A two-neutron halo is unveiled in ${}^{29}$F

S. Bagchi, R. Kanungo, Y. K. Tanaka +44

We report the measurement of reaction cross sections (${\sigma }_R^{\mathrm{ex}}$) of ${}^{27,29}$F with a carbon target at RIKEN. The unexpectedly large ${\sigma }_R^{\mathrm{ex}}$ and derived matter radius…