publication . Article . Preprint . 1995

$A$--Dependence of $\Lambda\Lambda$ Bond Energies in Double---$\Lambda$ Hypernuclei

Lanskoy, D. E.; Lurie, Yu. A.; Shirokov, A. M.;
Open Access
  • Published: 04 Nov 1995 Journal: Zeitschrift für Physik A Hadrons and Nuclei, volume 357, pages 95-100 (issn: 0939-7922, eissn: 1431-5831, Copyright policy)
  • Publisher: Springer Science and Business Media LLC
Abstract
The $A$-dependence of the bond energy $\Delta B_{\Lambda\Lambda}$ of the ${\Lambda\Lambda}$ hypernuclear ground states is calculated in a three-body ${\Lambda + \Lambda + {^{A}Z}}$ model and in the Skyrme-Hartree-Fock approach. Various ${\Lambda\Lambda}$ and $\Lambda$-nucleus or ${\Lambda N}$ potentials are used and the sensitivity of $\Delta B_{\Lambda\Lambda}$ to the interactions is discussed. It is shown that in medium and heavy ${\Lambda\Lambda}$ hypernuclei, $\Delta B_{\Lambda\Lambda}$ is a linear function of $r_{\Lambda}^{-3}$, where $r_\Lambda$ is rms radius of the hyperon orbital. It looks unlikely that it will be possible to extract ${\Lambda\Lambda}$ i...
Subjects
arXiv: Nuclear Experiment
free text keywords: Nuclear and High Energy Physics, Bond energy, Hyperon, Lambda, Particle physics, Physics, Nuclear Theory
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