• [1]

    . DING Hui-Liang et al (BES Collaboration) . HEP NP ,1992 ,16 :769(in Chinese)(丁慧良等(北京谱仪合作组) . 高能物理与核物理,1992 , 16 :769)2. BAI Jing-Zhi et al (BES Collaboration) . Nucl . Instrun. Methods ,2001 ,A458 :6273. ZHENG Zhi-Peng , ZHU Yong-Sheng. Electron-Antielectron Physics of Beijing Spectrometer. Nanning : Guangxi Technology and Science Press ,1998 (in Chinese) (郑志鹏,朱永生主编. 北京谱仪正负电子物理. 南宁:广西科学技术出版社,1998)4. XIE Yi-Gang et al . Particle Detector and Data Acquisition. Beijing :Science Press ,2003 (in Chinese)(谢一冈等主编. 粒子探测器与数据获取. 北京: 科学出版社,2003)5. Birks J B. Phys. Rev. ,1951 ,84 :3646. TANG Xiao-Wei . Experimental Methods of Particle Physics.Beijing :The Higher Education Press ,1982 (in Chinese)(唐孝威主编. 粒子物理实验方法. 北京:高等教育出版社,1982)7. Particle Data Group. Phys.Lett . ,2004 ,B592 :242