Strangeness analogue states in 9ΛBe

R. H. Dalitz; A. Gal

doi:10.1016/0003-4916(81)90034-8

Strangeness analogue states in ⁹_ΛBe

R. H. Dalitz^*
, A. Gal

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

The ⁹_ΛBe^* strangeness analogue states (SAS) for ⁹Be (g.s.) are calculated for the configuration ²P_{3 2}[4,1], using a LS basis, a procedure known to be accurate for the nucleus ⁸Be, leading to the prediction of three distinct SAS, a T =0 state at Λ energy 7.7 MeV, and two other states, with T = 0 and T = 1, rather closely degenerate and lying 11.5 MeV higher than the first. The origin of this degeneracy is investigated in detail and these calculations are related with earlier work done within an SU(6) χ (Sakata SU(3)) ⊗ (spin SU(2)) framework. The corresponding supersymmetric state of ⁹_ΛBe^* is also calculated and discussed.

Original language	English
Pages (from-to)	314-355
Number of pages	42
Journal	Annals of Physics
Volume	131
Issue number	2
DOIs	https://doi.org/10.1016/0003-4916(81)90034-8
State	Published - Feb 1981

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title = "Strangeness analogue states in 9ΛBe",

abstract = "The 9ΛBe* strangeness analogue states (SAS) for 9Be (g.s.) are calculated for the configuration 2P 3 2[4,1], using a LS basis, a procedure known to be accurate for the nucleus 8Be, leading to the prediction of three distinct SAS, a T =0 state at Λ energy 7.7 MeV, and two other states, with T = 0 and T = 1, rather closely degenerate and lying 11.5 MeV higher than the first. The origin of this degeneracy is investigated in detail and these calculations are related with earlier work done within an SU(6) χ (Sakata SU(3)) ⊗ (spin SU(2)) framework. The corresponding supersymmetric state of 9ΛBe* is also calculated and discussed.",

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AU - Dalitz, R. H.

AU - Gal, A.

PY - 1981/2

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N2 - The 9ΛBe* strangeness analogue states (SAS) for 9Be (g.s.) are calculated for the configuration 2P 3 2[4,1], using a LS basis, a procedure known to be accurate for the nucleus 8Be, leading to the prediction of three distinct SAS, a T =0 state at Λ energy 7.7 MeV, and two other states, with T = 0 and T = 1, rather closely degenerate and lying 11.5 MeV higher than the first. The origin of this degeneracy is investigated in detail and these calculations are related with earlier work done within an SU(6) χ (Sakata SU(3)) ⊗ (spin SU(2)) framework. The corresponding supersymmetric state of 9ΛBe* is also calculated and discussed.

AB - The 9ΛBe* strangeness analogue states (SAS) for 9Be (g.s.) are calculated for the configuration 2P 3 2[4,1], using a LS basis, a procedure known to be accurate for the nucleus 8Be, leading to the prediction of three distinct SAS, a T =0 state at Λ energy 7.7 MeV, and two other states, with T = 0 and T = 1, rather closely degenerate and lying 11.5 MeV higher than the first. The origin of this degeneracy is investigated in detail and these calculations are related with earlier work done within an SU(6) χ (Sakata SU(3)) ⊗ (spin SU(2)) framework. The corresponding supersymmetric state of 9ΛBe* is also calculated and discussed.

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JO - Annals of Physics

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Strangeness analogue states in ⁹_ΛBe

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