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[PWGEM/PhotonMeson] Add workaround for kTVXinEMC issues in data to BC wise GG task #11899

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Merged
mhemmer-cern merged 1 commit into from
Jul 3, 2025
Merged

[PWGEM/PhotonMeson] Add workaround for kTVXinEMC issues in data to BC wise GG task #11899

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5 changes: 4 additions & 1 deletion PWGEM/PhotonMeson/Tasks/emcalBcWiseGammaGamma.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,8 @@
struct EmcalBcWiseGammaGamma {
HistogramRegistry mHistManager{"EmcalGammaGammaBcWiseHistograms"};

Configurable<bool> cfgRequirekTVXinEMC{"cfgRequirekTVXinEMC", true, "Reconstruct mesonss only in kTVXinEMC triggered BCs"};
Configurable<bool> cfgRequirekTVXinEMC{"cfgRequirekTVXinEMC", true, "Reconstruct mesons only in kTVXinEMC triggered BCs"};
Configurable<bool> cfgRequireEMCCell{"cfgRequireEMCCell", true, "Reconstruct mesons only in BCs containing at least one EMCal cell (workaround for kTVXinEMC trigger)"};
Configurable<int> cfgSelectOnlyUniqueAmbiguous{"cfgSelectOnlyUniqueAmbiguous", 0, "0: all clusters, 1: only unique clusters, 2: only ambiguous clusters"};

Configurable<int> cfgClusterDefinition{"cfgClusterDefinition", 13, "Clusterizer to be selected, e.g. 13 for kV3MostSplitLowSeed"};
Expand Down Expand Up @@ -144,7 +145,7 @@
float mu = bc.mu();
mHistManager.fill(HIST("Event/Mu"), mu);
mHistManager.fill(HIST("Event/TimeSinceSOF"), bc.timeSinceSOF() / 60.);
double p = mu > 0.001 ? mu / (1 - std::exp(-mu)) : 1.; // No pile-up for small mu (protection against division by zero)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
mHistManager.fill(HIST("Event/nCollisions"), 0, bc.centrality(), p);
if (bc.hasFT0()) {
mHistManager.fill(HIST("Event/nBCs"), 1, bc.centrality());
Expand All @@ -171,7 +172,7 @@
mHistManager.fill(HIST("Event/CentralityVsAmplitude"), bc.centrality(), bc.ft0Amplitude());

mHistManager.fill(HIST("Event/nCollPerBC"), collisions.size(), bc.centrality());
if (collisions.size() == 2) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
mHistManager.fill(HIST("Event/Z1VsZ2"), collisions.iteratorAt(0).zVtx(), collisions.iteratorAt(1).zVtx());
mHistManager.fill(HIST("Event/dZ"), collisions.iteratorAt(0).zVtx() - collisions.iteratorAt(1).zVtx());
}
Expand Down Expand Up @@ -204,7 +205,7 @@

mHistManager.fill(HIST("GG/invMassVsPt"), v12.M(), v12.Pt(), bc.centrality());

if (clusters.size() < 3)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;

if (bc.globalIndex() % cfgBGEventDownsampling != 0)
Expand All @@ -214,7 +215,7 @@

ROOT::Math::AxisAngle rotationAxis(v12.Vect(), constants::math::PIHalf);
ROOT::Math::Rotation3D rotationMatrix(rotationAxis);
for (ROOT::Math::PtEtaPhiMVector vi : {v1, v2}) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.

vi = rotationMatrix * vi;

Expand Down Expand Up @@ -289,9 +290,11 @@
{
if (cfgRequirekTVXinEMC && !bc.haskTVXinEMC())
return false;
if (cfgRequireEMCCell && !bc.hasEMCCell())
return false;
if (cfgSelectOnlyUniqueAmbiguous == 1 && collisions.size() != 1)
return false;
if (cfgSelectOnlyUniqueAmbiguous == 2 && collisions.size() == 1)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
return false;
if (cfgMinTimeSinceSOF > bc.timeSinceSOF() / 60 || cfgMaxTimeSinceSOF < bc.timeSinceSOF() / 60)
return false;
Expand Down
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