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[PWGDQ] use momentum scaling method in reduced candidates table filling #16445

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mcoquet642 merged 1 commit into from
May 29, 2026
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[PWGDQ] use momentum scaling method in reduced candidates table filling #16445

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13 changes: 8 additions & 5 deletions PWGDQ/Tasks/qaMatching.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -2933,7 +2933,7 @@ struct QaMatching {

//-------------------------------
// Chi2-based matching from production
fillQaMatchingAodTablesForCollision(collision, muonTracks, collisionInfo.matchingCandidates, matchingMethodCounter, collisionInfo.reducedEventId, collisionInfo.reducedMchTrackIds);
fillQaMatchingAodTablesForCollision(collision, muonTracks, mftTracks, collisionInfo.matchingCandidates, matchingMethodCounter, collisionInfo.reducedEventId, collisionInfo.reducedMchTrackIds);
if constexpr (isMC) {
fillMatchingPlotsMc(collision, collisionInfo, muonTracks, mftTracks, collisionInfo.matchingCandidates, collisionInfo.matchingCandidates, collisionInfo.matchablePairs, cfgMatchingChi2ScoreMftMchLow, fChi2MatchingPlotter.get(), false);
} else {
Expand Down Expand Up @@ -2987,7 +2987,7 @@ struct QaMatching {
double matchingScoreCut = matchingScoreCuts.at(label);

matchingMethodCounter += 1;
fillQaMatchingAodTablesForCollision(collision, muonTracks, matchingCandidates, matchingMethodCounter, collisionInfo.reducedEventId, collisionInfo.reducedMchTrackIds);
fillQaMatchingAodTablesForCollision(collision, muonTracks, mftTracks, matchingCandidates, matchingMethodCounter, collisionInfo.reducedEventId, collisionInfo.reducedMchTrackIds);
if constexpr (isMC) {
fillMatchingPlotsMc(collision, collisionInfo, muonTracks, mftTracks, matchingCandidates, collisionInfo.matchingCandidates, collisionInfo.matchablePairs, matchingScoreCut, plotter, false);
} else {
Expand All @@ -3005,7 +3005,7 @@ struct QaMatching {
double matchingScoreCut = matchingScoreCuts.at(label);

matchingMethodCounter += 1;
fillQaMatchingAodTablesForCollision(collision, muonTracks, matchingCandidates, matchingMethodCounter, collisionInfo.reducedEventId, collisionInfo.reducedMchTrackIds);
fillQaMatchingAodTablesForCollision(collision, muonTracks, mftTracks, matchingCandidates, matchingMethodCounter, collisionInfo.reducedEventId, collisionInfo.reducedMchTrackIds);
if constexpr (isMC) {
fillMatchingPlotsMc(collision, collisionInfo, muonTracks, mftTracks, matchingCandidates, collisionInfo.matchingCandidates, collisionInfo.matchablePairs, matchingScoreCut, plotter);
} else {
Expand All @@ -3018,9 +3018,10 @@ struct QaMatching {
fillDimuonPlotsMc(collisionInfo, collisions, muonTracks, mftTracks);
}

template <class TCOLLISION, class TMUON>
template <class TCOLLISION, class TMUON, class TMFT>
void fillQaMatchingAodTablesForCollision(TCOLLISION const& collision,
TMUON const& muonTracks,
TMFT const& mftTracks,
const MatchingCandidates& matchingCandidates,
int8_t matchLabel,
int32_t reducedEventId,
Expand All @@ -3044,7 +3045,9 @@ struct QaMatching {

for (const auto& candidate : candidates) {
const auto& candidateTrack = muonTracks.rawIteratorAt(candidate.globalTrackId);
auto candidateTrackAtVertex = VarManager::PropagateMuon(candidateTrack, collision, VarManager::kToVertex);
const auto& mftTrack = mftTracks.rawIteratorAt(candidate.mftTrackId);
// propagate global forward track to vertex using momentum rescaling method
auto candidateTrackAtVertex = propagateToVertexMft(mftTrack, mchTrack, collision);
qaMatchingCandidates(
reducedEventId,
reducedMchTrackId,
Expand Down
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