A strong correlation between nuclear collectivity and atomic masses

This work explores how nuclear collectivity arises in singly-closed shell nuclei where particle-particle correlations may be the dominant degree of freedom. The trends of values in the Ni and Sn superfluids with N Z are predicted from proton and neutron pairing gaps extracted from atomic masses. Nuc...

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Veröffentlicht in:Journal of physics. G, Nuclear and particle physics Nuclear and particle physics, 2014-05, Vol.41 (5), p.55113-7
1. Verfasser: Orce, J N
Format: Artikel
Sprache:eng
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Zusammenfassung:This work explores how nuclear collectivity arises in singly-closed shell nuclei where particle-particle correlations may be the dominant degree of freedom. The trends of values in the Ni and Sn superfluids with N Z are predicted from proton and neutron pairing gaps extracted from atomic masses. Nuclear collectivity is enhanced for the combination of large and close-lying proton and neutron pairing gaps. The agreement with the Ni isotopes is excellent, and recent experimental results support the enhanced trend predicted for the neutron-deficient Sn isotopes. This work shows that many-body microscopic properties such as nuclear collectivity could be inferred directly from macroscopic average properties such as atomic masses.
ISSN:0954-3899
1361-6471
DOI:10.1088/0954-3899/41/5/055113