Analysing $j/Ψ$ Production in Various RHIC Interactions with a Version of Sequential Chain Model (SCM)

Details Analysing $j/Ψ$ Production in Various RHIC Interactions with a Version of Sequential Chain Model (SCM) Analysing $j/Ψ$ Production in Various RHIC Interactions with a Version of Sequential Chain Model (SCM)

2009-06-15

arxiv.org/abs/0906.2612v1

Hadronic Journal 32 (2009) 95.

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 Pages, 14 Figures

Scientific paper

We have attempted to develop here tentatively a model for $J/\Psi$ production in p+p, d+Au, Cu + Cu and Au + Au collisions at RHIC energies on the basic ansatz that the results of nucleus-nucleus collisions could be arrived at from the nucleon-nucleon (p + p)-interactions with induction of some additional specific features of high energy nuclear collisions. Based on the proposed new and somewhat unfamiliar model, we have tried (i) to capture the properties of invariant $p_T$ -spectra for $J/\Psi$ meson production; (ii) to study the nature of centrality dependence of the $p_T$ -spectra; (iii) to understand the rapidity distributions; (iv) to obtain the characteristics of the average transverse momentum $< p_T >$ and the values of $< p_T^2 >$ as well and (v) to trace the nature of nuclear modification factor. The alternative approach adopted here describes the data-sets on the above-mentioned various observables in a fairly satisfactory manner. And, finally, the nature of $J/\Psi$-production at Large Hadron Collider(LHC)-energies deduced on the basis of our chosen model has been presented in a predictive way against the RHIC-yields, both calculated for the most central collisions and on the same model.

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