Abstract
The results reported in this manuscript are an attempt to look for the occurrence of erratic multiplicity fluctuations in pseudorapidity space of the secondary particles produced in <sup>16</sup>O-nucleus interactions at an incident momentum of 3.7A GeV/c and to compare our results with the finding of other researches on dynamical fluctuations at various projectile energies. The analysis heavily relies on the method of normalized factorial moments and the binning of the phase space. In this analysis we have obtained results on the normalized factorial moments and other physical parameters derived from them. Results obtained for the experimental data are compared with the results for FRITIOF simulated events. The results on F<sub>2</sub>-distribution, C<sub>pq</sub>-moments and on Σ<sub>q</sub> obtained in the present study hints towards the existence of chaoticity in the multiparticle production in high energy nucleus-nucleus collisions. Occurrence of such non-statistical fluctuations further suggests the presence of correlated particle production in relativistic nuclear collisions.
Highlights
One of the main goals of the nuclear collisions at high energy is to produce and study the behaviour of the hot and dense nuclear matter
Various experiments in the past at worldwide and some current experiments such has STAR, PHOBOS and ALICE at the RHICH and LHC have produced a vast amount of data that rveal the production of quark-gluon plasma (QGP) which subsequently make transition to normal hadronic phase [1,2,3,4,5,6,7]
Since fluctuations observables are intrinsically related to particle correlations, the study of fluctuations could provide helpful insights on the mechanism of multiparticle production in relativistic nuclear collisions [1,2,3]
Summary
One of the main goals of the nuclear collisions at high energy is to produce and study the behaviour of the hot and dense nuclear matter. In the present study the erratic fluctuaion analysis has been performed using the power-law behaviour of the moments of the event factorial moment (Fq-moment) distribution, for example, the normalized moment Cp, q which exhibits a power-law behaviour with the decreasing pseudorapiidty bin. It may be stressed that these studies are still not conclusive as it is not clear whether these fluctuations have some dynamical origin or are purely statistical It was, considered worthwhile to examine erraticity behaviour in Mohammed Mohisin Khan et al.: Erratic Multiplicity Fluctuation in Heavy-Ion Collisions at High Energy relativistic AA collisions by examining experimental and simulated data on 16O-nucleus interactions at 3.7A GeV/c incident momentum
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