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arXiv 1204.0345nucl-ex
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强相互作用物质中的核透明效应

Nuclear Transparency Effect in the Strongly Interacting Matter

M. Ajaz, M. K. Suleymanov, O. B. Abdinov, Ali Zaman, K. H. Khan, Z. Wazir, Sh. Khalilova

摘要:

讨论了相对论和超相对论能量下核-核碰撞中的核透明效应的研究结果有助于提取强相互作用物质的新相以及QCD临界点的信息。这一结果进一步证实了在NA 49 SPS CERN实验中首次获得的K ~+/π ~+介子多重数平均值之比随初始能量变化的“喇叭”效应的存在。为了观察“角”作为中心性的函数,需要新的更丰富的实验数据。NICA/MPD JINR和CBM GSI设置的预期数据可以满足要求。

英文摘要:

We discuss that the results of study of the nuclear transparency effect in nuclear-nuclear collisions at relativistic and ultrarelativistic energies could help to extract the information on new phases of the strongly interacting matter as well as the QCD critical point. The results could provide further confirmation of the existence of the "horn" effect which had initially been obtained for the ratio of average values of K+ to pi+ -mesons' multiplicity as a function of the initial energies in the NA49 SPS CERN experiment. To observe the "horn" as a function of centrality, the new more enriched experimental data are required. The data which are expected from NICA/MPD JINR and CBM GSI setups could fulfill the requirement.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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