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Improvements to J/psi + neutrals lines

  • IS_NOT_H>0.2 requirements on photons in line with recommendations in https://indico.cern.ch/event/1517726/contributions/6406274/attachments/3026871/5342702/NeutralPID_bnoc.pdf
  • Extended pi0/eta/chic mass windows
  • CALO digits and clusters in all lines
  • Correct pv_tracks/tagging_particles persistency in all lines
  • B-cone isolation in all lines
  • Require detached j/psi also in j/psiK*+ and chicK lines (not j/psipi0 or j/psieta)
  • Looser selections in j/psietapi line including no deltaM cut
  • photon pT:
    • pi0: tighten 200->250MeV
    • eta: loosen 500->250MeV
  • Move jpsietapi line spruce->turbo
  • Using ParticleAdderAssignVtx for j/psi+neutral combinations with no vertex so that DTF will work

Total rate of all B2CC lines -52 Hz

Total B2CC turbo bandwidth +11MB/s

Sprucing bandwidth change not measured but can only decrease

rate (before) rate (after) difference difference (%)
Hlt2B2CC_BToJpsiPi0GG 0 90.2784 90.2784 inf
Hlt2B2CC_BuToChicKPlus 232.145 77.3815 -154.763 -66.6667
Hlt2B2CC_BuToJpsiKstPlus 64.4846 64.4846 0 0
Hlt2B2CC_BToJpsiEtaGG 0 51.5877 51.5877 inf
Hlt2B2CC_BuToJpsiEtaPiplus_Detached nan 0 nan nan
Edited by Fionn Caitlin Ros Bishop

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