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[PWGEM/Dilepton] update DileptonSV and SVMC #17014

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Merged
dsekihat merged 1 commit into from
Jul 10, 2026
+249 −135
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[PWGEM/Dilepton] update DileptonSV and SVMC #17014

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60 changes: 48 additions & 12 deletions PWGEM/Dilepton/Core/DileptonSV.h
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Original file line number Diff line number Diff line change
Expand Up @@ -118,11 +118,14 @@

template <o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType pairtype, bool withSCT, typename TEMH, typename... Types>
struct DileptonSV {

// Configurables
o2::framework::Configurable<std::string> ccdburl{"ccdb-url", "http://alice-ccdb.cern.ch", "url of the ccdb repository"};
o2::framework::Configurable<std::string> grpPath{"grpPath", "GLO/GRP/GRP", "Path of the grp file"};
o2::framework::Configurable<std::string> grpmagPath{"grpmagPath", "GLO/Config/GRPMagField", "CCDB path of the GRPMagField object"};
o2::framework::Configurable<std::string> lutPath{"lutPath", "GLO/Param/MatLUT", "Path of the Lut parametrization"};
o2::framework::Configurable<std::string> geoPath{"geoPath", "GLO/Config/GeometryAligned", "Path of the geometry file"};
o2::framework::Configurable<int> matCorrType{"matCorrType", 1, "0: none, 1: TGeo, 2: LUT, else: none"};

o2::framework::Configurable<bool> cfgApplySPresolution{"cfgApplySPresolution", false, "flag to apply resolution correction for flow analysis"};
o2::framework::Configurable<std::string> spresoPath{"spresoPath", "Users/d/dsekihat/PWGEM/dilepton/Qvector/resolution/LHC23zzh/pass3/test", "Path to SP resolution file"};
o2::framework::Configurable<std::string> spresoHistName{"spresoHistName", "h1_R2_FT0M_BPos_BNeg", "histogram name of SP resolution file"};
Expand All @@ -138,6 +141,8 @@
o2::framework::ConfigurableAxis ConfPtllBins{"ConfPtllBins", {o2::framework::VARIABLE_WIDTH, 0.00, 0.10, 0.20, 0.30, 0.40, 0.50, 0.60, 0.70, 0.80, 0.90, 1.00, 1.10, 1.20, 1.30, 1.40, 1.50, 1.60, 1.70, 1.80, 1.90, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 5.00, 6.00, 7.00, 8.00, 9.00, 10.00}, "pTll bins for output histograms"};
o2::framework::ConfigurableAxis ConfDCAllBins{"ConfDCAllBins", {o2::framework::VARIABLE_WIDTH, 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0}, "DCAll bins for output histograms"};
o2::framework::ConfigurableAxis ConfYllBins{"ConfYllBins", {1, -1.f, 1.f}, "yll bins for output histograms"}; // pair rapidity
o2::framework::ConfigurableAxis ConfLog10Chi2PCABins{"ConfLog10Chi2PCABins", {1, -12.f, 0.f}, "log10 of chi2PCA bins for output histograms"};
o2::framework::ConfigurableAxis ConfDLBins{"ConfDLBins", {1, 0.f, 10.f}, "decay length bins for output histograms"};
o2::framework::ConfigurableAxis ConfCPABins{"ConfCPABins", {o2::framework::VARIABLE_WIDTH, -1, -0.95, -0.9, -0.85, -0.8, -0.7, -0.6, -0.5, -0.4, -0.3, -0.2, -0.1, 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.85, 0.9, 0.95, 1}, "cpa bins for output histograms"};

o2::framework::ConfigurableAxis ConfSPBins{"ConfSPBins", {200, -5, 5}, "SP bins for flow analysis"};
Expand Down Expand Up @@ -542,6 +547,36 @@
mFwdDCAFitter.setMinParamChange(fdfGroup.minParamChange);
mFwdDCAFitter.setMinRelChi2Change(fdfGroup.minRelChi2Change);
mFwdDCAFitter.setUseAbsDCA(fdfGroup.useAbsDCA);

