Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-03-06
Phys.Lett. B430 (1998) 368-374
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages, LaTeX, 2 eps figs
Scientific paper
10.1016/S0370-2693(98)00526-7
An analysis of local fluctuations, or spikes, is performed for charged particles produced in central C-Cu collisions at 4.5 GeV/$c$/nucleon. The distributions of spike-centers and the maximum density distributions are investigated for different narrow pseudorapidity windows to search for multiparticle dynamical correlations. Two peaks over statistical background are observed in the spike-center distributions with the structure similar to that expected from the coherent gluon radiation model and recently found in hadronic interactions. The dynamical contribution to maximum density fluctuations are obtained to be hidden by statistical correlations, though behavior of the distributions shows qualitative agreement with that from the one-dimensional intermittency model. The observed features of the two different approaches, coherent vs. stochastic, to the formation of the local dynamical fluctuations are discussed.
Gelovani Liana K.
Gogiberidze George L.
Sarkisyan E. K.
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