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Nuclear halo structure and pseudospin symmetry

Wen Hui Long (龙文辉), Peter Ring, Jie Meng (孟杰), Nguyen Van Giai, and Carlos A. Bertulani
Phys. Rev. C 81, 031302(R) – Published 31 March 2010

Abstract

Nuclear halo structure and conservation of relativistic symmetry are studied within the framework of the relativistic Hartree-Fock-Bogoliubov theory. Giant halos as well as ordinary ones are found in cerium isotopes close to the neutron drip line. Bridged by the T=0 channel, the conservation of pseudospin symmetry (PSS) plays an essential role in stabilizing the neutron halo structures. The Fock terms, especially the ρ-tensor couplings, not only play a significant role in PSS conservation but also present substantial contributions to the T=0 channel, by which the necessity of Fock terms is well demonstrated.

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  • Received 24 November 2009

DOI:https://doi.org/10.1103/PhysRevC.81.031302

©2010 American Physical Society

Authors & Affiliations

Wen Hui Long (龙文辉)1,2,3,4,*, Peter Ring2, Jie Meng (孟杰)3, Nguyen Van Giai5,6, and Carlos A. Bertulani4

  • 1School of Nuclear Science and Technology, Lanzhou University, 730000 Lanzhou, People's Republic of China
  • 2Physik-Department der Technischen Universität München, D-85748 Garching, Germany
  • 3School of Physics, Peking University, 100871 Beijing, People's Republic of China
  • 4Department of Physics, Texas A&M University, Commerce, Texas 75429, USA
  • 5CNRS-IN2P3, UMR 8608, F-91406 Orsay, France
  • 6Université Paris-Sud, F-91405 Orsay, France

  • *longwh@lzu.edu.cn

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Vol. 81, Iss. 3 — March 2010

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