Candidate toroidal electric dipole mode in the spherical nucleus $^{58}$Ni
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arXiv
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| Format: | Preprint |
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2023
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| author | von Neumann-Cosel, P. Nesterenko, V. O. Brandherm, I. Vishnevskiy, P. I. Reinhard, P. -G. Kvasil, J. Matsubara, H. Repko, A. Richter, A. Scheck, M. Tamii, A. |
| author_facet | von Neumann-Cosel, P. Nesterenko, V. O. Brandherm, I. Vishnevskiy, P. I. Reinhard, P. -G. Kvasil, J. Matsubara, H. Repko, A. Richter, A. Scheck, M. Tamii, A. |
| contents | Dipole toroidal modes appear in many fields of physics. In nuclei, such a mode was predicted more than 50 years ago, but clear experimental evidence was lacking so far. Using a combination of high-resolution inelastic scattering experiments with photons, electrons and protons, we identify for the first time candidates for toroidal dipole excitations in the nucleus $^{58}$Ni and demonstrate that transverse electron scattering form factors represent a relevant experimental observable to prove their nature. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2310_04736 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Candidate toroidal electric dipole mode in the spherical nucleus $^{58}$Ni von Neumann-Cosel, P. Nesterenko, V. O. Brandherm, I. Vishnevskiy, P. I. Reinhard, P. -G. Kvasil, J. Matsubara, H. Repko, A. Richter, A. Scheck, M. Tamii, A. Nuclear Experiment Nuclear Theory Dipole toroidal modes appear in many fields of physics. In nuclei, such a mode was predicted more than 50 years ago, but clear experimental evidence was lacking so far. Using a combination of high-resolution inelastic scattering experiments with photons, electrons and protons, we identify for the first time candidates for toroidal dipole excitations in the nucleus $^{58}$Ni and demonstrate that transverse electron scattering form factors represent a relevant experimental observable to prove their nature. |
| title | Candidate toroidal electric dipole mode in the spherical nucleus $^{58}$Ni |
| topic | Nuclear Experiment Nuclear Theory |
| url | https://arxiv.org/abs/2310.04736 |