Nuclear Physics Confronts Relativistic Collisions Of Isobars
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2025
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| author | Giacalone, Giuliano Jia, Jiangyong Somà, Vittorio Zhou, You Afanasjev, Anatoli Alvioli, Massimiliano Bally, Benjamin Capellino, Federica Ebran, Jean-Paul Elfner, Hannah Gardim, Fernando G. Giannini, André V. Grassi, Frédérique Grossi, Eduardo Hammelmann, Jan Kirchner, Andreas Lee, Dean Luzum, Matthew Mehrabpour, Hadi Nielsen, Emil G. Nijs, Govert Nikšić, Tamara Noronha-Hostler, Jacquelyn Ollitrault, Jean-Yves Otsuka, Takaharu Pala, Kevin P. Perera, Udeshika C. Robledo, Luis M. Rodríguez, Tomás R. Ryssens, Wouter Saß, Nils van der Schee, Wilke Schenke, Björn Serenone, Willian M. Singh, Pragya Shen, Chun Shimizu, Noritaka Song, Huichao Taghavi, Seyed Farid Teaney, Derek Tsunoda, Yusuke Wimmer, Kathrin Yanase, Kota Zhang, Chunjian Zhao, Shujun Zhao, Wenbin |
| author_facet | Giacalone, Giuliano Jia, Jiangyong Somà, Vittorio Zhou, You Afanasjev, Anatoli Alvioli, Massimiliano Bally, Benjamin Capellino, Federica Ebran, Jean-Paul Elfner, Hannah Gardim, Fernando G. Giannini, André V. Grassi, Frédérique Grossi, Eduardo Hammelmann, Jan Kirchner, Andreas Lee, Dean Luzum, Matthew Mehrabpour, Hadi Nielsen, Emil G. Nijs, Govert Nikšić, Tamara Noronha-Hostler, Jacquelyn Ollitrault, Jean-Yves Otsuka, Takaharu Pala, Kevin P. Perera, Udeshika C. Robledo, Luis M. Rodríguez, Tomás R. Ryssens, Wouter Saß, Nils van der Schee, Wilke Schenke, Björn Serenone, Willian M. Singh, Pragya Shen, Chun Shimizu, Noritaka Song, Huichao Taghavi, Seyed Farid Teaney, Derek Tsunoda, Yusuke Wimmer, Kathrin Yanase, Kota Zhang, Chunjian Zhao, Shujun Zhao, Wenbin |
| contents | High-energy collisions involving the $A=96$ isobars $^{96}$Zr and $^{96}$Ru have been performed in 2018 at Brookhaven National Laboratory's Relativistic Heavy Ion Collider (RHIC) as a means to search for the chiral magnetic effect in QCD. This would manifest itself as specific deviations from unity in the ratio of observables taken between $^{96}$Zr+$^{96}$Zr and $^{96}$Ru+$^{96}$Ru collisions. Measurements of such ratios (released at the end of 2021) indeed reveal deviations from unity, but these are primarily caused by the two collided isobars having different radial profiles and intrinsic deformations. To make progress in understanding RHIC data, nuclear physicists across the energy spectrum gathered in Heidelberg in 2022 as part of an EMMI Rapid Reaction Task Force (RRTF) to address the following question. Does the combined effort of low-energy nuclear structure physics and high-energy heavy-ion physics enable us to understand the observations made in isobar collisions at RHIC? |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_01454 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Nuclear Physics Confronts Relativistic Collisions Of Isobars Giacalone, Giuliano Jia, Jiangyong Somà, Vittorio Zhou, You Afanasjev, Anatoli Alvioli, Massimiliano Bally, Benjamin Capellino, Federica Ebran, Jean-Paul Elfner, Hannah Gardim, Fernando G. Giannini, André V. Grassi, Frédérique Grossi, Eduardo Hammelmann, Jan Kirchner, Andreas Lee, Dean Luzum, Matthew Mehrabpour, Hadi Nielsen, Emil G. Nijs, Govert Nikšić, Tamara Noronha-Hostler, Jacquelyn Ollitrault, Jean-Yves Otsuka, Takaharu Pala, Kevin P. Perera, Udeshika C. Robledo, Luis M. Rodríguez, Tomás R. Ryssens, Wouter Saß, Nils van der Schee, Wilke Schenke, Björn Serenone, Willian M. Singh, Pragya Shen, Chun Shimizu, Noritaka Song, Huichao Taghavi, Seyed Farid Teaney, Derek Tsunoda, Yusuke Wimmer, Kathrin Yanase, Kota Zhang, Chunjian Zhao, Shujun Zhao, Wenbin Nuclear Experiment High Energy Physics - Experiment High Energy Physics - Phenomenology Nuclear Theory High-energy collisions involving the $A=96$ isobars $^{96}$Zr and $^{96}$Ru have been performed in 2018 at Brookhaven National Laboratory's Relativistic Heavy Ion Collider (RHIC) as a means to search for the chiral magnetic effect in QCD. This would manifest itself as specific deviations from unity in the ratio of observables taken between $^{96}$Zr+$^{96}$Zr and $^{96}$Ru+$^{96}$Ru collisions. Measurements of such ratios (released at the end of 2021) indeed reveal deviations from unity, but these are primarily caused by the two collided isobars having different radial profiles and intrinsic deformations. To make progress in understanding RHIC data, nuclear physicists across the energy spectrum gathered in Heidelberg in 2022 as part of an EMMI Rapid Reaction Task Force (RRTF) to address the following question. Does the combined effort of low-energy nuclear structure physics and high-energy heavy-ion physics enable us to understand the observations made in isobar collisions at RHIC? |
| title | Nuclear Physics Confronts Relativistic Collisions Of Isobars |
| topic | Nuclear Experiment High Energy Physics - Experiment High Energy Physics - Phenomenology Nuclear Theory |
| url | https://arxiv.org/abs/2507.01454 |