Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-12-10
Chin.Phys.Lett. 16 (1999) 553-554
Physics
High Energy Physics
High Energy Physics - Phenomenology
7 pages 4 PS figures Record-No: HZPP-9809
Scientific paper
A method for extracting the Levy stability index $\mu$ from the multi-fractal spectrum $f(\alpha)$ in high energy multiparticle production is proposed. This index is an important parameter, characterizing the non-linear behaviour of dynamical fluctuations in high energy collisions. Using the random cascading $\alpha$ model as example, the validity of this method is tested. It is shown that this method, basing on a linear fit, is consistent with and more accurate than the usual method of fitting the ratio of $q$th to 2nd order multi-fractal (R\'enyi) dimensions to the Peschanski formula.
Lianshou Liu
Meiling Yu
Yuan Hu
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