Run 18 Calibrations

Isobar Calibrations

• Calibration QA (Zaochen Ye's blog)
  • VPD calibration
  • BTOF-TPC alignment: Zlocal, Ylocal
  • BTOF cell-by-cell calibration

27 GeV Calibrations

First Half ( days - 141)

• VPD Calibration QA
• BTOF alignment 
  • xqa
  • yqa
• BTOF T0
  • SummaryQA

Second Half (days 142-168)

• VPD calibration QA
• BTOF alignment
  • yqa
  • xqa
• BTOF T0
  • SummaryQA
• Comments:
  • BTOF slewing and Local-Z re-used from past full calibration (Run16)
  • calalgo=1 (startless mode, VPD is not used for the BTOF start time)

Fixed Target Calibrations 

• sqrt(sNN)=3.85GeV and 26.5GeV
• 3.85 GeV
• 26.5 GeV
• 27 GeV