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Reduced probabilities for E2 transitions between excited collective states of triaxial even–even nuclei

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  • Theory
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Abstract

Reduced probabilities for intra- and interband E2 transitions in excited collective states of even–even lanthanide and actinide nuclei are analyzed on the basis of a model that admits an arbitrary triaxiality. They are studied in detail in the energy spectra of 154Sm, 156Gd, 158Dy, 162,164Er, 230,232Th, and 232,234,236,238U even–even nuclei. Theoretical and experimental values of the reduced probabilities for the respective E2 transitions are compared. This comparison shows good agreement for all states, including high-spin ones. The ratios of the reduced probabilities for the E2 transitions in question are compared with results following from the Alaga rules. These comparisons make it possible to assess the sensitivity of the probabilities being considered to the presence of quadrupole deformations.

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Authors and Affiliations

  1. Institute of Nuclear Physics, Uzbek Academy of Sciences, pos. Ulughbek, Tashkent, 100214, Republic of Uzbekistan

    M. S. Nadyrbekov & O. A. Bozarov

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  1. M. S. Nadyrbekov
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  2. O. A. Bozarov
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Correspondence to M. S. Nadyrbekov.

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Original Russian Text © M.S. Nadyrbekov, O.A. Bozarov, 2017, published in Yadernaya Fizika, 2017, Vol. 80, No. 1, pp. 48–62.

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Nadyrbekov, M.S., Bozarov, O.A. Reduced probabilities for E2 transitions between excited collective states of triaxial even–even nuclei. Phys. Atom. Nuclei 80, 46–59 (2017). https://doi.org/10.1134/S1063778816050148

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