Fission Fragment Kinetic Energies of ${\mathrm{Cf}}^{246}$, ${\mathrm{Cf}}^{248}$, and ${\mathrm{Cf}}^{254}$

Fission fragment kinetic energy spectra of ${\mathrm{Cf}}^{246}$, ${\mathrm{Cf}}^{248}$, and ${\mathrm{Cf}}^{254}$ were measured by comparison to ${\mathrm{Cf}}^{252}$. The most probable fragment energies were (in MeV): ${\mathrm{Cf}}^{246}$, 84.8±1.3 and 110.8±1.5; ${\mathrm{Cf}}^{248}$, 81.6±0.9 and 107.1±0.8; ${\mathrm{Cf}}^{254}$, 83.0±2 and 103.1±2.