Study of the ²⁴²Pu + ⁴⁸Ca Reaction at Super Heavy Element Factory

Ibadullayev D. Utyonkov V.K. Oganessian Y.T. Abdullin F.S. Dmitriev S.N. Itkis M.G. Karpov A.V. Kovrizhnykh N.D. Kuznetsov D.A. Petrushkin O.V. Podshibiakin A.V. Polyakov A.N. Popeko A.G. Sagaidak R.N. Schlattauer L. Shubin V.D. Shumeiko M.V. Solovyev D.I. Tsyganov Y.S. Voinov A.A. Subbotin V.G. Bodrov A.Y. Sabel’nikov A.V. Giniyatova S.G. Kuterbekov K.A.
August 2023 Pleiades Publishing

Bulletin of the Russian Academy of Sciences: Physics
2023 #87 Issue 8 1118 - 1122 pp.

Abstract: Experiments on the synthesis of isotopes of element 114 in the ²⁴²Pu + ⁴⁸Ca reaction were carried out at a new gas-filled separator DGFRS-2 online to the DC-280 cyclotron of the Superheavy Element Factory at the Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research. The decay properties of ²⁸⁶Fl and ²⁸⁷Fl, as well as their α-decay products, were refined. The possibility of the existence of isomeric states in successive α-decays of ²⁸⁷Fl is discussed. The maximum cross section of 10.4^+3.5_-2.1 pb was measured for the ²⁴²Pu(⁴⁸Ca, 3n)²⁸⁷Fl reaction.

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Joint Institute for Nuclear Research, Moscow oblast, Dubna, 141980, Russian Federation
Institute of Nuclear Physics, Almaty, 050032, Kazakhstan
Gumilyov Eurasian National University, Nur-Sultan, 010000, Kazakhstan
Palacky University Olomouc, Olomouc, 771 46, Czech Republic

Joint Institute for Nuclear Research
Institute of Nuclear Physics
Gumilyov Eurasian National University
Palacky University Olomouc

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