Shape coexistence and isospin symmetry in A = 70 nuclei: Spectroscopy of the Tz = −1 nucleus 70Kr
- K. Wimmer
- W. Korten
- T. Arici
- P. Doornenbal
- P. Aguilera
- A. Algora
- T. Ando
- H. Baba
- B. Blank
- A. Boso
- S. Chen
- A. Corsi
- P. Davies
- G. de Angelis
- G. de France
- D.T. Doherty
- J. Gerl
- R. Gernhäuser
- D. Jenkins
- S. Koyama
- T. Motobayashi
- S. Nagamine
- M. Niikura
- A. Obertelli
- D. Lubos
- B. Rubio
- E. Sahin
- T.Y. Saito
- H. Sakurai
- L. Sinclair
- D. Steppenbeck
- R. Taniuchi
- R. Wadsworth
- M. Zielinska
Publication date
October 2018
DOI Publisher
Elsevier BV Journal
Physics Letters BAbstract
Excited states in the Tz=−1 nucleus 70Kr have been populated using inelastic scattering of a radioactive 70Kr beam as well as one- and two-neutron removal reactions from 71,72Kr at intermediate beam energies. The level scheme of 70Kr was constructed from the observed γ-ray transitions and coincidences. Tentative spin and parity assignments were made based on comparison with the mirror nucleus 70Se. A second 2+ state and a candidate for the corresponding 42+ state suggest shape coexistence in 70Kr. Keywords: Radioactive beams, Gamma-ray spectroscopy, Mirror symmetry, Shape coexistenc
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