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[PWGCF] fix ME bug and add He3 column #13112

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Merged
shouqiye merged 4 commits into from
Sep 25, 2025
Merged

[PWGCF] fix ME bug and add He3 column #13112

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90e0f31
Update PionNucleiTables.h
blacwovie Sep 24, 2025
2030106
Update PiNucleiFemto.cxx
blacwovie Sep 24, 2025
5c9c7ef
Please consider the following formatting changes
alibuild Sep 24, 2025
a0ccfc9
Merge pull request #37 from alibuild/alibot-cleanup-13112
blacwovie Sep 24, 2025
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4 changes: 4 additions & 0 deletions PWGCF/Femto/FemtoNuclei/DataModel/PionNucleiTables.h
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,9 @@ DECLARE_SOA_COLUMN(PtNu, ptNu, float);
DECLARE_SOA_COLUMN(EtaNu, etaNu, float);
DECLARE_SOA_COLUMN(PhiNu, phiNu, float);
DECLARE_SOA_COLUMN(PtHyp, ptHyp, float);
DECLARE_SOA_COLUMN(PtHe3, ptHe3, float);
DECLARE_SOA_COLUMN(EtaHyp, etaHyp, float);
DECLARE_SOA_COLUMN(EtaHe3, etaHe3, float);
DECLARE_SOA_COLUMN(PhiHyp, phiHyp, float);
DECLARE_SOA_COLUMN(PtPi, ptPi, float);
DECLARE_SOA_COLUMN(EtaPi, etaPi, float);
Expand Down Expand Up @@ -105,6 +107,8 @@ DECLARE_SOA_TABLE(PionNucleiTable, "AOD", "PINUCLEITABLE",
DECLARE_SOA_TABLE(PionHyperTable, "AOD", "PIHYPERTABLE",
pion_nuclei_tables::PtHyp,
pion_nuclei_tables::EtaHyp,
pion_nuclei_tables::PtHe3,
pion_nuclei_tables::EtaHe3,
pion_nuclei_tables::PhiHyp,
pion_nuclei_tables::PtPi,
pion_nuclei_tables::EtaPi,
Expand Down
38 changes: 21 additions & 17 deletions PWGCF/Femto/FemtoNuclei/TableProducer/PiNucleiFemto.cxx
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Expand Up @@ -104,6 +104,8 @@
std::array<float, 3> momNu = {99.f, 99.f, 99.f};
std::array<float, 3> momPi = {99.f, 99.f, 99.f};

float ptHe3 = 1.f;
float etaHe3 = 1.f;
float signNu = 1.f;
float signPi = 1.f;
float invMass = -10.f;
Expand Down Expand Up @@ -159,6 +161,8 @@
Configurable<float> settingCutPtMinDePi{"settingCutPtMinDePi", 0.0f, "Minimum PT cut on DePi4"};
Configurable<float> settingCutClSizeItsDe{"settingCutClSizeItsDe", 4.0f, "Minimum ITS cluster size for De"};
Configurable<float> settingCutNCls{"settingCutNCls", 5.0f, "Minimum ITS Ncluster for tracks"};
Configurable<float> settingCutTPCChi2He{"settingCutTPCChi2He", 0.0f, "Minimum tpcChi2He for Hyper He3"};
Configurable<float> settingCutAverClsSizeHe{"settingCutAverClsSizeHe", 0.0f, "Minimum averClusSizeHe for Hyper He3"};
Configurable<float> settingCutChi2NClITS{"settingCutChi2NClITS", 999.f, "Maximum ITS Chi2 for tracks"};
Configurable<float> settingCutNsigmaTPCPi{"settingCutNsigmaTPCPi", 3.0f, "Value of the TPC Nsigma cut on Pi"};
Configurable<float> settingCutNsigmaTPCDe{"settingCutNsigmaTPCDe", 2.5f, "Value of the TPC Nsigma cut on De"};
Expand Down Expand Up @@ -231,7 +235,7 @@
"QA",
{{"hVtxZ", "Vertex distribution in Z;Z (cm)", {HistType::kTH1F, {{400, -20.0, 20.0}}}},
{"hNcontributor", "Number of primary vertex contributor", {HistType::kTH1F, {{2000, 0.0f, 2000.0f}}}},
{"hCentrality", "Centrality", {HistType::kTH1F, {{200, 0.0f, 100.0f}}}},
{"hCentrality", "Centrality", {HistType::kTH1F, {{100, 0.0f, 100.0f}}}},
{"hTrackSel", "Accepted tracks", {HistType::kTH1F, {{Selections::kAll, -0.5, static_cast<double>(Selections::kAll) - 0.5}}}},
{"hEvents", "; Events;", {HistType::kTH1F, {{3, -0.5, 2.5}}}},
{"hEmptyPool", "svPoolCreator did not find track pairs false/true", {HistType::kTH1F, {{2, -0.5, 1.5}}}},
Expand Down Expand Up @@ -276,9 +280,9 @@

int numOfCentBins = 40;
int numOfVertexZBins = 30;
float Vz_low = -10.0f;

