19B isotope as a 17B-n-n three-body cluster close to unitary limit

19B isotope as a 17B-n-n three-body cluster close to unitary limit

We describe 19B in terms of a 17B-n-n three-body system, where the two-body subsystems 17B-n and n-n are unbound (virtual) states close to the unitary limit. The energy of 19 B ground state is well reproduced and two low-lying resonances are predicted. Their eventual link with the Efimov physics is...

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Veröffentlicht in:Journal of physics. Conference series 2020-12, Vol.1643 (1)
Hauptverfasser: Carbonell, J., Hiyama, E., Lazauskas, R., Marqués, F. M.
Format: Artikel
Sprache:eng
Schlagworte:
Physics
Subsystems
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Zusammenfassung:We describe 19B in terms of a 17B-n-n three-body system, where the two-body subsystems 17B-n and n-n are unbound (virtual) states close to the unitary limit. The energy of 19 B ground state is well reproduced and two low-lying resonances are predicted. Their eventual link with the Efimov physics is discussed. This model can be extended to describe the recently discovered resonant states in 20,21B.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1643/1/012120