuilder.template fillMcCollision<system>(collisionProducts, col, mcCols, mcProducts, mcBuilder);

auto bachelor = cascade.template bachelor_as<T8>();
bachelorIndex = trackBuilder.template getDaughterIndex<system, modes::Track::kCascadeBachelor>(col, collisionBuilder, mcCols, bachelor, trackProducts, mcParticles, mcBuilder, mcProducts);
bachelorIndex = trackBuilder.template getDaughterIndex<system, modes::Track::kCascadeBachelor>(bachelor, trackProducts, mcCols, collisionBuilder, mcParticles, mcBuilder, mcProducts);

auto posDaughter = cascade.template posTrack_as<T8>();
posDaughterIndex = trackBuilder.template getDaughterIndex<system, modes::Track::kV0Daughter>(col, collisionBuilder, mcCols, posDaughter, trackProducts, mcParticles, mcBuilder, mcProducts);
posDaughterIndex = trackBuilder.template getDaughterIndex<system, modes::Track::kV0Daughter>(posDaughter, trackProducts, mcCols, collisionBuilder, mcParticles, mcBuilder, mcProducts);

auto negDaughter = cascade.template negTrack_as<T8>();
negDaughterIndex = trackBuilder.template getDaughterIndex<system, modes::Track::kV0Daughter>(col, collisionBuilder, mcCols, negDaughter, trackProducts, mcParticles, mcBuilder, mcProducts);
negDaughterIndex = trackBuilder.template getDaughterIndex<system, modes::Track::kV0Daughter>(negDaughter, trackProducts, mcCols, collisionBuilder, mcParticles, mcBuilder, mcProducts);

fillCascade(collisionBuilder, cascadeProducts, cascade, col, bachelorIndex, posDaughterIndex, negDaughterIndex);
if constexpr (modes::isEqual(cascadeType, modes::Cascade::kXi)) {
mcBuilder.template fillMcXiWithLabel<system>(col, mcCols, cascade, mcParticles, mcProducts);
mcBuilder.template fillMcXiWithLabel<system>(cascade, mcParticles, mcCols, mcProducts);
}
if constexpr (modes::isEqual(cascadeType, modes::Cascade::kOmega)) {
mcBuilder.template fillMcOmegaWithLabel<system>(col, mcCols, cascade, mcParticles, mcProducts);
mcBuilder.template fillMcOmegaWithLabel<system>(cascade, mcParticles, mcCols, mcProducts);
}
}
}
Expand Down Expand Up @@ -716,7 +716,8 @@ class CascadeBuilder
}
}

bool fillAnyTable() { return mFillAnyTable; }
[[nodiscard]] bool fillAnyTable() const { return mFillAnyTable; }
[[nodiscard]] bool isPassThrough() const { return mCascadeSelection.isPassThrough(); }

private:
CascadeSelection<cascadeType, SelectionHistName, FilterHistName> mCascadeSelection;
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39 changes: 22 additions & 17 deletions PWGCF/Femto/Core/cascadeHistManager.h
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Expand Up @@ -435,15 +435,15 @@ class CascadeHistManager
}
}

template <modes::Mode mode, typename T1, typename T2, typename T3, typename T4, typename T5>
void fill(T1 const& cascadeCandidate, T2 const& tracks, T3 const& mcParticles, T4 const& mcMothers, T5 const& mcPartonicMothers)
template <modes::Mode mode, typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
void fill(T1 const& cascadeCandidate, T2 const& tracks, T3 const& col, T4 const& mcParticles, T5 const& mcMothers, T6 const& mcPartonicMothers)
{
auto posDaughter = tracks.rawIteratorAt(cascadeCandidate.posDauId() - tracks.offset());
mPosDauManager.template fill<mode>(posDaughter, tracks, mcParticles, mcMothers, mcPartonicMothers);
mPosDauManager.template fill<mode>(posDaughter, tracks, col, mcParticles, mcMothers, mcPartonicMothers);
auto negDaughter = tracks.rawIteratorAt(cascadeCandidate.negDauId() - tracks.offset());
mNegDauManager.template fill<mode>(negDaughter, tracks, mcParticles, mcMothers, mcPartonicMothers);
mNegDauManager.template fill<mode>(negDaughter, tracks, col, mcParticles, mcMothers, mcPartonicMothers);
auto bachelor = tracks.rawIteratorAt(cascadeCandidate.bachelorId() - tracks.offset());
mBachelorManager.template fill<mode>(bachelor, tracks, mcParticles, mcMothers, mcPartonicMothers);
mBachelorManager.template fill<mode>(bachelor, tracks, col, mcParticles, mcMothers, mcPartonicMothers);

