Configuration mixing of angular-momentum-projected triaxial relativistic mean-field wave functions. II. Microscopic analysis of low-lying states in magnesium isotopes

J. M. Yao, H. Mei, H. Chen, J. Meng, P. Ring, and D. Vretenar
Phys. Rev. C 83, 014308 – Published 25 January 2011

Abstract

The recently developed structure model that uses the generator coordinate method to perform configuration mixing of angular-momentum projected wave functions, generated by constrained self-consistent relativistic mean-field calculations for triaxial shapes (3DAMP+GCM), is applied in a systematic study of ground states and low-energy collective states in the even-even magnesium isotopes 2040Mg. Results obtained using a relativistic point-coupling nucleon-nucleon effective interaction in the particle-hole channel and a density-independent δ interaction in the pairing channel are compared to data and with previous axial 1DAMP+GCM calculations, both with a relativistic density functional and the nonrelativistic Gogny force. The effects of the inclusion of triaxial degrees of freedom on the low-energy spectra and E2 transitions of magnesium isotopes are examined.

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  • Received 6 June 2010

DOI:https://doi.org/10.1103/PhysRevC.83.014308

© 2011 American Physical Society

Authors & Affiliations

J. M. Yao1, H. Mei1, H. Chen1, J. Meng2,3,4, P. Ring5, and D. Vretenar6

  • 1School of Physical Science and Technology, Southwest University, Chongqing 400715, China
  • 2State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
  • 3School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China
  • 4Department of Physics, University of Stellenbosch, Stellenbosch, South Africa
  • 5Physik-Department der Technischen Universität München, D-85748 Garching, Germany
  • 6Physics Department, Faculty of Science, University of Zagreb, HR-10000 Zagreb, Croatia

See Also

Configuration mixing of angular-momentum-projected triaxial relativistic mean-field wave functions

J. M. Yao, J. Meng, P. Ring, and D. Vretenar
Phys. Rev. C 81, 044311 (2010)

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Vol. 83, Iss. 1 — January 2011

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