论文标题
分离核皮肤的影响和核变形在高能量等距碰撞中
Separating the impact of nuclear skin and nuclear deformation in high-energy isobar collisions
论文作者
论文摘要
大量的核结构特性，例如半径和变形，在相对论重离子碰撞的最终状态下留下了不同的签名。等距碰撞提供了一条简单的途径，可以在碰撞核的结构和可观察到的结果之间建立明确的连接。在这里，我们研究了核皮肤厚度和核变形对椭圆流的影响（$ v_2 $）及其在高能量的$^{96} $ ru+$+$+$^{96} $ ru和$^{96} $ zr+$ zr+$^{96} $ zr collisisions中的影响。我们的发现表明，这些等速箱之间的皮肤厚度差异仅影响碰撞系统的固有椭圆度，$ v_2^{\ mathrm {rp}} $。相比之下，核变形的差异仅影响$ v_2 $的波动左右$ v_2^{\ mathrm {rp}} $。因此，我们已经确定了一种数据驱动的方法，可以消除核皮肤和核变形的影响，这标志着评估跨能量表的核现象一致性的重要一步。
Bulk nuclear structure properties, such as radii and deformations, leave distinct signatures in the final state of relativistic heavy-ion collisions. Isobaric collisions offer an easy route to establish explicit connections between the colliding nuclei's structure and the observable outcomes. Here, we investigate the effects of nuclear skin thickness and nuclear deformations on the elliptic flow ($v_2$) and its fluctuations in high-energy $^{96}$Ru+$^{96}$Ru and $^{96}$Zr+$^{96}$Zr collisions. Our findings reveal that the difference in skin thickness between these isobars only influences the inherent ellipticity of the collision systems, $v_2^{\mathrm{rp}}$. In contrast, differences in nuclear deformations solely impact the fluctuations of $v_2$ around $v_2^{\mathrm{rp}}$. Hence, we have identified a data-driven method to disentangle the effects of nuclear skin and nuclear deformations, marking a significant step toward assessing the consistency of nuclear phenomena across energy scales.
