Three- and four-body structure of S = -2 hypernuclei

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Abstract

Energy levels of the double-Λ hypernuclei, ΛΛ7He,ΛΛ 7Li,ΛΛ8Li, ΛΛ9Li,ΛΛ 9Be and ΛΛ10Be are discussed. Interactions between the constituent particles are determined so as to reproduce reasonably the observed low-energy properties of the α + x nuclei, x + Λ, α + x + Λ and α + Λ + Λ systems. With no adjustable parameters for the α + x + Λ + Λ system, BΛΛ of ground and bound excited states of the double-Λ hypernuclei with A = 7-10 are calculated using Gaussian Expansion Method. Furthermore, the four-body caluclation of ΛΛ4H and NNNΞ were peformed. The ΛΛ - ΞN coupling was very important in making ΛΛ4H bound.

Original languageEnglish
Title of host publicationNUCLEAR PHYSICS TRENDS
Subtitle of host publication6th China-Japan Joint Nuclear Physics Symposium
Pages194-199
Number of pages6
DOIs
Publication statusPublished - Dec 1 2006
Externally publishedYes
EventNUCLEAR PHYSICS TRENDS: 6th China-Japan Joint Nuclear Physics Symposium - Shanghai, China
Duration: May 16 2006May 20 2006

Publication series

NameAIP Conference Proceedings
Volume865
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

OtherNUCLEAR PHYSICS TRENDS: 6th China-Japan Joint Nuclear Physics Symposium
CountryChina
CityShanghai
Period5/16/065/20/06

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Hiyama, E. (2006). Three- and four-body structure of S = -2 hypernuclei. In NUCLEAR PHYSICS TRENDS: 6th China-Japan Joint Nuclear Physics Symposium (pp. 194-199). (AIP Conference Proceedings; Vol. 865). https://doi.org/10.1063/1.2398849