Hexadecapole deformation of $^{238}$U from relativistic heavy-ion collisions using a nonlinear response coefficient
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arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866916299573035008 |
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| author | Xu, Hao-jie Zhao, Jie Wang, Fuqiang |
| author_facet | Xu, Hao-jie Zhao, Jie Wang, Fuqiang |
| contents | The hexadecapole deformation ($β_4$) of the $^{238}$U nucleus has not been determined because its effect is overwhelmed by those from the nucleus' large quadrupole deformation ($β_2$) in nuclear electric transition measurements. In this Letter, we identify the nonlinear response of the hexadecapole anisotropy to ellipticity in relativistic $^{238}$U+ $^{238}$U collisions that is solely sensitive to $β_4$ and insensitive to $β_2$. We demonstrate this by state-of-the-art hydrodynamic calculations and discuss the prospects of discovering the $β_4$ of $^{238}$U in heavy-ion data at the Relativistic Heavy Ion Collider. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_16550 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Hexadecapole deformation of $^{238}$U from relativistic heavy-ion collisions using a nonlinear response coefficient Xu, Hao-jie Zhao, Jie Wang, Fuqiang Nuclear Theory Nuclear Experiment The hexadecapole deformation ($β_4$) of the $^{238}$U nucleus has not been determined because its effect is overwhelmed by those from the nucleus' large quadrupole deformation ($β_2$) in nuclear electric transition measurements. In this Letter, we identify the nonlinear response of the hexadecapole anisotropy to ellipticity in relativistic $^{238}$U+ $^{238}$U collisions that is solely sensitive to $β_4$ and insensitive to $β_2$. We demonstrate this by state-of-the-art hydrodynamic calculations and discuss the prospects of discovering the $β_4$ of $^{238}$U in heavy-ion data at the Relativistic Heavy Ion Collider. |
| title | Hexadecapole deformation of $^{238}$U from relativistic heavy-ion collisions using a nonlinear response coefficient |
| topic | Nuclear Theory Nuclear Experiment |
| url | https://arxiv.org/abs/2402.16550 |