if constexpr (pairtype == o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType::kDimuon) {
switch (matCorrType.value) {
case static_cast<int>(o2::aod::pwgem::dilepton::utils::pairutil::MatCorrType::kNone):
mFwdDCAFitter.setTGeoMat(false);
break;
case static_cast<int>(o2::aod::pwgem::dilepton::utils::pairutil::MatCorrType::kTGeo):
LOGF(info, "TGeo correction requested, loading geometry");
if (!o2::base::GeometryManager::isGeometryLoaded()) {
ccdb->get<TGeoManager>(geoPath);
}
// matCorr = o2::base::Propagator::MatCorrType::USEMatCorrTGeo;
mFwdDCAFitter.setTGeoMat(true);
break;
case static_cast<int>(o2::aod::pwgem::dilepton::utils::pairutil::MatCorrType::kLUT): {
LOGF(info, "LUT correction requested, loading LUT");
o2::base::MatLayerCylSet* lut = o2::base::MatLayerCylSet::rectifyPtrFromFile(ccdb->get<o2::base::MatLayerCylSet>(lutPath));
// matCorr = o2::base::Propagator::MatCorrType::USEMatCorrLUT;
mFwdDCAFitter.setTGeoMat(false);
mFwdDCAFitter.setMatLUT(lut);
break;
}
default:
LOGF(info, "no correction requested, loading LUT by default!");
// lut = o2::base::MatLayerCylSet::rectifyPtrFromFile(ccdb->get<o2::base::MatLayerCylSet>(lutPath));
// matCorr = o2::base::Propagator::MatCorrType::USEMatCorrLUT;
mFwdDCAFitter.setTGeoMat(false);
break;
}
}
}

template <bool isTriggerAnalysis, typename TCollision>
Expand Down Expand Up @@ -642,7 +677,7 @@
pair_dca_axis_title = "DCA_{ee}^{3D} (#sigma)";
if (dielectroncuts.cfgDCAType == 1) {
pair_dca_axis_title = "DCA_{ee}^{XY} (#sigma)";
} else if (dielectroncuts.cfgDCAType == 2) {

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pair_dca_axis_title = "DCA_{ee}^{Z} (#sigma)";
}
} else if constexpr (pairtype == o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType::kDimuon) {
Expand All @@ -657,10 +692,12 @@
const o2::framework::AxisSpec axis_pt{ConfPtllBins, pair_pt_axis_title};
const o2::framework::AxisSpec axis_dca{ConfDCAllBins, pair_dca_axis_title};
const o2::framework::AxisSpec axis_y{ConfYllBins, pair_y_axis_title};
const o2::framework::AxisSpec axis_chi2PCA{ConfLog10Chi2PCABins, "log_{10}(#chi^{2}_{PCA})"};
const o2::framework::AxisSpec axis_dl{ConfDLBins, "decay length (#sigma)"};
const o2::framework::AxisSpec axis_cpa{ConfCPABins, "cos(#theta_{p})"};

if (cfgAnalysisType == static_cast<int>(o2::aod::pwgem::dilepton::utils::pairutil::DileptonAnalysisType::kQC)) {
fRegistry.add("Pair/same/uls/hs", "dilepton", o2::framework::HistType::kTHnSparseD, {axis_mass, axis_pt, axis_dca, axis_y, axis_cpa}, true);
fRegistry.add("Pair/same/uls/hs", "dilepton", o2::framework::HistType::kTHnSparseD, {axis_mass, axis_pt, axis_dca, axis_y, axis_chi2PCA, axis_dl, axis_cpa}, true);
fRegistry.add("Pair/same/uls/hDeltaEtaDeltaPhi", "#Delta#eta-#Delta#varphi between 2 tracks;#Delta#varphi (rad.);#Delta#eta;", o2::framework::HistType::kTH2D, {{360, -M_PI, M_PI}, {400, -2, +2}}, true);

