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Add a configurable K0S-K0S analysis task for pp, pO, and OO collisions. The task provides single-track, K0S, and pair-level QA, same-event and mixed-event distributions, like-sign and sideband background estimators, and observables needed for scalar-product and event-plane flow measurements. Add angular distributions and P2- and P4-weighted histograms to support the separation of scalar and tensor contributions.
syano0822
requested review from
alibuild,
dmallick2,
mpuccio,
omvazque,
prottayCMT,
skundu692 and
smaff92
as code owners
October 15, 2026 14:20
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O2 linter results: ❌ 0 errors, |
Collaborator
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@syano0822 Just for your information, for flow analysis on same K0s-K0s pair already there is a task available and others (junlee and sawan) are doing same ( it is not presented in PAG). https://github.com/AliceO2Group/O2Physics/blob/master/PWGLF/Tasks/Resonances/higherMassResonances.cxx. Is this one your requested different than this task or different motivation otherwise you can use this task. |
Contributor
Author
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Does the task contain scalar product function? |
Collaborator
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@syano0822. At a quick look, it seems that the scalar product is not included. I just wanted to inform you that there was a task for similar studies. We can either approve a new task where the scalar product is the only method, if that is more convenient, or modify the existing task by adding the scalar product. I have no problem proceeding with another task using only one method. I just wanted to flag this now to avoid any potential conflict between the analyzers in the future. |
Contributor
Author
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OK. I understand your point. Is it better to close this PR and the modify the existing f0 analysis code? |
Collaborator
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Error while checking build/O2Physics/code-check for 6a58dce at 2026-10-15 20:27: Full log here. |
Collaborator
Collaborator
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@syano0822 Since you are adding a new file, please fix all reported errors and warnings so that the CI reports only new issues in the future PRs. |
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Add a configurable K0S-K0S analysis task for pp, pO, and OO collisions. The task provides single-track, K0S, and pair-level QA, same-event and mixed-event distributions, like-sign and sideband background estimators, and observables needed for scalar-product and event-plane flow measurements.
Add angular distributions and P2- and P4-weighted histograms to support the separation of scalar and tensor contributions.