if constexpr (modes::isFlagSet(mode, modes::Mode::kReco)) {
this->fillAnalysis(cascadeCandidate);
Expand All @@ -452,7 +452,7 @@ class CascadeHistManager
this->fillQa(cascadeCandidate);
}
if constexpr (modes::isFlagSet(mode, modes::Mode::kMc)) {
this->template fillMc<mode>(cascadeCandidate, mcParticles, mcMothers, mcPartonicMothers);
this->template fillMc<mode>(cascadeCandidate, col, mcParticles, mcMothers, mcPartonicMothers);
}
}

Expand Down Expand Up @@ -598,8 +598,8 @@ class CascadeHistManager
}
}

template <modes::Mode mode, typename T1, typename T2, typename T3, typename T4>
void fillMc(T1 const& cascadeCandidate, T2 const& /*mcParticles*/, T3 const& /*mcMothers*/, T4 const& /*mcPartonicMothers*/)
template <modes::Mode mode, typename T1, typename T2, typename T3, typename T4, typename T5>
void fillMc(T1 const& cascadeCandidate, T2 const& col, T3 const& /*mcParticles*/, T4 const& /*mcMothers*/, T5 const& /*mcPartonicMothers*/)
{
// No MC Particle
if (!cascadeCandidate.has_fMcParticle()) {
Expand All @@ -614,42 +614,47 @@ class CascadeHistManager
}

// Retrieve MC particle
auto mcParticle = cascadeCandidate.template fMcParticle_as<T2>();
auto mcParticle = cascadeCandidate.template fMcParticle_as<T3>();

// whether a particle is associated to a wrong collision or not cannot be known by the producer so we check it here
bool fromWrongCollision = mcParticle.fMcColId() != col.fMcColId();

// missidentifed particles are special case
// whether a particle is missidentfied or not cannot be known by the producer so we check it here
bool isMissidentified = mcParticle.pdgCode() != mPdgCode;

mHistogramRegistry->fill(HIST(cascadePrefix) + HIST(McDir) + HIST(getHistName(kTruePtVsPt, HistTable)), mcParticle.pt(), cascadeCandidate.pt());
mHistogramRegistry->fill(HIST(cascadePrefix) + HIST(McDir) + HIST(getHistName(kTrueEtaVsEta, HistTable)), mcParticle.eta(), cascadeCandidate.eta());
mHistogramRegistry->fill(HIST(cascadePrefix) + HIST(McDir) + HIST(getHistName(kTruePhiVsPhi, HistTable)), mcParticle.phi(), cascadeCandidate.phi());
if (isMissidentified) {
mHistogramRegistry->fill(HIST(cascadePrefix) + HIST(McDir) + HIST(getHistName(kOrigin, HistTable)), static_cast<int>(modes::McOrigin::kMissidentified));
if (fromWrongCollision) {
mHistogramRegistry->fill(HIST(cascadePrefix) + HIST(McDir) + HIST(getHistName(kOrigin, HistTable)), static_cast<float>(modes::McOrigin::kFromWrongCollision));
} else if (isMissidentified) {
mHistogramRegistry->fill(HIST(cascadePrefix) + HIST(McDir) + HIST(getHistName(kOrigin, HistTable)), static_cast<float>(modes::McOrigin::kMissidentified));
} else {
mHistogramRegistry->fill(HIST(cascadePrefix) + HIST(McDir) + HIST(getHistName(kOrigin, HistTable)), mcParticle.origin());
}
mHistogramRegistry->fill(HIST(cascadePrefix) + HIST(McDir) + HIST(getHistName(kPdg, HistTable)), mcParticle.pdgCode());

// get mother
if (mcParticle.has_fMcMother()) {
auto mother = mcParticle.template fMcMother_as<T3>();
auto mother = mcParticle.template fMcMother_as<T4>();
mHistogramRegistry->fill(HIST(cascadePrefix) + HIST(McDir) + HIST(getHistName(kPdgMother, HistTable)), mother.pdgCode());
} else {
mHistogramRegistry->fill(HIST(cascadePrefix) + HIST(McDir) + HIST(getHistName(kPdgMother, HistTable)), 0);
}

