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I am studying jet performance, particularly for the Higgs to diphoton analyses.

  * Which jet reconstruction algorithm (AntiKt4EMTopo/PFlow) is best suited for our samples?
  * In whcih situations do the jet energy scale and resolution performance suffer? Can they be improved?

The work-in-progress code is called HGamJetStudy, a RootCore package for two studies:

  - ''MCJES'' : Monte-Carlo based jet energy scale & resolution for general samples.
  - ''JetDiphotonScale'' : (new) Look at "response" of jet to diphoton in Higgs samples.

The outputs are used to give us results (pretty plots):

  - ''MCJES -> plotJES'': JES results
  - ''MCJES -> plotJER'': JER results
  - ''JetDiphotonScale -> ???'': (to be done)

Full code and instructions are hosted on GitLab: https://gitlab.cern.ch/tapark/HGamJetStudy

My working direcctory is setup on CERN AFS:
<code>
/afs/cern.ch/work/t/tapark/public/AnalysisBase-2.4.28
</code>
(to be moved to EOS in the future) \\

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