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A study of light Λ hypernuclei in chiral effective field theory is presented. For the first time, chiral ΛNN and ΣNN three-body forces are included consistently. The calculations are performed within the no-core shell model. Results for the separation energies of the hypernuclei ⏚^3H, ⏚^4H/⏚^4He, ⏚^5He, and ⏚^7Li are given. It is found that the experimental values can be fairly well reproduced once hyperon-nucleon-nucleon three-body forces are taken into account.
Le et al. (Wed,) studied this question.