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ddobrigk merged 2 commits into from
May 11, 2026
+47 −19
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[Common] Tune pp mult calib on derived data #16207

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[Common] Tune pp mult calib on derived data
ddobrigk May 11, 2026
aa5a471
Please consider the following formatting changes (#507)
alibuild May 11, 2026
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66 changes: 47 additions & 19 deletions Common/Tasks/centralityStudypp.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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[name/workflow-file] 

Name of a workflow file must match the name of the main struct in it (without the PWG prefix). (Class implementation files should be in "Core" directories.)
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
Expand Down Expand Up @@ -72,6 +72,7 @@
// _______________________________________
// event selection criteria
Configurable<bool> applyVertexZEqualization{"applyVertexZEqualization", false, "0 - no, 1 - yes"};
Configurable<bool> saveUnequalized{"saveUnequalized", false, "save unequalized raw: 0 - no, 1 - yes"};
Configurable<bool> applySel8{"applySel8", true, "0 - no, 1 - yes"};
Configurable<bool> applyVtxZ{"applyVtxZ", true, "0 - no, 1 - yes"};
Configurable<bool> requireINELgtZERO{"requireINELgtZERO", true, "0 no, 1 - yes"};
Expand All @@ -83,22 +84,13 @@
Configurable<bool> requireIsVertexTRDmatched{"requireIsVertexTRDmatched", false, "require events with at least one of vertex contributors matched to TRD"};
Configurable<bool> rejectSameBunchPileup{"rejectSameBunchPileup", false, "reject collisions in case of pileup with another collision in the same foundBC"};

// Configurable Axes for 2d plots, etc
// ConfigurableAxis axisMultFV0A{"axisMultFV0A", {1000, 0, 100000}, "FV0A amplitude"};
// ConfigurableAxis axisMultFT0A{"axisMultFT0A", {1000, 0, 100000}, "FT0A amplitude"};
// ConfigurableAxis axisMultFT0C{"axisMultFT0C", {1000, 0, 100000}, "FT0C amplitude"};
// ConfigurableAxis axisMultFT0M{"axisMultFT0M", {1000, 0, 100000}, "FT0M amplitude"};
// ConfigurableAxis axisMultFDDA{"axisMultFDDA", {1000, 0, 100000}, "FDDA amplitude"};
// ConfigurableAxis axisMultFDDC{"axisMultFDDC", {1000, 0, 100000}, "FDDC amplitude"};
// ConfigurableAxis axisMultPVContributors{"axisMultPVContributors", {200, 0, 6000}, "Number of PV Contributors"};
// ConfigurableAxis axisMultGlobalTracks{"axisMultGlobalTracks", {500, 0, 5000}, "Number of global tracks"};
// ConfigurableAxis axisMultMFTTracks{"axisMultMFTTracks", {500, 0, 5000}, "Number of MFT tracks"};

// For one-dimensional plots, where binning is no issue
ConfigurableAxis axisMultUltraFineFV0A{"axisMultUltraFineFV0A", {60000, 0, 60000}, "FV0A amplitude"};
ConfigurableAxis axisMultUltraFineFT0M{"axisMultUltraFineFT0M", {50000, 0, 200000}, "FT0M amplitude"};
ConfigurableAxis axisMultUltraFineFT0C{"axisMultUltraFineFT0C", {60000, 0, 60000}, "FT0C amplitude"};
ConfigurableAxis axisMultUltraFineFT0A{"axisMultUltraFineFT0A", {60000, 0, 60000}, "FT0A amplitude"};
ConfigurableAxis axisMultUltraFineFT0C{"axisMultUltraFineFT0C", {60000, 0, 60000}, "FT0C amplitude"};
ConfigurableAxis axisMultUltraFineFT0M{"axisMultUltraFineFT0M", {50000, 0, 200000}, "FT0M amplitude"};
ConfigurableAxis axisMultUltraFineFDDA{"axisMultUltraFineFDDA", {60000, 0, 60000}, "FDDA amplitude"};
ConfigurableAxis axisMultUltraFineFDDC{"axisMultUltraFineFDDC", {60000, 0, 60000}, "FDDC amplitude"};
ConfigurableAxis axisMultUltraFinePVContributors{"axisMultUltraFinePVContributors", {10000, 0, 10000}, "Number of PV Contributors"};
ConfigurableAxis axisMultUltraFineGlobalTracks{"axisMultUltraFineGlobalTracks", {5000, 0, 5000}, "Number of global tracks"};
ConfigurableAxis axisMultUltraFineMFTTracks{"axisMultUltraFineMFTTracks", {5000, 0, 5000}, "Number of MFT tracks"};
Expand Down Expand Up @@ -146,13 +138,19 @@
histos.add("hFT0A_Collisions", "hFT0A_Collisions", kTH1D, {axisMultUltraFineFT0A});
histos.add("hFT0C_Collisions", "hFT0C_Collisions", kTH1D, {axisMultUltraFineFT0C});
histos.add("hFT0M_Collisions", "hFT0M_Collisions", kTH1D, {axisMultUltraFineFT0M});

