Radiative strength functions in 93-98Mo
  Radiative strength functions (RSFs) in 93-98Mo have been extracted using the (3He,alpha gamma) and (3He,3He' gamma) reactions. The RSFs are U-shaped as function of gamma energy with a minimum at around E_gamma=3 MeV. The minimum values increase with neutron number due to the increase in the low-energy tail of the giant electric dipole resonance with nuclear deformation. The unexpected strong increase in strength below E_gamma=3 MeV, here called soft pole, is established for all 93-98Mo isotopes. The soft pole is present at all initial excitation energies in the 5-8 MeV region. 
M. Guttormsen, R. Chankova, U. Agvaanluvsan, E. Algin, L.A. Bernstein,   F. Ingebretsen, T. Loennroth, S. Messelt, G.E. Mitc...