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20 April 2024

» arxiv » 2004.7040

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Influence of centrality definition and detector efficiency on the net-proton kurtosis
Sukanya Sombun ; Jan Steinheimer ; Christoph Herold ; Ayut Limphirat ; Yupeng Yan ; Marcus Bleicher ;
Date:	14 Apr 2020
Abstract:	We study the influence of the centrality definition and detector efficiency on the net-proton kurtosis for minimum bias Au+Au collisions at a beam energy of $sqrt{s_{mathrm{NN}}}= 7.7$ GeV by using the UrQMD model. We find that different ways of defining the centrality lead to different cumulant ratios. Moreover, we demonstrate that the kurtosis is suppressed for central collisions when a wider transverse momentum acceptance is used. Finally, the influence of a detector efficiency on the measured cumulant ratios is estimated.
Source:	arXiv, 2004.7040
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