Nuclear magic numbers: New features far from stability

  title={Nuclear magic numbers: New features far from stability},
  author={Olivier Sorlin and M-G. Porquet},
  journal={Progress in Particle and Nuclear Physics},

Negative Parity States in 39Cl Configured by Crossing Major Shell Orbits

Traditional “magic numbers” were once regarded as immutable throughout the nuclear chart. However, unexpected changes were found for unstable nuclei around N = 20. With both proton and neutron

Magic Numbers of Cylindrical Symmetry

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

Correlations of nuclear charge radii with other nuclear observables

Empirical correlations between nuclear charge radii and several other experimental ground and excited state observables of even–even nuclei are presented for different regions in the nuclear chart.

Evolution of shell structure in exotic nuclei

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

New results on nuclear magicity and possible extension of the nuclear landscape

In nuclear theory, there is always a quest for possible extensions of the nuclear landscape and extending our knowledge to the limits of nuclear existence. In this study, we examine the stability and

Evolution of the N = 28 shell closure: a test bench for nuclear forces

The evolution of the N = 28 shell closure is investigated far from stability. Using the latest results obtained from various experimental techniques, we discuss the main properties of the N = 28

N = 28: Shell and Shapes

The Segré chart, from hydrogen (Z = 1) to the heaviest elements (Z = 118 observed so far), is usually represented with a particular focus on magic numbers. Within a naive shell model picture, magic

Spectroscopy in and around the Island of Inversion

The magic neutron number N = 20 arises after 2 quanta of the harmonic oscillator and persists, albeit weakened, after considering a more realistic potential including the spin-orbit interaction. The

Exotic nuclei and nuclear forces

I overview new aspects of the structure of exotic nuclei as compared to stable nuclei, focusing on several characteristic effects of nuclear forces. The shell structure of nuclei has been proposed by



‘Magic’ nucleus 42Si

Measurements of 42Si and two neighbouring nuclei using a technique involving one- and two-nucleon knockout from beams of exotic nuclei are reported, presenting strong evidence for a well-developed proton subshell closure at Z = 14 (14 protons), the near degeneracy of two different proton orbits in the vicinity of 41Si, and a nearly spherical shape for 42Si.

Recent trends in the determination of nuclear masses

The mass of the nucleus, through its binding energy, continues to be of capital importance not only for various aspects of nuclear physics, but also for other branches of physics, notably

The shell model as a unified view of nuclear structure

The last decade has witnessed both quantitative and qualitative progress in shell-model studies, which have resulted in remarkable gains in our understanding of the structure of the nucleus. Indeed,

A triplet of differently shaped spin-zero states in the atomic nucleus 186Pb

Here it is found experimentally that the lowest three states in the energy spectrum of the neutron deficient nucleus 186Pb are spherical, oblate and prolate, which is an apparently unique shape triplet.

Nuclear structure in the vicinity of shell closures far from stability

The status of experimental approach to 100Sn and 78Ni is reviewed. Revised single particle energies for neutrons are deduced for the N=Z=50 shell closure and evidence for low lying Iπ=2+ and 3−

Sub-Barrier Coulomb Excitation of ^110Sn and Its Implications for the ^100Sn Shell Closure

The first excited 2+ state of the unstable isotope 110Sn has been studied in safe Coulomb excitation at 2.82 MeV/u using the MINIBALL array at the REX-ISOLDE post accelerator at CERN. This is the