Low-lying states and isospin excitation in the Ge isotopes

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Falih H. Al-Khudair. Low-lying states and isospin excitation in the Ge isotopes[J]. Chinese Physics C, 2009, 33(7): 538-546. doi: 10.1088/1674-1137/33/7/007
Falih H. Al-Khudair. Low-lying states and isospin excitation in the Ge isotopes[J]. Chinese Physics C, 2009, 33(7): 538-546.  doi: 10.1088/1674-1137/33/7/007 shu
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Received: 2008-10-23
Revised: 2009-02-23
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Low-lying states and isospin excitation in the Ge isotopes

    Corresponding author: Falih H. Al-Khudair,
  • Department of Physics, Tsinghua University, Beijing 100084, China; Center of Nuclear Theory, Lanzhou Heavy Ion National Laboratory, Lanzhou 730000, China; Department of Physics, College of Education, Basrah University, Basrah, Iraq

Abstract: 

The level structure of 64-70Ge isotopes has been studied within the framework of the interacting boson model-3 (IBM-3). The symmetry character in the proton and neutron degrees of freedom of the energy levels has been investigated. The isospin excitation states (T>Tz) have been assigned for the 64Ge (N=Z) nucleus. Some intruder states in these nuclei have been suggested. The calculated energy levels and transition probabilities are in good agreement with recent experimental data. The study indicates that the Ge isotopes are in transition from γ-unstable to vibrational.

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