histos.add("hFDDA_Collisions", "hFDDA_Collisions", kTH1D, {axisMultUltraFineFDDA});
histos.add("hFDDC_Collisions", "hFDDC_Collisions", kTH1D, {axisMultUltraFineFDDC});

histos.add("hFV0A_Collisions", "hFV0A_Collisions", kTH1D, {axisMultUltraFineFV0A});
histos.add("hNGlobalTracks", "hNGlobalTracks", kTH1D, {axisMultUltraFineGlobalTracks});
histos.add("hNMFTTracks", "hNMFTTracks", kTH1D, {axisMultUltraFineMFTTracks});
histos.add("hNPVContributors", "hNPVContributors", kTH1D, {axisMultUltraFinePVContributors});

histos.add("hFT0AvsPVz_Collisions", "hFT0AvsPVz_Collisions", kTProfile, {axisPVz});
histos.add("hFT0CvsPVz_Collisions", "hFT0CvsPVz_Collisions", kTProfile, {axisPVz});
histos.add("hFDDAvsPVz_Collisions", "hFDDAvsPVz_Collisions", kTProfile, {axisPVz});
histos.add("hFDDCvsPVz_Collisions", "hFDDCvsPVz_Collisions", kTProfile, {axisPVz});
histos.add("hFV0AvsPVz_Collisions", "hFV0AvsPVz_Collisions", kTProfile, {axisPVz});
histos.add("hNGlobalTracksvsPVz_Collisions", "hNGlobalTracksvsPVz_Collisions", kTProfile, {axisPVz});
histos.add("hNMFTTracksvsPVz_Collisions", "hNMFTTracksvsPVz_Collisions", kTProfile, {axisPVz});
Expand All @@ -176,14 +174,14 @@
hVtxZFV0A = static_cast<TProfile*>(hCalibObjects->FindObject("hVtxZFV0A"));
hVtxZFT0A = static_cast<TProfile*>(hCalibObjects->FindObject("hVtxZFT0A"));
hVtxZFT0C = static_cast<TProfile*>(hCalibObjects->FindObject("hVtxZFT0C"));
// hVtxZFDDA = static_cast<TProfile*>(hCalibObjects->FindObject("hVtxZFDDA"));
// hVtxZFDDC = static_cast<TProfile*>(hCalibObjects->FindObject("hVtxZFDDC"));
hVtxZFDDA = static_cast<TProfile*>(hCalibObjects->FindObject("hVtxZFDDA"));
hVtxZFDDC = static_cast<TProfile*>(hCalibObjects->FindObject("hVtxZFDDC"));
hVtxZNTracks = static_cast<TProfile*>(hCalibObjects->FindObject("hVtxZNTracksPV"));
hVtxZNGlobals = static_cast<TProfile*>(hCalibObjects->FindObject("hVtxZNGlobals"));
hVtxZMFT = static_cast<TProfile*>(hCalibObjects->FindObject("hVtxZMFT"));

