Bulletin of the American Physical Society
Fall 2022 Meeting of the APS Eastern Great Lake Section and the Michigan Section of AAPT: Pushing Boundaries in Physics and Education
Volume 67, Number 16
Friday–Saturday, October 21–22, 2022; Lawrence Technological University, Southfield, Michigan
Session J03: Nuclear, Particle, and AMO Physics
8:15 AM–9:30 AM,
Saturday, October 22, 2022
Lawrence Technological University
Room: S204
Chair: Jay Mathews, Univ of Dayton
Abstract: J03.00003 : Balance Functions of charged hadron pairs (π,K,p)×(π,K,p) in Au+Au collisions at √sNN = 200 GeV.
8:45 AM–9:00 AM
Presenter:
Nandita Raha
(Wayne State University)
Author:
Nandita Raha
(Wayne State University)
- A “Balance function” is formed from multiplicity–weighted two–particle correlation functions. It indicates, as a conditional probability of a species pair, the kinematic distribution of balancing electrical charges. The integrals of these distributions represent the relative probabilities that each species pair was locally produced together in a charge-conserving process during the collision. We have formed the balance functions of the full 3×3 matrix of (π, K, p)x(π,K, p) species for several event generators from various models of the 200 GeV/nucleon Au+Au collision for the STAR experiment at RHIC. The integrals are obtained both by direct integration of the balance functions and from a simpler calculation using the multiplicity distribution of event ensembles, assuming the events to be boost invariant. The approach and results of the model prediction will be presented here.
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