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[PWGCF] FemtoUniverse: Add gamma pair rejection in track-track tasks#15782

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prchakra merged 4 commits intoAliceO2Group:masterfrom
alicja-pp:femtouniverse_rejectgamma
Apr 15, 2026
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[PWGCF] FemtoUniverse: Add gamma pair rejection in track-track tasks#15782
prchakra merged 4 commits intoAliceO2Group:masterfrom
alicja-pp:femtouniverse_rejectgamma

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@alicja-pp alicja-pp commented Apr 15, 2026 •
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PWGCF/FemtoUniverse/Core/FemtoUniverseDetaDphiStar.h:

  • add function for isGammaPair .

PWGCF/FemtoUniverse/Tasks/femtoUniversePairTaskTrackTrackMultKtExtended.cxx and PWGCF/FemtoUniverse/Tasks/femtoUniversePairTaskTrackTrackSpherHarMultKtExtended.cxx:

  • add rejection of e-e+ pairs based on pair invariant mass and DeltaTheta. There are three new configurables: confRejectGammaPair to turn the rejection on, confMaxEEMinv to set the maximum invariant mass and confMaxDTheta to set the maximum difference in theta.

PWGCF/FemtoUniverse/Tasks/femtoUniversePairTaskTrackTrackMultKtExtended.cxx

  • start using confNEventsMix in the mixing.

@github-actions github-actions bot added the pwgcf label Apr 15, 2026
@github-actions github-actions bot changed the title FemtoUniverse: Add gamma pair rejection in track-track tasks [PWGCF] FemtoUniverse: Add gamma pair rejection in track-track tasks Apr 15, 2026
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github-actions bot commented Apr 15, 2026 •
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O2 linter results: ❌ 48 errors, ⚠️ 38 warnings, 🔕 0 disabled

@alibuild alibuild mentioned this pull request Apr 15, 2026
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@alicja-pp alicja-pp force-pushed the femtouniverse_rejectgamma branch from d3d283f to d8b6827 Compare April 15, 2026 10:06
@alicja-pp alicja-pp force-pushed the femtouniverse_rejectgamma branch from f192329 to 464cb1f Compare April 15, 2026 15:30
@prchakra prchakra merged commit 5297bc9 into AliceO2Group:master Apr 15, 2026
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@alicja-pp alicja-pp deleted the femtouniverse_rejectgamma branch April 15, 2026 17:06
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@prchakra prchakra prchakra approved these changes

@alibuild alibuild Awaiting requested review from alibuild alibuild is a code owner

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