Supported by National Natural Science Foundation of China(NSFC) Projects (No.11075189);"100 Persons Project(Nos.0910020BR0 and Y010110BR0)";"ADS project 302"of the Chinese Academy of Sciences(No.Y103010ADS);supported by U.S.Department of Energy(Grant No.DE-FG03-93ER40773);Robert A.Welch Foundation(Grant A0330)
The symmetry energy at the time of the production of intermediate mass fragments(IMFs) is studied using experimentally observed IMF multiplicities combined with quantum statistical model calculations(QSM of Hahn and S...