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Fluctuations of Particle Ratios and the Abundance of Hadronic Resonances
1999
Physical Review Letters
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In this letter we will argue that the event-by-event fluctuations of the ratio of positively over negatively charged pions provides a measurements of the number of rho and omega mesons right after hadronization. This finding can be utilized to put the hypothesis of chemical equilibration in relativistic heavy ion collisions to a test.
doi:10.1103/physrevlett.83.5435
fatcat:ykzhurzh6bh6bai3kiypg72aly