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[PWGDQ] add rematching task#16678

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aferrero2707 wants to merge 12 commits into
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AliceMCH:PWGDQ-add-rematching-task
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[PWGDQ] add rematching task#16678
aferrero2707 wants to merge 12 commits into
AliceO2Group:masterfrom
AliceMCH:PWGDQ-add-rematching-task

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@aferrero2707

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Add task to perform the following steps:

  • refit the MCH tracks with a custom alignment (optional)
  • apply alignment corrections to the MFT tracks (optional, no track refitting applied)
  • run a user-selected matching algorithm, based on chi2 or ML models
  • output the refitted and rematched tracks as FwdTracksReAlignand FwdTrksCovReAlign tables

mcoquet642 and others added 11 commits June 5, 2026 17:48
By default the matching is done using the candidates stored at production
time.
The selections should be applied downstream in the user code instead.
The extra information from GlobalFwdTrack is not needed for the track
extrapolations in the matching routines
The muon tracks are refitted according to a custom aligment geometry
and the new track parameters are used in the matching with the MFT.
Also fixed the assignent of TrackParCovFwd objects to TrackParExt ones.
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github-actions Bot commented Jun 15, 2026

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O2 linter results: ❌ 12 errors, ⚠️ 25 warnings, 🔕 5 disabled

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