if constexpr (pairtype == o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType::kDielectron) {
Expand Down Expand Up @@ -716,7 +753,7 @@
const o2::framework::AxisSpec axis_cos_theta{ConfPolarizationCosThetaBins, Form("cos(#theta^{%s})", frameName.data())};
const o2::framework::AxisSpec axis_phi{ConfPolarizationPhiBins, Form("#varphi^{%s} (rad.)", frameName.data())};
const o2::framework::AxisSpec axis_quadmom{ConfPolarizationQuadMomBins, Form("#frac{3 cos^{2}(#theta^{%s}) -1}{2}", frameName.data())};
fRegistry.add("Pair/same/uls/hs", "dilepton", o2::framework::HistType::kTHnSparseD, {axis_mass, axis_pt, axis_dca, axis_y, axis_cos_theta, axis_phi, axis_quadmom, axis_cpa}, true);
fRegistry.add("Pair/same/uls/hs", "dilepton", o2::framework::HistType::kTHnSparseD, {axis_mass, axis_pt, axis_dca, axis_y, axis_cos_theta, axis_phi, axis_quadmom}, true);

fRegistry.addClone("Pair/same/uls/", "Pair/same/lspp/");
fRegistry.addClone("Pair/same/uls/", "Pair/same/lsmm/");
Expand Down Expand Up @@ -762,7 +799,7 @@
}

// event info
if (nmod == 2) {

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o2::aod::pwgem::dilepton::utils::eventhistogram::addEventHistograms<2>(&fRegistry);
} else {
o2::aod::pwgem::dilepton::utils::eventhistogram::addEventHistograms<-1>(&fRegistry);
Expand Down Expand Up @@ -879,7 +916,7 @@
fDimuonCut.SetMatchingChi2MCHMID(0.f, dimuoncuts.cfg_max_matching_chi2_mchmid);
fDimuonCut.SetDCAxy(0.f, dimuoncuts.cfg_max_dcaxy);
fDimuonCut.SetRabs(dimuoncuts.cfg_min_rabs, dimuoncuts.cfg_max_rabs);
fDimuonCut.SetMaxPDCARabsDep([&](float rabs) { return (rabs < 26.5 ? 594.f : 324.f); });

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fDimuonCut.SetMaxdPtdEtadPhiwrtMCHMID(dimuoncuts.cfg_max_relDPt_wrt_matchedMCHMID, dimuoncuts.cfg_max_DEta_wrt_matchedMCHMID, dimuoncuts.cfg_max_DPhi_wrt_matchedMCHMID); // this is relevant for global muons
fDimuonCut.SetMFTHitMap(dimuoncuts.requireMFTHitMap, dimuoncuts.requiredMFTDisks);
fDimuonCut.EnableTTCA(dimuoncuts.enableTTCA);
Expand All @@ -891,7 +928,7 @@
int ptbin = lower_bound(dielectroncuts.binsMLSCT.value.begin(), dielectroncuts.binsMLSCT.value.end(), track.pt()) - dielectroncuts.binsMLSCT.value.begin() - 1;
if (ptbin < 0) {
ptbin = 0;
} else if (static_cast<int>(dielectroncuts.binsMLSCT.value.size()) - 2 < ptbin) {

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ptbin = static_cast<int>(dielectroncuts.binsMLSCT.value.size()) - 2;
}

Expand All @@ -910,7 +947,7 @@
{
bool is_good = true;
for (const auto& qn : qvectors[nmod]) {
if (std::fabs(qn[0]) > 20.f || std::fabs(qn[1]) > 20.f) {

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is_good = false;
break;
}
Expand Down Expand Up @@ -1142,7 +1179,7 @@
pair_dca = o2::aod::pwgem::dilepton::utils::pairutil::pairDCAQuadSum(o2::aod::pwgem::dilepton::utils::emtrackutil::dca3DinSigma(t1), o2::aod::pwgem::dilepton::utils::emtrackutil::dca3DinSigma(t2));
if (dielectroncuts.cfgDCAType == 1) {
pair_dca = o2::aod::pwgem::dilepton::utils::pairutil::pairDCAQuadSum(o2::aod::pwgem::dilepton::utils::emtrackutil::dcaXYinSigma(t1), o2::aod::pwgem::dilepton::utils::emtrackutil::dcaXYinSigma(t2));
} else if (dielectroncuts.cfgDCAType == 2) {

