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The double-Λ hypernucleus 11ΛΛ Be

  • Nuclei
  • Theory
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Abstract

The ground-state energy of the double-Λ hypernucleus 11ΛΛ Be is calculated within the frame-work of the five-body model ααnΛΛ. The five-body nucleus is described using the Faddeev formalism for the unequal mass clusters involved and the potential harmonics expansion of the corresponding amplitudes. The resulting coupled differential equations depend only on the inter-cluster interactions, ΛΛ, Λn, Λα, nα, and αα, which are fairly well known from previous investigations of hypernuclei. The results obtained are in excellent agreement with the recent KEK-E373 experiment as well as with the theoretical results obtained within the Gaussian expansionmethod by Hiyama et al. The ΛΛnn double hypernucleus is also discussed.

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Author notes

  1. R. M. Adam

    Present address: Nuclear Division, Aveng Group, Morningside, South Africa

Authors and Affiliations

  1. Department of Physics, University of South Africa, Pretoria, South Africa

    M. L. Lekala, G. J. Rampho, R. M. Adam & S. A. Sofianos

  2. Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Physics, Dubna, Russia

    V. B. Belyaev

Authors
  1. M. L. Lekala
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  2. G. J. Rampho
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  3. R. M. Adam
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  4. S. A. Sofianos
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  5. V. B. Belyaev
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Corresponding author

Correspondence to M. L. Lekala.

Additional information

The first four authors cordially dedicate this paper to their friend, colleague, and collaborator Vladimir B. Belyaev on the occasion of his 80th birthday

The text was submitted by the authors in English.

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Lekala, M.L., Rampho, G.J., Adam, R.M. et al. The double-Λ hypernucleus 11ΛΛ Be. Phys. Atom. Nuclei 77, 472–478 (2014). https://doi.org/10.1134/S1063778814040048

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  • DOI: https://doi.org/10.1134/S1063778814040048

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