Comparative Study of Spontaneous-Fission Characteristics of 252No and 254No Isotopes
Isaev A.V. Andreev A.V. Chelnokov M.L. Chepigin V.I. Izosimov I.N. Kuznetsova A.A. Malyshev O.N. Mukhin R.S. Popeko A.G. Popov Y.A. Shneidman T.M. Sokol E.A. Svirikhin A.I. Tezekbayeva M.S. Yeremin A.V. Zamyatin N.I. Brionnet P. Dorvaux O. Gall B. Kessaci K. Sellam A. Hauschild K. Lopez-Martens A. Antalic S. Mosat P.
July 2021Pleiades journals
Physics of Particles and Nuclei Letters
2021#18Issue 4449 - 456 pp.
Abstract: Spontaneous fissions of the 252No and 254No nobelium isotopes have been studied in a series of experiments with the SHELS separator. These isotopes are produced by colliding a beam of 48Ca ions from the U-400 cyclotron with the 206Pb and 208Pb targets. The measured characteristics of the 252No and 254No spontaneous fissions include their half-lives, total kinetic energies of fission fragments, and prompt-neutron multiplicities. The average number of neutrons per 254No spontaneous-fission act is measured for the first time as 4.88 ± 0.53.
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Joint Institute for Nuclear Research, Dubna, 141980, Moscow oblast, Russian Federation
Dubna State University, Dubna, 141980, Moscow oblast, Russian Federation
Institute of Nuclear Physics, Ministry of Energy, Almaty, 050032, Kazakhstan
Institut Pluridisciplinaire Hubert Curien, IN2P3-CNRS, Strasbourg, France
IJCLab, Universite Paris-Saclay, IN2P3-CNRS, Orsay, France
Comenius University, Bratislava, Slovakia
Joint Institute for Nuclear Research
Dubna State University
Institute of Nuclear Physics
Institut Pluridisciplinaire Hubert Curien
IJCLab
Comenius University
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