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Effect of Lambda particle phonon coupling on the energy spectra of He-5(Lambda) and O-17(Lambda)
- 1.0525376 - ÚJF 2021 RIV PL eng J - Článek v odborném periodiku
Pokorný, J. - De Gregorio, G. - Knapp, F. - Lo Iudice, N. - Veselý, Petr
Effect of Lambda particle phonon coupling on the energy spectra of He-5(Lambda) and O-17(Lambda).
Acta physica Polonica. B. Roč. 51, č. 3 (2020), s. 617-622. ISSN 0587-4254. E-ISSN 1509-5770.
[XXXVI. Mazurian Lakes Conference on Physics. Piaski, 01.09.2019-07.09.2019]
Grant CEP: GA ČR GA19-19640S
Institucionální podpora: RVO:61389005
Klíčová slova: energy spectra * hypernuclei * phonon coupling
Obor OECD: Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)
Impakt faktor: 0.748, rok: 2020
Způsob publikování: Open access
https://doi.org/10.5506/APhysPolB.51.617
The energy spectra of the hypernuclei Lambda-He-5 and Lambda-O-17 were studied within a multiphonon scheme, where the Lambda particle is coupled to particle-hole Tamm-Dancoff phonons describing the excitations of the core. A chiral interaction was used. The calculations show that the core excitations push considerably, through their coupling, the Hartree-Fock energies down in energy and enrich the low-energy spectrum in Lambda-O-17.
Trvalý link: http://hdl.handle.net/11104/0309532
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