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Track selection for muons #35

Description

@amartelli

The plot below done on some MC events, BToKmumu
shows the nValidHits for tracks in several cases:

  • all reco tracks
  • reco tracks matched to the genMuon2 (smallest dR provided < 0.02)
  • reco tracks matched to the genMuon1 (smallest dR provided < 0.02)
    All tracks are essentially from PackedCandidates

I don't see correlations on DCASig or NormalizedChi2 (nor nLostHits etc...)

In addition to this, I attach a slide from an old study (different framework and samples) where it's visible the reco-acceptance for muons

From these, I suggest to consider as muon candidates, the packedCandidates tracks with

  • barrel acceptance and pT < 3GeV (to be tuned)
  • nValidHits > 10 (maybe smaller than something?) (to be tuned)

tracks_for_muon

image

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