Neutron density distributions of neutron-rich nuclei studied with the isobaric yield ratio difference Chun-Wang Ma, Xiao-Man Bai, Jiao Yu and Hui-Ling Wei Eur. Phys. J. A, 50 9 (2014) 139 Published online: 12 September 2014 DOI: 10.1140/epja/i2014-14139-1