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[PWGLF] Further studies for dNdEta with phi #12173

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Merged
romainschotter merged 3 commits into from
Jul 23, 2025
Merged

[PWGLF] Further studies for dNdEta with phi #12173

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58c8bf9
Further studies for dNdEta with phi
scannito Jul 21, 2025
b27dca9
Fix bug
scannito Jul 21, 2025
c7a041b
std::abs
scannito Jul 21, 2025
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57 changes: 35 additions & 22 deletions PWGLF/Tasks/Strangeness/phik0shortanalysis.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,7 @@
// Configurables for track selection (not necessarily common for trigger and the two associated particles)
struct : ConfigurableGroup {
Configurable<float> cfgCutCharge{"cfgCutCharge", 0.0f, "Cut on charge"};
Configurable<float> cfgMinAbsCharge{"cfgMinAbsCharge", 3.0f, "Cut on absolute charge"};
Configurable<bool> cfgGlobalWoDCATrack{"cfgGlobalWoDCATrack", true, "Global track selection without DCA"};
Configurable<bool> cfgPVContributor{"cfgPVContributor", true, "PV contributor track selection"};
Configurable<float> cMinKaonPtcut{"cMinKaonPtcut", 0.15f, "Track minimum pt cut"};
Expand Down Expand Up @@ -259,7 +260,10 @@
SliceCache cache;

// Preslice for manual slicing
Preslice<aod::McParticles> perMCColl = aod::mcparticle::mcCollisionId;
struct : PresliceGroup {
Preslice<aod::Tracks> perColl = aod::track::collisionId;
Preslice<aod::McParticles> perMCColl = aod::mcparticle::mcCollisionId;
} preslices;

// Positive and negative tracks partitions
Partition<FullTracks> posTracks = aod::track::signed1Pt > trackConfigs.cfgCutCharge;
Expand Down Expand Up @@ -957,6 +961,21 @@
return false;
}

template <typename T>
bool isGenParticleCharged(const T& mcParticle)
{
if (!mcParticle.isPhysicalPrimary() || std::abs(mcParticle.eta()) > trackConfigs.etaMax)
return false;

auto pdgTrack = pdgDB->GetParticle(mcParticle.pdgCode());
if (pdgTrack == nullptr)
return false;
if (std::abs(pdgTrack->Charge()) < trackConfigs.cfgMinAbsCharge)
return false;

return true;
}

// Get phi-meson purity functions from CCDB
void getPhiPurityFunctionsFromCCDB()
{
Expand Down Expand Up @@ -1681,7 +1700,7 @@
if (mcTrack.isPhysicalPrimary()) {
mcPionHist.fill(HIST("h3RecMCDCAxyPrimPi"), track.pt(), track.dcaXY());
} else {
if (mcTrack.getProcess() == 4) { // Selection of secondary pions from weak decay

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
mcPionHist.fill(HIST("h3RecMCDCAxySecWeakDecayPi"), track.pt(), track.dcaXY());
} else { // Selection of secondary pions from material interactions
mcPionHist.fill(HIST("h3RecMCDCAxySecMaterialPi"), track.pt(), track.dcaXY());
Expand Down Expand Up @@ -2154,7 +2173,7 @@
if (mcParticle1.pdgCode() != o2::constants::physics::Pdg::kPhi)
continue;
auto kDaughters = mcParticle1.daughters_as<aod::McParticles>();
if (kDaughters.size() != 2)

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Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;
bool isPosKaon = false, isNegKaon = false;
for (const auto& kDaughter : kDaughters) {
Expand Down Expand Up @@ -2291,7 +2310,7 @@
continue;
if (cfgisGenMCForClosure) {
auto kDaughters = mcParticle2.daughters_as<aod::McParticles>();
if (kDaughters.size() != 2)

