BES-II Centrality Calibration

• Centrality meeting agenda: https://drupal.star.bnl.gov/STAR/blog/gnigmat/centrality-definition-star
  
• BES-I centrality calibration: https://www.star.bnl.gov/protected/common/common2010/centrality/
  
• Centrality class: https://github.com/star-bnl/star-sw/tree/main/StRoot/StRefMultCorr

• Collider mode
  • Run17 54.4 GeV: WEBPAGE
  • Run19 19.6 GeV: SLIDES
  • Run19 14.6 GeV: SLIDES
  • Run19 200 GeV: SLIDES
• FXT mode
  • Run19 3.2 GeV: SLIDES
  • Run19 3.9 GeV: SLIDES

• COL datasets
• FXT Run19

BES-II COL datasets

Glauber parameters

19.6 GeV (Include 5% uncertainty in total cross section)


14.6 GeV (Include 5% uncertainty in total cross section)



200 GeV (Include 5% uncertainty in total cross section)

BES-II FXT datasets (Run19)

Glauber parameters

3.2 GeV (Include 5% uncertainty in total cross section)


3.9 GeV (Include 5% uncertainty in total cross section)