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[Trigger,PWGHF] Adding the missed Deuteron part for femto charm 2prong channel #14818

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Merged
dsekihat merged 3 commits into from
Feb 5, 2026
Merged

[Trigger,PWGHF] Adding the missed Deuteron part for femto charm 2prong channel #14818

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e8f4692
Update HFFilter.cxx
zhangbiao-phy Feb 5, 2026
869c9a1
Please consider the following formatting changes
alibuild Feb 5, 2026
41da26d
Merge pull request #74 from alibuild/alibot-cleanup-14818
zhangbiao-phy Feb 5, 2026
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23 changes: 19 additions & 4 deletions EventFiltering/PWGHF/HFFilter.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -815,9 +815,11 @@ struct HfFilter { // Main struct for HF triggers
} // end beauty selection

// 2-prong femto
if (!keepEvent[kFemto2P] && enableFemtoChannels->get(0u, 0u) && isD0CharmTagged && track.collisionId() == thisCollId) {
bool isProton = helper.isSelectedTrack4Femto(track, trackParThird, activateQA, hPrDePID[0], hPrDePID[1], kProtonForFemto);
if (isProton) {
bool isProtonForCharm2Prong = helper.isSelectedTrack4Femto(track, trackParThird, activateQA, hPrDePID[0], hPrDePID[1], kProtonForFemto);
bool isDeuteronForCharm2Prong = helper.isSelectedTrack4Femto(track, trackParThird, activateQA, hPrDePID[2], hPrDePID[3], kDeuteronForFemto);

if (track.collisionId() == thisCollId) {
if (isProtonForCharm2Prong && !keepEvent[kFemto2P] && enableFemtoChannels->get(0u, 0u) && isD0CharmTagged) {
float relativeMomentum = helper.computeRelativeMomentum(pVecThird, pVec2Prong, massD0);
if (applyOptimisation) {
optimisationTreeFemto(thisCollId, o2::constants::physics::Pdg::kD0, pt2Prong, scores[0], scores[1], scores[2], relativeMomentum, track.tpcNSigmaPr(), track.tofNSigmaPr(), track.tpcNSigmaDe(), track.tofNSigmaDe());
Expand All @@ -829,7 +831,20 @@ struct HfFilter { // Main struct for HF triggers
}
}
}
} // end femto selection

if (isDeuteronForCharm2Prong && !keepEvent[kFemto2P] && enableFemtoChannels->get(1u, 0u) && isD0CharmTagged) {
float relativeMomentum = helper.computeRelativeMomentum(pVecThird, pVec2Prong, massD0);
if (applyOptimisation) {
optimisationTreeFemto(thisCollId, o2::constants::physics::Pdg::kD0, pt2Prong, scores[0], scores[1], scores[2], relativeMomentum, track.tpcNSigmaPr(), track.tofNSigmaPr(), track.tpcNSigmaDe(), track.tofNSigmaDe());
}
if (relativeMomentum < femtoMaxRelativeMomentum) {
keepEvent[kFemto2P] = true;
if (activateQA) {
hCharmDeuteronKstarDistr[kD0]->Fill(relativeMomentum);
}
}
}
} // end femto charm 2prong selection

// Beauty with JPsi
if (preselJPsiToMuMu) {
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