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Morjean, M; Jacquet, D; Charvet, J L; L'Hoir, A; Laget, M; Parlog, M; Chbihi, A; Chevallier, M; Cohen, C; Dauvergne, D; Dayras, R; Drouart, A; Escano-Rodriguez, C; Frankland, J D; Kirsch, R; Lautesse, P; Nalpas, L; Ray, C; Schmitt, C; Stodel, C; Tassan-Got, L; Testa, E; Volant, C
Physical review letters, 08/2008, Letnik: 101, Številka: 7Journal Article
Reaction mechanism analyses performed with a 4pi detector for the systems 208Pb + Ge, 238U + Ni and 238U + Ge, combined with analyses of the associated reaction time distributions, provide us with evidence for nuclei with Z=120 and 124 living longer than 10(-18) s and arising from highly excited compound nuclei. By contrast, the neutron deficient nuclei with Z=114 possibly formed in 208Pb + Ge reactions have shorter lifetimes, close to or below the sensitivity limit of the experiment.
