[Xiang, C. Z.; Zhou, D. C.] Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China.
[Xiang, C. Z.; Zhou, D. C.] Cent China Normal Univ, Minist Educ, Key Lab Quark & Lepton Phys, Wuhan 430079, Peoples R China.
[Wisniewski, K.; Zhang, Y. P.; Herrmann, N.; Xiang, C. Z.; Deppner, I.; Loizeau, P. -A.] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany.
[Fruehauf, J.; Mueller, W. F. J.; Linev, S.] GSI Helmholtz Ctr Heavy Ion Res GmbH, D-64291 Darmstadt, Germany.
[Manz, S.] Kirchhoff Inst Phys, D-69120 Heidelberg, Germany.