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Merged
dsekihat merged 1 commit into from
Sep 5, 2025
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[PWGEM/Dilepton] update treeCreatorElectronMLDDA.cxx #12868

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101 changes: 45 additions & 56 deletions PWGEM/Dilepton/TableProducer/treeCreatorElectronMLDDA.cxx
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// Copyright 2019-2020 CERN and copyright holders of ALICE O2.

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[doc/file] 

Provide mandatory file documentation.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
Expand All @@ -8,7 +8,7 @@
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
//

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[doc/file] 

Documentation for \author is missing, incorrect or misplaced.

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[doc/file] 

Documentation for \brief is missing, incorrect or misplaced.

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[doc/file] 

Documentation for \file is missing, incorrect or misplaced.
// ========================
//
// This code will create data table for inputs to machine learning for electrons.
Expand Down Expand Up @@ -116,10 +116,10 @@
Configurable<std::string> mVtxPath{"mVtxPath", "GLO/Calib/MeanVertex", "Path of the mean vertex file"};
Configurable<bool> skipGRPOquery{"skipGRPOquery", true, "skip grpo query"};
// Operation and minimisation criteria
Configurable<double> d_bz_input{"d_bz_input", -999, "bz field, -999 is automatic"};

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[name/function-variable] 

Use lowerCamelCase for names of functions and variables.
Configurable<int> useMatCorrType{"useMatCorrType", 2, "0: none, 1: TGeo, 2: LUT"};

Configurable<float> downscaling_electron_highP{"downscaling_electron_highP", 1.1, "down scaling factor to store electron at high p"};

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[name/function-variable] 

Use lowerCamelCase for names of functions and variables.
Configurable<float> downscaling_pion_highP{"downscaling_pion_highP", 1.1, "down scaling factor to store pion at high p"};
Configurable<float> downscaling_kaon_highP{"downscaling_kaon_highP", 1.1, "down scaling factor to store kaon at high p"};
Configurable<float> downscaling_proton_highP{"downscaling_proton_highP", 1.1, "down scaling factor to store proton at high p"};
Expand Down Expand Up @@ -229,7 +229,6 @@
Configurable<int> cfg_min_ncluster_itsib{"cfg_min_ncluster_itsib", 0, "min ncluster itsib"};
Configurable<float> cfg_max_chi2tpc{"cfg_max_chi2tpc", 4.0, "max chi2/NclsTPC"};
Configurable<float> cfg_max_chi2its{"cfg_max_chi2its", 5.0, "max chi2/NclsITS"};
Configurable<bool> requireTOF_for_tagging{"requireTOF_for_tagging", false, "flag to require TOF for tagging 1 leg from V0"};

Configurable<float> cfg_min_TPCNsigmaEl{"cfg_min_TPCNsigmaEl", -2, "min n sigma e in TPC for pc->ee"};
Configurable<float> cfg_max_TPCNsigmaEl{"cfg_max_TPCNsigmaEl", +2, "max n sigma e in TPC for pc->ee"};
Expand Down Expand Up @@ -264,7 +263,6 @@
Configurable<float> cfg_min_dcaxy_v0leg{"cfg_min_dcaxy_v0leg", 0.1, "min dca XY for v0 legs in cm"};
Configurable<float> cfg_min_dcaxy_bachelor{"cfg_min_dcaxy_bachelor", 0.05, "min dca XY for bachelor in cm"};
Configurable<float> cfg_min_dcaxy_v0{"cfg_min_dcaxy_v0", 0.05, "min dca XY for V0 in cm"};
Configurable<bool> requireTOF_for_tagging{"requireTOF_for_tagging", false, "flag to require TOF for tagging 1 leg from V0"};
} cascadecuts;

// for RCT
Expand Down Expand Up @@ -304,7 +302,7 @@
ccdb->get<TGeoManager>(geoPath);
}
}
if (useMatCorrType == 2) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
LOGF(info, "LUT correction requested, loading LUT");
lut = o2::base::MatLayerCylSet::rectifyPtrFromFile(ccdb->get<o2::base::MatLayerCylSet>(lutPath));
}
Expand All @@ -329,10 +327,10 @@
}

