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artículo con referato
"The meaning of S-D dominance"
G.G. Dussel and H.M. Sofia
Phys. Rev. C 72(2) (2005) 024302/1-8
The dominance of S and D pairs in the description of deformed nuclei is one of the facts that provided sustain to the Interacting Boson Approximation. Using an exactly solvable model with a repulsive pairing interaction between bosons it has been shown that the ground state is described almost completely in terms of S and D bosons. In the present paper we study the excited states obtained within this exactly solvable hamiltonian and show that in order to obtain a rotational spectra all the other degrees of freedom are needed.
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