Moscovium: historical information

  • Discoveror: (not yet confirmed)
  • Place of discovery: (not yet confirmed)
  • Date of discovery: 2003 (not yet confirmed)
  • Origin of name : for the element with atomic number 115 the name proposed is moscovium with the symbol Mc. This is in line with tradition honoring a place or geographical region and are proposed jointly by the discoverers at the Joint Institute for Nuclear Research, Dubna (Russia), Oak Ridge National Laboratory (USA), Vanderbilt University (USA) and Lawrence Livermore National Laboratory (USA)..

On 10 September 2013 a paper published in Phys. Rev. Lett by D. Rudolph and others outlines additional evidence for the claims that fusion-evaporation reactions between 48Ca and 243Am ions lead to the 288Uup (288115) and 287Uup (287115). A total of thirty correlated α-decay chains were observed following the reactions.

Experimental results reported in 2004 involving the bomabardment of americium-243 with calcium-48 ions are consistent with the formation in the laboratory of a few atoms of elements 113 and 115. In experiments conducted at the JINR U400 cyclotron with the Dubna gas-filled separator between July 14 and Aug. 10, 2003, atomic decay patterns were observed said to confirm the existence of element 115 and element 113. In these decay chains, element 113 is produced via the α-decay of element 115.

The results are published in the 1 February 2004 issue of Physical Review C: "Experiments on the synthesis of element 115 in the reaction 243Am(48Ca,xn)291–x115", Yu. Ts. Oganessian, V. K. Utyonkoy, Yu. V. Lobanov, F. Sh. Abdullin, A. N. Polyakov, I. V. Shirokovsky, Yu. S. Tsyganov, G. G. Gulbekian, S. L. Bogomolov, A. N. Mezentsev, S. Iliev, V. G. Subbotin, A. M. Sukhov, A. A. Voinov, G. V. Buklanov, K. Subotic, V. I. Zagrebaev, M. G. Itkis, J. B. Patin, K. J. Moody, J. F. Wild, M. A. Stoyer, N. J. Stoyer, D. A. Shaughnessy, J. M. Kenneally, and R. W. Lougheed, Phys. Rev. C, 2004, 69, 021601(R).

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