Livermorium: historical information

  • Discoveror: Yu.Ts. Oganessian, V.K. Utyonkov, Yu.V. Lobanov, F.Sh. Abdullin, A.N. Polyakov, I.V. Shirokovsky, Yu.S. Tsyganov, G.G. Gulbekian, S.L. Bogomolov, B.N. Gikal, A.N. Mezentsev, S. Iliev, V.G. Subbotin, A.M. Sukhov, O.V. Ivanov, G.V. Buklanov, K.Subotic, M.G. Itkis, K.J. Moody, J.F. Wild, N.J. Stoyer, M.A. Stoyer, R.W. Lougheed, C.A. Laue, Ye.A. Karelin, and A.N. Tatarinov
  • Place of discovery: Dubna, Russia
  • Date of discovery: 2000
  • Origin of name : temporary systematic IUPAC nomenclature.

Results published on the 6th December 2000 concerning recent experiments at Dubna in Russia (involving workers from The Joint Institute for Nuclear Research, Dubna, Russian Federation; The Lawrence Livermore National Laboratory, California, USA; The Research Institute of Atomic Reactors, Dimitrovgrad, Russian Federation; and The State Enterprise Electrohimpribor, Lesnoy, Russian Federation) describe the decay of the isotope 292Uuh (produced in the reaction of 248Cm with 48Ca) to 292Uuq.

24896Cm + 4820Ca → 292116Lv + 4 n

This decayed 47 milliseconds later as follows to a previously identified isotope of elements 114, flerovium, Fl.

292116Lv → 288114Fl + 42He

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