Exploring the compactness of $α$ cluster in $^{16}$O nuclei with relativistic $^{16}$O+$^{16}$O collisions
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866916238015332352 |
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| author | Wang, Yuanyuan Zhao, Shujun Cao, Boxing Xu, Hao-jie Song, Huichao |
| author_facet | Wang, Yuanyuan Zhao, Shujun Cao, Boxing Xu, Hao-jie Song, Huichao |
| contents | Probing the $α$ cluster of $^{16}$O with the relativistic $^{16}$O+$^{16}$O collisions has raised great interest in the heavy ion community. However, the effects of the $α$ cluster on the soft hadron observables vary largely among different studies. In this paper, we explain the differences by the compactness of the $α$ cluster in oxygen, using iEBE-VISHNU hydrodynamic simulations with different initial state $α$ cluster configurations. We also find several observables, such as the intensive skewness of the $[p_{\rm T}]$ correlator $Γ_{p_{\rm T}}$, the harmonic flows $v_2\{2\}$, $v_2\{4\}$, $v_3\{2\}$, and the $v_n^2-δ[p_{\rm T}]$ correlations $ρ(v_{2}^{2}, [p_{\rm T}])$, $ρ(v_{3}^{2}, [p_{\rm T}])$ in $^{16}$O+$^{16}$O collisions are sensitive to the compactness of the $α$ cluster in the colliding nuclei, which can be used to constrain the configurations of $^{16}$O in the future. Our study serves as an important step toward the quantitative exploration of the $α$ cluster configuration in the light nuclei with relativistic heavy ion collisions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_15723 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Exploring the compactness of $α$ cluster in $^{16}$O nuclei with relativistic $^{16}$O+$^{16}$O collisions Wang, Yuanyuan Zhao, Shujun Cao, Boxing Xu, Hao-jie Song, Huichao Nuclear Theory Nuclear Experiment Probing the $α$ cluster of $^{16}$O with the relativistic $^{16}$O+$^{16}$O collisions has raised great interest in the heavy ion community. However, the effects of the $α$ cluster on the soft hadron observables vary largely among different studies. In this paper, we explain the differences by the compactness of the $α$ cluster in oxygen, using iEBE-VISHNU hydrodynamic simulations with different initial state $α$ cluster configurations. We also find several observables, such as the intensive skewness of the $[p_{\rm T}]$ correlator $Γ_{p_{\rm T}}$, the harmonic flows $v_2\{2\}$, $v_2\{4\}$, $v_3\{2\}$, and the $v_n^2-δ[p_{\rm T}]$ correlations $ρ(v_{2}^{2}, [p_{\rm T}])$, $ρ(v_{3}^{2}, [p_{\rm T}])$ in $^{16}$O+$^{16}$O collisions are sensitive to the compactness of the $α$ cluster in the colliding nuclei, which can be used to constrain the configurations of $^{16}$O in the future. Our study serves as an important step toward the quantitative exploration of the $α$ cluster configuration in the light nuclei with relativistic heavy ion collisions. |
| title | Exploring the compactness of $α$ cluster in $^{16}$O nuclei with relativistic $^{16}$O+$^{16}$O collisions |
| topic | Nuclear Theory Nuclear Experiment |
| url | https://arxiv.org/abs/2401.15723 |