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[PWGJE] GNN b-jet histograms revised #15347

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[PWGJE] GNN b-jet histograms revised #15347

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2b9f215
GNN b-jet histograms revised
Mar 11, 2026
148741a
Please consider the following formatting changes
alibuild Mar 11, 2026
94da270
Merge pull request #10 from alibuild/alibot-cleanup-15347
choich08365 Mar 11, 2026
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80 changes: 53 additions & 27 deletions PWGJE/Tasks/bjetTaggingGnn.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -263,41 +263,48 @@ struct BjetTaggingGnn {
registry.add("h_gnnfeat_trackPhi", "", {HistType::kTH1F, {{200, 0., 2. * M_PI, "#it{#phi}"}}});
registry.add("h_gnnfeat_trackEta", "", {HistType::kTH1F, {{200, -0.9, 0.9, "#it{#eta}"}}});
registry.add("h_gnnfeat_trackCharge", "", {HistType::kTH1F, {{3, -1., 2., "#it{q}"}}});
registry.add("h_gnnfeat_trackDCAxy", "", {HistType::kTH1F, {{200, -5., 5., "DCA_#it{xy} (cm)"}}});
registry.add("h_gnnfeat_trackSigmaDCAxy", "", {HistType::kTH1F, {{200, 0., 5., "#it{#sigma}_{{DCA_#it{xy}} (cm)"}}});
registry.add("h_gnnfeat_trackDCAz", "", {HistType::kTH1F, {{200, -5., 5., "DCA_#it{z} (cm)"}}});
registry.add("h_gnnfeat_trackSigmaDCAz", "", {HistType::kTH1F, {{200, 0., 5., "#it{#sigma}_{{DCA_#it{z}} (cm)"}}});
registry.add("h_gnnfeat_trackDCAxy", "", {HistType::kTH1F, {{200, -5., 5., "DCA_{#it{xy}} (cm)"}}});
registry.add("h_gnnfeat_trackSigmaDCAxy", "", {HistType::kTH1F, {{200, 0., 5., "#it{#sigma}_{{DCA_{#it{xy}}} (cm)"}}});
registry.add("h_gnnfeat_trackDCAz", "", {HistType::kTH1F, {{200, -5., 5., "DCA_{#it{z}} (cm)"}}});
registry.add("h_gnnfeat_trackSigmaDCAz", "", {HistType::kTH1F, {{200, 0., 5., "#it{#sigma}_{{DCA_{#it{z}}} (cm)"}}});
registry.add("h_gnnfeat_trackITSChi2NCl", "", {HistType::kTH1F, {{200, 0., 40., "ITS #it{#chi}^{2}/ndf"}}});
registry.add("h_gnnfeat_trackTPCChi2NCl", "", {HistType::kTH1F, {{200, 0., 5., "TPC #it{#chi}^{2}/ndf"}}});
registry.add("h_gnnfeat_trackITSNCls", "", {HistType::kTH1F, {{8, 0., 8., "ITS NCls"}}});
registry.add("h_gnnfeat_trackTPCNCls", "", {HistType::kTH1F, {{153, 0., 153., "TPC NCls"}}});
registry.add("h_gnnfeat_trackTPCNCrossedRows", "", {HistType::kTH1F, {{153, 0., 153., "TPC NCrossedRows"}}});
registry.add("h_gnnfeat_tracksIPxy", "", {HistType::kTH1F, {{200, -5., 5., "{sIP}_#it{xy}"}}});
registry.add("h_gnnfeat_tracksIPz", "", {HistType::kTH1F, {{200, -5., 5., "{sIP}_#it{z}"}}});
registry.add("h_gnnfeat_tracksIPxy", "", {HistType::kTH1F, {{200, -5., 5., "{sIP}_{#it{xy}}"}}});
registry.add("h_gnnfeat_tracksIPz", "", {HistType::kTH1F, {{200, -5., 5., "{sIP}_{#it{z}}"}}});

