Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-12-20
Phys.Lett. B347 (1995) 439-446
Physics
High Energy Physics
High Energy Physics - Phenomenology
plane LaTeX, 8 pp., 3 postscript figures appended
Scientific paper
10.1016/0370-2693(95)00042-J
Results on dynamical fluctuations of charged particles in the pseudorapidity space of central C--Cu interactions at 4.5 $A$ GeV/$c$ are performed in the transformed variables and using higher order scaled factorial moments modifyied to remove the bias of infinite statistics in the normalization. The intermittency behavior is found up to eighth order of the moments increasing with the order and leading to the pronounced multifractality. Two differed intermittent-like rises are obtained, one indicating an occurrence of the non-thermal phase transition, and no critical behavior is found to be reached in another case. The observations may be treated to show different regimes of particle production during the cascade. Comparison with some conventional model approximations notes the multiparticle character of the fluctuations. The results presented can be effective in sense of sensitivity of intermittency to the hadronization phase.
Gelovani Liana K.
Gogiberidze George L.
Sarkisyan E. K.
Taran G. G.
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