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[PWGHF] candidateCreator3Prong: refine logic of KF reconstruction - #18538

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[PWGHF] candidateCreator3Prong: refine logic of KF reconstruction#18538
lubynets wants to merge 9 commits into
AliceO2Group:masterfrom
lubynets:3prong-kf-refactor

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@lubynets

@lubynets lubynets commented Oct 31, 2026

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  1. Currently the KF mother objects are created for all decays with 3-prong topology: $\rm{pK}\pi$, $\pi\rm{K}\pi$ and $\pi\rm{KK}$. This PR proposes conditional creation of them, only if particular decay is requested via configurables.
  2. Fixed logic of invariant mass constraint application: it makes sense only when a single mother particle species is requested. This PR introduces a check for it.
  3. Provided a guard against KF reconstruction of charm nuclei, since it is not implemented (yet).
  4. Minor fixes: move hardcoded KF reconstruction mode to configurables, add consts, etc.

@github-actions github-actions Bot added the pwghf PWG-HF label Oct 31, 2026
@github-actions github-actions Bot changed the title candidateCreator3Prong: refine logic of KF reconstruction [PWGHF] candidateCreator3Prong: refine logic of KF reconstruction Oct 31, 2026
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github-actions Bot commented Oct 31, 2026

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O2 linter results: ❌ 0 errors, ⚠️ 0 warnings, 🔕 8 disabled

@lubynets

lubynets commented Nov 6, 2026

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Dear codeowners, could you please review the PR?

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