Studies of hypernuclei by associated production

Abstract

Until recently, the spectroscopy of A-hypernuclei has been studied by use of the well-known, strangeness-exchanging (K,n) reactions. These reactions are typically characterized by small momentum transfer, q < qp, where qp is the Fermi momentum. They populate preferentially states of low angular momentum and are effective in producing "substitutior.al states" in which the A has the same orbital as the neutron it replaces (AL=0).

Hypernuclear structure with the Nijmegen ESC08 potentials

“…energies e i (i = 1s, 1p, 1d, 1f, 1g) of various single-hypernuclei, for which experimental results are available [27,28]. Figure 3 (top panel) compares the values obtained with the different potentials.…”

“…Recent experimental results [15] [27,28] comprises the complete set of S = −2 YY interactions, and it is therefore of interest to examine its predictions for doublehypernuclei, while the NSC89 model without YY interaction serves for a reference calculation.…”

Hypernuclei with a Microscopic Lambda-Nucleon Force

“…The most significant results are the Λ single-particle energies e i Λ (i = 1s, 1p, 1d, 1 f ) of various single-Λ hypernuclei, for which experimental results are available [7]. Fig.…”

“…It is therefore useful to employ these potentials for microscopical calculations of hypernuclear structure, and to confront their predictions with experimental data, in particular on singleparticle levels of single-Λ hypernuclei, for which quite detailed experimental information exists [7] and will be looked for in the coming experiments.…”

Hyperspherical Three Body Calculations For The Exotic  6 He Hypernucleus

“…Such information is crucial for understanding the properties of multi strange hyper nuclei .The single  hyper nuclei ( which consists of  hyperons coupled to a core nucleus) have been extensively studied and investigated due to the existence of many experimental data for various single  hyper nuclei over almost the whole mass table [1]- [3]. However the situation is different in the case of double  hyper nuclei where only three spices of double  hyper nuclei  6 He and  10 Be,  13 B have been experimentally discovered and identified [4]- [8].…”