First direct mass-measurement of the two-neutron halo nucleus 6He and improved mass for the four-neutron halo 8He

M. Brodeur, T. Brunner, C. Champagne +11

The first direct mass-measurement of ${}^6$He has been performed with the TITAN Penning trap mass spectrometer at the ISAC facility. In addition, the mass of ${}^8$He was determine…