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Triaxiality near the 110Ru ground state from Coulomb excitation

  • Author(s): Doherty, DT
  • Allmond, JM
  • Janssens, RVF
  • Korten, W
  • Zhu, S
  • Zielińska, M
  • Radford, DC
  • Ayangeakaa, AD
  • Bucher, B
  • Batchelder, JC
  • Beausang, CW
  • Campbell, C
  • Carpenter, MP
  • Cline, D
  • Crawford, HL
  • David, HM
  • Delaroche, JP
  • Dickerson, C
  • Fallon, P
  • Galindo-Uribarri, A
  • Kondev, FG
  • Harker, JL
  • Hayes, AB
  • Hendricks, M
  • Humby, P
  • Girod, M
  • Gross, CJ
  • Klintefjord, M
  • Kolos, K
  • Lane, GJ
  • Lauritsen, T
  • Libert, J
  • Macchiavelli, AO
  • Napiorkowski, PJ
  • Padilla-Rodal, E
  • Pardo, RC
  • Reviol, W
  • Sarantites, DG
  • Savard, G
  • Seweryniak, D
  • Srebrny, J
  • Varner, R
  • Vondrasek, R
  • Wiens, A
  • Wilson, E
  • Wood, JL
  • Wu, CY
  • et al.
Abstract

© 2017 The Authors 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 110Ru (t1/2=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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