Investigation of the spontaneous fission properties of neutron-deficient nobelium isotopes
A. V. Isaev, A. I. Svirikhin, A. V. Andreev and 20 more
Eurasian Journal of Physics and Functional Materials · 2021
doi:10.29317/ejpfm.2019030108 (opens in a new tab)
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Abstract
In the last years we carried out several experiments aimed to investigate properties of short-lived SF isotopes. The neutron-deficient isotopes of nobelium were produced in fusion-evaporation reactions using206,208Pb targets and an intense48Ca-beam. Fusion-evaporation residues were separated by the SHELS separator and implanted into a large-area double-sided (48 × 48) strip silicon detector surrounded by3He-based neutron counters. Half-lives and decay branching ratios for252,254No isotopes were measured. The average number of neutrons per spontaneous fission of254No determined for the first time.
Abstract licence: CC BY
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