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PWGHF: fix processMc for sigmac. #3844

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Merged
fgrosa merged 2 commits into from
Nov 16, 2023
Merged

PWGHF: fix processMc for sigmac. #3844

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0c69e9c
PWGHF: fix processing on MC for SigmaC.
Nov 14, 2023
3b6c5c4
Use TESTBIT to check flagMcMatchRec
mfaggin Nov 15, 2023
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13 changes: 10 additions & 3 deletions PWGHF/D2H/Tasks/taskSigmac.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -427,9 +427,9 @@ struct HfTaskSigmac {
/// @param mcParticles are the generated particles with flags wheter they are Σc0,++ or not
/// @param
void processMc(soa::Join<aod::HfCandSc, aod::HfCandScMcRec> const& candidatesSc,
aod::McParticles const& mcParticles,
soa::Join<aod::McParticles, aod::HfCandScMcGen> const& mcParticlesSc,
soa::Join<aod::McParticles, aod::HfCand3ProngMcGen> const& mcParticlesLc,
aod::McParticles const& mcParticles, // this establishes the type of particle obtained with the .mcParticle() getter
soa::Join<aod::HfCand3Prong, aod::HfSelLc, aod::HfCand3ProngMcRec> const& candidatesLc,
aod::TracksWMc const&)
{
Expand Down Expand Up @@ -881,17 +881,24 @@ struct HfTaskSigmac {
if (enableTHn) {
/// loop over Λc+ candidates w/o Σc0,++ mass-window cut
for (const auto& candidateLc : candidatesLc) {
if (!TESTBIT(std::abs(candidateLc.flagMcMatchRec()), aod::hf_cand_3prong::DecayType::LcToPKPi)) {
continue;
}
double massLc(-1.);
double ptLc(candidateLc.pt());
double decLengthLc(candidateLc.decayLength()), decLengthXYLc(candidateLc.decayLengthXY());
double cpaLc(candidateLc.cpa()), cpaXYLc(candidateLc.cpaXY());
int origin = candidateLc.originMcRec();
auto channel = candidateLc.flagMcDecayChanRec(); /// 0: direct; 1: Λc± → p± K*; 2: Λc± → Δ(1232)±± K∓; 3: Λc± → Λ(1520) π±
if (candidateLc.isSelLcToPKPi() >= 1 && std::abs(candidateLc.prong0_as<aod::TracksWMc>().mcParticle().pdgCode()) == kProton) {
int pdgAbs = -1;
if (candidateLc.prong0_as<aod::TracksWMc>().has_mcParticle()) {
pdgAbs = std::abs(candidateLc.prong0_as<aod::TracksWMc>().mcParticle().pdgCode());
}
if (candidateLc.isSelLcToPKPi() >= 1 && pdgAbs == kProton) {
massLc = hfHelper.invMassLcToPKPi(candidateLc);
registry.get<THnSparse>(HIST("hnLambdaC"))->Fill(ptLc, massLc, decLengthLc, decLengthXYLc, cpaLc, cpaXYLc, origin, channel);
}
if (candidateLc.isSelLcToPiKP() >= 1 && std::abs(candidateLc.prong0_as<aod::TracksWMc>().mcParticle().pdgCode()) == kPiPlus) {
if (candidateLc.isSelLcToPiKP() >= 1 && pdgAbs == kPiPlus) {
massLc = hfHelper.invMassLcToPiKP(candidateLc);
registry.get<THnSparse>(HIST("hnLambdaC"))->Fill(ptLc, massLc, decLengthLc, decLengthXYLc, cpaLc, cpaXYLc, origin, channel);
}
Expand Down
3 changes: 2 additions & 1 deletion PWGHF/TableProducer/candidateCreatorSigmac0plusplus.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -381,11 +381,12 @@ struct HfCandidateSigmac0plusplusMc {
/// @param mcParticles table of generated particles
void processMc(aod::McParticles const& mcParticles,
aod::TracksWMc const& tracks,
LambdacMc const& /*, const LambdacMcGen&*/)
LambdacMc const& candsLc /*, const LambdacMcGen&*/)
{

// Match reconstructed candidates.
candidatesSigmac->bindExternalIndices(&tracks);
candidatesSigmac->bindExternalIndices(&candsLc);

int indexRec = -1;
int8_t sign = 0;
Expand Down