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[PWGCF] loose hypertriton PID cut #13055

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Merged
shouqiye merged 2 commits into from
Sep 20, 2025
Merged

[PWGCF] loose hypertriton PID cut #13055

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ee49d91
Update PiNucleiFemto.cxx
blacwovie Sep 20, 2025
11aeb2e
Update PionNucleiTables.h
blacwovie Sep 20, 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 @@ -112,12 +112,16 @@ DECLARE_SOA_TABLE(PionHyperTable, "AOD", "PIHYPERTABLE",
pion_nuclei_tables::DcaxyPi,
pion_nuclei_tables::DcazPi,
pion_nuclei_tables::SignalTPCPi,
pion_nuclei_tables::SignalTPCNu,
pion_nuclei_tables::InnerParamTPCPi,
pion_nuclei_tables::NSigmaTPCPi,
pion_nuclei_tables::NSigmaTPCNu,
pion_nuclei_tables::Chi2TPCPi,
pion_nuclei_tables::Chi2TPCNu,
pion_nuclei_tables::MassTOFPi,
pion_nuclei_tables::PidTrkPi,
pion_nuclei_tables::ItsClusterSizePi,
pion_nuclei_tables::ItsClusterSizeNu,
pion_nuclei_tables::SharedClustersPi,
pion_nuclei_tables::IsBkgUS,
pion_nuclei_tables::IsBkgEM)
Expand Down
12 changes: 10 additions & 2 deletions PWGCF/Femto/FemtoNuclei/TableProducer/PiNucleiFemto.cxx
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Expand Up @@ -276,7 +276,7 @@

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;
float Vz_step = (Vz_high - Vz_low) / numOfVertexZBins;

Expand Down Expand Up @@ -562,15 +562,15 @@
bool selectionPIDHyper(const aod::DataHypCandsWColl::iterator& V0Hyper)
{
mQaRegistry.fill(HIST("hHe3P_preselected"), V0Hyper.tpcMomHe());
float averClusSizeHe = averageClusterSizeCosl(V0Hyper.itsClusterSizesHe(), V0Hyper.etaHe3());
/*float averClusSizeHe = averageClusterSizeCosl(V0Hyper.itsClusterSizesHe(), V0Hyper.etaHe3());
if (averClusSizeHe <= 4) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
return false;
}
if (V0Hyper.tpcChi2He() <= 0.5) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
return false;
}
mQaRegistry.fill(HIST("hHe3P"), V0Hyper.tpcMomHe());
mQaRegistry.fill(HIST("hHe3TPCnsigma"), V0Hyper.nSigmaHe());
mQaRegistry.fill(HIST("hHe3TPCnsigma"), V0Hyper.nSigmaHe());*/

return true;
}
Expand Down Expand Up @@ -735,11 +735,15 @@
piHypercand.dcaxyPi = trackPi.dcaXY();
piHypercand.dcazPi = trackPi.dcaZ();
piHypercand.tpcSignalPi = trackPi.tpcSignal();
piHypercand.tpcSignalNu = V0Hyper.tpcSignalHe();
piHypercand.momPiTPC = trackPi.tpcInnerParam();
piHypercand.nSigmaPi = trackPi.tpcNSigmaPi();
piHypercand.nSigmaNu = V0Hyper.nSigmaHe();
piHypercand.chi2TPCPi = trackPi.tpcChi2NCl();
piHypercand.chi2TPCNu = V0Hyper.tpcChi2He();
piHypercand.pidTrkPi = trackPi.pidForTracking();
piHypercand.itsClSizePi = trackPi.itsClusterSizes();
piHypercand.itsClSizeNu = V0Hyper.itsClusterSizesHe();
piHypercand.nClsItsPi = trackPi.itsNCls();
piHypercand.sharedClustersPi = trackPi.tpcNClsShared();

Expand Down Expand Up @@ -938,12 +942,16 @@
piNucand.dcaxyPi,
piNucand.dcazPi,
piNucand.tpcSignalPi,
piNucand.tpcSignalNu,
piNucand.momPiTPC,
piNucand.nSigmaPi,
piNucand.nSigmaNu,
piNucand.chi2TPCPi,
piNucand.chi2TPCNu,
piNucand.massTOFPi,
piNucand.pidTrkPi,
piNucand.itsClSizePi,
piNucand.itsClSizeNu,
piNucand.sharedClustersPi,
piNucand.isBkgUS,
piNucand.isBkgEM);
Expand All @@ -968,7 +976,7 @@
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 @@ -979,7 +987,7 @@
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 @@ -990,7 +998,7 @@
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 @@ -1024,12 +1032,12 @@
{
double PrTPCnsigma = computePrTPCnsig(piNucand.momPiTPC, piNucand.tpcSignalPi);
double PrTOFnsigma = tofNSigmaCalculation(piNucand.massTOFPi, piNucand.recoPtPi());
if (abs(PrTPCnsigma) < settingCutNsigTPCPrMin)

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[std-prefix] 

Use std:: prefix for names from the std namespace.
return;
if (abs(PrTOFnsigma) < settingCutNsigTOFPrMin)

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[std-prefix] 

Use std:: prefix for names from the std namespace.
return;
float DeDCAxyMin = 0.015 + 0.0305 / TMath::Power(piNucand.recoPtNu(), 1.1);

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
if (abs(piNucand.dcaxyNu) > DeDCAxyMin || abs(piNucand.dcazNu) > settingCutDeDCAzMin || abs(piNucand.dcaxyPi) > settingCutPiDCAxyMin || abs(piNucand.dcazPi) > settingCutPiDCAzMin)

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[std-prefix] 

Use std:: prefix for names from the std namespace.
return;
fillHistograms(piNucand);

Expand Down
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