// Capture error
if (!hVtxZFV0A || !hVtxZFT0A || !hVtxZFT0C || !hVtxZNTracks || !hVtxZNGlobals || !hVtxZMFT) {
if (!hVtxZFV0A || !hVtxZFT0A || !hVtxZFT0C || !hVtxZFDDA || !hVtxZFDDC || !hVtxZNTracks || !hVtxZNGlobals || !hVtxZMFT) {
LOGF(error, "Problem loading CCDB objects! Please check");
}
}
Expand All @@ -203,17 +201,26 @@
getHist(TH1, histPath + "hCollisionSelection")->GetXaxis()->SetBinLabel(10, "kNoSameBunchPileup");
getHist(TH1, histPath + "hCollisionSelection")->GetXaxis()->SetBinLabel(11, "Pass INEL > 0");

histPointers.insert({histPath + "hFT0C_Collisions", histos.add((histPath + "hFT0C_Collisions").c_str(), "hFT0C_Collisions", {kTH1D, {{axisMultUltraFineFT0C}}})});
histPointers.insert({histPath + "hFT0A_Collisions", histos.add((histPath + "hFT0A_Collisions").c_str(), "hFT0A_Collisions", {kTH1D, {{axisMultUltraFineFT0A}}})});
histPointers.insert({histPath + "hFT0C_Collisions", histos.add((histPath + "hFT0C_Collisions").c_str(), "hFT0C_Collisions", {kTH1D, {{axisMultUltraFineFT0C}}})});
histPointers.insert({histPath + "hFT0M_Collisions", histos.add((histPath + "hFT0M_Collisions").c_str(), "hFT0M_Collisions", {kTH1D, {{axisMultUltraFineFT0M}}})});

histPointers.insert({histPath + "hFDDA_Collisions", histos.add((histPath + "hFDDA_Collisions").c_str(), "hFDDA_Collisions", {kTH1D, {{axisMultUltraFineFDDA}}})});
histPointers.insert({histPath + "hFDDC_Collisions", histos.add((histPath + "hFDDC_Collisions").c_str(), "hFDDC_Collisions", {kTH1D, {{axisMultUltraFineFDDC}}})});

histPointers.insert({histPath + "hFV0A_Collisions", histos.add((histPath + "hFV0A_Collisions").c_str(), "hFV0A_Collisions", {kTH1D, {{axisMultUltraFineFV0A}}})});
histPointers.insert({histPath + "hNGlobalTracks", histos.add((histPath + "hNGlobalTracks").c_str(), "hNGlobalTracks", {kTH1D, {{axisMultUltraFineGlobalTracks}}})});
histPointers.insert({histPath + "hNMFTTracks", histos.add((histPath + "hNMFTTracks").c_str(), "hNMFTTracks", {kTH1D, {{axisMultUltraFineMFTTracks}}})});
histPointers.insert({histPath + "hNPVContributors", histos.add((histPath + "hNPVContributors").c_str(), "hNPVContributors", {kTH1D, {{axisMultUltraFinePVContributors}}})});

if (applyVertexZEqualization) {
if (applyVertexZEqualization && saveUnequalized) {
histPointers.insert({histPath + "hFT0A_Collisions_Unequalized", histos.add((histPath + "hFT0A_Collisions_Unequalized").c_str(), "hFT0A_Collisions_Unequalized", {kTH1D, {{axisMultUltraFineFT0A}}})});
histPointers.insert({histPath + "hFT0C_Collisions_Unequalized", histos.add((histPath + "hFT0C_Collisions_Unequalized").c_str(), "hFT0C_Collisions_Unequalized", {kTH1D, {{axisMultUltraFineFT0C}}})});
histPointers.insert({histPath + "hFT0M_Collisions_Unequalized", histos.add((histPath + "hFT0M_Collisions_Unequalized").c_str(), "hFT0M_Collisions_Unequalized", {kTH1D, {{axisMultUltraFineFT0M}}})});

histPointers.insert({histPath + "hFDDA_Collisions_Unequalized", histos.add((histPath + "hFDDA_Collisions_Unequalized").c_str(), "hFDDA_Collisions_Unequalized", {kTH1D, {{axisMultUltraFineFDDA}}})});
histPointers.insert({histPath + "hFDDC_Collisions_Unequalized", histos.add((histPath + "hFDDC_Collisions_Unequalized").c_str(), "hFDDC_Collisions_Unequalized", {kTH1D, {{axisMultUltraFineFDDC}}})});

