论文标题
解释$λ$和$ \barλ$全球两极分化的两个组件来源
Two-component source to explain $Λ$ and $\barΛ$ global polarization in non-central heavy-ion collisions
论文作者
论文摘要
Star Beam Energy Scan计划发现，在$ au+au $碰撞中产生的$λ$ s的全球两极分化和$ \barλ$ s的差异。对于下部质量碰撞能量的下部，这种差异更大。在这项工作中，我们表明，由高密度核心和较低密度电晕组成的两个组分源可以定量地描述$λ$和$ \ \barλ$偏振，这是碰撞能量的函数。
The STAR Beam Energy Scan program has found a difference in the global polarization of $Λ$s and $\barΛ$s produced in $Au+Au$ collisions. This difference is larger for lower center of mass collision energies. In this work we show that a two-component source, consisting of a high density core and a lower density corona, can describe quantitatively the $Λ$ and $\barΛ$ polarization as a function of collision energy.