// In case override, don't proceed, please - no CCDB access required
if (d_bz_input > -990) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
d_bz = d_bz_input;
o2::parameters::GRPMagField grpmag;
if (std::fabs(d_bz) > 1e-5) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
grpmag.setL3Current(30000.f / (d_bz / 5.0f));
}
o2::base::Propagator::initFieldFromGRP(&grpmag);
Expand Down Expand Up @@ -577,6 +575,15 @@
return is_Pr_TPC && is_Pr_TOF;
}

template <typename TTrack>
bool isPionTightTOFreq(TTrack const& track)
{
// only for K0S-> pi+ pi-
bool is_Pi_TPC = tightv0cuts.cfg_min_TPCNsigmaPi < track.tpcNSigmaPi() && track.tpcNSigmaPi() < tightv0cuts.cfg_max_TPCNsigmaPi;
bool is_Pi_TOF = tightv0cuts.cfg_min_TOFNsigmaPi < track.tofNSigmaPi() && track.tofNSigmaPi() < tightv0cuts.cfg_max_TOFNsigmaPi; // TOFreq
return is_Pi_TPC && is_Pi_TOF;
}

template <typename TCollision, typename TTrack>
void fillTrackTable(TCollision const& collision, TTrack const& track, const uint8_t pidlabel)
{
Expand Down Expand Up @@ -742,7 +749,7 @@

Filter collisionFilter_track_occupancy = eventcuts.cfgTrackOccupancyMin <= o2::aod::evsel::trackOccupancyInTimeRange && o2::aod::evsel::trackOccupancyInTimeRange < eventcuts.cfgTrackOccupancyMax;
Filter collisionFilter_ft0c_occupancy = eventcuts.cfgFT0COccupancyMin <= o2::aod::evsel::ft0cOccupancyInTimeRange && o2::aod::evsel::ft0cOccupancyInTimeRange < eventcuts.cfgFT0COccupancyMax;
Filter collisionFilter_common = nabs(o2::aod::collision::posZ) < 10.f && o2::aod::evsel::sel8 == true;

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
using filteredMyCollisions = soa::Filtered<MyCollisions>;

Preslice<aod::V0Datas> perCollision_v0 = o2::aod::v0data::collisionId;
Expand Down Expand Up @@ -800,77 +807,65 @@
if (v0cuts.cfg_min_qt_strangeness < v0.qtarm()) {
if (v0cuts.cfg_min_qt_k0s < v0.qtarm()) {
if (!(v0cuts.cfg_min_mass_lambda_veto < v0.mLambda() && v0.mLambda() < v0cuts.cfg_max_mass_lambda_veto) && !(v0cuts.cfg_min_mass_lambda_veto < v0.mAntiLambda() && v0.mAntiLambda() < v0cuts.cfg_max_mass_lambda_veto)) {
if ((isPionTight(pos) && isSelectedV0LegTight(collision, pos)) && (isPion(neg) && isSelectedV0Leg(collision, neg))) {
if (!tightv0cuts.requireTOF_for_tagging || pos.hasTOF()) {
registry.fill(HIST("V0/hMassK0Short"), v0.mK0Short());
if (v0cuts.cfg_min_mass_k0s < v0.mK0Short() && v0.mK0Short() < v0cuts.cfg_max_mass_k0s) {
registry.fill(HIST("V0/hTPCdEdx_P_Pi"), neg.tpcInnerParam(), neg.tpcSignal());
registry.fill(HIST("V0/hTOFbeta_P_Pi"), neg.tpcInnerParam(), neg.beta());
fillTrackTable(collision, neg, static_cast<uint8_t>(o2::aod::pwgem::dilepton::ml::PID_Label::kPion));
}
if ((isPionTightTOFreq(pos) && isSelectedV0LegTight(collision, pos)) && (isPion(neg) && isSelectedV0Leg(collision, neg))) {
registry.fill(HIST("V0/hMassK0Short"), v0.mK0Short());
if (v0cuts.cfg_min_mass_k0s < v0.mK0Short() && v0.mK0Short() < v0cuts.cfg_max_mass_k0s) {
registry.fill(HIST("V0/hTPCdEdx_P_Pi"), neg.tpcInnerParam(), neg.tpcSignal());
registry.fill(HIST("V0/hTOFbeta_P_Pi"), neg.tpcInnerParam(), neg.beta());
fillTrackTable(collision, neg, static_cast<uint8_t>(o2::aod::pwgem::dilepton::ml::PID_Label::kPion));
}
}
if (isPion(pos) && isSelectedV0Leg(collision, pos) && isPionTight(neg) && isSelectedV0LegTight(collision, neg)) {
if (!tightv0cuts.requireTOF_for_tagging || neg.hasTOF()) {
registry.fill(HIST("V0/hMassK0Short"), v0.mK0Short());
if (v0cuts.cfg_min_mass_k0s < v0.mK0Short() && v0.mK0Short() < v0cuts.cfg_max_mass_k0s) {
registry.fill(HIST("V0/hTPCdEdx_P_Pi"), pos.tpcInnerParam(), pos.tpcSignal());
registry.fill(HIST("V0/hTOFbeta_P_Pi"), pos.tpcInnerParam(), pos.beta());
fillTrackTable(collision, pos, static_cast<uint8_t>(o2::aod::pwgem::dilepton::ml::PID_Label::kPion));
}
if (isPion(pos) && isSelectedV0Leg(collision, pos) && isPionTightTOFreq(neg) && isSelectedV0LegTight(collision, neg)) {
registry.fill(HIST("V0/hMassK0Short"), v0.mK0Short());
if (v0cuts.cfg_min_mass_k0s < v0.mK0Short() && v0.mK0Short() < v0cuts.cfg_max_mass_k0s) {
registry.fill(HIST("V0/hTPCdEdx_P_Pi"), pos.tpcInnerParam(), pos.tpcSignal());
registry.fill(HIST("V0/hTOFbeta_P_Pi"), pos.tpcInnerParam(), pos.beta());
fillTrackTable(collision, pos, static_cast<uint8_t>(o2::aod::pwgem::dilepton::ml::PID_Label::kPion));
}
}
} // end of K0S
}

