-
[1]
. BAI J Z et al . Nucl . Instrum.Methods ,1994 ,A344 :319 —3342. ZHOU Yue-Hua ,LU Chang-Guo ,GU Wei-Xin et al . HEP NP ,1989 ,13(11) :973 —979 (in Chinese)(周月华,陆昌国,顾维新等. 高能物理与核物理,1989 , 13 (11) :973 —979)3. DU Shu-Xian , YUAN Chang-Zheng et al . HEP NP , 2003 , 27 ( 6) :521—525) (in Chinese)(杜书先,苑长征等. 高能物理与核物理,2003 ,27(6) :521 —525)4. YUAN Chang-Zheng. Ph. D Thesis ,Search for the η′c and study of the χcJ decays by-products of ηc searching. Institute of High Energy Physics ,Chinese Academy of Science ,1997 (in Chinese)(苑长征. 博士论文,粲夸克偶素S 波自旋单态η′c 的寻找和相应过程P 波三重态χcJ的研究. 中国科学院高能物理研究所,1997)5. CHEN J C ,HUANG G S ,QI X R et al . Phys. Rev. ,2000 ,D62 :034003