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[PWGEM] Add and update ML-based photon cuts#15076

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ikantak wants to merge 7 commits intoAliceO2Group:masterAliceO2Group/O2Physics:masterfrom
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[PWGEM] Add and update ML-based photon cuts#15076
ikantak wants to merge 7 commits intoAliceO2Group:masterAliceO2Group/O2Physics:masterfrom
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@ikantak ikantak commented Feb 20, 2026

  • Add ML-based photon cuts in the pcmQC and pcmQCMC Task
  • Update ML-based photon cuts in the Pi0EtaToGammaGammaPCM and Pi0EtaToGammaGammaMCPCM task as well as adding two new workflows for using the new optional table v0photonphivpsi when applying ML-based cuts
  • Add in the photonconversionbuilder the calculation of psipair and phiv at a propagated position from the photon conversion due to that the opening angle at the photon conversion point is really small.
  • Save psipair and phiv in the table v0photonphivpsi
  • Update in the photonconversionbuilder that for v0legs the position after transport to point are saved
  • Add getter function for the ML score of a photon in the V0PhotonCut
  • Update initialisation and setter functions of the v0PhotonCandidate
  • Add new histograms for analysis and ML score

… photon conversion and save the values in the v0photonphivpsi table. Add histograms for ML cuts.
…te initialisation and filling of V0PhotonCandidate.
… also be able to use psipair and phiv as parameters for the models.
@github-actions github-actions bot changed the title Add and update ML-based photon cuts [PWGEM] Add and update ML-based photon cuts Feb 20, 2026
@ikantak ikantak marked this pull request as ready for review February 20, 2026 16:55
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Error while checking build/O2Physics/o2 for b3f24b1 at 2026-02-21 00:17:

## sw/BUILD/O2Physics-latest/log
/sw/SOURCES/O2Physics/15076-slc9_x86-64/0/PWGEM/PhotonMeson/Tasks/pcmQC.cxx:486:103: error: unused parameter 'v0legs' [-Werror=unused-parameter]
/sw/SOURCES/O2Physics/15076-slc9_x86-64/0/PWGEM/PhotonMeson/Tasks/pcmQC.cxx:486:103: error: unused parameter 'v0legs' [-Werror=unused-parameter]
ninja: build stopped: subcommand failed.

Full log here.

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