γ -ray spectroscopy study of 11 ΛB and 12 ΛC Y. Ma, S. Ajimura, K. Aoki, M. Dairaku, Y. Y. Fu, H. Fujioka, T. Fukuda, K. Futatsukawa, K. Hosomi, W. Imoto et al. (24 more) Eur. Phys. J. A, 33 3 (2007) 243-246 Published online: 03 September 2007 DOI: 10.1140/epja/i2007-10471-9