Abstract
On 9 November a group of researchers led by Peter Annbruster and Sigurd Hofmann at the Gesell‐schaft fur Schwerionenforschung (GSI) in Darmstadt, Germany, observed a sequence of four alpha particles emitted from selected reaction products of a thin piece 208Pb under bombardment from a beam of 311‐MeV 62Ni ions. The alphas clearly represented a decay chain, being essentially coincident in position and following one another at intervals ranging from a few hundred microseconds to a few hundred milliseconds. Indeed, the last three alphas had energies and delay times that clearly matched the decay chain
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