Fluctuations of particle ratios and the abundance of hadronic resonances
classification
⚛️ nucl-th
keywords
fluctuationsabundancearguechargedchemicalcollisionsequilibrationevent-by-event
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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.
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