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Published June 18, 1998 | public
Journal Article

Local multiplicity fluctuations in hadronic Z decay


Local multiplicity fluctuations in hadronic Z decays are studied using the L3 detector at LEP. Bunching parameters are used for the first time in addition to the normalised factorial moment method. The bunching parameters directly demonstrate that the fluctuations in rapidity are multifractal. Monte Carlo models show agreement with the data, reproducing the trend, although not always the magnitude, of the factorial moments and bunching parameters.

Additional Information

© 1998 Elsevier Science B.V. Received 18 December 1997. Editor: K. Winter We wish to express our gratitude to the CERN accelerator divisions for the excellent performance of the LEP machine. We acknowledge the effort of all engineers and technicians who have participated in the construction and maintenance of this experiment. We thank V. I. Kuvshinov, J.-L. Meunier and R. Peschanski for useful discussions and comments.

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