• [1]

    CHAO Kuang-Ta, HUANG Han-Wen, LIU Jing-Hua et al. Phys. Rev. D, 1997, 56: 368[2] MUNZ C R. Nucl. Phys. A, 1996, 609: 364[3] Asner D M et al. (CLEO collaboration). Phys. Rev. Lett., 2004, 92: 142001[4] Hoell A, Krassnigg A, Roberts C D et al. Int. J. Mod. Phys. A, 2005, 20: 1778[5] Giannuzzi F. Phys. Rev. D, 2008, 78: 117501[6] HUANG Chao-Shang. Commun. Theor. Phys., 1984, 3: 203[7] Cronin-Hennessy D et al. (CLEO collaboration). Phys. Rev. D, 2010, 81: 052002[8] Krner J G, Kühn J H, Krammer M et al. Nucl. Phys. B, 1983, 229: 115[9] Beneke M, Buchalla G, Neubert M et al. Nucl. Phys. B, 2000, 591: 313[10] Ball P, Braun V M. Phys. Rev. D, 1996, 54: 2182[11] CHENG Hai-Yang, YANG Kwei-Chou. Phys. Rev. D, 2001, 63: 074011[12] SANG Wen-Long, CHEN Yu-Qi. Phys. Rev. D, 2010, 81: 034028[13] Chung H S, Lee J, Yu C. Phys. Rev. D, 2008, 78: 074022[14] JIA Yu, YANG De-Shan. Nucl. Phys. B, 2009, 814: 217[15] LI Tong, ZHAO Shu-Min, LI Xue-Qian. Nucl. Phys. A, 2009, 828: 125[16] Chernyak V L, Zhitnitsky A R. Nucl. Phys. B, 1982, 201: 492[17] Fuchs N H, Scadron M D. Phys. Rev. D, 1979, 20: 2421[18] LI Gang, LI Tong, LI Xue-Qian et al. Nucl. Phys. B, 2005, 727: 301[19] MA Jian-Ping. Nucl. Phys. B, 2001, 605: 625[20] Hahn T, Perez-Victoria M. Comput. Phys. Commun. 1999, 118: 153[21] Denner A, Dittmaier S. Nucl. Phys. B, 2003 658: 175[22] Ball P. JHEP, 1999, 9901: 010[23] Nakamura K (Particle Data Group). J. Phys. G, 2010, 37: 075021