The Possibility of Forming Bound State of η-Mesic Nucleus

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Liu Jifeng, Shen Jianping and Li Guanglie. The Possibility of Forming Bound State of η-Mesic Nucleus[J]. Chinese Physics C, 1991, 15(S1): 43-50.
Liu Jifeng, Shen Jianping and Li Guanglie. The Possibility of Forming Bound State of η-Mesic Nucleus[J]. Chinese Physics C, 1991, 15(S1): 43-50. shu
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Received: 1990-03-30
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    Supported in part by the National Natural Science Foundation of China.

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The Possibility of Forming Bound State of η-Mesic Nucleus

  • 1 Department of Physics, Guangxi Normal University, Guilin, Guangxi, China;
  • 2 Institute of High Energy Physics, the Chinese Academy of Sciences, Beijing, China
Fund Project:  Supported in part by the National Natural Science Foundation of China.

Abstract: The formation of the bound state of the η-mesic-aucleus is investigated by the standard Green's function method used in the many-body problem. It is found that when parameters, coupling constants and harmonic oscillator potentials are chosen in the physical range, due to the attractive nature of the ηNN*(l/2, 1/2-) interaction the η-16O bound state can possibly be formed. However, detecting such a bound state would be difficult, because its width Γ is larger than the binding energy of η in 16Oη.

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