Abstract
An investigation on the presence of ring and jet-like structures is carried out in the angular emission of target-evaporated slow particles emitted in 16O–Ag/Br interactions at 60AGeV/c and 32S–Ag/Br interactions at 200AGeV/c. The nuclear emulsion technique was employed to collect the experimental data. We compared our experimental results with those obtained from Monte Carlo simulations. The analysis indicates the presence of ring and jet-like structures in the experimental data beyond the statistical noise. The presence of ring-like structure is fairly pronounced in 16O–Ag/Br interactions compared to 32S–Ag/Br interactions and jet-like structure is more distinct in 32S. One dimensional (1d) intermittency for ring-like structures and two dimensional (2d) intermittency for jet-like structures are expected. The self-affine behavior of 2d scaled factorial moments (SFM) were investigated and the strength of 2d intermittency was determined. For each set of data, the 2d results were compared with the corresponding one-dimensional (1d) intermittency results. The strength in 2d is significantly greater than 1d for 32S–Ag/Br interactions whereas for 16O–Ag/Br interactions 1d is greater than 2d.This is also a sign of predominance of jets in 32S–Ag/Br and the rings in 16O–Ag/Br interactions.
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