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Update jet analysis sequence

Tadej Novak requested to merge tadej/athena:analysis/jets into 21.2

Jet analysis sequence updates:

  • Add JetGhostMuonAssociationAlg - needed for MET. Probably not the best place, but fits better in this package and sequence than in MET. SUSYTools also runs this on base Jets.
  • Do not run jet cleaning - now recommended to run event-based selection after OR (will open a separate MR for this, but needs discussion).
  • Update systematics support - separate jet smearing no longer needed, all done while applying uncertainties (keeping the algorithm for now)
  • The default MET prefers tight forward JVT.
  • Do not apply JVT selection by default (just decorate). More improvements on this coming in a follow-up MR.

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