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Shape Evolution in the Neutron-Rich Tungsten Region

Stevenson, P D, Brine, M P, Podolyak, Z, Regan, P H, Walker, P M and Stone, J R (2005) Shape Evolution in the Neutron-Rich Tungsten Region Physical Review C, 72 (4). ISSN 0556-2813

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Abstract

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.

Item Type: Article
Additional Information: Published in <i>Physical Review C,</i> Vol. 72, Iss. 4. Copyright 2005 American Physical Society. Click <a href=http://prc.aps.org/>here</a> to access the journal's website.
Divisions: Faculty of Engineering and Physical Sciences > Physics
Depositing User: Mr Adam Field
Date Deposited: 27 May 2010 14:06
Last Modified: 23 Sep 2013 18:26
URI: http://epubs.surrey.ac.uk/id/eprint/154

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