Shape coexistence and isospin symmetry in $A=70$ nuclei: Spectroscopy of the $T_z = -1$ nucleus $^{70}$Kr - Archive ouverte HAL Access content directly
Journal Articles Phys.Lett.B Year : 2018

Shape coexistence and isospin symmetry in $A=70$ nuclei: Spectroscopy of the $T_z = -1$ nucleus $^{70}$Kr

K. Wimmer
T. Arici
P. Doornenbal
  • Function : Author
P. Aguilera
  • Function : Author
A. Algora
  • Function : Author
T. Ando
  • Function : Author
H. Baba
  • Function : Author
A. Boso
  • Function : Author
S. Chen
  • Function : Author
P. Davies
  • Function : Author
G. de Angelis
  • Function : Author
J. Gerl
  • Function : Author
R. Gernhäuser
  • Function : Author
D. Jenkins
  • Function : Author
S. Koyama
  • Function : Author
T. Motobayashi
  • Function : Author
S. Nagamine
  • Function : Author
M. Niikura
D. Lubos
  • Function : Author
B. Rubio
  • Function : Author
E. Sahin
  • Function : Author
T. Saito
H. Sakurai
L. Sinclair
  • Function : Author
D. Steppenbeck
  • Function : Author
R. Taniuchi
R. Wadsworth
  • Function : Author

Abstract

Excited states in the Tz=−1 nucleus 70 Kr have been populated using inelastic scattering of a radioactive 70 Kr beam as well as one- and two-neutron removal reactions from 71,72 Kr at intermediate beam energies. The level scheme of 70 Kr was constructed from the observed γ -ray transitions and coincidences. Tentative spin and parity assignments were made based on comparison with the mirror nucleus 70 Se. A second 2+ state and a candidate for the corresponding 42+ state suggest shape coexistence in 70 Kr.
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hal-01846624 , version 1 (28-04-2021)

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K. Wimmer, W. Korten, T. Arici, P. Doornenbal, P. Aguilera, et al.. Shape coexistence and isospin symmetry in $A=70$ nuclei: Spectroscopy of the $T_z = -1$ nucleus $^{70}$Kr. Phys.Lett.B, 2018, 785, pp.441-446. ⟨10.1016/j.physletb.2018.07.067⟩. ⟨hal-01846624⟩
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