if (doprocessDataTracks || doprocessMCDTracks) {
registry.add("h_trackpT", "", {HistType::kTH1F, {axisTrackpT}}, callSumw2);
registry.add("h_tracketa", "", {HistType::kTH1F, {{100, trackEtaMin, trackEtaMax, "#it{#eta}"}}}, callSumw2);
registry.add("h_trackphi", "", {HistType::kTH1F, {{100, 0.0, 2.0 * M_PI, "#it{#phi}"}}}, callSumw2);
registry.add("h_dcaXY", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{xy}}| (cm)"}}}, callSumw2);
registry.add("h_dcaZ", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{z}}| (cm)"}}}, callSumw2);
}

if (doprocessMCDTracks) {
registry.add("h2_trackpT_partpT", "", {HistType::kTH2F, {axisTrackpT, axisTrackpT}}, callSumw2);
registry.add("h_partpT_matched_fine", "", {HistType::kTH1F, {axisTrackpTFine}}, callSumw2);
registry.add("h_partpT", "", {HistType::kTH1F, {axisTrackpT}}, callSumw2);
registry.add("h_partpT_fine", "", {HistType::kTH1F, {axisTrackpTFine}}, callSumw2);
registry.add("h_dcaXY_coll_matched", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_#it{xy}| (cm)"}}}, callSumw2);
registry.add("h_dcaXY_coll_matched_b", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_#it{xy}| (cm)"}}}, callSumw2);
registry.add("h_dcaXY_coll_matched_c", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_#it{xy}| (cm)"}}}, callSumw2);
registry.add("h_dcaXY_coll_matched_lf", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_#it{xy}| (cm)"}}}, callSumw2);
registry.add("h_dcaXY_coll_mismatched", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_#it{xy}| (cm)"}}}, callSumw2);
registry.add("h_dcaXY_npp", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_#it{xy}| (cm)"}}}, callSumw2);
registry.add("h_dcaZ_coll_matched", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_#it{z}| (cm)"}}}, callSumw2);
registry.add("h_dcaZ_coll_matched_b", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_#it{z}| (cm)"}}}, callSumw2);
registry.add("h_dcaZ_coll_matched_c", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_#it{z}| (cm)"}}}, callSumw2);
registry.add("h_dcaZ_coll_matched_lf", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_#it{z}| (cm)"}}}, callSumw2);
registry.add("h_dcaZ_coll_mismatched", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_#it{z}| (cm)"}}}, callSumw2);
registry.add("h_dcaZ_npp", "", {HistType::kTH1F, {{200, 0., 5., "|DCA_#it{z}| (cm)"}}}, callSumw2);
// DCA cut study histograms (pT > pTMin)
registry.add("h_dcaXY_coll_fake", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{xy}}| (cm)"}}}, callSumw2); // tracks from fake collisions
registry.add("h_dcaXY_fake", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{xy}}| (cm)"}}}, callSumw2); // fake tracks (no matched particle)
registry.add("h_dcaXY_coll_matched", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{xy}}| (cm)"}}}, callSumw2); // tracks from matched collisions
registry.add("h_dcaXY_coll_matched_b", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{xy}}| (cm)"}}}, callSumw2); // tracks from matched collisions, b hadron decay
registry.add("h_dcaXY_coll_matched_c", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{xy}}| (cm)"}}}, callSumw2); // tracks from matched collisions, c hadron decay
registry.add("h_dcaXY_coll_matched_lf", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{xy}}| (cm)"}}}, callSumw2); // tracks from matched collisions, others
registry.add("h_dcaXY_coll_mismatched", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{xy}}| (cm)"}}}, callSumw2); // tracks from mismatched collisions
registry.add("h_dcaXY_npp", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{xy}}| (cm)"}}}, callSumw2); // non-physical primary tracks (GenStatusCode=-1)
registry.add("h_dcaZ_coll_fake", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{z}}| (cm)"}}}, callSumw2);
registry.add("h_dcaZ_fake", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{z}}| (cm)"}}}, callSumw2);
registry.add("h_dcaZ_coll_matched", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{z}}| (cm)"}}}, callSumw2);
registry.add("h_dcaZ_coll_matched_b", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{z}}| (cm)"}}}, callSumw2);
registry.add("h_dcaZ_coll_matched_c", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{z}}| (cm)"}}}, callSumw2);
registry.add("h_dcaZ_coll_matched_lf", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{z}}| (cm)"}}}, callSumw2);
registry.add("h_dcaZ_coll_mismatched", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{z}}| (cm)"}}}, callSumw2);
registry.add("h_dcaZ_npp", "", {HistType::kTH1F, {{200, 0., 4., "|DCA_{#it{z}}| (cm)"}}}, callSumw2);
}

