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[PWGEM/Dilepton] add a table containing a flag for correct match MFT-MCH in MC #14807

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Merged
dsekihat merged 1 commit into from
Feb 4, 2026
+21 −9
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[PWGEM/Dilepton] add a table containing a flag for correct match MFT-MCH in MC #14807

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14 changes: 9 additions & 5 deletions PWGEM/Dilepton/DataModel/dileptonTables.h
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Original file line number Diff line number Diff line change
Expand Up @@ -795,11 +795,11 @@ DECLARE_SOA_COLUMN(EtaMatchedMCHMIDatMP, etaMatchedMCHMIDatMP, float); //! eta o
DECLARE_SOA_COLUMN(PhiMatchedMCHMIDatMP, phiMatchedMCHMIDatMP, float); //! phi of MCH-MID track in MFT-MCH-MID track at matching plane
DECLARE_SOA_COLUMN(EtaMatchedMFTatMP, etaMatchedMFTatMP, float); //! eta of MFT track in MFT-MCH-MID track at matching plane
DECLARE_SOA_COLUMN(PhiMatchedMFTatMP, phiMatchedMFTatMP, float); //! phi of MFT track in MFT-MCH-MID track at matching plane

DECLARE_SOA_COLUMN(IsAssociatedToMPC, isAssociatedToMPC, bool); //! is associated to most probable collision
DECLARE_SOA_COLUMN(IsAmbiguous, isAmbiguous, bool); //! is ambiguous
DECLARE_SOA_COLUMN(Sign, sign, int8_t); //!
DECLARE_SOA_COLUMN(Chi2MFT, chi2MFT, float); //! chi2 of MFT standalone track
DECLARE_SOA_COLUMN(IsAssociatedToMPC, isAssociatedToMPC, bool); //! is associated to most probable collision
DECLARE_SOA_COLUMN(IsAmbiguous, isAmbiguous, bool); //! is ambiguous
DECLARE_SOA_COLUMN(IsCorrectMatchMFTMCH, isCorrectMatchMFTMCH, bool); //! is correct match between MFT and MCH, only for MC
DECLARE_SOA_COLUMN(Sign, sign, int8_t); //!
DECLARE_SOA_COLUMN(Chi2MFT, chi2MFT, float); //! chi2 of MFT standalone track
DECLARE_SOA_DYNAMIC_COLUMN(Signed1Pt, signed1Pt, [](float pt, int8_t sign) -> float { return sign * 1. / pt; });
DECLARE_SOA_DYNAMIC_COLUMN(P, p, [](float pt, float eta) -> float { return pt * std::cosh(eta); });
DECLARE_SOA_DYNAMIC_COLUMN(Px, px, [](float pt, float phi) -> float { return pt * std::cos(phi); });
Expand Down Expand Up @@ -907,6 +907,10 @@ DECLARE_SOA_TABLE(EMGlobalMuonSelfIds, "AOD", "EMGLMUSELFID", emprimarymuon::Glo
// iterators
using EMGlobalMuonSelfId = EMGlobalMuonSelfIds::iterator;

DECLARE_SOA_TABLE(EMPrimaryMuonsMatchMC, "AOD", "EMMUONMATCHMC", emprimarymuon::IsCorrectMatchMFTMCH); // To be joined with EMPrimaryMuons table at analysis level. only for MC.
// iterators
using EMPrimaryMuonMatchMC = EMPrimaryMuonsMatchMC::iterator;

namespace oldemprimarytrack
{
DECLARE_SOA_COLUMN(Sign, sign, int8_t);
Expand Down
16 changes: 12 additions & 4 deletions PWGEM/Dilepton/TableProducer/skimmerPrimaryMuon.cxx
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Expand Up @@ -65,6 +65,7 @@ struct skimmerPrimaryMuon {

Produces<aod::EMPrimaryMuons> emprimarymuons;
Produces<aod::EMPrimaryMuonsCov> emprimarymuonscov;
Produces<aod::EMPrimaryMuonsMatchMC> emprimarymuonsmatchmc;

// Configurables
Configurable<std::string> ccdburl{"ccdb-url", "http://alice-ccdb.cern.ch", "url of the ccdb repository"};
Expand Down Expand Up @@ -313,6 +314,7 @@ struct skimmerPrimaryMuon {

float deta = 999.f;
float dphi = 999.f;
bool isCorrectMatchMFTMCH = true; // by default, it is true. it is evaluated for global muons in MC.

