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LHCb Run 1-2 Performance Working Group

Performance WG encompassing PID, Calo-Objects, Tracking and Alignment (and Trigger) for LHCb Run 1 and 2

Mailing list of the WG: - Mail archive


Michael Alexander, Laurent Dufour & Vitalii Lisovskyi
--> contact them via


The liaisons for each WG are listed here.

Mailing list:



Useful references

Calibration tools

Overview of available tools and outstanding tasks: A&S 2020-02-04.

Tracking efficiency

Momentum scale

Charged PID efficiency

  • PIDCalib: PID efficiencies from real data using calibration samples.
  • PIDGen & PIDCorr: Resample/transform PID variables on MC according to real calibration samples.
  • Electron PID efficiency: PID efficiencies for electrons from calibration samples using fit & count.

Electron/Neutral reconstruction/PID efficiency

Trigger efficiency

Herschel usage & calibration

Performance measurements & plots

Gitlab repos

JIRA boards


  • The tracking & alignment EOS space is at /eos/lhcb/wg/TrackingAlignment/.
  • The PID EOS space is at /eos/lhcb/wg/PID.
  • These should be readable to all lhcb members.
  • To get write access, request to subscribe to lhcb-eos-trackingalignment or lhcb-eos-pid.


Biweekly meetings alternating morning and afternoon on Tuesday at 16:00 and Wednesday at 11:00 (CERN times).

2022 (tentative)

  • Wed 12/01 11:00 CET
  • Tue 25/01 16:00 CET




See also

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Topic revision: r80 - 2021-10-21 - VitaliiLisovskyi
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