Shape evolution in the neutron-rich tungsten region | Zendy

P. D. Stevenson | Zendy; M. P. Brine | Zendy; Zs. Podolyák | Zendy; P. H. Regan | Zendy; P. M. Walker | Zendy; J. R. Stone | Zendy

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Shape evolution in the neutron-rich tungsten region

Author(s) -

P. D. Stevenson,

M. P. Brine,

Zs. Podolyák,

P. H. Regan,

P. M. Walker,

J. R. Stone

Publication year - 2005

Publication title -

physical review c

Language(s) - English

Resource type - Journals

eISSN - 1089-490X

pISSN - 0556-2813

DOI - 10.1103/physrevc.72.047303

Subject(s) - quadrupole , physics , prolate spheroid , neutron number , oblate spheroid , neutron , axial symmetry , atomic physics , magnetic monopole , tungsten , proton , hartree–fock method , nuclear physics , neutron temperature , materials science , classical mechanics , quantum mechanics , neutron cross section , metallurgy

Recent experimental data on the low-lying states in W-190 show a change in the E(4(1)(+))/E(2(1)(+)) behavior compared to less neutron-rich neigbors. Self-consistent axially-deformed Hartree-Fock calculations, using a separable monopole interaction, of nuclei in the vicinity of W-190 are performed to systematically examine the evolution of ground state quadrupole deformations. It is found that the neutron number N=116 causes a coexistence of oblate and prolate shapes, with a weak dependence on proton number, thereby hindering the development of these isotones as well-deformed rotors.

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