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Structure and reactions of halo nuclei

par Baye, Daniel Jean ;Suzuki, Yasuyuki
Référence Nuclear Physics News, 15, 4, page (10-16)
Publication Publié, 2005

Article révisé par les pairs

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Résumé :

It is a challenge to artificially produce thousands of nuclei that do not exist in nature, to study their properties and to explore their roles in forming nature. Recent techniques with radioactive beams have made it possible to reach the limit of the neutron dripline for relatively light nuclei. At this limit for Z=9, one of the most fascinating discoveries was that of a neutron halo in 11Li. The measurements that led to the discovery showed enhanced interaction cross-sections, narrow momentum distributions of 9Li fragments, and large Coulomb dissociation cross-sections. Subsequently, the neutron halos were confirmed in several other nuclei near the dripline, for example, 6He, 11Be, 14Be, and 19C. © 2006, Taylor & Francis Group, LLC.