Candidate Toroidal Electric Dipole Mode in the Spherical Nucleus Ni 58
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.
6 December 2024American Physical Society
Physical Review Letters
2024#133Issue 23
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 Ni58 and demonstrate that transverse electron scattering form factors represent a relevant experimental observable to prove their nature.
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Institut für Kernphysik, Technische Universitat Darmstadt, Darmstadt, D-64289, Germany
Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Moscow region, Dubna, 141980, Russian Federation
State University Dubna, Moscow region, Dubna, 141980, Russian Federation
Institute of Nuclear Physics, Almaty Region, Almaty, Kazakhstan
Institut fur Theoretische Physik II, Universitat Erlangen, Erlangen, D-91058, Germany
Institute of Particle and Nuclear Physics, Charles University, Praha 8, CZ-18000, Czech Republic
Research Center for Nuclear Physics, Osaka University, Osaka, Ibaraki, 567-0047, Japan
Faculty of Radiological Technology, Fujita Health University, Aichi, 470-1192, Japan
Institute of Physics, Slovak Academy of Sciences, Bratislava, 84511, Slovakia
School of Computing Engineering, and Physical Sciences, University of the West of Scotland, Paisley, PA1 2BE, United Kingdom
Scottish Universities Physics Alliance, Glasgow, 612 8QQ, United Kingdom
Institut für Kernphysik
Laboratory of Theoretical Physics
State University Dubna
Institute of Nuclear Physics
Institut fur Theoretische Physik II
Institute of Particle and Nuclear Physics
Research Center for Nuclear Physics
Faculty of Radiological Technology
Institute of Physics
School of Computing Engineering
Scottish Universities Physics Alliance
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