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Prof. Loutfy Ibraheem sayed Abou-Salem :: Publications:

On dynamical net-charge fluctuations within a hadron resonance gas approach
Authors: Abdel Nasser Tawfik, L. I Abou-Salem, Asmaa G Shalaby, M Hanafy
Year: 2016
Keywords: Not Available
Journal: Advances in High Energy Physics
Volume: 2016
Issue: Not Available
Pages: Not Available
Publisher: Not Available
Local/International: International
Paper Link:
Full paper Not Available
Supplementary materials Not Available

The dynamical net-charge fluctuations () in different particle ratios , , and are calculated from the hadron resonance gas (HRG) model and compared with STAR central Au+Au collisions at  GeV and NA49 central Pb+Pb collisions at  GeV. The three charged particle ratios (, and ) are determined as total and average of opposite and average of the same charges. We find an excellent agreement between the HRG calculations and the experimental measurements, especially from STAR beam energy scan (BES) program, while the strange particles in the NA49 experiment at lower Super Proton Synchrotron (SPS) energies are not reproduced by the HRG approach. We conclude that the utilized HRG version seems to take into consideration various types of correlations including strong interactions through the heavy resonances and their decays especially at BES energies.

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