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[PWGLF,PWGMM] dndetaMFTPbPb.cxx: Fix collision table in MC DCA checks #18595

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Merged
gbencedi merged 1 commit into from
Nov 4, 2026
Merged

[PWGLF,PWGMM] dndetaMFTPbPb.cxx: Fix collision table in MC DCA checks #18595

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16 changes: 7 additions & 9 deletions PWGMM/Mult/Tasks/dndetaMFTPbPb.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -524,7 +524,7 @@ struct DndetaMFTPbPb {
doprocessMcEfficiencyBestInclusive || doprocessMcEfficiencyBestCentFT0C ||
doprocessMcEfficiencyIdxBestInlusive || doprocessMcEfficiencyIdxBestCentFT0C ||
doprocessMcEfficiencyIdxBestLightInlusive || doprocessMcEfficiencyIdxBestLightCentFT0C ||
doprocessDataCorrelationwBestTracksInclusive) {
doprocessDataCorrelationwBestTracksInclusive || doprocessMcReassocDCA) {
registryQC.add("Tracks/hBestTrkSel", "Number of best tracks; Cut; #Tracks Passed Cut", {HistType::kTH1F, {{static_cast<int>(TrkBestSel::nTrkBestSel), -0.5, +static_cast<int>(TrkBestSel::nTrkBestSel) - 0.5}}});
std::array<std::string_view, static_cast<int>(TrkBestSel::nTrkBestSel)> labelTrkTrkBestSel{
"All",
Expand Down Expand Up @@ -881,7 +881,6 @@ struct DndetaMFTPbPb {
using Colls = soa::Join<aod::Collisions, aod::EvSels>;
using CollsCentFT0C = soa::Join<aod::Collisions, aod::CentFT0Cs, aod::EvSels>;
using CollsGenCentFT0C = soa::Join<aod::McCollisionLabels, aod::Collisions, aod::CentFT0Cs, aod::EvSels>;
using CollsGenCentFT0CExtra = soa::Join<aod::McCollisionLabels, aod::Collisions, aod::CentFT0Cs, aod::EvSels, aod::MultMCExtras, aod::McCollsExtra>;
using CollsCorr = soa::Join<aod::Collisions, aod::EvSels, aod::Mults, aod::PVMults, aod::CentFT0Cs, aod::CentFV0As, aod::CentFT0CVariant1s, aod::CentFT0Ms, aod::CentNGlobals, aod::CentMFTs>;
using CollsMCExtra = soa::Join<aod::McCollisions, aod::McCollsExtra>;
using CollsMCExtraMult = soa::Join<aod::McCollisions, aod::MultMCExtras, aod::McCollsExtra>;
Expand Down Expand Up @@ -977,10 +976,10 @@ struct DndetaMFTPbPb {
std::unordered_map<int, int> mapRecToMc;
std::unordered_map<int, int> mapMcToRec;

PresliceUnsorted<CollsGenCentFT0CExtra> perCollMcRec = aod::mccollisionlabel::mcCollisionId;
PresliceUnsorted<CollsGenCentFT0C> perCollMcRec = aod::mccollisionlabel::mcCollisionId;

template <typename MC, typename P>
void createMCIds(MC const& mcCollisions, CollsGenCentFT0CExtra const& collisions, P const& particles)
void createMCIds(MC const& mcCollisions, CollsGenCentFT0C const& collisions, P const& particles)
{
const auto& nMcColls = mcCollisions.size();
LOG(info) << "MC collisions: " << nMcColls;
Expand Down Expand Up @@ -3245,7 +3244,7 @@ struct DndetaMFTPbPb {

PROCESS_SWITCH(DndetaMFTPbPb, processMcSgnEvtLossCentFT0C, "Process Signal/event loss based on MC (in FT0C centrality bins)", false);

void processMcReassocDCA(CollsGenCentFT0CExtra const& collisions,
void processMcReassocDCA(CollsGenCentFT0C const& collisions,
CollsMCExtra const& mcCollisions,
aod::McParticles const& particles,
MftBestTracksLabeled const& besttracks,
Expand All @@ -3256,7 +3255,7 @@ struct DndetaMFTPbPb {
int nNoMC{0};
for (const auto& collision : collisions) {
auto crec = getRecoCent(collision);
registryMC.fill(HIST("Events/Centrality/EvtGenRecReassoc"), 2., crec);
registryMC.fill(HIST("Events/Centrality/EvtGenRecReassoc"), 1., crec);
if (gConf.useEvtSel && !isGoodEvent<true>(collision)) {
continue;
}
Expand All @@ -3270,15 +3269,15 @@ struct DndetaMFTPbPb {
nNoMC++;
continue;
}
registryMC.fill(HIST("Events/Centrality/EvtGenRecReassoc"), 3., crec);
registryMC.fill(HIST("Events/Centrality/EvtGenRecReassoc"), 2., crec);
if (gConf.rmSplitVertex && (!setRecCollSel.contains(collision.globalIndex()))) {
continue;
}
auto mcColl = collision.mcCollision_as<CollsMCExtra>();
if (eventCuts.useZVtxCutMC && (std::abs(mcColl.posZ()) >= eventCuts.maxZvtx)) {
continue;
}
registryMC.fill(HIST("Events/Centrality/EvtGenRecReassoc"), 4., crec);
registryMC.fill(HIST("Events/Centrality/EvtGenRecReassoc"), 3., crec);

auto perCollisionASample = besttracks.sliceBy(perColBestTrks, collision.globalIndex());
for (auto const& atrack : perCollisionASample) {
Expand All @@ -3287,7 +3286,6 @@ struct DndetaMFTPbPb {
}
const float bestDcaZ = getDCAz(atrack);
auto itrack = atrack.template mfttrack_as<MftTracksLabeled>();

if (!isTrackSelected<true>(itrack)) {
continue;
}
Expand Down
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