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Related papers: Magic numbers in exotic nuclei and spin-isospin pr…

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Magic numbers lie at the heart of nuclear structure, reflecting enhanced stability in nuclei with closed shells. While the emergence of magic numbers beyond 20 is commonly attributed to strong spin-orbit coupling, the microscopic origin of…

Nuclear Theory · Physics 2026-02-23 C. R. Ding , C. C. Wang , J. M. Yao , H. Hergert , H. Z. Liang , S. Bogner

In nuclear physics a magic number is defined as the nucleon number, which is separated by a significantly large single-particle energy gap from the next nucleon. Magic numbers define the nuclear shells, which are considered to be active,…

Nuclear Theory · Physics 2019-09-04 Andriana Martinou , Dennis Bonatsos

The main purpose of the present manuscript is to review the structural evolution along the isotonic and isotopic chains around the "traditional" magic numbers 8; 20; 28; 50; 82 and 126. The exotic regions of the chart of nuclides have been…

Nuclear Experiment · Physics 2008-12-18 O. Sorlin , M. -G. Porquet

The shell evolution has been studied extensively within the framework of interacting shell model, while the studies from the single particle viewpoint is relatively lacking or neglected. In particular, the isospin dependence of spin-orbit…

Nuclear Theory · Physics 2020-11-30 Weiqiang Ma , Yibin Qian

A new paradigm for nuclear structure that includes blocking effects of tensor interactions is proposed. All of the recently discovered magic numbers (N=6, 14, 16, 32 and 34) in neutron-rich nuclei can be explained by the blocking effects. A…

Nuclear Theory · Physics 2019-07-19 I. Tanihata , H. Toki , S. Terashima , H. -J. Ong

The nuclear shell model is a benchmark for the description of the structure of atomic nuclei. The magic numbers associated with closed shells have long been assumed to be valid across the whole nuclear chart. Investigations in recent years…

Popular Physics · Physics 2010-06-15 R. Kruecken

Magic numbers are predicted in wide range of the nuclear chart by the self-consistent mean-field calculations with the M3Y-P6 and P7 semi-realistic $NN$ interactions. The magic numbers are identified by vanishing pair correlations in the…

Nuclear Theory · Physics 2014-05-07 H. Nakada , K. Sugiura

It is now known that in neutron rich nuclei, old magic numbers disappear and new ones appear. Single nucleon and double nucleon separation energies are plotted here in all possible manner.Using this data it is shown here for the first time…

General Physics · Physics 2009-11-10 Afsar Abbas

The existence of magic numbers of protons and neutrons in nuclei is essential for understanding nuclear structure and fundamental nuclear forces. Over decades, researchers have conducted theoretical and experimental studies on the new magic…

Nuclear Theory · Physics 2025-01-07 H. Li , H. J. Ong , D. Fang , I. A. Mazur , I. J. Shin , A. M. Shirokov , J. P. Vary , P. Yin , X. Zhao , W. Zuo

The atomic nucleus is a quantum many-body system whose constituent nucleons (protons and neutrons) are subject to complex nucleon-nucleon interactions that include spin- and isospin-dependent components. For stable nuclei, already several…

Nuclear Theory · Physics 2020-04-01 Takaharu Otsuka , Alexandra Gade , Olivier Sorlin , Toshio Suzuki , Yutaka Utsuno

Encouraged with the evidence for Z = 6 magic number in neutron-rich carbon isotopes, we have performed relativistic mean-field plus BCS calculations to investigate ground state properties of entire chains of isotopes(isotones) with Z(N) = 6…

Nuclear Theory · Physics 2018-12-26 M. Kumawat , G. Saxena , M. Kaushik , R. Sharma , S. K. Jain

The available experimental data on shell evolution indicate that the strength of the spin-orbit (SO) single-particle potential may be enhanced in neutron-rich nuclei. We observe that such a simple scheme destroys the Harmonic Oscillator…

Nuclear Theory · Physics 2013-07-15 Zhen-Xiang Xu , Chong Qi

The increasing deformation in atomic nuclei leads to the change of the classical magic numbers (2,8,20,28,50,82..) which dictate the arrangement of nucleons in complete shells. The magic numbers of the three-dimensional harmonic oscillator…

The nuclear shell structure, which originates in the nearly independent motion of nucleons in an average potential, provides an important guide for our understanding of nuclear structure and the underlying nuclear forces. Its most…

It is shown that experimental values of the cross sections of inelastic low-energy neutron scattering on even-even nuclei together with the description of these cross sections in the framework of the coupled channel optical model may be…

Nuclear Theory · Physics 2010-04-12 D. A. Zaikin , I. V. Surkova

Empirical drops in ground-state nuclear polarizabilities indicate deviations from the effect of giant dipole resonances and may reveal the presence of shell effects in semi-magic nuclei with neutron magic numbers $N=50$, 82 and 126. Similar…

Nuclear Theory · Physics 2019-03-05 Cebo Ngwetsheni , Nico Orce

A new mass formula capable of explaining the binding energies of almost all the known isotopes from Li to Bi is prescribed. In addition to identifying the new magic number at neutron number N=16 (Z=7-9), pseudo-magic numbers at N=14…

Nuclear Theory · Physics 2007-05-23 C. Samanta , S. Adhikari

The study of exotic nuclei---nuclei with the ratio of neutron number $N$ to proton number $Z$ deviating much from that of those found in nature---is at the forefront of nuclear physics research because it can not only reveal novel nuclear…

Nuclear Theory · Physics 2017-03-28 Shan-Gui Zhou

We investigate outer crust compositions for a wide range of magnetic field strengths, up to $B\simeq 4\times10^{18}$ G, employing the latest experimental nuclear masses supplemented with various mass models. The essential effects of the…

Nuclear Theory · Physics 2023-02-17 Kazuyuki Sekizawa , Kentaro Kaba
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