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On deexcitation of β-and γ-rotational bands in nonspherical even-even nuclei

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Abstract

New possibilities for phonon-structure investigations in even-even nonspherical nuclei have been found. The multipole-mixing parameters δ for E2 + M1 transitions from β-and γ-rotational bands to ground-state rotational band are used. The new possibilities are based on the relationship of the negative sign of δ with negative magnetic momentum of some neutron Nilsson states, invariability of δ sign for γ transitions between rotational bands, and enlarged probabilities for M1 transitions only in the presence of certain two-quasiparticle configurations in initial and final states.

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Authors and Affiliations

  1. Russian Research Centre Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russia

    A. M. Demidov, L. I. Govor, V. A. Kurkin & I. V. Mikhailov

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  1. A. M. Demidov
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  2. L. I. Govor
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  3. V. A. Kurkin
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  4. I. V. Mikhailov
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Demidov, A.M., Govor, L.I., Kurkin, V.A. et al. On deexcitation of β-and γ-rotational bands in nonspherical even-even nuclei. Phys. Atom. Nuclei 69, 1173–1182 (2006). https://doi.org/10.1134/S1063778806070131

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  • DOI: https://doi.org/10.1134/S1063778806070131

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