Fractal dimensions from a three-dimensional intermittency analysis in e+e- annihilation

H. J. Behrend*, L. Criege, J. H. Field, G. Franke, H. Jung, J. Meyer, O. Podobrin, V. Schröder, G. G. Winter, P. J. Bussey, A. J. Campbell, D. Hendry, S. J. Lumsdon, I. O. Skillicorn, J. Ahme, V. Blobel, M. Feindt, H. Fenner, J. Harjes, J. H. KöhneJ. H. Peters, H. Spitzer, T. Weihrich, W. D. Apel, J. Engler, G. Flügge, D. C. Fries, J. Fuster, K. Gamerdinger, P. Grosse-Wiesmann, H. Küster, H. Müller, K. H. Ranitzsch, H. Schneider, W. de Boer, G. Buschhorn, G. Grindhammer, B. Gunderson, C. Kiesling, R. Kotthaus, H. Kroha, D. Lüers, H. Oberlack, P. Schacht, S. Scholz, W. Wiedenmann, M. Davier, J. F. Grivaz, J. Haissinski, V. Journé, F. Le Diberder, J. J. Veillet, K. Blohm, R. George, M. Goldberg, O. Hamon, F. Kapusta, L. Poggioli, M. Rivoal, G. d'Agostini, F. Ferrarotto, M. Iacovacci, G. Shooshtari, B. Stella, G. Cozzika, Y. Ducros, G. Alexander, A. Beck, G. Bella, J. Grunhaus, A. Klatchko, A. Levy, C. Milsténe

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


The intermittency structure of multihadronic e+e- annihilation is analyzed by evaluating the factorial moments F2-F5 in three-dimensional Lorentz invariant phase space as a function of the resolution scale. We interpret our data in the language of fractal objects. It turns out that the fractal dimension depends on the resolution scale in a way that can be attributed to geometrical resolution effects and dynamical effects, such as the π0 Dalitz decay. The LUND 7.2 hadronization model provides an excellent description of the data. There is no indication of unexplained multiplicity fluctuations in small phase space regions.

Original languageEnglish
Pages (from-to)97-104
Number of pages8
JournalPhysics Letters B
Issue number1
StatePublished - 28 Feb 1991


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