Abstract

With a simple relation between the parameter k of the negative binomial distribution and the factorial moments 〈 F i 〉 we reanalyse published data from e +e − reactions at √ s=29 GeV on multiplicity distributions in rapidity bins to show that there is a significant rise of the 〈 F i 〉 with decreasing bin size δy along the thrust axis. The rise for δy<1 can be regarded as a signal for intermittency. For further discussion we compare the data with the Lund shower Monte Carlo. We suggest a direct measurement of factorial moments in e +e − jets.

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