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[PWGHF] Fill correct sign of D0 in the Charm table and add flag for the nSigma PID in the Femto task #14356

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Merged
zhangbiao-phy merged 3 commits into from
Dec 28, 2025
+45 −8
Merged

[PWGHF] Fill correct sign of D0 in the Charm table and add flag for the nSigma PID in the Femto task #14356

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b97b477
Update producerCharmHadronsTrackFemtoDream.cxx
zhangbiao-phy Dec 27, 2025
a495bf5
Update taskCharmHadronsTrackFemtoDream.cxx
zhangbiao-phy Dec 27, 2025
7b0742a
Update producerCharmHadronsTrackFemtoDream.cxx
zhangbiao-phy Dec 27, 2025
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10 changes: 9 additions & 1 deletion PWGHF/HFC/TableProducer/producerCharmHadronsTrackFemtoDream.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -586,10 +586,18 @@ struct HfProducerCharmHadronsTrackFemtoDream {
bdtScoreFd);

} else if constexpr (Channel == DecayChannel::D0ToPiK) {
int signD0 = 0;
if (candFlag == 0) {
signD0 = +1; // D0
} else if (candFlag == 1) {
signD0 = -1; // anti-D0
} else {
LOG(error) << "Unexpected candFlag = " << candFlag;
}
rowCandCharm2Prong(
outputCollision.lastIndex(),
timeStamp,
trackPos1.sign() + trackNeg.sign(),
signD0,
trackPos1.globalIndex(),
trackNeg.globalIndex(),
trackPos1.pt(),
Expand Down
43 changes: 36 additions & 7 deletions PWGHF/HFC/Tasks/taskCharmHadronsTrackFemtoDream.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -767,7 +767,30 @@ struct HfTaskCharmHadronsTrackFemtoDream {
: NegativeCharge;

timeStamp = part.timeStamp();

float tpcNSigma = 999.f;
float tofNSigma = 999.f;
switch (trackSel.pdgCodeTrack1.value) {
case kProton:
tpcNSigma = part.tpcNSigmaPr();
tofNSigma = part.tofNSigmaPr();
break;
case kPiPlus:
tpcNSigma = part.tpcNSigmaPi();
tofNSigma = part.tofNSigmaPi();
break;
case kKPlus:
tpcNSigma = part.tpcNSigmaKa();
tofNSigma = part.tofNSigmaKa();
break;
case kDeuteron:
tpcNSigma = part.tpcNSigmaDe();
tofNSigma = part.tofNSigmaDe();
break;
default:
LOG(fatal) << "Unhandled PDG code in PID switch: "
<< trackSel.pdgCodeTrack1.value;
break;
}
rowFemtoResultTrk(
col.globalIndex(),
timeStamp,
Expand All @@ -779,8 +802,8 @@ struct HfTaskCharmHadronsTrackFemtoDream {
part.tpcNClsFound(),
part.tpcNClsFindable(),
part.tpcNClsCrossedRows(),
part.tpcNSigmaPr(),
part.tofNSigmaPr());
tpcNSigma,
tofNSigma);
}

// ---- Fill Collision Table ----
Expand Down Expand Up @@ -874,9 +897,12 @@ struct HfTaskCharmHadronsTrackFemtoDream {
auto sliceCharmHad = partitionCharmHadron2Prong->sliceByCached(aod::femtodreamparticle::fdCollisionId, col.globalIndex(), cache);
if (fillTableWithCharm.value && sliceCharmHad.size() == 0) {
continue;
} else {
fillTables<false, DecayChannel::D0ToPiK>(col, sliceTrk1, sliceCharmHad);
}
if (sliceCharmHad.size() > 0 && sliceTrk1.size() > 0) {
doSameEvent<false, DecayChannel::D0ToPiK, FilteredCharmCand2Prongs>(sliceCharmHad, sliceTrk1, parts, col);
}
fillTables<false, DecayChannel::D0ToPiK>(col, sliceTrk1, sliceCharmHad);
doSameEvent<false, DecayChannel::D0ToPiK, FilteredCharmCand2Prongs>(sliceCharmHad, sliceTrk1, parts, col);
}
if (mixSetting.doMixEvent) {
switch (mixSetting.mixingBinPolicy) {
Expand Down Expand Up @@ -906,9 +932,12 @@ struct HfTaskCharmHadronsTrackFemtoDream {
auto sliceCharmHad = partitionCharmHadronDstar->sliceByCached(aod::femtodreamparticle::fdCollisionId, col.globalIndex(), cache);
if (fillTableWithCharm.value && sliceCharmHad.size() == 0) {
continue;
} else {
fillTables<false, DecayChannel::DstarToD0Pi>(col, sliceTrk1, sliceCharmHad);
}
if (sliceCharmHad.size() > 0 && sliceTrk1.size() > 0) {
doSameEvent<false, DecayChannel::DstarToD0Pi, FilteredCharmCandDstars>(sliceCharmHad, sliceTrk1, parts, col);
}
fillTables<false, DecayChannel::DstarToD0Pi>(col, sliceTrk1, sliceCharmHad);
doSameEvent<false, DecayChannel::DstarToD0Pi, FilteredCharmCandDstars>(sliceCharmHad, sliceTrk1, parts, col);
}
if (mixSetting.doMixEvent) {
switch (mixSetting.mixingBinPolicy) {
Expand Down
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