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pair_dca = o2::aod::pwgem::dilepton::utils::pairutil::pairDCAQuadSum(o2::aod::pwgem::dilepton::utils::emtrackutil::dcaZinSigma(t1), o2::aod::pwgem::dilepton::utils::emtrackutil::dcaZinSigma(t2));
}
} else if constexpr (pairtype == o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType::kDimuon) {
Expand All @@ -1157,19 +1194,19 @@
float phiv = o2::aod::pwgem::dilepton::utils::pairutil::getPhivPair(t1.px(), t1.py(), t1.pz(), t2.px(), t2.py(), t2.pz(), t1.sign(), t2.sign(), d_bz);

if (t1.sign() * t2.sign() < 0) { // ULS
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("uls/hs"), v12.M(), v12.Pt(), pair_dca, v12.Rapidity(), candidate.cpa, weight);
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("uls/hs"), v12.M(), v12.Pt(), pair_dca, v12.Rapidity(), std::log10(candidate.chi2PCA), candidate.lxyz / candidate.lxyzErr, candidate.cpa, weight);
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("uls/hDeltaEtaDeltaPhi"), dphi, deta, weight);
if constexpr (pairtype == o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType::kDielectron) {
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("uls/hMvsPhiV"), phiv, v12.M(), weight);
}
} else if (t1.sign() > 0 && t2.sign() > 0) { // LS++
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("lspp/hs"), v12.M(), v12.Pt(), pair_dca, v12.Rapidity(), candidate.cpa, weight);
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("lspp/hs"), v12.M(), v12.Pt(), pair_dca, v12.Rapidity(), std::log10(candidate.chi2PCA), candidate.lxyz / candidate.lxyzErr, candidate.cpa, weight);
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("lspp/hDeltaEtaDeltaPhi"), dphi, deta, weight);
if constexpr (pairtype == o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType::kDielectron) {
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("lspp/hMvsPhiV"), phiv, v12.M(), weight);
}
} else if (t1.sign() < 0 && t2.sign() < 0) { // LS--
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("lsmm/hs"), v12.M(), v12.Pt(), pair_dca, v12.Rapidity(), candidate.cpa, weight);
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("lsmm/hs"), v12.M(), v12.Pt(), pair_dca, v12.Rapidity(), std::log10(candidate.chi2PCA), candidate.lxyz / candidate.lxyzErr, candidate.cpa, weight);
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("lsmm/hDeltaEtaDeltaPhi"), dphi, deta, weight);
if constexpr (pairtype == o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType::kDielectron) {
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("lsmm/hMvsPhiV"), phiv, v12.M(), weight);
Expand Down Expand Up @@ -1251,11 +1288,11 @@
float quadmom = (3.f * std::pow(cos_thetaPol, 2) - 1.f) / 2.f;

if (t1.sign() * t2.sign() < 0) { // ULS
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("uls/hs"), v12.M(), v12.Pt(), pair_dca, v12.Rapidity(), cos_thetaPol, phiPol, quadmom, candidate.cpa, weight);
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("uls/hs"), v12.M(), v12.Pt(), pair_dca, v12.Rapidity(), cos_thetaPol, phiPol, quadmom, weight);
} else if (t1.sign() > 0 && t2.sign() > 0) { // LS++
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("lspp/hs"), v12.M(), v12.Pt(), pair_dca, v12.Rapidity(), cos_thetaPol, phiPol, quadmom, candidate.cpa, weight);
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("lspp/hs"), v12.M(), v12.Pt(), pair_dca, v12.Rapidity(), cos_thetaPol, phiPol, quadmom, weight);
} else if (t1.sign() < 0 && t2.sign() < 0) { // LS--
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("lsmm/hs"), v12.M(), v12.Pt(), pair_dca, v12.Rapidity(), cos_thetaPol, phiPol, quadmom, candidate.cpa, weight);
fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("lsmm/hs"), v12.M(), v12.Pt(), pair_dca, v12.Rapidity(), cos_thetaPol, phiPol, quadmom, weight);
}
} else if (cfgAnalysisType == static_cast<int>(o2::aod::pwgem::dilepton::utils::pairutil::DileptonAnalysisType::kHFll)) {
float dphi = v1.Phi() - v2.Phi();
Expand Down Expand Up @@ -1467,9 +1504,8 @@
ifnode((dielectroncuts.cfg_prefilter_bits.node() & static_cast<uint16_t>(1 << int(o2::aod::pwgem::dilepton::utils::pairutil::DileptonPrefilterBit::kElFromPi0_140MeV))) > static_cast<uint16_t>(0), (o2::aod::emprimaryelectron::pfb & static_cast<uint8_t>(1 << int(o2::aod::pwgem::dilepton::utils::pairutil::DileptonPrefilterBit::kElFromPi0_140MeV))) <= static_cast<uint8_t>(0), true),
o2::aod::emprimaryelectron::pfb >= static_cast<uint8_t>(0));

