File:PhysRevLett.124.042503.pdf
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Evolution of Octupole Deformation in Radium Nuclei from Coulomb Excitation of Radioactive 222Ra and 228Ra Beams
Summary[edit]
| Description |
English: There is sparse direct experimental evidence that atomic nuclei can exhibit stable “pear” shapes arising from strong octupole correlations. In order to investigate the nature of octupole collectivity in radium isotopes, electric octupole (E3) matrix elements have been determined for transitions in 222,228Ra nuclei using the method of sub-barrier, multistep Coulomb excitation. Beams of the radioactive radium isotopes were provided by the HIE-ISOLDE facility at CERN. The observed pattern of E3 matrix elements for different nuclear transitions is explained by describing 222Ra as pear shaped with stable octupole deformation, while 228Ra behaves like an octupole vibrator. |
| Date | |
| Source |
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.124.042503 https://doi.org/10.1103/PhysRevLett.124.042503 |
| Author | P. A. Butler et al. |
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| current | 12:34, 21 February 2020 |  | 1,275 × 1,650, 6 pages (343 KB) | Pamputt (talk | contribs) | User created page with UploadWizard |
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