System size dependence of particle-ratio fluctuations in Pb+Pb collisions at 158$A$ GeV

T. Anticic, NA49 collaboration

New measurements by the NA49 experiment of the centrality dependence of event-by-event fluctuations of the particle yield ratios (K${}^{+}$+K${}^{-}$)/(${\pi }^{+}+{\pi }^{-}$), (p+$\bar{\text p…