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===Discovery=== Meitnerium was [[discovery of the chemical elements|first synthesized]] on August 29, 1982, by a German research team led by [[Peter Armbruster]] and [[Gottfried Münzenberg]] at the [[Gesellschaft für Schwerionenforschung|Institute for Heavy Ion Research]] (Gesellschaft für Schwerionenforschung) in [[Darmstadt]].<ref name="82Mu01">{{cite journal|title=Observation of one correlated α-decay in the reaction <sup>58</sup>Fe on <sup>209</sup>Bi→<sup>267</sup>109|doi=10.1007/BF01420157|year=1982|journal=Zeitschrift für Physik A|volume=309|issue=1|pages=89|last1=Münzenberg|first1=G.|last2=Armbruster|first2=P.|last3=Heßberger|first3=F. P.|last4=Hofmann|first4=S.|last5=Poppensieker|first5=K.|last6=Reisdorf|first6=W.|last7=Schneider|first7=J. H. R.|last8=Schneider|first8=W. F. W.|last9=Schmidt|first9=K.-H.|first10=C.-C.|last10=Sahm|first11=D.|last11=Vermeulen|bibcode = 1982ZPhyA.309...89M|s2cid=120062541}}</ref> The team bombarded a target of [[bismuth-209]] with accelerated nuclei of [[iron]]-58 and detected a single atom of the [[isotope]] meitnerium-266:<ref name="93TWG">{{Cite journal|doi=10.1351/pac199365081757|title=Discovery of the transfermium elements. Part II: Introduction to discovery profiles. Part III: Discovery profiles of the transfermium elements|year=1993|author=Barber, R. C.|journal=Pure and Applied Chemistry|volume=65|pages=1757|last2=Greenwood|first2=N. N.|last3=Hrynkiewicz|first3=A. Z.|last4=Jeannin|first4=Y. P.|last5=Lefort|first5=M.|last6=Sakai|first6=M.|last7=Ulehla|first7=I.|last8=Wapstra|first8=A. P.|last9=Wilkinson|first9=D. H. |issue=8|s2cid=195819585|doi-access=free}} (Note: for Part I see Pure Appl. Chem., Vol. 63, No. 6, pp. 879–886, 1991)</ref> :{{nuclide|bismuth|209}} + {{nuclide|iron|58}} → {{nuclide|meitnerium|266}} + {{SubatomicParticle|neutron}} This work was confirmed three years later at the [[Joint Institute for Nuclear Research]] at [[Dubna]] (then in the [[Soviet Union]]).<ref name="93TWG" />
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