if (fwdtrack.trackType() == o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) {
// apply r-absorber cut here to minimize the number of calling propagateMuon.
Expand All @@ -329,9 +331,13 @@ struct skimmerPrimaryMuon {
auto mfttrack = fwdtrack.template matchMFTTrack_as<TMFTTracks>(); // MFTsa

if constexpr (isMC) {
if (!mfttrack.has_mcParticle()) {
if (!mfttrack.has_mcParticle() || !mchtrack.has_mcParticle() || !fwdtrack.has_mcParticle()) {
return false;
}
// auto mcParticle_MFTMCHMID = fwdtrack.template mcParticle_as<aod::McParticles>(); // this is identical to mcParticle_MCHMID
auto mcParticle_MCHMID = mchtrack.template mcParticle_as<aod::McParticles>(); // this is identical to mcParticle_MFTMCHMID
auto mcParticle_MFT = mfttrack.template mcParticle_as<aod::McParticles>();
isCorrectMatchMFTMCH = static_cast<bool>(mcParticle_MCHMID.globalIndex() == mcParticle_MFT.globalIndex());
}

nClustersMFT = mfttrack.nClusters();
Expand Down Expand Up @@ -475,6 +481,8 @@ struct skimmerPrimaryMuon {
// <X,TANL> <Y,TANL> <PHI,TANL> <TANL,TANL> <INVQPT,TANL>
// <X,INVQPT> <Y,INVQPT> <PHI,INVQPT> <TANL,INVQPT> <INVQPT,INVQPT>

emprimarymuonsmatchmc(isCorrectMatchMFTMCH);

if (fillQAHistograms) {
fRegistry.fill(HIST("hMuonType"), fwdtrack.trackType());
if (fwdtrack.trackType() == o2::aod::fwdtrack::ForwardTrackTypeEnum::GlobalMuonTrack) {
Expand Down Expand Up @@ -1166,7 +1174,7 @@ struct skimmerPrimaryMuon {
}
PROCESS_SWITCH(skimmerPrimaryMuon, processRec_TTCA_SWT_withMFTCov, "process reconstructed info", false);

void processMC_SA(soa::Join<MyCollisions, aod::McCollisionLabels> const& collisions, MyFwdTracksMC const& fwdtracks, MFTTracksMC const& mfttracks, aod::BCsWithTimestamps const&)
void processMC_SA(soa::Join<MyCollisions, aod::McCollisionLabels> const& collisions, MyFwdTracksMC const& fwdtracks, MFTTracksMC const& mfttracks, aod::BCsWithTimestamps const&, aod::McParticles const&)
{
vec_min_chi2MatchMCHMFT.reserve(fwdtracks.size());
// vec_min_dr.reserve(fwdtracks.size());
Expand Down Expand Up @@ -1251,7 +1259,7 @@ struct skimmerPrimaryMuon {
}
PROCESS_SWITCH(skimmerPrimaryMuon, processMC_SA, "process reconstructed and MC info", false);

void processMC_TTCA(soa::Join<MyCollisions, aod::McCollisionLabels> const& collisions, MyFwdTracksMC const& fwdtracks, MFTTracksMC const& mfttracks, aod::BCsWithTimestamps const&, aod::FwdTrackAssoc const& fwdtrackIndices)
void processMC_TTCA(soa::Join<MyCollisions, aod::McCollisionLabels> const& collisions, MyFwdTracksMC const& fwdtracks, MFTTracksMC const& mfttracks, aod::BCsWithTimestamps const&, aod::FwdTrackAssoc const& fwdtrackIndices, aod::McParticles const&)
{
vec_min_chi2MatchMCHMFT.reserve(fwdtracks.size());
// vec_min_dr.reserve(fwdtracks.size());
Expand Down Expand Up @@ -1346,7 +1354,7 @@ struct skimmerPrimaryMuon {
}
PROCESS_SWITCH(skimmerPrimaryMuon, processMC_TTCA, "process reconstructed and MC info", false);

void processMC_TTCA_withMFTCov(soa::Join<MyCollisions, aod::McCollisionLabels> const& collisions, MyFwdTracksMC const& fwdtracks, MFTTracksMC const& mfttracks, aod::BCsWithTimestamps const&, aod::FwdTrackAssoc const& fwdtrackIndices, aod::MFTTracksCov const& mftCovs)
void processMC_TTCA_withMFTCov(soa::Join<MyCollisions, aod::McCollisionLabels> const& collisions, MyFwdTracksMC const& fwdtracks, MFTTracksMC const& mfttracks, aod::BCsWithTimestamps const&, aod::FwdTrackAssoc const& fwdtrackIndices, aod::MFTTracksCov const& mftCovs, aod::McParticles const&)
{
for (const auto& mfttrackConv : mftCovs) {
map_mfttrackcovs[mfttrackConv.matchMFTTrackId()] = mfttrackConv.globalIndex();
Expand Down
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