[Dumitru, Adrian] CUNY, Baruch Coll, Dept Nat Sci, New York, NY 10010 USA.
[Dumitru, Adrian] Brookhaven Natl Lab, RIKEN, BNL, Res Ctr, Upton, NY 11973 USA.
[Dumitru, Adrian] CUNY, Grad Sch, New York, NY 10036 USA.
[Guo, Yun] Goethe Univ Frankfurt, Helmholtz Res Sch, D-60438 Frankfurt, Germany.
[Guo, Yun] Huazhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.