histPointers.insert({histPath + "hFV0A_Collisions_Unequalized", histos.add((histPath + "hFV0A_Collisions_Unequalized").c_str(), "hFV0A_Collisions_Unequalized", {kTH1D, {{axisMultUltraFineFV0A}}})});
histPointers.insert({histPath + "hNGlobalTracks_Unequalized", histos.add((histPath + "hNGlobalTracks_Unequalized").c_str(), "hNGlobalTracks_Unequalized", {kTH1D, {{axisMultUltraFineGlobalTracks}}})});
histPointers.insert({histPath + "hNMFTTracks_Unequalized", histos.add((histPath + "hNMFTTracks_Unequalized").c_str(), "hNMFTTracks_Unequalized", {kTH1D, {{axisMultUltraFineMFTTracks}}})});
Expand All @@ -222,6 +229,8 @@

histPointers.insert({histPath + "hFT0AvsPVz_Collisions", histos.add((histPath + "hFT0AvsPVz_Collisions").c_str(), "hFT0AvsPVz_Collisions", {kTProfile, {{axisPVz}}})});
histPointers.insert({histPath + "hFT0CvsPVz_Collisions", histos.add((histPath + "hFT0CvsPVz_Collisions").c_str(), "hFT0CvsPVz_Collisions", {kTProfile, {{axisPVz}}})});
histPointers.insert({histPath + "hFDDAvsPVz_Collisions", histos.add((histPath + "hFDDAvsPVz_Collisions").c_str(), "hFDDAvsPVz_Collisions", {kTProfile, {{axisPVz}}})});
histPointers.insert({histPath + "hFDDCvsPVz_Collisions", histos.add((histPath + "hFDDCvsPVz_Collisions").c_str(), "hFDDCvsPVz_Collisions", {kTProfile, {{axisPVz}}})});
histPointers.insert({histPath + "hFV0AvsPVz_Collisions", histos.add((histPath + "hFV0AvsPVz_Collisions").c_str(), "hFV0AvsPVz_Collisions", {kTProfile, {{axisPVz}}})});
histPointers.insert({histPath + "hNGlobalTracksvsPVz_Collisions", histos.add((histPath + "hNGlobalTracksvsPVz_Collisions").c_str(), "hNGlobalTracksvsPVz_Collisions", {kTProfile, {{axisPVz}}})});
histPointers.insert({histPath + "hNMFTTracksvsPVz_Collisions", histos.add((histPath + "hNMFTTracksvsPVz_Collisions").c_str(), "hNMFTTracksvsPVz_Collisions", {kTProfile, {{axisPVz}}})});
Expand All @@ -245,6 +254,8 @@
float multFV0A = collision.multFV0A();
float multFT0A = collision.multFT0A();
float multFT0C = collision.multFT0C();
float multFDDA = collision.multFDDA();
float multFDDC = collision.multFDDC();
float multNTracksGlobal = collision.multNTracksGlobal();
float mftNtracks = collision.mftNtracks();
float multNTracksPV = collision.multNTracksPV();
Expand All @@ -253,6 +264,8 @@
multFV0A = -1.0f;
multFT0A = -1.0f;
multFT0C = -1.0f;
multFDDA = -1.0f;
multFDDC = -1.0f;
multNTracksGlobal = -1.0f;
mftNtracks = -1.0f;
multNTracksPV = -1.0f;
Expand All @@ -266,6 +279,12 @@
if (hVtxZFT0C->Interpolate(collision.multPVz()) > epsilon) {
multFT0C = hVtxZFT0C->Interpolate(0.0) * collision.multFT0C() / hVtxZFT0C->Interpolate(collision.multPVz());
}
if (hVtxZFDDA->Interpolate(collision.multPVz()) > epsilon) {
multFDDA = hVtxZFDDA->Interpolate(0.0) * collision.multFDDA() / hVtxZFDDA->Interpolate(collision.multPVz());
}
if (hVtxZFDDC->Interpolate(collision.multPVz()) > epsilon) {
multFDDC = hVtxZFDDC->Interpolate(0.0) * collision.multFDDC() / hVtxZFDDC->Interpolate(collision.multPVz());
}
if (hVtxZNGlobals->Interpolate(collision.multPVz()) > epsilon) {
multNTracksGlobal = hVtxZNGlobals->Interpolate(0.0) * collision.multNTracksGlobal() / hVtxZNGlobals->Interpolate(collision.multPVz());
}
Expand Down Expand Up @@ -293,13 +312,17 @@
// all runs
histos.fill(HIST("hFT0AvsPVz_Collisions"), collision.multPVz(), collision.multFT0A());
histos.fill(HIST("hFT0CvsPVz_Collisions"), collision.multPVz(), collision.multFT0C());
histos.fill(HIST("hFDDAvsPVz_Collisions"), collision.multPVz(), collision.multFDDA());
histos.fill(HIST("hFDDCvsPVz_Collisions"), collision.multPVz(), collision.multFDDC());
histos.fill(HIST("hFV0AvsPVz_Collisions"), collision.multPVz(), collision.multFV0A());
histos.fill(HIST("hNGlobalTracksvsPVz_Collisions"), collision.multPVz(), collision.multNTracksGlobal());
histos.fill(HIST("hNMFTTracksvsPVz_Collisions"), collision.multPVz(), collision.mftNtracks());

