Generator coordinate method for hypernuclear spectroscopy with a covariant density functional

H. Mei, K. Hagino, J. M. Yao

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10 Citations (Scopus)

Abstract

We apply the generator coordinate method (GCM) to single-Λ hypernuclei in order to discuss the spectra of hypernuclear low-lying states. To this end, we use the same relativistic point-coupling energy functional both for the mean-field and the beyond-mean-field calculations. This relativistic GCM approach provides a unified description of low-lying states in ordinary nuclei and in hypernuclei, and is thus suitable for studying the Λ impurity effect. We carry out an illustrative calculation for the low-lying spectrum of NeΛ21, in which the interplay between the hypernuclear collective excitations and the single-particle excitations of the unpaired Λ hyperon is taken into account in a full microscopic manner.

Original languageEnglish
Article number011301
JournalPhysical Review C
Volume93
Issue number1
DOIs
Publication statusPublished - 2016 Jan 8
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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