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Configuration mixing in the neutron-deficient Pb isotopes
V. Hellemans, S. De Baerdemacker, K. Heyde
In this article we report the results of detailed interacting boson model calculations with configuration mixing for the neutron-deficient Pb isotopes. Calculated energy levels and…
The quadrupole collective model from a Cartan-Weyl perspective
Stijn De Baerdemacker, Kris Heyde, Veerle Hellemans
The matrix elements of the quadrupole variables and canonic conjugate momenta, emerging from collective nuclear models are calculated within a basis. Using a h…
Criticality in the configuration-mixed interacting boson model : (1) mixing
V. Hellemans, P. Van Isacker, S. De Baerdemacker +1
The case of U(5)-- mixing in the configuration-mixed Interacting Boson Model is studied in its mean-field approximation. Phase diagrams with analytical a…
Soft triaxial rotor in the vicinity of and its extensions
L. Fortunato, S. De Baerdemacker, K. Heyde
The collective Bohr hamiltonian is solved for the soft triaxial rotor around with a displaced harmonic oscillator potential in and a Kratzer-like potential in . Th…