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[name/function-variable] 

Use lowerCamelCase for names of functions and variables.
float Vz_high = 10.0f;

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[name/function-variable] 

Use lowerCamelCase for names of functions and variables.
float Vz_step = (Vz_high - Vz_low) / numOfVertexZBins;

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[name/function-variable] 

Use lowerCamelCase for names of functions and variables.

struct EventRef {
int64_t collisionId;
Expand Down Expand Up @@ -562,15 +566,15 @@
bool selectionPIDHyper(const aod::DataHypCandsWColl::iterator& V0Hyper)
{
mQaRegistry.fill(HIST("hHe3P_preselected"), V0Hyper.tpcMomHe());
/*float averClusSizeHe = averageClusterSizeCosl(V0Hyper.itsClusterSizesHe(), V0Hyper.etaHe3());
if (averClusSizeHe <= 4) {
float averClusSizeHe = averageClusterSizeCosl(V0Hyper.itsClusterSizesHe(), V0Hyper.etaHe3());
if (averClusSizeHe <= settingCutAverClsSizeHe) {
return false;
}
if (V0Hyper.tpcChi2He() <= 0.5) {
if (V0Hyper.tpcChi2He() <= settingCutTPCChi2He) {
return false;
}
mQaRegistry.fill(HIST("hHe3P"), V0Hyper.tpcMomHe());
mQaRegistry.fill(HIST("hHe3TPCnsigma"), V0Hyper.nSigmaHe());*/
mQaRegistry.fill(HIST("hHe3TPCnsigma"), V0Hyper.ptHe3(), V0Hyper.nSigmaHe());

return true;
}
Expand Down Expand Up @@ -720,18 +724,15 @@
if (settingCutInvMass > 0 && invMass > settingCutInvMass) {
return false;
}
float ptDePi = std::hypot(piHypercand.momNu[0] + piHypercand.momPi[0], piHypercand.momNu[1] + piHypercand.momPi[1]);
if (ptDePi < settingCutPtMinDePi) {
return false;
}

piHypercand.signPi = trackPi.sign();
if (V0Hyper.isMatter()) {
piHypercand.signNu = 1;
} else {
piHypercand.signNu = -1;
}

piHypercand.etaHe3 = V0Hyper.etaHe3();
piHypercand.ptHe3 = V0Hyper.ptHe3();
piHypercand.dcaxyPi = trackPi.dcaXY();
piHypercand.dcazPi = trackPi.dcaZ();
piHypercand.tpcSignalPi = trackPi.tpcSignal();
Expand Down Expand Up @@ -830,8 +831,8 @@
mQaRegistry.fill(HIST("hTrackSel"), Selections::kPID);

SVCand pair;
pair.tr0Idx = piTrack.globalIndex();
pair.tr1Idx = V0Hyper.globalIndex();
pair.tr0Idx = V0Hyper.globalIndex();
pair.tr1Idx = piTrack.globalIndex();
const int collIdx = V0Hyper.collisionId();
CollBracket collBracket{collIdx, collIdx};
pair.collBracket = collBracket;
Expand Down Expand Up @@ -935,6 +936,8 @@
mOutputHyperDataTable(
piNucand.recoPtNu(),
piNucand.recoEtaNu(),
piNucand.ptHe3,
piNucand.etaHe3,
piNucand.recoPhiNu(),
piNucand.recoPtPi(),
piNucand.recoEtaPi(),
Expand Down Expand Up @@ -976,7 +979,7 @@
mQaRegistry.fill(HIST("hNuPitInvMass"), piNucand.invMass);
mQaRegistry.fill(HIST("hdcaxyNu"), piNucand.dcaxyNu);
mQaRegistry.fill(HIST("hdcazNu"), piNucand.dcazNu);
mQaRegistry.fill(HIST("hdcazNu_min"), (abs(piNucand.dcazNu) - settingCutDeDCAzMin));

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[std-prefix] 

