Investigation of lifetimes in the dipole band of 139Sm A. A. Pasternak, E. O. Lieder, R. M. Lieder, S. Chmel, W. Gast, Ts. Venkova, G. de Angelis, D. R. Napoli, A. Gadea, D. Bazzacco et al. (3 more) Eur. Phys. J. A, 37 3 (2008) 279-286 Published online: 12 August 2008 DOI: 10.1140/epja/i2008-10631-5