| NUCLEAR PHYSICS |
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Factorial Correlators and Oscillatory Multiplicity Moments at the CERN SPS Energy for Ring-Like and Jet-Like Events |
| Prabir Kumar Haldar**, Sanjib Kumar Manna
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| Dinhata College, Department of Physics, Dinhata, Coochbehar, West Bengal, India |
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| Cite this article: |
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Prabir Kumar Haldar, Sanjib Kumar Manna 2011 Chin. Phys. Lett. 28 012502 |
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Abstract We present an analysis of ring-like and jet-like events in terms of factorial correlations and oscillatory multiplicity moments of 32S–Ag/Br interactions at 200 A GeV. The investigation reveals that the correlated moments increase with decrease in bin−bin separation D, following the power law, which suggests the presence of an intermittent nature of self−similar dynamical fluctuations pattern for ring-like and jet-like events. The analysis further shows that the strength of the non-statistical fluctuations is larger for jet-like events than those of ring-like events and total events. However, ring-like and jet-like events are not to be consistent with the total events of the α model of intermittency. To go beyond the lower order correlation, the oscillatory multiplicity moments are used to study the higher order correlation. The ratios Hq (cumulant over factorial moments, Kq/Fq) are determined for ring-like, jet-like and the total events. The presence of few-particle short range correlation is established. It is extremely interesting to observe that the oscillations of ring-like events are different from the jet-like events and the total events. However, in almost all the cases, the simulated interactions fail to replicate the experimental results.
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| Keywords:
25.75.-q
25.70.Mn
24.60.Ky
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Received: 06 August 2010
Published: 23 December 2010
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| PACS: |
25.75.-q
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(Relativistic heavy-ion collisions (collisions induced by light ions studied to calibrate relativistic heavy-ion collisions should be classified under both 25.75.-q and sections 13 or 25 appropriate to the light ions))
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25.70.Mn
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(Projectile and target fragmentation)
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24.60.Ky
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(Fluctuation phenomena)
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