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[PWGLF] Selection of phi decay channel in GenMC for closure test #9551

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Merged
njacazio merged 1 commit into from
Jan 27, 2025
Merged

[PWGLF] Selection of phi decay channel in GenMC for closure test #9551

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31 changes: 31 additions & 0 deletions PWGLF/Tasks/Strangeness/phik0shortanalysis.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -141,6 +141,9 @@ struct Phik0shortanalysis {
// Configurable for RecMC
Configurable<bool> cfgiskNoITSROFrameBorder{"cfgiskNoITSROFrameBorder", false, "kNoITSROFrameBorder request on RecMC collisions"};

// Configurable for MC closure
Configurable<bool> cfgisGenMCForClosure{"cfgisGenMCForClosure", false, "isGenMCForClosure"};

// Constants
double massKa = o2::constants::physics::MassKPlus;
double massPi = o2::constants::physics::MassPiPlus;
Expand Down Expand Up @@ -1657,6 +1660,20 @@ struct Phik0shortanalysis {
for (const auto& mcParticle2 : mcParticles) {
if (mcParticle2.pdgCode() != 333)
continue;
if (cfgisGenMCForClosure) {
auto kDaughters = mcParticle2.daughters_as<aod::McParticles>();
if (kDaughters.size() != 2)
continue;
bool isPosKaon = false, isNegKaon = false;
for (const auto& kDaughter : kDaughters) {
if (kDaughter.pdgCode() == 321)
isPosKaon = true;
if (kDaughter.pdgCode() == -321)
isNegKaon = true;
}
if (!isPosKaon || !isNegKaon)
continue;
}

if (std::abs(mcParticle2.y()) > cfgYAcceptance)
continue;
Expand Down Expand Up @@ -1723,6 +1740,20 @@ struct Phik0shortanalysis {
for (const auto& mcParticle2 : mcParticles) {
if (mcParticle2.pdgCode() != 333)
continue;
if (cfgisGenMCForClosure) {
auto kDaughters = mcParticle2.daughters_as<aod::McParticles>();
if (kDaughters.size() != 2)
continue;
bool isPosKaon = false, isNegKaon = false;
for (const auto& kDaughter : kDaughters) {
if (kDaughter.pdgCode() == 321)
isPosKaon = true;
if (kDaughter.pdgCode() == -321)
isNegKaon = true;
}
if (!isPosKaon || !isNegKaon)
continue;
}

if (std::abs(mcParticle2.y()) > cfgYAcceptance)
continue;
Expand Down
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