Abstract
Data on charged particle multiplicities and on the production of neutral particles are used to calculate a lower bound on the dispersion of the distribution of the total number of particles in the final state of hadron-hadron collisions. It is shown that this bound is an approximately linear function of 〈 n ch 〉, the mean of the number n ch of charged particles in the final state. It is argued that this rules out the possibility that the production of particles can be described by a single “Poisson-like” mechanism, no matter what isospin conserving hypothesis is used. It is also argued that such models will inevitably fail to reproduce the available data on the mean number of neutrals produced when n ch is known.
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