arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 1102.5723nucl-th
收藏

重离子碰撞中的夸克交换

Quark Recombination in Heavy Ion Collisions

Rainer J. Fries

摘要:

在过去的十年中,在相对论重离子对撞机上收集的高能核碰撞数据提供了令人信服的证据,表明强子化在热核环境中与p+p碰撞相比是完全不同的。特别是,这些数据表明,我们看到的痕迹夸克自由度的椭圆流,这意味着集体流产生的部分子水平上,并通过一个简单的重组步骤转移到强子。在这篇文章中,我们回顾了夸克复合的实验证据,并讨论了一些用于描述这些效应的复合模型。

英文摘要:

Data on high energy nuclear collisions collected at the Relativistic Heavy Ion Collider over the past decade have provided convincing evidence that hadronization is quite different in hot nuclear environments compared to p+p collisions. In particular, the data suggest that we see traces of quark degrees of freedom in elliptic flow, with the implication that collective flow is generated on the parton level and is transfered to hadrons through a simple recombination step. In this contribution we review the experimental evidence for quark recombination and discuss some recombination models which are used to describe these effects.

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。

↑