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Chiral bands in 135Nd: The interacting boson-fermion model approach

Abstract : The chiral interpretation of negative-parity twin bands in the odd-A 135Nd nucleus was investigated in the interacting boson-fermion model. The IBFM calculation shows that the dominant role in the formation of the chiral pattern has the exchange interaction, i.e., the antisymmetrization of odd fermions with the fermion structure of the bosons. The structure of the twin bands in 137Nd has also been investigated, concluding that it is determined by shape fluctuations and prolate-oblate coexistence rather than by chirality.
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Contributor : Sophie Heurteau <>
Submitted on : Thursday, October 15, 2009 - 4:43:23 PM
Last modification on : Wednesday, September 16, 2020 - 4:07:54 PM

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S. Brant, C.M. Petrache. Chiral bands in 135Nd: The interacting boson-fermion model approach. Physical Review C, American Physical Society, 2009, 79, pp.054326. ⟨10.1103/PhysRevC.79.054326⟩. ⟨in2p3-00424422⟩



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