Radiative-capture cross sections for the ${}^{139}$La($n,\gamma$) reactionusing thermal neutrons and structural properties of ${}^{140}$La

A. M. Hurst, A. Sweet, B. L. Goldblum +11

A set of prompt partial $\gamma$-ray production cross sections from thermal neutron-capture were measured for the ${}^{139}$La($n,\gamma$) reaction using a guided beam of subthermal (thermal a…