P-odd asymmetry of neutron emission in the fission of 240Pu
Andreev V.N., Danilov M.M., Ermakov O.N., Nedopekin V.G., Rogov V.I.
It was observed in the fission of 239Pu by thermal polarized neutrons that the fission neutrons are emitted predominantly counter the direction of the spin of the fissioning nucleus, with an asymmetry a„ = (—6.7+0.7) X 10~5.