Phys. Rev. D
71,
032003
(2005)
[9 pages]
Measurements of J/ψ decays into ϕπ0, ϕη, and ϕη′
M. Ablikim et al.
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M. Ablikim1, J. Z. Bai1, Y. Ban11, J. G. Bian1, X. Cai1, J. F. Chang1, H. F. Chen17, H. S. Chen1, H. X. Chen1, J. C. Chen1, Jin Chen1, Jun Chen7, M. L. Chen1, Y. B. Chen1, S. P. Chi2, Y. P. Chu1, X. Z. Cui1, H. L. Dai1, Y. S. Dai19, Z. Y. Deng1, L. Y. Dong1,*, Q. F. Dong15, S. X. Du1, Z. Z. Du1, J. Fang1, S. S. Fang2, C. D. Fu1, H. Y. Fu1, C. S. Gao1, Y. N. Gao15, M. Y. Gong1, W. X. Gong1, S. D. Gu1, Y. N. Guo1, Y. Q. Guo1, Z. J. Guo16, F. A. Harris16, K. L. He1, M. He12, X. He1, Y. K. Heng1, H. M. Hu1, T. Hu1, G. S. Huang1,†, X. P. Huang1, X. T. Huang12, X. B. Ji1, C. H. Jiang1, X. S. Jiang1, D. P. Jin1, S. Jin1, Y. Jin1, Yi Jin1, Y. F. Lai1, F. Li1, G. Li2, H. H. Li1, J. Li1, J. C. Li1, Q. J. Li1, R. Y. Li1, S. M. Li1, W. D. Li1, W. G. Li1, X. L. Li8, X. Q. Li10, Y. L. Li4, Y. F. Liang14, H. B. Liao6, C. X. Liu1, F. Liu6, Fang Liu17, H. H. Liu1, H. M. Liu1, J. Liu11, J. B. Liu1, J. P. Liu18, R. G. Liu1, Z. A. Liu1, Z. X. Liu1, F. Lu1, G. R. Lu5, H. J. Lu17, J. G. Lu1, C. L. Luo9, L. X. Luo4, X. L. Luo1, F. C. Ma8, H. L. Ma1, J. M. Ma1, L. L. Ma1, Q. M. Ma1, X. B. Ma5, X. Y. Ma1, Z. P. Mao1, X. H. Mo1, J. Nie1, Z. D. Nie1, S. L. Olsen16, H. P. Peng17, N. D. Qi1, C. D. Qian13, H. Qin9, J. F. Qiu1, Z. Y. Ren1, G. Rong1, L. Y. Shan1, L. Shang1, D. L. Shen1, X. Y. Shen1, H. Y. Sheng1, F. Shi1, X. Shi11,‡, H. S. Sun1, J. F. Sun1, S. S. Sun1, Y. Z. Sun1, Z. J. Sun1, X. Tang1, N. Tao17, Y. R. Tian15, G. L. Tong1, G. S. Varner16, D. Y. Wang1, J. Z. Wang1, K. Wang17, L. Wang1, L. S. Wang1, M. Wang1, P. Wang1, P. L. Wang1, S. Z. Wang1, W. F. Wang1,§, Y. F. Wang1, Z. Wang1, Z. Y. Wang1, Zhe Wang1, Zheng Wang2, C. L. Wei1, D. H. Wei1, N. Wu1, Y. M. Wu1, X. M. Xia1, X. X. Xie1, B. Xin8,†, G. F. Xu1, H. Xu1, S. T. Xue1, M. L. Yan17, F. Yang10, H. X. Yang1, J. Yang17, Y. X. Yang3, M. Ye1, M. H. Ye2, Y. X. Ye17, L. H. Yi7, Z. Y. Yi1, C. S. Yu1, G. W. Yu1, C. Z. Yuan1, J. M. Yuan1, Y. Yuan1, S. L. Zang1, Y. Zeng7, Yu Zeng1, B. X. Zhang1, B. Y. Zhang1, C. C. Zhang1, D. H. Zhang1, H. Y. Zhang1, J. Zhang1, J. W. Zhang1, J. Y. Zhang1, Q. J. Zhang1, S. Q. Zhang1, X. M. Zhang1, X. Y. Zhang12, Y. Y. Zhang1, Yiyun Zhang14, Z. P. Zhang17, Z. Q. Zhang5, D. X. Zhao1, J. B. Zhao1, J. W. Zhao1, M. G. Zhao10, P. P. Zhao1, W. R. Zhao1, X. J. Zhao1, Y. B. Zhao1, Z. G. Zhao1,**, H. Q. Zheng11, J. P. Zheng1, L. S. Zheng1, Z. P. Zheng1, X. C. Zhong1, B. Q. Zhou1, G. M. Zhou1, L. Zhou1, N. F. Zhou1, K. J. Zhu1, Q. M. Zhu1, Y. C. Zhu1, Y. S. Zhu1, Yingchun Zhu1,††, Z. A. Zhu1, B. A. Zhuang1, X. A. Zhuang1, and B. S. Zou1
1Institute of High Energy Physics, Beijing 100049, People’s Republic of China 2China Center for Advanced Science and Technology, Beijing 100080, People’s Republic of China 3Guangxi Normal University, Guilin 541004, People’s Republic of China 4Guangxi University, Nanning 530004, People’s Republic of China 5Henan Normal University, Xinxiang 453002, People’s Republic of China 6Huazhong Normal University, Wuhan 430079, People’s Republic of China 7Hunan University, Changsha 410082, People’s Republic of China 8Liaoning University, Shenyang 110036, People’s Republic of China 9Nanjing Normal University, Nanjing 210097, People’s Republic of China 10Nankai University, Tianjin 300071, People’s Republic of China 11Peking University, Beijing 100871, People’s Republic of China 12Shandong University, Jinan 250100, People’s Republic of China 13Shanghai Jiaotong University, Shanghai 200030, People’s Republic of China 14Sichuan University, Chengdu 610064, People’s Republic of China 15Tsinghua University, Beijing 100084, People’s Republic of China 16University of Hawaii, Honolulu, Hawaii 96822, USA 17University of Science and Technology of China, Hefei 230026, People’s Republic of China 18Wuhan University, Wuhan 430072, People’s Republic of China 19Zhejiang University, Hangzhou 310028, People’s Republic of China
Received 15 October 2004; published 7 February 2005
Based on 5.8×107J/ψ events detected in BESII, the branching fractions of J/ψ→ϕη and ϕη′ are measured for different η and η′ decay modes. The results are significantly higher than previous measurements. An upper limit on B(J/ψ→ϕπ0) is also obtained.
© 2005 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevD.71.032003
DOI:
10.1103/PhysRevD.71.032003
PACS:
13.25.Gv, 12.38.Qk, 14.40.Gx
*Current address: Iowa State University, Ames, IA 50011-3160, USA. †Current address: Purdue University, West Lafayette, IN 47907, USA. ‡Current address: Cornell University, Ithaca, NY 14853, USA. §Current address: Laboratoire de l'Accélératear Linéaire, F-91898 Orsay, France. **Current address: University of Michigan, Ann Arbor, MI 48109, USA. ††Current address: DESY, D-22607, Hamburg, Germany.
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