| Title | Improved measurement of psi(2S) decays into tau(+)tau(-) |
| Authors | Ablikim, M. Bai, J. Z. Ban, Y. Bian, J. G. Cai, X. Chen, H. F. Chen, H. S. Chen, H. X. Chen, J. C. Chen, Jin Chen, Y. B. Chi, S. P. Chu, Y. P. Cui, X. Z. Dai, Y. S. Diao, L. Y. Deng, Z. Y. Dong, Q. F. Du, S. X. Fang, J. Fang, S. S. Fu, C. D. Gao, C. S. Gao, Y. N. Gu, S. D. Gu, Y. T. Guo, Y. N. Guo, Y. Q. Guo, Z. J. Harris, F. A. He, K. L. He, M. Heng, Y. K. Hu, H. M. Hu, T. Huang, G. S. Huang, X. T. Ji, X. B. Jiang, X. S. Jiang, X. Y. Jiao, J. B. Jin, D. P. Jin, S. Jin, Yi Lai, Y. F. Li, G. Li, H. B. Li, H. |
| Affiliation | Inst High Energy Phys, Beijing 100049, Peoples R China. CCAST, Beijing 100080, Peoples R China. Guangxi Normal Univ, Guilin 541004, Peoples R China. Guangxi Univ, Nanning 530004, Peoples R China. Henan Normal Univ, Xinxiang 453002, Peoples R China. Huazhong Normal Univ, Wuhan 430079, Peoples R China. Hunan Univ, Changsha 410082, Peoples R China. Jinan Univ, Jinan 250022, Peoples R China. Liaoning Univ, Shenyang 110036, Peoples R China. Nanjing Normal Univ, Nanjing 210097, Peoples R China. Nankai Univ, Tianjin 300071, Peoples R China. Peking Univ, Beijing 100871, Peoples R China. Shandong Univ, Jinan 250100, Peoples R China. Sichuan Univ, Chengdu 610064, Peoples R China. Tsing Hua Univ, Beijing 100084, Peoples R China. Univ Hawaii, Honolulu, HI 96822 USA. Univ Sci & Technol China, Hefei 230026, Peoples R China. Wuhan Univ, Wuhan 430072, Peoples R China. Zhejiang Univ, Hangzhou 310028, Peoples R China. Purdue Univ, W Lafayette, IN 47907 USA. |
| Keywords | DETECTOR |
| Issue Date | 2006 |
| Publisher | physical review d |
| Citation | PHYSICAL REVIEW D.2006,74,(11). |
| Abstract | Using 14M psi(2S) events collected at BESII, the branching fraction of psi(2S)->tau(+)tau(-) is measured to be Br-tau tau=(3.08 +/- 0.21 +/- 0.38)x10(-3), where the first error is statistical and the second is systematic. |
| URI | http://hdl.handle.net/20.500.11897/398188 |
| ISSN | 1550-7998 |
| DOI | 10.1103/PhysRevD.74.112003 |
| Indexed | SCI(E) |
| Appears in Collections: | 待认领 |
