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Quadrupole–octupole shape and dynamics of \(^{222}\)Ra

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A Publisher Erratum to this article was published on 08 November 2023

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Abstract

The collective states of \(^{222}\)Ra are used as input for a phenomenological model based on an axial quadrupole–octupole Bohr Hamiltonian, to determine its shape and the nature of the excited band. The later is interpreted by two competing excitation mechanisms for which distinguishing spectral signatures are forwarded. The ground state is found to have a well stabilized equilibrium quadrupole–octupole deformation. Its corresponding shape is correlated with a molecular state encountered along the disintegration path predicted within a microscopic–macroscopic model.

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Data availability statement

This manuscript has no associated data or the data will not be deposited. [Authors’ comment: Data sets generated during the current study are available from the corresponding author on reasonable request.]

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Acknowledgements

This work was supported by grants of the Ministry of Research, Innovation and Digitalization, CNCS-UEFISCDI, project number PN-III-P1-1.1-TE-2021-0109, within PNCDI III, and PN-23-21-01-01/2023.

Author information

Authors and Affiliations

  1. “Horia Hulubei” National Institute for R &D in Physics and Nuclear Engineering, Str. Reactorului 30, POB-MG6, 077125, Bucharest-Mǎgurele, Romania

    R. Budaca, P. Buganu & A. I. Budaca

  2. Academy of Romanian Scientists, Splaiul Independen¸tei 54, 050044, Bucharest, Romania

    R. Budaca

Authors
  1. R. Budaca
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  2. P. Buganu
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  3. A. I. Budaca
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Correspondence to R. Budaca.

Additional information

Communicated by Dario Vretenar.

The first affiliation details for all authors were incorrectly given as ’ “Horia Hulubei” National Institute for R & D in Physics, Str. Reactorului 30, POB-MG6, 077125 Bucharest-Mǎgurele, Romania’ but should have been ’“Horia Hulubei” National Institute for R & D in Physics and Nuclear Engineering, Str. Reactorului 30, POB-MG6, 077125 Bucharest-Mǎgurele, Romania’.

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Budaca, R., Buganu, P. & Budaca, A.I. Quadrupole–octupole shape and dynamics of \(^{222}\)Ra. Eur. Phys. J. A 59, 242 (2023). https://doi.org/10.1140/epja/s10050-023-01163-9

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