if (!(v0cuts.cfg_min_mass_k0s_veto < v0.mK0Short() && v0.mK0Short() < v0cuts.cfg_max_mass_k0s_veto)) {
if (isProton(pos) && isSelectedV0Leg(collision, pos) && isPionTight(neg) && isSelectedV0LegTight(collision, neg)) {
if (!tightv0cuts.requireTOF_for_tagging || (neg.hasTOF() || neg.tpcInnerParam() < 0.4)) {
registry.fill(HIST("V0/hMassLambda"), v0.mLambda());
if (v0cuts.cfg_min_mass_lambda < v0.mLambda() && v0.mLambda() < v0cuts.cfg_max_mass_lambda) {
fillTrackTable(collision, pos, static_cast<uint8_t>(o2::aod::pwgem::dilepton::ml::PID_Label::kProton));
registry.fill(HIST("V0/hTPCdEdx_P_Pr"), pos.tpcInnerParam(), pos.tpcSignal());
registry.fill(HIST("V0/hTOFbeta_P_Pr"), pos.tpcInnerParam(), pos.beta());
}
registry.fill(HIST("V0/hMassLambda"), v0.mLambda());
if (v0cuts.cfg_min_mass_lambda < v0.mLambda() && v0.mLambda() < v0cuts.cfg_max_mass_lambda) {
fillTrackTable(collision, pos, static_cast<uint8_t>(o2::aod::pwgem::dilepton::ml::PID_Label::kProton));
registry.fill(HIST("V0/hTPCdEdx_P_Pr"), pos.tpcInnerParam(), pos.tpcSignal());
registry.fill(HIST("V0/hTOFbeta_P_Pr"), pos.tpcInnerParam(), pos.beta());
}
} // end of Lambda
if (isPionTight(pos) && isSelectedV0LegTight(collision, pos) && isProton(neg) && isSelectedV0Leg(collision, neg)) {
if (!tightv0cuts.requireTOF_for_tagging || (pos.hasTOF() || pos.tpcInnerParam() < 0.4)) {
registry.fill(HIST("V0/hMassAntiLambda"), v0.mAntiLambda());
if (v0cuts.cfg_min_mass_lambda < v0.mAntiLambda() && v0.mAntiLambda() < v0cuts.cfg_max_mass_lambda) {
fillTrackTable(collision, neg, static_cast<uint8_t>(o2::aod::pwgem::dilepton::ml::PID_Label::kProton));
registry.fill(HIST("V0/hTPCdEdx_P_Pr"), neg.tpcInnerParam(), neg.tpcSignal());
registry.fill(HIST("V0/hTOFbeta_P_Pr"), neg.tpcInnerParam(), neg.beta());
}
registry.fill(HIST("V0/hMassAntiLambda"), v0.mAntiLambda());
if (v0cuts.cfg_min_mass_lambda < v0.mAntiLambda() && v0.mAntiLambda() < v0cuts.cfg_max_mass_lambda) {
fillTrackTable(collision, neg, static_cast<uint8_t>(o2::aod::pwgem::dilepton::ml::PID_Label::kProton));
registry.fill(HIST("V0/hTPCdEdx_P_Pr"), neg.tpcInnerParam(), neg.tpcSignal());
registry.fill(HIST("V0/hTOFbeta_P_Pr"), neg.tpcInnerParam(), neg.beta());
}
} // end of AntiLambda
}

