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arXiv 1301.7261nucl-th
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重离子碰撞中的奇异强子和强子-强子相互作用

Exotic hadrons and hadron-hadron interactions in heavy ion collisions

A. Ohnishi, S. Cho, T. Furumoto, T. Hyodo, D. Jido, C. M. Ko, K. Morita, S. H. Lee, M. Nielsen, T. Sekihara, S. Yasui, K. Yazaki

摘要:

从重离子碰撞的角度讨论了奇异强子结构和强子-强子相互作用。首先,我们证明了与统计模型的结果相比,在聚并模型中产生的强子分子具有更大的空间尺寸。其次,我们通过使用最近测量的Lambda-Lambda相关数据来约束Lambda-Lambda相互作用。我们发现RHIC-STAR数据在1/a_0 <= -0.8 fm^{-1}和r_{eff} >= 3 fm范围内有利于Lambda-Lambda散射参数。

英文摘要:

We discuss the exotic hadron structure and hadron-hadron interactions in view of heavy ion collisions. First, we demonstrate that a hadronic molecule with a large spatial size would be produced more abundantly in the coalescence model compared with the statistical model result. Secondly, we constrain the Lambda-Lambda interaction by using the recently measured Lambda-Lambda correlation data. We find that the RHIC-STAR data favor the Lambda-Lambda scattering parameters in the range 1/a_0 <= -0.8 fm^{-1} and r_{eff} >= 3 fm.

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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