Examination of the fission time of theZ=120nucleus

We show that the large difference in the measured lifetime for asymmetric fission of the highly excited ($T\ensuremath{\approx}1.5\text{-MeV}$) $Z=120$ nucleus as measured by the atomic techniques (crystal blocking and x-ray methods) with those measured by the nuclear techniques (mass-angle distribution and prefission neutron multiplicity) cannot be due to the different sensitivities of the atomic and nuclear techniques in different time domains. The claim of formation of a superheavy $Z=120$ nucleus with a high fission barrier on the basis of an observed long fission time by the atomic techniques is in direct conflict with all other available measurements and calculations.