} // end of stangeness

if (isElectronTight(pos) && isSelectedV0LegTight(collision, pos) && isElectron(neg) && isSelectedV0Leg(collision, neg)) {
if (!tightv0cuts.requireTOF_for_tagging || pos.hasTOF()) {
registry.fill(HIST("V0/hMassGamma"), v0.mGamma());
registry.fill(HIST("V0/hMassGamma_Rxy"), v0.v0radius(), v0.mGamma());
if (v0cuts.cfg_min_mass_photon < v0.mGamma() && v0.mGamma() < v0cuts.cfg_max_mass_photon) {
registry.fill(HIST("V0/hXY_Gamma"), v0.x(), v0.y());
fillTrackTable(collision, neg, static_cast<uint8_t>(o2::aod::pwgem::dilepton::ml::PID_Label::kElectron));
registry.fill(HIST("V0/hTPCdEdx_P_El"), neg.tpcInnerParam(), neg.tpcSignal());
registry.fill(HIST("V0/hTOFbeta_P_El"), neg.tpcInnerParam(), neg.beta());
}
registry.fill(HIST("V0/hMassGamma"), v0.mGamma());
registry.fill(HIST("V0/hMassGamma_Rxy"), v0.v0radius(), v0.mGamma());
if (v0cuts.cfg_min_mass_photon < v0.mGamma() && v0.mGamma() < v0cuts.cfg_max_mass_photon) {
registry.fill(HIST("V0/hXY_Gamma"), v0.x(), v0.y());
fillTrackTable(collision, neg, static_cast<uint8_t>(o2::aod::pwgem::dilepton::ml::PID_Label::kElectron));
registry.fill(HIST("V0/hTPCdEdx_P_El"), neg.tpcInnerParam(), neg.tpcSignal());
registry.fill(HIST("V0/hTOFbeta_P_El"), neg.tpcInnerParam(), neg.beta());
}
} // end of photon conversion

if (isElectron(pos) && isSelectedV0Leg(collision, pos) && isElectronTight(neg) && isSelectedV0LegTight(collision, neg)) {
if (!tightv0cuts.requireTOF_for_tagging || neg.hasTOF()) {
registry.fill(HIST("V0/hMassGamma"), v0.mGamma());
registry.fill(HIST("V0/hMassGamma_Rxy"), v0.v0radius(), v0.mGamma());
if (v0cuts.cfg_min_mass_photon < v0.mGamma() && v0.mGamma() < v0cuts.cfg_max_mass_photon) {
registry.fill(HIST("V0/hXY_Gamma"), v0.x(), v0.y());
fillTrackTable(collision, pos, static_cast<uint8_t>(o2::aod::pwgem::dilepton::ml::PID_Label::kElectron));
registry.fill(HIST("V0/hTPCdEdx_P_El"), pos.tpcInnerParam(), pos.tpcSignal());
registry.fill(HIST("V0/hTOFbeta_P_El"), pos.tpcInnerParam(), pos.beta());
}
registry.fill(HIST("V0/hMassGamma"), v0.mGamma());
registry.fill(HIST("V0/hMassGamma_Rxy"), v0.v0radius(), v0.mGamma());
if (v0cuts.cfg_min_mass_photon < v0.mGamma() && v0.mGamma() < v0cuts.cfg_max_mass_photon) {
registry.fill(HIST("V0/hXY_Gamma"), v0.x(), v0.y());
fillTrackTable(collision, pos, static_cast<uint8_t>(o2::aod::pwgem::dilepton::ml::PID_Label::kElectron));
registry.fill(HIST("V0/hTPCdEdx_P_El"), pos.tpcInnerParam(), pos.tpcSignal());
registry.fill(HIST("V0/hTOFbeta_P_El"), pos.tpcInnerParam(), pos.beta());
}
} // end of photon conversion

Expand All @@ -890,16 +885,10 @@
if (!isProtonTight(pos) || !isPionTight(neg)) {
continue;
}
if (cascadecuts.requireTOF_for_tagging && (!pos.hasTOF() && !neg.hasTOF())) { // require TOF to proton candidates. // pion from L is soft. Don't require TOF for soft pions.
continue;
}
} else { // Omegabar+ -> Lbar + K+ -> pbar + pi+ + K+
if (!isProtonTight(neg) || !isPionTight(pos)) {
continue;
}
if (cascadecuts.requireTOF_for_tagging && (!pos.hasTOF() && !neg.hasTOF())) { // require TOF to anti-proton candidates. // pion from L is soft. Don't require TOF for soft pions.
continue;
}
}

if (!(cascadecuts.cfg_min_mass_lambda < cascade.mLambda() && cascade.mLambda() < cascadecuts.cfg_max_mass_lambda)) {
Expand Down
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