[1] Univ Cologne, Inst Kernphys, D-50937 Cologne, Germany
[2] Gesell Schwerionenforsch mbH, D-64291 Darmstadt, Germany
[3] Univ Bonn, Helmholtz Inst Strahlen & Kernphys, D-53115 Bonn, Germany
[4] Lund Univ, Dept Phys, S-22100 Lund, Sweden
[5] Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England
[6] Henryk Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland
[7] Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain
[8] Univ Sofia, Fac Phys, BG-1164 Sofia, Bulgaria
[9] Warsaw Univ, Inst Expt Phys, PL-00681 Warsaw, Poland
[10] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, BG-1784 Sofia, Bulgaria
[11] Univ York, Dept Phys, York Y01 5DD, N Yorkshire, England
[12] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy
[13] INFN Sez Milano, I-20133 Milan, Italy
[14] CEA Saclay, DAPNIA SPhN, Gif Sur Yvette, France
[15] Yale Univ, WNSL, New Haven, CT 06520 USA
[16] Keele Univ, Sch Chem & Phys, Keele ST5 5BG, Staffs, England
[17] Univ Aizu, Fukushima 9658580, Japan
[18] Univ Delhi, Dept Phys & Astrophys, Delhi 110007, India
[19] Univ Louis Pasteur, IReS, Strasbourg, France
[20] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan
[21] Univ Tokyo, Ctr Nucl Study, Tokyo 1130033, Japan
[22] RIKEN, Wako, Saitama 3510198, Japan
[23] Hahn Meitner Inst Berlin GmbH, Dept SF7, D-14109 Berlin, Germany