// per run
getHist(TProfile, histPath + "hFT0CvsPVz_Collisions")->Fill(collision.multPVz(), multFT0C);
getHist(TProfile, histPath + "hFT0AvsPVz_Collisions")->Fill(collision.multPVz(), multFT0A);
getHist(TProfile, histPath + "hFDDAvsPVz_Collisions")->Fill(collision.multPVz(), multFDDA);
getHist(TProfile, histPath + "hFDDCvsPVz_Collisions")->Fill(collision.multPVz(), multFDDC);
getHist(TProfile, histPath + "hFV0AvsPVz_Collisions")->Fill(collision.multPVz(), multFV0A);
getHist(TProfile, histPath + "hNGlobalTracksvsPVz_Collisions")->Fill(collision.multPVz(), multNTracksGlobal);
getHist(TProfile, histPath + "hNMFTTracksvsPVz_Collisions")->Fill(collision.multPVz(), mftNtracks);
Expand All @@ -308,7 +331,7 @@

// _______________________________________________________

if (applyVtxZ && TMath::Abs(collision.multPVz()) > 10)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
return;
histos.fill(HIST("hCollisionSelection"), 2);
getHist(TH1, histPath + "hCollisionSelection")->Fill(2);
Expand Down Expand Up @@ -368,6 +391,8 @@
histos.fill(HIST("hFT0A_Collisions"), collision.multFT0A());
histos.fill(HIST("hFT0C_Collisions"), collision.multFT0C());
histos.fill(HIST("hFT0M_Collisions"), (collision.multFT0A() + collision.multFT0C()));
histos.fill(HIST("hFDDA_Collisions"), collision.multFDDA());
histos.fill(HIST("hFDDC_Collisions"), collision.multFDDC());
histos.fill(HIST("hFV0A_Collisions"), collision.multFV0A());
histos.fill(HIST("hNGlobalTracks"), collision.multNTracksGlobal());
histos.fill(HIST("hNMFTTracks"), collision.mftNtracks());
Expand All @@ -381,11 +406,14 @@
getHist(TH1, histPath + "hNGlobalTracks")->Fill(multNTracksGlobal);
getHist(TH1, histPath + "hNMFTTracks")->Fill(mftNtracks);

if (applyVertexZEqualization.value) {
if (applyVertexZEqualization.value && saveUnequalized.value) {
// save unequalized for cross-checks
getHist(TH1, histPath + "hNPVContributors_Unequalized")->Fill(collision.multNTracksPV());
getHist(TH1, histPath + "hFT0A_Collisions_Unequalized")->Fill(collision.multFT0A());
getHist(TH1, histPath + "hFT0C_Collisions_Unequalized")->Fill(collision.multFT0C());
getHist(TH1, histPath + "hFT0M_Collisions_Unequalized")->Fill((collision.multFT0A() + collision.multFT0C()));
getHist(TH1, histPath + "hFDDA_Collisions_Unequalized")->Fill(collision.multFDDA());
getHist(TH1, histPath + "hFDDC_Collisions_Unequalized")->Fill(collision.multFDDC());
getHist(TH1, histPath + "hFV0A_Collisions_Unequalized")->Fill(collision.multFV0A());
getHist(TH1, histPath + "hNGlobalTracks_Unequalized")->Fill(collision.multNTracksGlobal());
getHist(TH1, histPath + "hNMFTTracks_Unequalized")->Fill(collision.mftNtracks());
Expand Down
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