Bree, N, Wrzosek-Lipska, K, Petts, A, Andreyev, A, Bastin, B, Bender, M, Blazhev, A, Bruyneel, B, Butler, PA, Butterworth, J et al (show 60 more authors)
(2014)
Shape Coexistence in the Neutron- Deficient Even-Even Hg182-188 Isotopes Studied via Coulomb Excitation.
Physical Review Letters, 112 (16).
162701-.
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Abstract
Coulomb-excitation experiments to study electromagnetic properties of radioactive even-even Hg isotopes were performed with 2.85 MeV / nucleon mercury beams from REX-ISOLDE. Magnitudes and relative signs of the reduced E 2 matrix elements that couple the ground state and low-lying excited states in 182 − 188 Hg were extracted. Information on the deformation of the ground and the first excited 0 + states was deduced using the quadrupole sum rules approach. Results show that the ground state is slightly deformed and of oblate nature, while a larger deformation for the excited 0 + state was noted in 182 , 184 Hg . The results are compared to beyond mean field and interacting-boson based models and interpreted within a two-state mixing model. Partial agreement with the model calculations was obtained. The presence of two different structures in the light even-mass mercury isotopes that coexist at low excitation energy is firmly established.
| Item Type: | Article |
|---|---|
| Additional Information: | Ag3nj Times Cited:0 Cited References Count:37## TULIP Type: Articles/Papers (Journal) ## official_url: <Go to ISI>://000335325900004 |
| Uncontrolled Keywords: | rex-isolde, nuclei, states, intruder, moments, hg-186, pb |
| Depositing User: | Symplectic Admin |
| Date Deposited: | 14 Jan 2020 11:35 |
| Last Modified: | 19 Jan 2023 00:09 |
| DOI: | 10.1103/Physrevlett.112.162701 |
| Related URLs: | |
| URI: | https://livrepository.liverpool.ac.uk/id/eprint/3070618 |
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