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correlation (Δφ, Δη) analysis in pp collisions at 13 TeV, structured in parallel with the AliRoot AliMESppColTask analysis, to PWGCF/TwoParticleCorrelations. Adds an analysis task (o2-analysis-cf-two-particle-correlations-mult-spher) that fills same-event and mixed-event Δφ-Δη correlation histograms (THnSparse for the full multi-dimensional binning, plus direct TH2D SE/ME pairs for both per-trigger and per-pair normalisation), differential in multiplicity class and transverse sphericity class, at both MC generator level and reconstructed level. Some selection variants are kept togglable via Configurables for methodology cross-checks. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YbYBgosEJaDJTkCuqAtNHk
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Applies clang-format (project style) and converts C-style casts to static_cast, as flagged by the cpplint check in CI. No behavior change: rebuilt and re-ran the single-file smoke test, same histogram counts as before. Also adds the <memory> include cpplint pointed out for shared_ptr<>. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YbYBgosEJaDJTkCuqAtNHk
Framework/*.h headers must use angle brackets (<...>), not quotes, per the O2Physics include-style convention (Scripts/format_includes.awk) enforced by the PR formatting / clang-format CI check. Re-ran clang-format after the change; rebuilt and re-ran the single-file smoke test, same result as before. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YbYBgosEJaDJTkCuqAtNHk
matarzil
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October 1, 2026 17:48
matarzil
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dsarkaralice,
jaelpark,
lauraser,
victor-gonzalez and
wenyaCern
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October 1, 2026 17:48
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Hi @jaelpark @wenyaCern @lauraser @dsarkaralice , this PR adds a new two-particle angular correlation analysis task (Δφ-Δη, differential in multiplicity and transverse sphericity) to PWGCF/TwoParticleCorrelations, and adds the corresponding workflow block to PWGCF/TwoParticleCorrelations/Tasks/CMakeLists.txt, which needs a PWGCF |
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This is the first commit of this task. It adds the two-particle angular correlation (Δφ, Δη) analysis in pp collisions at 13 TeV, structured in parallel with the AliRoot AliMESppColTask analysis, to PWGCF/TwoParticleCorrelations.
Adds an analysis task (o2-analysis-cf-two-particle-correlations-mult-spher) that fills same-event and mixed-event Δφ-Δη correlation histograms (THnSparse for the full multi-dimensional binning, plus direct TH2D SE/ME pairs for both per-trigger and per-pair normalisation), differential in multiplicity class and transverse sphericity class, at both MC generator level and reconstructed level. Some selection variants are kept togglable via Configurables for methodology cross-checks.