using TElectronType = std::tuple_element_t<0, std::tuple<Types...>>;
o2::framework::Partition<TElectronType> positive_electrons = o2::aod::emprimaryelectron::sign > int8_t(0);
o2::framework::Partition<TElectronType> negative_electrons = o2::aod::emprimaryelectron::sign < int8_t(0);
o2::framework::Partition<FilteredMyElectrons> positive_electrons = o2::aod::emprimaryelectron::sign > int8_t(0);
o2::framework::Partition<FilteredMyElectrons> negative_electrons = o2::aod::emprimaryelectron::sign < int8_t(0);

o2::framework::Preslice<o2::aod::EMPrimaryMuonEMEventIds> perCollision_muon = o2::aod::emprimarymuon::emeventId;
o2::framework::expressions::Filter trackFilter_muon = o2::aod::fwdtrack::trackType == dimuoncuts.cfg_track_type && dimuoncuts.cfg_min_pt_track < o2::aod::fwdtrack::pt && o2::aod::fwdtrack::pt < dimuoncuts.cfg_max_pt_track && dimuoncuts.cfg_min_eta_track < o2::aod::fwdtrack::eta && o2::aod::fwdtrack::eta < dimuoncuts.cfg_max_eta_track;
Expand Down Expand Up @@ -1515,7 +1551,7 @@
{q2ft0m, q2ft0a, q2ft0c, q2btot, q2bpos, q2bneg, q2fv0a}, // 2nd harmonics
};

if (nmod == 2) {

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o2::aod::pwgem::dilepton::utils::eventhistogram::fillEventInfo<0, 2>(&fRegistry, collision);
} else {
o2::aod::pwgem::dilepton::utils::eventhistogram::fillEventInfo<0, -1>(&fRegistry, collision);
Expand Down Expand Up @@ -1578,7 +1614,7 @@
bootstrapweights.push_back(1.0); // to pass as non-empyt dummy to use
}

if (nmod == 2) {

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o2::aod::pwgem::dilepton::utils::eventhistogram::fillEventInfo<1, 2>(&fRegistry, collision);
} else {
o2::aod::pwgem::dilepton::utils::eventhistogram::fillEventInfo<1, -1>(&fRegistry, collision);
Expand Down Expand Up @@ -1624,14 +1660,14 @@
int zbin = lower_bound(zvtx_bin_edges.begin(), zvtx_bin_edges.end(), collision.posZ()) - zvtx_bin_edges.begin() - 1;
if (zbin < 0) {
zbin = 0;
} else if (static_cast<int>(zvtx_bin_edges.size()) - 2 < zbin) {

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zbin = static_cast<int>(zvtx_bin_edges.size()) - 2;
}

int centbin = lower_bound(cent_bin_edges.begin(), cent_bin_edges.end(), centrality) - cent_bin_edges.begin() - 1;
if (centbin < 0) {
centbin = 0;
} else if (static_cast<int>(cent_bin_edges.size()) - 2 < centbin) {

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centbin = static_cast<int>(cent_bin_edges.size()) - 2;
}

Expand Down
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