Systematic Search For Evidence of Tetrahedral and Octahedral Symmetries in Subatomic Physics: Follow-up of the First Identification Case in $^{152}$Sm - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Communication Dans Un Congrès Année : 2019

Systematic Search For Evidence of Tetrahedral and Octahedral Symmetries in Subatomic Physics: Follow-up of the First Identification Case in $^{152}$Sm

Irene Dedes
  • Fonction : Auteur
Abdelghafar Gaamouci
  • Fonction : Auteur
Jie Yang
Andrzej Baran
  • Fonction : Auteur
Timo Dickel
  • Fonction : Auteur
Hua-Lei Wang
  • Fonction : Auteur

Résumé

In a recent article [1] group-theory representation-methods have been combined with the realistic mean-field calculation results to elaborate new, specifically designed methods of experimental identification of the tetrahedral/octahedral symmetries in atomic nuclei. The authors demonstrated that experimental data on 152 Sm existing in the literature are fully compatible with the extremely restrictive group-theory criteria of simultaneous presence of tetrahedral and octahedral symmetries, thus identifying these symmetries in subatomic physics for the first time. We discuss theory predictions related to the systematic presence of these symmetries as well as their manifestations throughout the Periodic Table in the form of islands centred around the doublymagic tetrahedral-symmetry nuclei.The corresponding theory predictions are discussed in the context of the planned new experiments, which would employ the advanced mass-spectrometry methods [2], in view of the new experimental search criteria [1]. The addressed field of symmetry-research presents particularly promising potentialities in the domain of exotic nuclei studies. Indeed, as it can be demonstrated, in the exact tetrahedral and/or octahedral symmetry limits the corresponding nuclei emit neither E2 nor E1 radiation generating isomeric states with lifetimes which can become much longer than those of the related ground states. This is expected to open the new research strategies for the whole domain of the exotic nuclei studies throughout the Periodic Table.Key words: Nuclear structure / Nuclear Platonic symmetries / Exotic nuclei / Shape isomers

Dates et versions

hal-02432678 , version 1 (08-01-2020)

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Citer

Jerzy Dudek, Irene Dedes, Abdelghafar Gaamouci, Jie Yang, Andrzej Baran, et al.. Systematic Search For Evidence of Tetrahedral and Octahedral Symmetries in Subatomic Physics: Follow-up of the First Identification Case in $^{152}$Sm. 4th International Conference on Nuclear Structure and Dynamics, May 2019, Venice, Italy. pp.01014, ⟨10.1051/epjconf/201922301014⟩. ⟨hal-02432678⟩
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