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Dr. Prof.Dr. Asmaa Gaber Ali Shalaby :: Publications: |
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| Title: | Particle production and chemical freezeout from the hybrid UrQMD approach at
NICA energies
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| Authors: | Abdel Nasser Tawfik,Loutfy I. Abou-Salem,Asmaa G. Shalaby and Mahmoud Hanafy,Alexander Sorin,Oleg Rogachevsky,Werner Scheinast |
| Year: | 2016 |
| Keywords: | Thermal models of nuclear reactions, production of quark-gluon plasma, hadron-induced high- energy reactions |
| Journal: | European Physical Journal A |
| Volume: | Not Available |
| Issue: | Not Available |
| Pages: | Not Available |
| Publisher: | Not Available |
| Local/International: | International |
| Paper Link: | Not Available |
| Full paper | Not Available |
| Supplementary materials | Not Available |
| Abstract: |
The energy dependence of various particle ratios is calculated within the Ultra-Relativistic Quan- tum Molecular Dynamics approach and compared with the hadron resonance gas (HRG) model and measurements from various experiments, including RHIC-BES, SPS and AGS. It is found that the UrQMD particle ratios agree well with the experimental results at the RHIC-BES energies. Thus, we have utilized UrQMD in simulating particle ratios at other beam energies down to 3 GeV, which will be accessed at NICA and FAIR future facilities. We observe that the particle ratios for crossover and first-order phase transition, implemented in the hybrid UrQMD v3.4, are nearly indistinguishable, especially at low energies (at large baryon chemical potentials or high density). |
