Volume 142, Number 1, April 2023
|Number of page(s)
|Nuclear and plasma physics, particles and fields
|05 April 2023
An outlook to centrality dependence of event-by-event fluctuations of maximum pseudo-rapidity gap
1 Department of Physics, New Alipore College - L Block, New Alipore, Kolkata 700053, India
2 Institute of Space Science - Bucharest, Romania
(a) E-mail: email@example.com (corresponding author)
Received: 16 November 2022
Accepted: 23 March 2023
A detailed study of centrality dependence of event-by-event fluctuations of maximum pseudo-rapidity gap of the produced particles has been carried out in terms of the scaled variance ω for 22Ne-emulsion interactions at 4.1 AGeV/c and 28Si-emulsion interactions at 4.5 AGeV/c. Depending on the values of the total charges or sum of the charges of non interacting projectile fragments, event samples were classified into three different centrality classes. Presence of centrality dependence of event-by-event fluctuations of maximum pseudo-rapidity gap is reflected in the multiparticle production process from this analysis. The event-by-event fluctuations are found to increase with decreasing centrality of collisions. Experimental analysis has been compared with the results obtained from the analysis of Monte Carlo simulated (MC-RAND) events in order to extract dynamical fluctuations. The difference between the experimental and simulated values of event-by-event fluctuations establishes the existence of true dynamical correlation among the produced particles.
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