通过超核和重子奇异关联寻找解除禁闭的开始
Searching for onset of deconfinement via hypernuclei and baryon-strangeness correlations
摘要：
我们认为，比值$S_3 =\mathrm{^3_ΛH} / (\mathrm{^3He} \times \fracΛ{p})$是重子数和奇异性之间的局域相关的一个很好的表征，因此是一个有价值的工具，以探讨的性质，在高能重离子碰撞产生的致密物质：夸克-胶子等离子体或强子气体。一个多相输运模型（AMPT）加上一个动态聚结模型来阐明我们的论点。我们发现，AMPT与弦熔化预测的$S_3$的增加与电子束能量的增加，是与实验数据相一致，而AMPT与强子散射的结果在整个能量范围内从AGS到RHIC低$S_3$，并未能描述实验数据。
英文摘要：
We argue that the ratio $S_3 =\mathrm{^3_ΛH} / (\mathrm{^3He} \times \fracΛ{p})$ is a good representation of the local correlation between baryon number and strangeness, and therefore is a valuable tool to probe the nature of the dense matter created in high energy heavy-ion collision: quark gluon plasma or hadron gas. A multiphase transport model (AMPT) plus a dynamical coalescence model is used to elucidate our arguments. We find that AMPT with string melting predicts an increase of $S_3$ with increasing beam energy, and is consistent with experimental data, while AMPT with only hadronic scattering results in a low $S_3$ throughout the energy range from AGS to RHIC, and fails to describe the experimental data.
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