Net charge fluctuations in Au + Au interactions at sqrt[s(NN)]=130 GeV

Phys Rev Lett. 2002 Aug 19;89(8):082301. doi: 10.1103/PhysRevLett.89.082301. Epub 2002 Aug 5.

Abstract

Data from Au + Au interactions at sqrt[s(NN)]=130 GeV, obtained with the PHENIX detector at the Relativistic Heavy-Ion Collider, are used to investigate local net charge fluctuations among particles produced near midrapidity. According to recent suggestions, such fluctuations may carry information from the quark-gluon plasma. This analysis shows that the fluctuations are dominated by a stochastic distribution of particles, but are also sensitive to other effects, like global charge conservation and resonance decays.