Measurement of the Centrality Dependence of Charge Particle Pseudorapidity Density with the PHOBOS Detector

April 29, 2001

APS Meeting: Washington, DC

Page 5

Determining Centrality

Npart

• HIJING + GEANT

• Glauber Calculation

• Model of Paddle Response

Paddle signal (a.u.)

Counts

Counts