FIG. 4: (Color online) Ratios of decay probabilities (branching ratios) to the capture channel from various J π states of $^{239}$U and $^{237}$U. (a): positive parity states, (b): negative parity states 15 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 0  1  2  3  4  5 Capture ratio (U-238+n/U-236+n) Neutron energy (MeV) Capture ratio (U-238+n/U-236+n) for positive parity states (a) (n, ) J =1/2 + J =5/2 + J =9/2 + J =13/2 + J =17/2 + J =21/2 + 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4  0  1  2  3  4  5 Capture ratio (U-238+n/U-236+n) Neutron energy (MeV) Capture ratio (U-238+n/U-236+n) for negative parity states (b) (n, ) J =1/2 - J =5/2 - J =9/2 - J =13/2 - J =17/2 - J =21/2 -