Triaxiality near the $^{110}$Ru ground state from Coulomb excitation - CEA - Commissariat à l’énergie atomique et aux énergies alternatives Access content directly
Journal Articles Physics Letters B Year : 2017

Triaxiality near the $^{110}$Ru ground state from Coulomb excitation

S. Zhu
H.L. Crawford
  • Function : Author
M. David
J. Delaroche
  • Function : Author
M. Girod
  • Function : Author
J. Libert
  • Function : Author
J. Srebrny
  • Function : Author


A multi-step Coulomb excitation measurement with the GRETINA and CHICO2 detector arrays was carried out with a 430-MeV beam of the neutron-rich $^{110}$Ru (t$_{1/2}$= 12 s) isotope produced at the CARIBU facility. This represents the first successful measurement following the post-acceleration of an unstable isotope of a refractory element. The reduced transition probabilities obtained for levels near the ground state provide strong evidence for a triaxial shape; a conclusion confirmed by comparisons with the results of beyond-mean-field and triaxial rotor model calculations.
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Dates and versions

cea-01538529 , version 1 (13-06-2017)



D. Doherty, J. Allmond, R. Janssens, W. Korten, S. Zhu, et al.. Triaxiality near the $^{110}$Ru ground state from Coulomb excitation. Physics Letters B, 2017, 766, pp.334 - 338. ⟨10.1016/j.physletb.2017.01.031⟩. ⟨cea-01538529⟩
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