Double $\Lambda$ and the $\Lambda -\Lambda$ Interaction

J. Caro, C. García-Recio, J. M. Nieves

The $\Lambda$-$\Lambda$ effective interaction, in the channel $L=S=0$, in the nuclear medium is fitted to the available binding energies, $B_{\Lambda \Lambda }$, of double $\Lambda$ hypernuclei: ${}_{\Lambda \Lambda }^6$He, $^…