Communication Dans Un Congrès The European physical journal. A, Hadrons and Nuclei Année : 2005

New mass measurements at the neutron drip-line

Résumé

A new SPEG mass measurement experiment has been performed to determine masses closer to the neutron drip-line in the mass region A $\sim$ 10-50. The precision of 37 masses has been improved and 8 masses were measured for the first time. The region covered was motivated by the study of shell structure and of shape coexistence in the region of closed shells N = 20 and N = 28. The evolution of the two neutron separation energies and the shell correction energy have been studied as a function of the neutron number. The results thus obtained provide a means of identifying, in exotic nuclei, new nuclear structure effects that are well illustrated by the changes of the conventional magic structure.

Dates et versions

in2p3-00024653 , version 1 (22-09-2005)

Identifiants

Citer

H. Savajols, B. Jurado, W. Mittig, D. Baiborodin, W. Catford, et al.. New mass measurements at the neutron drip-line. Fourth International Conference on Exotic Nuclei and Atomic Masses (ENAM'04), Sep 2004, Pine Mountain, United States. pp.23-26, ⟨10.1140/epjad/i2005-06-189-6⟩. ⟨in2p3-00024653⟩
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