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[Common] centrality study task update #8271

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Merged
ddobrigk merged 2 commits into from
Nov 3, 2024
Merged

[Common] centrality study task update #8271

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841d0e8
Common: centrality study task update
ddobrigk Nov 1, 2024
01f8491
Please consider the following formatting changes (#351)
alibuild Nov 1, 2024
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35 changes: 28 additions & 7 deletions Common/Tasks/centralityStudy.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -61,11 +61,16 @@ struct centralityStudy {
Configurable<float> minTimeDelta{"minTimeDelta", -1.0f, "reject collision if another collision is this close or less in time"};
Configurable<float> minFT0CforVertexZ{"minFT0CforVertexZ", 250, "minimum FT0C for vertex-Z profile calculation"};

Configurable<bool> sumFT0AC{"sumFT0AC", false, "sum FT0A and FT0C"};
Configurable<float> scaleSignalFT0C{"scaleSignalFT0C", 1.00f, "scale FT0C/A+C signal for convenience"};
Configurable<float> scaleSignalFV0A{"scaleSignalFV0A", 1.00f, "scale FV0A signal for convenience"};

// Configurable Axes
ConfigurableAxis axisMultFT0C{"axisMultFT0C", {2000, 0, 100000}, "FT0C amplitude"};
ConfigurableAxis axisMultPVContributors{"axisMultPVContributors", {200, 0, 6000}, "Number of PV Contributors"};

// For one-dimensional plots, where binning is no issue
ConfigurableAxis axisMultUltraFineFV0A{"axisMultUltraFineFV0A", {60000, 0, 60000}, "FV0A amplitude"};
ConfigurableAxis axisMultUltraFineFT0C{"axisMultUltraFineFT0C", {60000, 0, 60000}, "FT0C amplitude"};
ConfigurableAxis axisMultUltraFinePVContributors{"axisMultUltraFinePVContributors", {10000, 0, 10000}, "Number of PV Contributors"};

Expand Down Expand Up @@ -100,6 +105,7 @@ struct centralityStudy {
histos.get<TH1>(HIST("hCollisionSelection"))->GetXaxis()->SetBinLabel(13, "no ITS in-ROF pileup (strict)");

histos.add("hFT0C_Collisions", "hFT0C_Collisions", kTH1D, {axisMultUltraFineFT0C});
histos.add("hFV0A_Collisions", "hFV0A_Collisions", kTH1D, {axisMultUltraFineFV0A});
histos.add("hNPVContributors", "hNPVContributors", kTH1D, {axisMultUltraFinePVContributors});

histos.add("hFT0CvsPVz_Collisions_All", "hFT0CvsPVz_Collisions_All", kTProfile, {axisPVz});
Expand All @@ -109,6 +115,7 @@ struct centralityStudy {
if (doprocessBCs) {
histos.add("hBCSelection", "hBCSelection", kTH1D, {{20, -0.5, 19.5f}});
histos.add("hFT0C_BCs", "hFT0C_BCs", kTH1D, {axisMultUltraFineFT0C});
histos.add("hFV0A_BCs", "hFV0A_BCs", kTH1D, {axisMultUltraFineFV0A});

histos.add("hFT0CvsPVz_BCs_All", "hFT0CvsPVz_BCs_All", kTProfile, {axisPVz});
histos.add("hFT0CvsPVz_BCs", "hFT0CvsPVz_BCs", kTProfile, {axisPVz});
Expand Down Expand Up @@ -182,6 +189,12 @@ struct centralityStudy {
}
histos.fill(HIST("hCollisionSelection"), 9 /* Not at same bunch pile-up */);

float multFT0_touse = collision.multFT0C();
if (sumFT0AC) {
multFT0_touse += collision.multFT0A();
}
multFT0_touse *= scaleSignalFT0C;

// do this only if information is available
if constexpr (requires { collision.timeToNext(); }) {
float timeToNeighbour = TMath::Min(
Expand Down Expand Up @@ -216,13 +229,14 @@ struct centralityStudy {

// if we got here, we also finally fill the FT0C histogram, please
histos.fill(HIST("hNPVContributors"), collision.multPVTotalContributors());
histos.fill(HIST("hFT0C_Collisions"), collision.multFT0C());
histos.fill(HIST("hFT0CvsPVz_Collisions_All"), collision.multPVz(), collision.multFT0C());
histos.fill(HIST("hFT0C_Collisions"), multFT0_touse);
histos.fill(HIST("hFV0A_Collisions"), collision.multFV0A() * scaleSignalFV0A);
histos.fill(HIST("hFT0CvsPVz_Collisions_All"), collision.multPVz(), multFT0_touse);
if (collision.multFT0C() > minFT0CforVertexZ) {
histos.fill(HIST("hFT0CvsPVz_Collisions"), collision.multPVz(), collision.multFT0C());
histos.fill(HIST("hFT0CvsPVz_Collisions"), collision.multPVz(), multFT0_touse);
}
if (do2DPlots) {
histos.fill(HIST("hFT0CvsNContribs"), collision.multNTracksPV(), collision.multFT0C());
histos.fill(HIST("hFT0CvsNContribs"), collision.multNTracksPV(), multFT0_touse);
histos.fill(HIST("hMatchedVsITSOnly"), collision.multNTracksITSOnly(), collision.multNTracksITSTPC());
}

Expand Down Expand Up @@ -274,12 +288,19 @@ struct centralityStudy {
}
histos.fill(HIST("hBCSelection"), 4); // FV0OrA

float multFT0_touse = multbc.multBCFT0C();
if (sumFT0AC) {
multFT0_touse += multbc.multBCFT0A();
}
multFT0_touse *= scaleSignalFT0C;

// if we got here, we also finally fill the FT0C histogram, please
histos.fill(HIST("hFT0C_BCs"), multbc.multBCFT0C());
histos.fill(HIST("hFT0C_BCs"), multFT0_touse);
histos.fill(HIST("hFV0A_BCs"), multbc.multBCFV0A() * scaleSignalFV0A);
if (multbc.multBCFT0PosZValid()) {
histos.fill(HIST("hFT0CvsPVz_BCs_All"), multbc.multBCFT0PosZ(), multbc.multBCFT0C());
histos.fill(HIST("hFT0CvsPVz_BCs_All"), multbc.multBCFT0PosZ(), multFT0_touse);
if (multbc.multBCFT0C() > minFT0CforVertexZ) {
histos.fill(HIST("hFT0CvsPVz_BCs"), multbc.multBCFT0PosZ(), multbc.multBCFT0C());
histos.fill(HIST("hFT0CvsPVz_BCs"), multbc.multBCFT0PosZ(), multFT0_touse);
}
}

Expand Down