Separating the Impact of Nuclear Skin and Nuclear Deformation in High-Energy Isobar Collisions

被引：32

作者：

Jia, Jiangyong ^{[1
,2
]}

Giacalone, Giuliano ^{[3
]}

Zhang, Chunjian ^{[1
]}

机构：

[1] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA

[2] Brookhaven Natl Lab, Phys Dept, Upton, NY 11976 USA

[3] Heidelberg Univ, Inst Theoret Phys, Philosophenweg 16, D-69120 Heidelberg, Germany

来源：

PHYSICAL REVIEW LETTERS | 2023年 / 131卷 / 02期

关键词：

ELLIPTIC-FLOW; SCATTERING;

D O I：

10.1103/PhysRevLett.131.022301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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 (v2) and its fluctuations in high-energy 96Ru + 96Ru and 96Zr + 96Zr collisions. Our findings reveal that the difference in skin thickness between these isobars only influences the inherent ellipticity of the collision systems, vrp2 . In contrast, differences in nuclear deformations solely impact the fluctuations of v2 around vrp2 . 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.

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