// get partonic mother
if (mcParticle.has_fMcPartMoth()) {
auto partonicMother = mcParticle.template fMcPartMoth_as<T4>();
auto partonicMother = mcParticle.template fMcPartMoth_as<T5>();
mHistogramRegistry->fill(HIST(cascadePrefix) + HIST(McDir) + HIST(getHistName(kPdgPartonicMother, HistTable)), partonicMother.pdgCode());
} else {
mHistogramRegistry->fill(HIST(cascadePrefix) + HIST(McDir) + HIST(getHistName(kPdgPartonicMother, HistTable)), 0);
}

if constexpr (modes::isFlagSet(mode, modes::Mode::kQa)) {
if (mPlotOrigins) {
// check first if particle is missidentified
if (isMissidentified) {
if (fromWrongCollision) {
mHistogramRegistry->fill(HIST(cascadePrefix) + HIST(McDir) + HIST(getHistName(kFromWrongCollision, HistTable)), cascadeCandidate.pt(), cascadeCandidate.cascadeCosPa());
} else if (isMissidentified) {
// if it is, we fill it as such
mHistogramRegistry->fill(HIST(cascadePrefix) + HIST(McDir) + HIST(getHistName(kMissidentified, HistTable)), cascadeCandidate.pt(), cascadeCandidate.cascadeCosPa());
} else {
Expand All @@ -666,7 +671,7 @@ class CascadeHistManager
break;
case modes::McOrigin::kFromSecondaryDecay:
if (mcParticle.has_fMcMother()) {
auto mother = mcParticle.template fMcMother_as<T3>();
auto mother = mcParticle.template fMcMother_as<T4>();
int motherPdgCode = std::abs(mother.pdgCode());
// Switch on PDG of the mother
if (mPlotNSecondaries >= histmanager::kSecondaryPlotLevel1 && motherPdgCode == mPdgCodesSecondaryMother[0]) {
Expand Down
9 changes: 6 additions & 3 deletions PWGCF/Femto/Core/charmHadronBuilder.h
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Expand Up @@ -444,18 +444,21 @@ class CharmHadronBuilder

auto prong0 = candidate.template prong0_as<T8>();
auto prong1 = candidate.template prong1_as<T8>();
posDauIndex = trackBuilder.template getDaughterIndex<system, modes::Track::kCharmDaughter>(col, collisionBuilder, mcCols, prong0, trackProducts, mcParticles, mcBuilder, mcProducts);
negDauIndex = trackBuilder.template getDaughterIndex<system, modes::Track::kCharmDaughter>(col, collisionBuilder, mcCols, prong1, trackProducts, mcParticles, mcBuilder, mcProducts);
posDauIndex = trackBuilder.template getDaughterIndex<system, modes::Track::kCharmDaughter>(prong0, trackProducts, mcCols, collisionBuilder, mcParticles, mcBuilder, mcProducts);
negDauIndex = trackBuilder.template getDaughterIndex<system, modes::Track::kCharmDaughter>(prong1, trackProducts, mcCols, collisionBuilder, mcParticles, mcBuilder, mcProducts);

if constexpr (modes::isEqual(hadronType, modes::CharmHadron::kD0)) {
this->fillD0Tables(collisionProducts, d0Products, candidate, candidate.pt(), mHfHelper.invMassD0ToPiK(candidate), posDauIndex, negDauIndex);
} else {
this->fillD0Tables(collisionProducts, d0Products, candidate, -candidate.pt(), mHfHelper.invMassD0barToKPi(candidate), posDauIndex, negDauIndex);
}
mcBuilder.template fillMcD0WithLabel<system>(col, mcCols, candidate, tracks, mcParticles, mcProducts);
mcBuilder.template fillMcD0WithLabel<system>(candidate, tracks, mcParticles, mcCols, mcProducts);
}
}

