The Binding Mechanism and a Low-Lying Resonance in 11Li | Zendy

Shinnosuke Aoyama | Zendy; K. Kato | Zendy; Takayuki Myo | Zendy; K. Ikeda | Zendy

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The Binding Mechanism and a Low-Lying Resonance in 11Li

Author(s) -

Shinnosuke Aoyama,

K. Kato,

Takayuki Myo,

K. Ikeda

Publication year - 2002

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.107.543

Subject(s) - physics , excited state , atomic physics , excitation , ground state , degeneracy (biology) , core (optical fiber) , quantum mechanics , optics , bioinformatics , biology

Using a new 9 Li-n interaction taking into account the 9 Li-core excitation, it is shown that the 9 Li+n+n model reproduces the observed binding energy of 11 Li. This 9 Li-n interaction naturally explains the degeneracy of single particle s1/2- and p1/2-orbital states above the 9 Li+n threshold. Furthermore, by using the 9 Li-n interaction, a low-lying excited resonant state is obtained in 11 Li together with the ground state, and they are found to be partners in mixed configurations of (0p1/2) 2 and (1s1/2) 2 .

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