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[PWGJE] jetChargedV2 task: unify in-/out-of-plane selection for jet pT and background fluctuations - #18183

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nzardosh merged 2 commits into
AliceO2Group:masterfrom
YubiaoWang:master
Oct 6, 2026
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nzardosh merged 2 commits into
AliceO2Group:masterfrom
YubiaoWang:master

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@YubiaoWang

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  1. Jet pT and background fluctuations now use the same event-plane definition: Δφ = φ − Ψ₂(FT0C, corrected Q-vector) in [0, 2π), with the same three-window in-/out-of-plane selection.
  2. The folded 0–π version moved for QC.
  3. Fixed Fluctuation histograms centrality region, and direct h2 in-/out-of-plane histograms are now provided for both the median_rho and the local_rho variants.

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github-actions Bot commented Oct 5, 2026

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O2 linter results: ❌ 0 errors, ⚠️ 0 warnings, 🔕 0 disabled

Comment thread PWGJE/Tasks/jetChargedV2.cxx Outdated
}
}
phi = RecoDecay::constrainAngle(phi, 0.);
return fitFunc->Integral(phi - radius, phi + radius);

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shouldn't phi-radius and phi+radius also be wrapped in 0-2pi as well?

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Hello Nima,
Thanks for comments. This update is keeping the integration limits within [0, 2π) by splitting the interval into two pieces when it crosses 0 or 2π. For the 2π-periodic fit function, the result is unchanged.

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nzardosh commented Oct 6, 2026

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Can you instead not just use recodecay::ConstrainAngle for phi - radius and phi + radius?

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nzardosh self-requested a review October 6, 2026 10:57
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nzardosh enabled auto-merge (squash) October 6, 2026 10:57
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nzardosh merged commit dc6f0e6 into AliceO2Group:master Oct 6, 2026
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