The European Physical Journal A

, Volume 32, Issue 2, pp 149–158 | Cite as

Decay of 1.643 h 95Ru and its daughter's level structure

  • Shen Shuifa
  • Fang Keming
  • Gu Jiahui
  • Liu Qingcheng
  • Xu Furong
Regular Article - Nuclear Structure and Reactions


The decay of 95Ru has been investigated by means of γ-ray spectroscopy. The 95Ru nuclei were produced by the reaction 92Mo( α, n) 95Ru at a beam energy of 17MeV. High-purity Ge detectors have been used singly and in coincidence to study γ-rays in the decay of 95Ru to 95Tc. 132 γ-rays are reported, among them, energies and intensities for 127 transitions have been determined. A decay scheme of 95Ru with 31 levels is proposed which accommodates 127 of these transitions. Spins and parities for three new levels are proposed from calculated log ft values, measured γ-ray branching ratios, and in-beam experiment results of the daughter nucleus 95Tc. Combining with the high-spin states observed by in-beam γ-ray spectroscopy of previous decay works, the structure of the excited states of 95Tc is discussed in the framework of the projected shell model.


23.20.Lv γ transitions and level energies 27.60.+j 90≤A≤149 21.60.Cs Shell model 


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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2007

Authors and Affiliations

  • Shen Shuifa
    • 1
    • 2
    • 3
  • Fang Keming
    • 4
  • Gu Jiahui
    • 4
  • Liu Qingcheng
    • 2
  • Xu Furong
    • 1
  1. 1.School of PhysicsPeking UniversityBeijingPRC
  2. 2.School of Nuclear Engineering and TechnologyEast China Institute of TechnologyJiangxiPRC
  3. 3.CCAST (World Lab.)BeijingPRC
  4. 4.Shanghai Institute of Applied PhysicsThe Chinese Academy of SciencesShanghaiPRC

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