Attempts to produce superheavy elements by fusion of 48Ca with 248Cm in the bombarding energy range of 4.5-5.2 MeV/u

A search for superheavy elements was made in bombardments of ²⁴⁸Cm with ⁴⁸Ca ions performed at projectile energies close to the interaction barrier in order to keep the excitation energy of the compound nucleus Z=116, A=296 as low as possible. No evidence for superheavy nuclei was obtained in a half-life region from 1 μs to 10 yr with a production cross section greater than 10^-34 to 10^-35 cm². .AE