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The $^{236}$U fission cross section and the angular distributions offragments from fission of $^{235}$U and $^{236}$U were measured for incidentneutron energies from 0.3 MeV to 500 MeV on the time-of-flight spectrometer ofthe neutron complex GNEIS at the NRC "Kurchatov Institute" -- PNPI. Fissionfragments were registered using position-sensitive low-pressure multiwirecounters. In the neutron energy range above 20 MeV, the angular distributionsof $^{236}$U fission fragments were measured for the first time. The fissioncross section of $^{236}$U$(n,f)$ was measured relative to the fission crosssection of $^{235}$U$(n,f)$, which is an accepted international standard. Theobtained data are compared with the results of other experimental works.Theoretical calculations of the fission cross section and the anisotropy ofangular distribution of fission fragments for the $^{236}$U$(n,f)$ reactionperformed within the framework of our approach are presented and discussed.

physical review. c

Measurement of the $^{236}$U fission cross section and angular  distributions of fragments from fission of $^{235}$U and $^{236}$U in the  neutron energy range of 0.3-500 MeV