Abstract
TheN=126 isotones with 208 ≦A ≦ 215 have been studied with the shell-model including configuration mixing. Two different interactions have been employed: the schematic surface delta interaction and the realistic Kuo-Herling interaction. The energy spectra,B(E2)-values andg-factors are well reproduced with effective operators. Calculations on theg-factors of209Bi in a more extended model space show that the anomalous spin contribution to the dipole moment cannot be attributed fully to one-particle-one-hole excitations.
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This work was performed as part of the research program of the “Stichting voor Fundamenteel Onderzoek der Materie” (FOM) with financial support from the “Nederlandse Organisatie voor Zuiver-Wetenschappelijk Onderzoek” (ZWO).
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Zwarts, D., Glaudemans, P.W.M. On the structure of N=126 isotones. Z Physik A 320, 487–493 (1985). https://doi.org/10.1007/BF01415727
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DOI: https://doi.org/10.1007/BF01415727