[[nodiscard]] bool fillAnyTable() const { return mFillAnyTable; }
[[nodiscard]] bool isPassThrough() const { return mD0Selection.isPassThrough(); }

private:
D0Selection<hadronType, SelectionHistName, FilterHistName> mD0Selection;
HfHelper mHfHelper;
Expand Down
8 changes: 4 additions & 4 deletions PWGCF/Femto/Core/charmHadronHistManager.h
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Expand Up @@ -308,13 +308,13 @@ class CharmHadronHistManager
}
}

template <modes::Mode mode, typename T1, typename T2, typename T3, typename T4, typename T5>
void fill(T1 const& charmHadronCandidate, T2 const& tracks, T3 const& mcParticles, T4 const& mcMothers, T5 const& mcPartonicMothers)
template <modes::Mode mode, typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
void fill(T1 const& charmHadronCandidate, T2 const& tracks, T3 const& col, T4 const& mcParticles, T5 const& mcMothers, T6 const& mcPartonicMothers)
{
auto prong0 = tracks.rawIteratorAt(charmHadronCandidate.posDauId() - tracks.offset());
mProng0Manager.template fill<mode>(prong0, tracks, mcParticles, mcMothers, mcPartonicMothers);
mProng0Manager.template fill<mode>(prong0, tracks, col, mcParticles, mcMothers, mcPartonicMothers);
auto prong1 = tracks.rawIteratorAt(charmHadronCandidate.negDauId() - tracks.offset());
mProng1Manager.template fill<mode>(prong1, tracks, mcParticles, mcMothers, mcPartonicMothers);
mProng1Manager.template fill<mode>(prong1, tracks, col, mcParticles, mcMothers, mcPartonicMothers);

if constexpr (modes::isFlagSet(mode, modes::Mode::kReco)) {
this->fillAnalysis(charmHadronCandidate);
Expand Down
4 changes: 3 additions & 1 deletion PWGCF/Femto/Core/collisionBuilder.h
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Expand Up @@ -694,7 +694,7 @@ class CollisionBuilder
return;
}
this->template fillCollision<system>(collisionProducts, col);
mcBuilder.template fillMcCollisionWithLabel<system>(mcProducts, col, mcCols);
mcBuilder.template fillMcCollisionWithLabel<system>(col, mcCols, mcProducts);
}

[[nodiscard]] int64_t collisionIndex() const { return mCurrentCollisionIndex; }
Expand All @@ -704,6 +704,8 @@ class CollisionBuilder
mCurrentCollisionIndex = -1;
}

[[nodiscard]] bool fillAnyTable() const { return mFillAnyTable; }
[[nodiscard]] bool isPassThrough() const { return mCollisionSelection.isPassThrough(); }
[[nodiscard]] bool producingCollisions() const { return mProducedCollisions; }
[[nodiscard]] bool producingLiteCollisions() const { return mProducedLiteCollisions; }

Expand Down
9 changes: 5 additions & 4 deletions PWGCF/Femto/Core/kinkBuilder.h
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Expand Up @@ -619,15 +619,15 @@ class KinkBuilder
collisionBuilder.template fillMcCollision<system>(collisionProducts, col, mcCols, mcProducts, mcBuilder);

auto daughter = kink.template trackDaug_as<T8>();
daughterIndex = trackBuilder.template getDaughterIndex<system, modes::Track::kKinkDaughter>(col, collisionBuilder, mcCols, daughter, trackProducts, mcParticles, mcBuilder, mcProducts);
daughterIndex = trackBuilder.template getDaughterIndex<system, modes::Track::kKinkDaughter>(daughter, trackProducts, mcCols, collisionBuilder, mcParticles, mcBuilder, mcProducts);

if constexpr (modes::isEqual(kinkType, modes::Kink::kSigma)) {
fillSigma(collisionBuilder, kinkProducts, kink, daughterIndex);
mcBuilder.template fillMcSigmaWithLabel<system>(col, mcCols, daughter, mcParticles, mcProducts);
mcBuilder.template fillMcSigmaWithLabel<system>(daughter, mcParticles, mcCols, mcProducts);
}
if constexpr (modes::isEqual(kinkType, modes::Kink::kSigmaPlus)) {
fillSigmaPlus(collisionBuilder, kinkProducts, kink, daughterIndex);
mcBuilder.template fillMcSigmaPlusWithLabel<system>(col, mcCols, daughter, mcParticles, mcProducts);
mcBuilder.template fillMcSigmaPlusWithLabel<system>(daughter, mcParticles, mcCols, mcProducts);
}
}
}
Expand Down Expand Up @@ -707,7 +707,8 @@ class KinkBuilder
}
}

bool fillAnyTable() { return mFillAnyTable; }
[[nodiscard]] bool fillAnyTable() const { return mFillAnyTable; }
[[nodiscard]] bool isPassThrough() const { return mKinkSelection.isPassThrough(); }

private:
KinkSelection<kinkType, SelectionHistName, FilterHistName> mKinkSelection;
Expand Down
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