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[PWGCF] adding delta phi differential histograms #10937

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Merged
victor-gonzalez merged 1 commit into from
Apr 22, 2025
Merged

[PWGCF] adding delta phi differential histograms #10937

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3 changes: 3 additions & 0 deletions PWGCF/Tasks/correlations.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
#include <TDirectory.h>
#include <THn.h>
#include <TFile.h>
#include <TVector2.h>

#include "Framework/runDataProcessing.h"
#include "Framework/AnalysisTask.h"
Expand Down Expand Up @@ -165,6 +166,7 @@ struct CorrelationTask {
registry.add("invMass", "2-prong invariant mass (GeV/c^2)", {HistType::kTH3F, {axisInvMassHistogram, axisPtTrigger, axisMultiplicity}});
if (doprocessSame2Prong2Prong || doprocessSame2Prong2ProngML) {
registry.add("invMassTwoPart", "2D 2-prong invariant mass (GeV/c^2)", {HistType::kTHnSparseF, {axisInvMassHistogram, axisInvMassHistogram, axisPtTrigger, axisPtAssoc, axisMultiplicity}});
registry.add("invMassTwoPartDPhi", "2D 2-prong invariant mass (GeV/c^2)", {HistType::kTHnSparseF, {axisInvMassHistogram, axisInvMassHistogram, axisPtTrigger, axisPtAssoc, axisDeltaPhi}});
}
}
registry.add("multiplicity", "event multiplicity", {HistType::kTH1F, {{1000, 0, 100, "/multiplicity/centrality"}}});
Expand Down Expand Up @@ -328,6 +330,7 @@ struct CorrelationTask {
if (cfgCorrelationMethod == 2 && track1.decay() == track2.decay())
continue;
registry.fill(HIST("invMassTwoPart"), track1.invMass(), track2.invMass(), track1.pt(), track2.pt(), multiplicity);
registry.fill(HIST("invMassTwoPartDPhi"), track1.invMass(), track2.invMass(), track1.pt(), track2.pt(), TVector2::Phi_0_2pi(track1.phi() - track2.phi() + TMath::Pi() / 2.0) - TMath::Pi() / 2.0);

@victor-gonzalez victor-gonzalez Apr 22, 2025

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Consider using the methods from RecoDecay for future iterations

}
}
}
Expand Down