Article

Comparison of experimental and theoretical results to define centrality of heavy ion collisions

Fizika: Azerbaijan J. Physics 01/2010; XVI:470-473.

ABSTRACT Using the simulation data coming from the DCM, we have studied the behavior of Number of events as a function of impact parameter b and the number of charged particles Nch for light and heavy nuclei at different energies. We have seen that for light nuclei, the number of charged particles Nch could be used to fix the centrality. But for heavy nuclei we have got strong initial energy and mass dependences therefore the results for impact parameter b and the number of charged particles N_ch differ. So for heavy nuclei, a number of charged particles N_ch could not be use to fix the centrality.

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May 27, 2014