First measurements ofJ/ψdecays intoΣ+Σ¯−andΞ0Ξ¯0
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology·2008·Vol. 78(9)
Citations Over TimeTop 11% of 2008 papers
F. De Mori, J. Z. Bai, Y. Bai, Y. Ban, X. Cai, H. F. Chen, H. S. Chen, H. X. Chen, J. C. Chen, Jin Chen, Xinlong Chen, Y. B. Chen, Y. P. Chu, Y. S. Dai, Z. Y. Deng, S. X. Du, J. Fang, C. D. Fu, C. S. Gao, Yang Gao, S. Gu, Y. T. Gu, Y. N. Guo, Z. J. Guo, F. A. Harris, K. L. He, M. He, Y. K. Heng, Jiamin Hou, H. M. Hu, T. Hu, G. S. Huang, X. T. Huang, Y. Huang, X. B. Ji, X. S. Jiang, J. B. Jiao, D. P. Jin, S. Jin, Y. F. Lai, Haoyang Li, Jingshuai Li, Ruian Li, Wei Li, W. G. Li, X. L. Li, X. N. Li, X. Q. Li, Y. F. Liang, H. Liao, B. J. Liu, C. X. Liu, Fang Liu, Feng Liu, H. H. Liu, H. M. Liu, Jian‐Biao Liu, J. P. Liu, H. B. Liu, J. Liu, Qingyun Liu, R. G. Liu, Shaoning Liu, Z. A. Liu, F. X. Lu, G. R. Lu, J. G. Lu, C. L. Luo, F. C., H. L., L. L., Q. M., M. Q. A. Malik, Z. P. Mao, X. H. Mo, J. Nie, S. L. Olsen, R. G. Ping, N. D. Qi, H. Qin, J. F. Qiu, G. Rong, X. D. Ruan, L. Y. Shan, L. Shang, C. P. Shen, D. L. Shen, X. Y. Shen, H. Y. Sheng, H. Sun, S. S. Sun, Y. Z. Sun, Z. J. Sun, X. Tang, J.P. Tian, G. L. Tong, G. S. Varner, X. Wan, L. Wang, L. L. Wang, L. S. Wang, P. Wang, Peng Wang, Wei Wang, Y. F. Wang, Z. Wang, Z. Y. Wang, C. Wei, D. H. Wei, Y. Weng, Nengyou Wu, X. M. Xia, X. X. Xie, G. F. Xu, X. P. Xu, Y. Xu, M. L. Yan, H. X. Yang, Ming Yang, Y. Yang, M. H. Ye, Ying Ye, C. X. Yu, G. Yu, C. Z. Yuan, Y. Yuan, S. L. Zang, Y. Zeng, B. X. Zhang, B. Y. Zhang, Cunliang Zhang, D. H. Zhang, H. Q. Zhang, Haiqiang Zhang, Jiaqi Zhang, J. Y. Zhang, X. Y. Zhang, Yiqiang Zhang, Z. X. Zhang, Z. Zhang, Dongxu Zhao, J. W. Zhao, M. G. Zhao, P. P. Zhao, Z. Zhao, H. Q. Zheng, J. P. Zheng, Z. P. Zheng, B. Zhou, K. J. Zhu, Q. M. Zhu, X. Zhu, Y. C. Zhu, Y. S. Zhu, Z. A. Zhu, Zhenhua Zhu, B. A. Zhuang, B. S. Zou Abstract
Based on $58\ifmmode\times\else\texttimes\fi{}{10}^{6}$ $J/\ensuremath{\psi}$ events collected with the BESII detector at the Beijing Electron-Positron Collider, the baryon pair processes $J/\ensuremath{\psi}\ensuremath{\rightarrow}{\ensuremath{\Sigma}}^{+}{\overline{\ensuremath{\Sigma}}}^{\ensuremath{-}}$ and $J/\ensuremath{\psi}\ensuremath{\rightarrow}{\ensuremath{\Xi}}^{0}{\overline{\ensuremath{\Xi}}}^{0}$ are observed for the first time. The branching fractions are measured to be $\mathcal{B}(J/\ensuremath{\psi}\ensuremath{\rightarrow}{\ensuremath{\Sigma}}^{+}{\overline{\ensuremath{\Sigma}}}^{\ensuremath{-}})=(1.50\ifmmode\pm\else\textpm\fi{}0.10\ifmmode\pm\else\textpm\fi{}0.22)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}3}$ and $\mathcal{B}(J/\ensuremath{\psi}\ensuremath{\rightarrow}{\ensuremath{\Xi}}^{0}{\overline{\ensuremath{\Xi}}}^{0})=(1.20\ifmmode\pm\else\textpm\fi{}0.12\ifmmode\pm\else\textpm\fi{}0.21)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}3}$, where the first errors are statistical and the second ones are systematic.
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