Measurement of proton-distribution radii of neutron-rich nitrogen isotopes Soumya Bagchi, Rituparna Kanungo, Wataru Horiuchi, Gaute Hagen, Titus D. Morris, Steven Ragnar Stroberg, Toshio Suzuki, Frederic Ameil, Joel Atkinson, Yassid Ayyad et al. (30 more) EPJ Web Conf., 223 (2019) 01003 Published online: 04 December 2019 DOI: 10.1051/epjconf/201922301003