U238(n, 2n)U237Cross Section from 6 to 10 Mev

The cross section for the ${\mathrm{U}}^{238}(n, 2n){\mathrm{U}}^{237}$ reaction has been measured with incident neutron energies from 6 to 10 Mev and at 16 Mev. The ($n, 2n$) cross section at each neutron energy was obtained by multiplying the ratio of ${\mathrm{U}}^{237}$ atoms to fission events, measured radiochemically, by the appropriate ${\mathrm{U}}^{238}$ fission cross section. These data, together with the data of other investigators for the 13-15 Mev region, are used to outline an ($n, 2n$) cross-section curve from threshold to 16 Mev.