PWG1
Global observables
TOPICS OF INTEREST:
- Rapiidity distribution of charged particles
- Total event multiplicity
- Total event energy
— event transverse energy
— event mean transverse pT
— charged particles density at midrapiidty
Centrality determination and different estimators
— spectator nucleons (N_s) and number of nucleon-participants (N_{part})
— multiplicity classes: pros and cons
— different estimators and impact parameter b
----event-by-event spectator measurement
• Total cross-section measurement
• Event primary vertex determination
• Event plane measurement at all rapidities