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[PWGCF] Fix Nch efficiency #10631

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Merged
victor-gonzalez merged 4 commits into from
Mar 24, 2025
Merged

[PWGCF] Fix Nch efficiency #10631

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cebc07e
[PWGCF] Fix Nch efficiency
ilikmeta Mar 24, 2025
508d1c2
[PWGCF] Fix Nch values
ilikmeta Mar 24, 2025
1ff5278
Please consider the following formatting changes
alibuild Mar 24, 2025
c327963
Merge pull request #52 from alibuild/alibot-cleanup-10631
ilikmeta Mar 24, 2025
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21 changes: 10 additions & 11 deletions PWGCF/Flow/Tasks/flowGfwTask.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -283,8 +283,8 @@ struct FlowGfwTask {
registry.add("hPhiWeighted", "corrected #phi distribution", {HistType::kTH1D, {axisPhi}});
registry.add("hEta", "", {HistType::kTH1D, {axisEta}});
registry.add("hVtxZ", "Vexter Z distribution", {HistType::kTH1D, {axisVertex}});
registry.add("hMult", "Multiplicity distribution", {HistType::kTH1D, {{3000, 0.5, 3000.5}}});
registry.add("hMultCorr", "Corrected Multiplicity distribution", {HistType::kTH1D, {{3000, 0.5, 3000.5}}});
registry.add("hMult", "Multiplicity distribution", {HistType::kTH1D, {axisNch}});
registry.add("hMultCorr", "Corrected Multiplicity distribution", {HistType::kTH1D, {axisNch}});
registry.add("hCent", "Centrality distribution", {HistType::kTH1D, {{90, 0, 90}}});
registry.add("cent_vs_Nch", ";Centrality (%); M (|#eta| < 0.8);", {HistType::kTH2D, {axisCentrality, axisNch}});
registry.add("cent_vs_NchCorr", ";Centrality (%); M (|#eta| < 0.8);", {HistType::kTH2D, {axisCentrality, axisNch}});
Expand Down Expand Up @@ -820,9 +820,7 @@ struct FlowGfwTask {
if (!collision.sel8())
return;

int nch = tracks.size();

if (nch < 1)
if (tracks.size() < 1)
return;

registry.fill(HIST("hEventCount"), kSEL8);
Expand Down Expand Up @@ -942,20 +940,21 @@ struct FlowGfwTask {
float vtxz = collision.posZ();
float lRandom = fRndm->Rndm();
registry.fill(HIST("hVtxZ"), vtxz);
registry.fill(HIST("hMult"), nch);
registry.fill(HIST("hMult"), tracks.size());
registry.fill(HIST("hCent"), centrality);
registry.fill(HIST("cent_vs_Nch"), centrality, nch);

fGFW->Clear();
registry.fill(HIST("cent_vs_Nch"), centrality, tracks.size());

float weffNch = 1;
if (!setNch(weffNch, nch))
if (!setNch(weffNch, tracks.size()))
return;

nch = nch * weffNch;
// Corrected nch
float nch = tracks.size() * weffNch;
registry.fill(HIST("hMultCorr"), nch);
registry.fill(HIST("cent_vs_NchCorr"), centrality, nch);

fGFW->Clear();

auto bc = collision.bc_as<BCsRun3>();
loadCorrections(bc.timestamp());
registry.fill(HIST("hEventCount"), kCENTRALITY);
Expand Down
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