Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2010-06-08
Phys.Rev.C83:014308,2011
Physics
Nuclear Physics
Nuclear Theory
28 pages, 11 figures and 1 table
Scientific paper
10.1103/PhysRevC.83.014308
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 $^{20-40}$Mg. Results obtained using a relativistic point-coupling nucleon-nucleon effective interaction in the particle-hole channel, and a density-independent $\delta$-interaction in the pairing channel, are compared to data and with previous axial 1DAMP+GCM calculations, both with a relativistic density functional and the non-relativistic 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.
Chen Haibin
Mei Hsien-Hao
Meng Jie
Ring Peter
Vretenar Dario
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