Measurement of the Branching Ratios for J/ψ→γπ0, γη'→3γ on the BES
- Bai Jingzhi 1, ,
- Bian Jianguo 1, ,
- Chai Zhengwei 1, ,
- Chen Guangpei 1, ,
- Chen Hongfang 2, ,
- Chen Jiangchuan 1, ,
- Chen Shaomin 1, ,
- Chen Yaqing 1, ,
- Chen Yu 1, ,
- Chen Yuanbo 1, ,
- Cheng Baosen 1, ,
- Cui Xiangzong 1, ,
- Ding Huiliang 1, ,
- Du Zhizhen 1, ,
- Fan Xiaoling 1, ,
- Fang Jian 1, ,
- Gao Cuishan 1, ,
- Gao Meili 1, ,
- Gao Shuqi 1, ,
- Gu Jianhui 1, ,
- Gu Shudi 1, ,
- Gu Weixin 1, ,
- Gu Yifan 1, ,
- Guo Yanan 1, ,
- Han Shiwen 1, ,
- Han Ying 1, ,
- He Jingtang 1, ,
- He Ju 1, ,
- He Mao 3, ,
- Hu Guiyun 1, ,
- Hu Jingliang 1, ,
- Hu Qionghui 1, ,
- Hu Tao 1, ,
- Hu Xiaoqing 1, ,
- Huang Xiuping 1, ,
- Huang Yinzhi 1, ,
- Jiang Chunhua 1, ,
- Jin Shan 1, ,
- Jin Yan 1, ,
- Kang Shuhui 1, ,
- Ke Zunjian 1, ,
- Lai Yuanfen 1, ,
- Lan Huibin 1, ,
- Lang Pengfei 1, ,
- Li Jin 1, ,
- Li Peiqin 1, ,
- Li Qun 1, ,
- Li Rubai 1, ,
- Li Wei 1, ,
- Li Weidong 1, ,
- Li Weiguo 1, ,
- Li Xinhua 1, ,
- Li Xiaonan 1, ,
- Lin Shuzi 1, ,
- Liu Huaimin 1, ,
- Liu Jing 1, ,
- Liu Jinghua 1, ,
- Liu Qi 1, ,
- Liu Rongguang 1, ,
- Liu Yan 1, ,
- Liu Zhenan 1, ,
- Lü Feng 1, ,
- Lü Junguang 1, ,
- Lu Jianye 1, ,
- Luo Shuanqun 1, ,
- Luo Yong 1, ,
- Ma Aimin 1, ,
- MaEncheng 1, ,
- Ma Jimao 1, ,
- Mao Huishun 1, ,
- Mao Zepu 1, ,
- Meng Xiangcheng 1, ,
- Ni Hulling 1, ,
- Nie Jing 1, ,
- Qi Nading 1, ,
- Qu Yunhe 1, ,
- Qiu Jinfa 1, ,
- Que Youkun 1, ,
- Rong Gang 1, ,
- Shao Yuying 1, ,
- Shen Benwei 1, ,
- Shen Dingli 1, ,
- Shen Hong 1, ,
- Shen Xiaoyan 1, ,
- Sheng Huayi 1, ,
- Shi Huanzhang 1, ,
- Song Xiaofei 1, ,
- Sun Fang 1, ,
- Sun Hansheng 1, ,
- Sun Shijun 1, ,
- Tan Yiping 1, ,
- Tang Suqiu 1, ,
- Tian Jianling 1, ,
- Tong Guoliang 1, ,
- Wang Feng 1, ,
- Wang Jufang 1, ,
- Wang Linzhou 1, ,
- Wang Lingshu 1, ,
- Wang Man 1, ,
- Wang Meng 1, ,
- Wang Peiliang 1, ,
- Wang Ping 1, ,
- Wang Shaomin 1, ,
- Wang Taijie 1, ,
- Wang Yunyong 1, ,
- Wei Chenglin 1, ,
- Wu Yougeng 1, ,
- Xi Deming 1, ,
- Xia Xiaomi 1, ,
- Xie Peipei 1, ,
- Xiong Weijun 1, ,
- Xu Guofa 1, ,
- Xu Rongsheng 1, ,
- Xu Zhijing 1, ,
- Xue Shengtian 1, ,
- Yan Jie 1, ,
- Yan Wuguang 1, ,
- Yang Changyou 1, ,
- Yang Chunmin 1, ,
- Yang Jie 1, ,
- Yang Xiaofeng 1, ,
- Ye Minghan 1, ,
- Ye Shizhang 1, ,
- Ye Shuwei 1, ,
- Yi Kai 1, ,
- Yu Chuansong 1, ,
- Yu Chunxu 1, ,
- Yu Zhitang 1, ,
- Yu Zhongqiang 1, ,
- Yuan Changzheng 1, ,
- Zhang Bingyun 1, ,
- Zhang Changchun 1, ,
- Zhang Dahua 1, ,
- Zhang Dehong 1, ,
- Zhang Huiling 1, ,
- Zhang Jian 1, ,
- Zhang Jiawen 1, ,
- Zhang Lin 1, ,
- Zhang Liangsheng 1, ,
- Zhang Qinjian 1, ,
- Zhang Shaoqiang 1, ,
- Zhang Xueyao 3, ,
- Zhang Yu 1, ,
- Zhang Yueyuan 1, ,
- Zhao Dixin 1, ,
- Zhao Haiwen 1, ,
- Zhao Jingwei 1, ,
- Zhao Meng 1, ,
- Zhao Weiren 1, ,
- Zheng Jianping 1, ,
- Zheng Linsheng 1, ,
- Zheng Zhipeng 1, ,
- Zhou Guangpu 1, ,
- Zhou Huashi 1, ,
- Zhou Li 1, ,
- Zhou Yuehua 1, ,
- Zhu Guoyi 1, ,
- Zhu Qiming 1, ,
- Zhu Yongsheng 1, ,
- Zhu Yucan 1, ,
- Zhuang Baoan 1, ,
- 1. Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing, China;
- 2. Department of Modem Physics, University of Science and Technology of China, Hefei, China;
- 3. Department of Physics, Shandong University, Jinan, China
- Received Date: 1996-10-08
Fund Project:
Supported by the National Natural Science Foundation of China.
Abstract: Decays of the J/ψ resonance into the three-photon final state are investigated. Branching ratios for the decays of J/ψ→γπ0 and J/ψ→γη' are determined to be Br(J/ψ→γπ0)=(4.6±1.1)×10-5 and Br(J/ψ→γη')=(4.12±0.82)10-3. The ratio of the two decay widths, Γ(J/ψ→γη')/Γ(J/ψ→γη),is 4.79±0.85. This value agrees weM with the predictions of the two theoretical models.