Advances in Nuclear Physics and Symmetry

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".

Deadline for manuscript submissions: 31 October 2025 | Viewed by 89

Special Issue Editors


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Guest Editor
ESMaR, Faculty of Sciences, University Mohammed V in Rabat, Rabat, Morocco
Interests: nuclear structure; collective models; computational physics; mathematical physics

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Guest Editor
High Energy Physics and Astrophysics Laboratory, Department of Physics, Faculty of Sciences Semlalia, Cadi Ayyad University, Street, Marrakesh 40000, Morocco
Interests: theoretical nuclear physics; computational physics; mathematical physics; quantum physics

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Guest Editor
'Horia Hulubei' National Institute for R&D in Physics and Nuclear Engineering, 30 Reactorului Street MG-6, 077125 Magurele, Romania
Interests: nuclear shape phase transitions; nuclear pairing; shape coexistence and mixing

Special Issue Information

Dear Colleagues,

The atomic nucleus, a quantum many-particle system, often exhibits deformation as its native state, contrasting with the classical view of a spherical nuclear shape. Such spherical configurations are rare and typically found near nuclear shell closures. Nuclear shape and its symmetry dynamical properties are governed by the interplay of the mean-field generated by the strong nuclear force and the shell structure, giving rise to a rich variety of phenomena across the nuclear chart. This intricate relationship between shapes and shells leads to symmetries, structure effects, and transitions that are central to the challenge of understanding nuclear structure.

This Special Issue aims to gather the latest research on nuclear shapes, symmetries, and the interplay of deformations and shell effects. It will explore both theoretical advancements and experimental breakthroughs, with a focus on how symmetry principles govern the behavior of atomic nuclei. By compiling cutting-edge research, the Special Issue seeks to address key challenges in understanding nuclear structure and to highlight the relevance of symmetry in both the development of new theoretical models and the interpretation of experimental data. The topics align with the scope of Symmetry, which emphasizes the application of symmetry principles across disciplines, and this issue will provide an in-depth look at how these principles are crucial for advancing the study of nuclear structure.

We welcome contributions in the following themes:

  • Shapes and symmetries—geometric and algebraic aspects.
  • Collective and microscopic models for nuclear deformations.
  • Shape coexistence and phase-transition phenomena.
  • New data on nuclear deformations and advanced experimental techniques.
  • Geometric and algebraic symmetry aspects of nuclear shapes.
  • Complex nuclear shapes, isomers, and cluster phenomena.
  • Interdisciplinary aspects: shape phenomena in other physical systems.

In this Special Issue, original research articles and reviews are welcome. We look forward to receiving your contributions.

Prof. Dr. Alaaeddine Lahbas
Prof. Dr. Mustapha Oulne
Dr. Petrică Buganu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Symmetry is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • nuclear deformation
  • nuclear symmetry
  • shape coexistence
  • phase transitions
  • critical point symmetries
  • collective models
  • microscopic models
  • nuclear structure
  • experimental nuclear physics
  • geometric and algebraic symmetries

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Published Papers (1 paper)

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Research

13 pages, 856 KiB  
Article
Shape Transition and Coexistence in 66Se Studied with Phenomenological and Microscopic Models
by Petricǎ Buganu, Sara Chafik, Alaaeddine Lahbas and Mustapha Oulne
Symmetry 2025, 17(5), 687; https://doi.org/10.3390/sym17050687 (registering DOI) - 30 Apr 2025
Abstract
A comprehensive theoretical investigation of shape coexistence and transition phenomena in the neutron-deficient nucleus Se66, using complementary microscopic and phenomenological approaches, is presented. The analysis employs the Covariant Density Functional Theory with the Density-Dependent Meson Exchange Model interaction to map the [...] Read more.
A comprehensive theoretical investigation of shape coexistence and transition phenomena in the neutron-deficient nucleus Se66, using complementary microscopic and phenomenological approaches, is presented. The analysis employs the Covariant Density Functional Theory with the Density-Dependent Meson Exchange Model interaction to map the potential energy surface. This microscopic foundation is complemented by calculations using the Bohr–Mottelson Hamiltonian with a sextic oscillator potential, specifically adapted to explore shape coexistence between spherical and γ-unstable configurations. The latter model successfully reproduces the experimental energy spectrum, including the critical low-lying 02+ state at 1226 keV—a key signature of shape coexistence. An analysis of probability density distributions indicates a distinctive manifestation of shape coexistence wherein different shapes exist without significant mixing in the states. These findings provide crucial insights into the structural dynamics of Se66 and establish it as an important case study for understanding shape evolution in neutron-deficient nuclei beyond the N=Z line. Full article
(This article belongs to the Special Issue Advances in Nuclear Physics and Symmetry)
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