[Halos et peaux dans les noyaux atomiques]
Les modifications de la structure nucléaire loin de la stabilité sont passées en revue. Les concepts de Halos et de peaux de protons et de neutrons sont présentés en s'appuyant sur de nombreux résultats expérimentaux. Des signatures des nouveaux modes collectifs attendus comme conséquences de ces structures exotiques sont aussi décrites. Ces profondes transformations de la structure des noyaux démontrent la nécessité d'étudier les orbitales des nucléons dans les noyaux instables. Ces études récentes, en particulier en ce qui concerne les informations spectroscopiques pour les noyaux à halos, sont résumées. Une modification de l'ordre des orbitales de neutrons loin de la stabilité a été observée lors de ces études. L'implication la plus spectaculaire de cette transformation est la modification des nombres magiques. Une synthèse des résultats sur la modification de la magicité est finalement présentée.
The changes in nuclear structure far from the stability line are reviewed for light nuclei. The basic concepts of neutron and proton skins and neutron halos are presented with several experimental data. Signatures of new mode of collective excitation as consequences of such exotic structures are also shown. These changes of structure point to the need for the detailed study of single-particle orbitals for unstable nuclei. Such recent studies, in particular, the spectroscopic information of halo states, are reviewed. Changes of neutron orbital ordering away from the stability line are observed from such studies. Its most profound implication has emerged in the change of magic numbers. An over view of magic number variation is presented.
Isao Tanihata 1 ; Rituparna Kanungo 1
@article{CRPHYS_2003__4_4-5_437_0,
author = {Isao Tanihata and Rituparna Kanungo},
title = {Halo and skin nuclei},
journal = {Comptes Rendus. Physique},
pages = {437--449},
publisher = {Elsevier},
volume = {4},
number = {4-5},
year = {2003},
doi = {10.1016/S1631-0705(03)00065-3},
language = {en},
}
Isao Tanihata; Rituparna Kanungo. Halo and skin nuclei. Comptes Rendus. Physique, Volume 4 (2003) no. 4-5, pp. 437-449. doi : 10.1016/S1631-0705(03)00065-3. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/S1631-0705(03)00065-3/
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