In-beam γ-Ray Spectroscopy of Level Structure in 134Ba

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LUO Peng1, 2, LIU Min-Liang1, LIU Zhong1, ZHANG Yu-Hu1, ZHOU Xiao-Hong1, GUO Ying-Xiang1, MA Ying-Jun3, Y.Sasaki4, K.Yamada4, H.Ohshima4, S.Yokose4, M.Ishizuka4 and T.Komatsubara<sup. In-beam γ-Ray Spectroscopy of Level Structure in 134Ba[J]. Chinese Physics C, 2004, 28(3): 268-273.
LUO Peng1, 2, LIU Min-Liang1, LIU Zhong1, ZHANG Yu-Hu1, ZHOU Xiao-Hong1, GUO Ying-Xiang1, MA Ying-Jun3, Y.Sasaki4, K.Yamada4, H.Ohshima4, S.Yokose4, M.Ishizuka4 and T.Komatsubara<sup. In-beam γ-Ray Spectroscopy of Level Structure in 134Ba[J]. Chinese Physics C, 2004, 28(3): 268-273. shu
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Received: 2003-07-30
Revised: 1900-01-01
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In-beam γ-Ray Spectroscopy of Level Structure in 134Ba

    Corresponding author: LIU Zhong1,
  • Institute of Modern Physics,The Chinese Academy of Science,Lanzhou 730000,China2 Graduate School of The Chinese Academy of Sciences,Beijing 100039,China3 Jilin University,Changchun 130012,China4 Institute of Physics and Tandem Accelerator Center,University of Tsukuba,Ibaraki 305-006,Japan

Abstract: Excited states of 134Ba, populated up to medium and high spins via the heavy-ion induced 128Te(10B,1p3n)134Ba reaction at 46 MeV beam energy, have been studied using in-beam γ-ray spectroscopy techniques. Nine anti-Compton HPGe detectors were employed for the measurements of γ-γ-t coincidences. Based on the results of the γ-γ coincidence relationships, relative intensities and ADO ratios, a level scheme of 134Ba has been established. Comparing with the systemic features of the negative bands of N=78 isotones, the 11 state at the excitation energy of 4142keV, is analogous to the one in 136Ce.

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