Use std:: prefix for names from the std namespace.
mQaRegistry.fill(HIST("hNClsNuITS"), piNucand.nClsItsNu);
mQaRegistry.fill(HIST("hNClsPiITS"), piNucand.nClsItsPi);
mQaRegistry.fill(HIST("hisBkgEM"), piNucand.isBkgEM);
Expand All @@ -987,7 +990,7 @@
double m_BBparamsProton[6] = {-54.42066571222577, 0.2857381250239097, 1.247140602468868, 0.6297483918147729, 2.985438833884555, 0.09};

float TPCinnerParam = InnerParamTPCHad;
float expTPCSignal = o2::tpc::BetheBlochAleph((TPCinnerParam / 0.9382721), m_BBparamsProton[0], m_BBparamsProton[1], m_BBparamsProton[2], m_BBparamsProton[3], m_BBparamsProton[4]);

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[pdg/explicit-mass] 

Avoid hard-coded particle masses. Use o2::constants::physics::Mass... instead.
double resoTPC{expTPCSignal * m_BBparamsProton[5]};
return ((SignalTPCHad - expTPCSignal) / resoTPC);
}
Expand All @@ -998,7 +1001,7 @@
const float kp0 = 1.22204e-02;
const float kp1 = 7.48467e-01;

double fSigmaTOFMassHad = (kp0 * TMath::Exp(kp1 * TMath::Abs(ptHad))) * fExpTOFMassHad;

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
double fNSigmaTOFHad = (MassTOFHad - fExpTOFMassHad) / fSigmaTOFMassHad;
return fNSigmaTOFHad;
}
Expand Down Expand Up @@ -1032,12 +1035,12 @@
{
double PrTPCnsigma = computePrTPCnsig(piNucand.momPiTPC, piNucand.tpcSignalPi);
double PrTOFnsigma = tofNSigmaCalculation(piNucand.massTOFPi, piNucand.recoPtPi());
if (abs(PrTPCnsigma) < settingCutNsigTPCPrMin)

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return;
if (abs(PrTOFnsigma) < settingCutNsigTOFPrMin)

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[std-prefix] 

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return;
float DeDCAxyMin = 0.015 + 0.0305 / TMath::Power(piNucand.recoPtNu(), 1.1);

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[root/entity] 

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if (abs(piNucand.dcaxyNu) > DeDCAxyMin || abs(piNucand.dcazNu) > settingCutDeDCAzMin || abs(piNucand.dcaxyPi) > settingCutPiDCAxyMin || abs(piNucand.dcazPi) > settingCutPiDCAzMin)

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return;
fillHistograms(piNucand);

Expand Down Expand Up @@ -1089,14 +1092,15 @@
{
for (const auto& trackPair : mTrackHypPairs) {

auto v0hyper = V0Hypers.rawIteratorAt(trackPair.tr1Idx);
auto piTrack = piTracks.rawIteratorAt(trackPair.tr0Idx);
auto v0hyper = V0Hypers.rawIteratorAt(trackPair.tr0Idx);
auto piTrack = piTracks.rawIteratorAt(trackPair.tr1Idx);
// auto collBracket = trackPair.collBracket;

PiNucandidate piNucand;
if (!fillCandidateInfoHyper(v0hyper, piTrack, piNucand, isMixedEvent)) {
continue;
}

mQaRegistry.fill(HIST("hNuPt"), piNucand.recoPtNu());
mQaRegistry.fill(HIST("hPiPt"), piNucand.recoPtPi());
mQaRegistry.fill(HIST("hNuEta"), piNucand.recoEtaNu());
Expand Down Expand Up @@ -1220,14 +1224,15 @@

void processMixedEventHyperPool(const CollisionsFull& collisions, o2::aod::DataHypCandsWColl const& V0Hypers, const TrackCandidates& pitracks)
{
LOG(info) << "Processing mixed event for hypertriton";

mTrackHypPairs.clear();
if (!isInitialized) {
initializePools();
LOG(info) << "Initialized event pool with size = " << All_Event_pool.size();
}
for (auto const& collision : collisions) {
mQaRegistry.fill(HIST("hNcontributor"), collision.numContrib());
mQaRegistry.fill(HIST("hCentrality"), collision.centFT0C());
mQaRegistry.fill(HIST("hVtxZ"), collision.posZ());
int poolIndexPi = where_pool(collision.posZ(), collision.centFT0C());
auto& pool = All_Event_pool[poolIndexPi];

Expand All @@ -1247,7 +1252,6 @@
tracks1.push_back(t);
}
}

std::vector<o2::aod::DataHypCandsWColl::iterator> hypers2;
for (auto const& h : V0Hypers) {
if (h.collisionId() != c2.globalIndex())
Expand Down
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