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Light $\Lambda$ hypernuclei studied with chiral hyperon-nucleon and hyperon-nucleon-nucleon forces

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arxiv 2409.18577 v1 pith:S3DOQQPF submitted 2024-09-27 nucl-th

classification nucl-th
keywords lambdamathrmchiralforceshypernucleilightthree-bodyaccount
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abstract

A study of light $\Lambda$ hypernuclei in chiral effective field theory is presented. For the first time chiral $\Lambda$NN and $\Sigma$NN three-body forces are included consistently. The calculations are performed within the no-core shell model. Results for the separation energies of the hypernuclei $^3_{\Lambda}\mathrm{H}$, $^4_{\Lambda}\mathrm{H}$/$^4_{\Lambda}\mathrm{He}$, $^5_{\Lambda}\mathrm{He}$, and $^7_{\Lambda}\mathrm{Li}$ are given. It is found that the experimental values can be fairly well reproduced once YNN three-body forces are taken into account.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Hypernuclei with Neural Network Quantum States

    nucl-th 2025-07 conditional novelty 6.0 of 10

    Neural network quantum states, extended to include Lambda hyperons, reproduce hypernuclear separation energies to within roughly 9% and predict the observed proton-radius shrinkage in 7ΛLi.

  2. Wigner Phase-Space Densities of Nuclear Clusters and Hypernuclei

    nucl-th 2025-08 reject novelty 4.0 of 10

    The authors calculate Wigner phase-space densities for clusters from deuteron to double-Lambda hyperhelium using hyperspherical-harmonic solutions of the Schrödinger equation.

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