[Greiner, L.;Anderssen, E. C.;Contin, G.;Silber, J.;Stezelberger, T.;Vu, C.;Wieman, H. H.;Woodmansee, S.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.^[Schambach, J.] Univ Texas Austin, Austin, TX 78712 USA.^[Sun, X.] CCNU, Wuhan, Peoples R China.^[Szelezniak, M.] Inst Pluridisciplinaire Hubert Curien, F-67037 Strasbourg, France.