Nature of the scissors mode in nuclei near shell closure: The tellurium isotope chain
Özet
Abstract
Quasiparticle random-phase approximation calculations, where rotational, translational and Galilean invariance are restored
selfconsistently by using separable effective forces, are presented for the ground state dipole response in the even-mass
isotopes 122−130Te. The simultaneous description of E1 and M1 transitions permits a direct comparison with nuclear resonance
fluorescence experiments. The extracted properties of the scissors mode reveal a considerable complexity in these near closedshell nuclei: neither approaches successful in deformed nuclei nor a two-phonon picture suggested near shell closures nor the
interacting boson model can fully account for the data.
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