Abstract

We report measurements for the balance function, pt fluctuations and net charge fluctuations from Au+Au collisions at , 130 and 200 GeV as well as p+p and d+Au collisions at GeV using STAR at RHIC. For Au+Au collisions at 200 GeV, we observe a narrowing of the balance function in central collisions. We observe dynamic pt fluctuations at all incident energies. Observables related to pt fluctuations and net charge fluctuations are similar for peripheral Au+Au collisions and inclusive p+p collisions while central Au+Au collisions deviate significantly from HIJING predictions.

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