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Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;
bool isPosKaon = false, isNegKaon = false;
for (const auto& kDaughter : kDaughters) {
Expand Down Expand Up @@ -2368,7 +2387,7 @@
continue;
if (cfgisGenMCForClosure) {
auto kDaughters = mcParticle2.daughters_as<aod::McParticles>();
if (kDaughters.size() != 2)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;
bool isPosKaon = false, isNegKaon = false;
for (const auto& kDaughter : kDaughters) {
Expand Down Expand Up @@ -2436,7 +2455,7 @@
return;
const auto& mcCollision = collision.mcCollision_as<MCCollisions>();

auto mcParticlesThisColl = mcParticles.sliceBy(perMCColl, mcCollision.globalIndex());
auto mcParticlesThisColl = mcParticles.sliceBy(preslices.perMCColl, mcCollision.globalIndex());

if (filterOnMcPhi && !eventHasMCPhi(mcParticlesThisColl))
return;
Expand All @@ -2456,13 +2475,7 @@
}

for (const auto& mcParticle : mcParticlesThisColl) {
if (!mcParticle.isPhysicalPrimary() || std::abs(mcParticle.eta()) > trackConfigs.etaMax)
continue;

auto pdgTrack = pdgDB->GetParticle(mcParticle.pdgCode());
if (pdgTrack == nullptr)
continue;
if (pdgTrack->Charge() == trackConfigs.cfgCutCharge)
if (!isGenParticleCharged(mcParticle))
continue;

mcEventHist.fill(HIST("h2GenMCEtaDistributionReco"), genmultiplicity, mcParticle.eta());
Expand All @@ -2471,7 +2484,7 @@

PROCESS_SWITCH(Phik0shortanalysis, processdNdetaWPhiMCReco, "Process function for dN/deta values in MCReco", false);

void processdNdetaWPhiMCGen(MCCollisions::iterator const& mcCollision, soa::SmallGroups<SimCollisions> const& collisions, aod::McParticles const& mcParticles)
void processdNdetaWPhiMCGen(MCCollisions::iterator const& mcCollision, soa::SmallGroups<SimCollisions> const& collisions, FilteredMCTracks const& filteredMCTracks, aod::McParticles const& mcParticles)
{
if (std::abs(mcCollision.posZ()) > cutZVertex)
return;
Expand All @@ -2487,14 +2500,20 @@
if (acceptEventQA<true>(collision, false)) {
mcEventHist.fill(HIST("hGenMCRecoMultiplicityPercent"), genmultiplicity);

for (const auto& mcParticle : mcParticles) {
if (!mcParticle.isPhysicalPrimary() || std::abs(mcParticle.eta()) > trackConfigs.etaMax)
auto filteredMCTracksThisColl = filteredMCTracks.sliceBy(preslices.perColl, collision.globalIndex());
for (const auto& track : filteredMCTracksThisColl) {
if (!track.has_mcParticle())
continue;

auto pdgTrack = pdgDB->GetParticle(mcParticle.pdgCode());
if (pdgTrack == nullptr)
auto mcTrack = track.mcParticle();
if (!mcTrack.isPhysicalPrimary() || std::abs(mcTrack.eta()) > trackConfigs.etaMax)
continue;
if (pdgTrack->Charge() == trackConfigs.cfgCutCharge)

mcEventHist.fill(HIST("h2RecoCheckMCEtaDistribution"), genmultiplicity, mcTrack.eta());
}

for (const auto& mcParticle : mcParticles) {
if (!isGenParticleCharged(mcParticle))
continue;

mcEventHist.fill(HIST("h2GenMCEtaDistributionRecoCheck"), genmultiplicity, mcParticle.eta());
Expand All @@ -2509,13 +2528,7 @@
mcEventHist.fill(HIST("hGenMCAssocRecoMultiplicityPercent"), genmultiplicity);

for (const auto& mcParticle : mcParticles) {
if (!mcParticle.isPhysicalPrimary() || std::abs(mcParticle.eta()) > trackConfigs.etaMax)
continue;

auto pdgTrack = pdgDB->GetParticle(mcParticle.pdgCode());
if (pdgTrack == nullptr)
continue;
if (pdgTrack->Charge() == trackConfigs.cfgCutCharge)
if (!isGenParticleCharged(mcParticle))
continue;

mcEventHist.fill(HIST("h2GenMCEtaDistribution"), genmultiplicity, mcParticle.eta());
Expand Down Expand Up @@ -2874,7 +2887,7 @@
if (mcTrack.isPhysicalPrimary()) {
mcPionHist.fill(HIST("h3RecMCDCAxyPrimPi"), track.pt(), track.dcaXY());
} else {
if (mcTrack.getProcess() == 4) { // Selection of secondary pions from weak decay

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
mcPionHist.fill(HIST("h3RecMCDCAxySecWeakDecayPi"), track.pt(), track.dcaXY());
} else { // Selection of secondary pions from material interactions
mcPionHist.fill(HIST("h3RecMCDCAxySecMaterialPi"), track.pt(), track.dcaXY());
Expand Down
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