$ΛNN$ content of $Λ$-nucleus potential

A minimally constructed $Λ$-nucleus density-dependent optical potential is used to calculate binding energies of observed $1s_Λ$, $1p_Λ$ states across the periodic table, leading to a repulsive $ΛNN$ contribution $D_Λ^{(3)}\approx 14$ MeV to the phenomenological $Λ$-nucleus potential depth $D_Λ\approx -30$ MeV. This value is significant in connection with the so-called 'hyperon puzzle'.

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