
TL;DR
This paper reviews how traditional nuclear magic numbers can change in exotic nuclei, highlighting recent experimental and theoretical findings that impact our understanding of nuclear structure and stellar nucleosynthesis.
Contribution
It provides a comprehensive overview of recent research on evolving nuclear shell structures and the emergence of new magic numbers in unstable nuclei.
Findings
Traditional magic numbers can disappear in exotic nuclei
New magic numbers can emerge far from stability
Changes in shell structure affect stellar nucleosynthesis
Abstract
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 of nuclei far away from nuclear stability at facilities for radioactive ion beams have revealed that the magic numbers may change locally in those exotic nuclei leading to the disappearance of classic shell gaps and the appearance of new magic numbers. These changes in shell structure also have important implications for the synthesis of heavy elements in stars and stellar explosions. In this review a brief overview of the basics of the nuclear shell model will be given together with a summary of recent theoretical and experimental activities investigating these changes in the nuclear shell structure.
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Taxonomy
TopicsNuclear physics research studies · Astronomical and nuclear sciences · Diverse Scientific and Engineering Research
