Photoproduction of Typical Hypernuclei

Motoba, T.

doi:10.7566/jpscp.17.011003

Cited by 5 publications

(2 citation statements)

References 43 publications

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“…Note that especially for E01-011 kinematics with very small Q 2 , given in Table V, the cross section is dominated by the transverse contributions and therefore photoproduction calculations [26,64] are justified. Here, for the photon lab energy 1.5 GeV, the SLA model gives larger elementary cross sections than BS3 (see Fig.…”

Section: Hall C Datamentioning

confidence: 99%

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High-resolution hypernuclear spectroscopy at Jefferson Lab, Hall A

Garibaldi,

Acha,

Ambrozewicz

et al. 2018

Preprint

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Section: Hall C Datamentioning

confidence: 99%

“…16 exist and can mix with the p 7 p Λ states and aquire some formation strength. These two types of states are both 1hω states and one must eliminate spurious linear combinations from the full 1hω shell-model basis [64] and this, by itself, enforces mixtures of the s Λ and p Λ states.…”

Section: Hall C Datamentioning

confidence: 99%

High-resolution hypernuclear spectroscopy at Jefferson Lab, Hall A

Garibaldi,

Acha,

Ambrozewicz

et al. 2018

Preprint

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Simple model for a study of Λ hypernuclei in medium and heavy mass regions

et al. 2023

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We propose a simple and versatile model of Λ hypernuclei in the medium and heavy mass regions to obtain their low-lying energy levels and electromagnetic transitions. In this model we treat the inert core nucleus as a simple indivisible union of nucleons and its properties are taken from the experimental data. The interaction of the core nucleus and the Λ particle is assumed to be weak and treated perturbatively. We study medium and heavy Λ hypernuclei, 51ΛV, 52ΛV, 89ΛY, 139ΛLa, and 208ΛPb. To check its applicability for a lighter hypernucleus, we apply the model to 19ΛF, where γ-ray transitions are experimentally observed. The present study demonstrates that the low-lying excited states of the core nucleus below 2 MeV in addition to the ground state of the core nucleus should be included in the calculations for the spectra and electromagnetic transitions in the low-lying states of the Λ hypernuclei. This model helps us to theoretically study those medium and heavy hypernuclei where large-scale shell-model studies are intractable to carry out.

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Low-lying level structure of Λ hypernuclei and spin dependence of the ΛN interaction with antisymmetrized molecular dynamics

2020

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ΛN spin-spin and spin-orbit splittings in low-lying excitation spectra are investigated for p-shell Λ hypernuclei on the basis of the microscopic structure calculation within the antisymmetrized molecular dynamics, where the ΛN G-matrix interaction derived from the baryon-baryon interaction model ESC (extended soft core) is used. It is found that the ground-state spin-parity is systematically reproduced in the p-shell Λ hypernuclei by tuning the ΛN spin-spin and spin-orbit interactions so as to reproduce the experimental data of 4 Λ H, 7 Λ Li and 9 Λ Be. Furthermore, we also focus on the excitation energies of the excited doublets as well as the energy shifts of them by the addition of a Λ particle.

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Photoproduction of Typical Hypernuclei

Cited by 5 publications

References 43 publications

High-resolution hypernuclear spectroscopy at Jefferson Lab, Hall A

High-resolution hypernuclear spectroscopy at Jefferson Lab, Hall A

Simple model for a study of Λ hypernuclei in medium and heavy mass regions

Low-lying level structure of Λ hypernuclei and spin dependence of the ΛN interaction with antisymmetrized molecular dynamics

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