if (doprocessDataJetsSel || doprocessMCDJetsSel) {
Expand Down Expand Up @@ -822,6 +829,10 @@ struct BjetTaggingGnn {
registry.fill(HIST("h_trackpT"), track.pt());
registry.fill(HIST("h_tracketa"), track.eta());
registry.fill(HIST("h_trackphi"), track.phi());
if (track.pt() >= trackPtMin) {
registry.fill(HIST("h_dcaXY"), std::fabs(track.dcaXY()));
registry.fill(HIST("h_dcaZ"), std::fabs(track.dcaZ()));
}
}
}
PROCESS_SWITCH(BjetTaggingGnn, processDataTracks, "track information in Data", false);
Expand Down Expand Up @@ -1095,17 +1106,34 @@ struct BjetTaggingGnn {
registry.fill(HIST("h_trackpT"), track.pt(), weightEvt);
registry.fill(HIST("h_tracketa"), track.eta(), weightEvt);
registry.fill(HIST("h_trackphi"), track.phi(), weightEvt);
if (track.pt() >= trackPtMin) {
registry.fill(HIST("h_dcaXY"), std::fabs(track.dcaXY()), weightEvt);
registry.fill(HIST("h_dcaZ"), std::fabs(track.dcaZ()), weightEvt);
}

if (!matchedMcColl || !track.has_mcParticle()) {
if (!matchedMcColl) {
if (track.pt() >= trackPtMin) {
registry.fill(HIST("h_dcaXY_coll_fake"), std::fabs(track.dcaXY()), weightEvt);
registry.fill(HIST("h_dcaZ_coll_fake"), std::fabs(track.dcaZ()), weightEvt);
}
continue;
}
if (!track.has_mcParticle()) {
if (track.pt() >= trackPtMin) {
registry.fill(HIST("h_dcaXY_fake"), std::fabs(track.dcaXY()), weightEvt);
registry.fill(HIST("h_dcaZ_fake"), std::fabs(track.dcaZ()), weightEvt);
}
continue;
}
auto particle = track.template mcParticle_as<aod::JetParticles>();
if (particle.isPhysicalPrimary()) {
if (particle.eta() > trackEtaMin && particle.eta() < trackEtaMax) {
if (particle.eta() > trackEtaMin && particle.eta() < trackEtaMax) {
if (particle.isPhysicalPrimary()) {
registry.fill(HIST("h2_trackpT_partpT"), track.pt(), particle.pt(), weightEvt);
registry.fill(HIST("h_partpT_matched_fine"), particle.pt(), weightEvt);
}
if (track.pt() >= trackPtMin) {
// Track association accuracy as a function of DCA
if (track.pt() >= trackPtMin) {
if (particle.isPhysicalPrimary()) {
if (particle.mcCollisionId() == collision.mcCollisionId()) {
registry.fill(HIST("h_dcaXY_coll_matched"), std::fabs(track.dcaXY()), weightEvt); // Matched to particle from the same MC collision
registry.fill(HIST("h_dcaZ_coll_matched"), std::fabs(track.dcaZ()), weightEvt);
Expand All @@ -1124,13 +1152,11 @@ struct BjetTaggingGnn {
registry.fill(HIST("h_dcaXY_coll_mismatched"), std::fabs(track.dcaXY()), weightEvt); // Matched to particle from a different MC collision
registry.fill(HIST("h_dcaZ_coll_mismatched"), std::fabs(track.dcaZ()), weightEvt);
}
} else {
registry.fill(HIST("h_dcaXY_npp"), std::fabs(track.dcaXY()), weightEvt);
registry.fill(HIST("h_dcaZ_npp"), std::fabs(track.dcaZ()), weightEvt);
}
}
} else {
if (particle.eta() > trackEtaMin && particle.eta() < trackEtaMax && track.pt() >= trackPtMin) {
registry.fill(HIST("h_dcaXY_npp"), std::fabs(track.dcaXY()), weightEvt);
registry.fill(HIST("h_dcaZ_npp"), std::fabs(track.dcaZ()), weightEvt);
}
}
}

Expand Down
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