Toroidal resonance: Relation to pygmy mode, vortical properties, and anomalous deformation splitting
- Authors: Reinhard P.1, Nesterenko V.O.2, Kvasil J.3, Repko A.4, Kleinig W.2
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Affiliations:
- Institut für Theoretische Physik II
- Laboratory of Theoretical Physics
- Institute of Particle and Nuclear Physics
- Department of Nuclear Physics
- Issue: Vol 79, No 6 (2016)
- Pages: 842-850
- Section: Nuclei
- URL: https://journal-vniispk.ru/1063-7788/article/view/190412
- DOI: https://doi.org/10.1134/S106377881606020X
- ID: 190412
Cite item
Abstract
We review a recent progress in investigation of the isoscalar toroidal dipole resonance (TDR). A possible relation of the TDR and low-energy dipole excitations (also called a pygmy resonance) is analyzed. It is shown that the dipole strength in the pygmy region can be understood as a local manifestation of the collective vortical toroidalmotion at the nuclear surface. Application of the TDR as a measure of the nuclear dipole vorticity is discussed. An anomalous splitting of the TDR in deformed nuclei is inspected.
About the authors
P.-G. Reinhard
Institut für Theoretische Physik II
Email: nester@theor.jinr.ru
Germany, Erlangen
V. O. Nesterenko
Laboratory of Theoretical Physics
Author for correspondence.
Email: nester@theor.jinr.ru
Russian Federation, Dubna
J. Kvasil
Institute of Particle and Nuclear Physics
Email: nester@theor.jinr.ru
Czech Republic, Prague
A. Repko
Department of Nuclear Physics
Email: nester@theor.jinr.ru
Slovakia, Bratislava
W. Kleinig
Laboratory of Theoretical Physics
Email: nester@theor.jinr.ru
Russian Federation, Dubna
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