Khuyagbaatar, J.Yakushev, A.Dullmann, Ch.E.Ackermann, D.Andersson, L.-LAsai, M.Block, M.Boll, R.A.Brand, H.Fahlander, C.Dasgupta, MahanandaEvers, MauritsFahlander, ClaesHerzberg, RKratz, J-VKurz, N.Trautmann, NUusitalo, JHinde, David2015-12-100031-9007http://hdl.handle.net/1885/70327The superheavy element with atomic number Z=117 was produced as an evaporation residue in the Ca48+Bk249 fusion reaction at the gas-filled recoil separator TASCA at GSI Darmstadt, Germany. The radioactive decay of evaporation residues and their α-decay pAuthor/s retain copyrightKeywords: Atoms; Berkelium; Evaporation; Fusion reactions; Isotopes; Lawrencium; Atomic numbers; Decay products; Detection setup; Evaporation residues; Gas-filled recoil separator; Radioactive decay; Spontaneous fission; Super-heavy element; Decay (organic)Ca 48 + Bk 249 fusion reaction leading to element Z=117: Long-lived a -decaying Db 270 and discovery of Lr 266201410.1103/PhysRevLett.112.1725012018-11-05