R-Matrix study of the β+decay of 8B to the highly excited states of 8BeD. Fernandez Ruiz, S. Viñals, O. Tengblad, M.J.G. Borge, H.O.U. Fynbo, K. Riisager and E. NácherEPJ Web of Conf., 290 (2023) 02008DOI: https://doi.org/10.1051/epjconf/202329002008