Methods for the study of particle production fluctuations

By C. Pruneau, S. Gavin, S. Voloshin. 2002

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We discuss various measures of net charge (conserved quantities) fluctuations proposed for the identification of critical phenomena in heavy ion collisions. We show the dynamical component of fluctuations of the net charge can be expressed simply in terms of integrals of two- and singleparticle densities. We discuss the dependence of the fluctuation observables on detector acceptance, detection efficiency and colliding system size and collisioncentrality. Finally, we present a toy model of particle production including charge conservation and resonance production to gauge the effects of such resonances and finite acceptance on the net charge fluctuations.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/6c45941d39aad87401ffaca48b78c925de314477