Indirect and direct measurement of thermal neutron acceleration by inelastic scattering on the 177Lu isomer G. Bélier, O. Roig, V. Méot, J. Aupiais, J.-M. Daugas, Ch. Jutier, G. Le Petit, A. Letourneau, F. Marie and Ch. Veyssière Published online: 17 June 2008 DOI: 10.1051/ndata:07249