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Observations of the Cabibbo-Suppressed decays , and the Cabibbo-Favored decay *
Authors :
Ablikim, M. Achasov, M.N. Adlarson, P. Albrecht, M. Aliberti, R. Amoroso, A. An, M.R. An, Q. Bai, Y. Bakina, O. Baldini Ferroli, R. Balossino, I. Ban, Y. Batozskaya, V. Becker, D. Begzsuren, K. Berger, N. Bertani, M. Bettoni, D. Bianchi, F. Bianco, E. Bloms, J. Bortone, A. Boyko, I. Briere, R.A. Brueggemann, A. Cai, H. Cai, X. Calcaterra, A. Cao, G.F. Cao, N. Cetin, S.A. Chang, J.F. Chang, W.L. Che, G.R. Chelkov, G. Chen, C. Chen, Chao Chen, G. Chen, H.S. Chen, M.L. Chen, S.J. Chen, S.M. Chen, T. Chen, X.R. Chen, X.T. Chen, Y.B. Chen, Z.J. Cheng, W.S. Choi, S.K. Chu, X. Cibinetto, G. Cossio, F. Cui, J.J. Dai, H.L. Dai, J.P. Dbeyssi, A. de Boer, R.E. Dedovich, D. Deng, Z.Y. Denig, A. Denysenko, I. Destefanis, M. De Mori, F. Ding, Y. Dong, J. Dong, L.Y. Dong, M.Y. Dong, X. Du, S.X. Duan, Z.H. Egorov, P. Fan, Y.L. Fang, J. Fang, S.S. Fang, W.X. Fang, Y. Farinelli, R. Fava, L. Feldbauer, F. Felici, G. Feng, C.Q. Feng, J.H. Fischer, K Fritsch, M. Fritzsch, C. Fu, C.D. Gao, H. Gao, Y.N. Gao, Yang Garbolino, S. Garzia, I. Ge, P.T. Ge, Z.W. Geng, C. Gersabeck, E.M. Gilman, A Goetzen, K. Gong, L. Gong, W.X. Gradl, W. Greco, M. Gu, L.M. Gu, M.H. Gu, Y.T. Y Guan, C. Guo, A.Q. Guo, L.B. Guo, R.P. Guo, Y.P. Guskov, A. Han, W.Y. Hao, X.Q. Harris, F.A. He, K.K. He, K.L. Heinsius, F.H. Heinz, C.H. Heng, Y.K. Herold, C. Hou, G.Y. Hou, Y.R. Hou, Z.L. Hu, H.M. Hu, J.F. Hu, T. Hu, Y. Huang, G.S. Huang, K.X. Huang, L.Q. Huang, X.T. Huang, Y.P. Huang, Z. Hussain, T. Hüsken, N Imoehl, W. Irshad, M. Jackson, J. Jaeger, S. Janchiv, S. Jang, E. Jeong, J.H. Ji, Q. Ji, Q.P. Ji, X.B. Ji, X.L. Ji, Y.Y. Jia, Z.K. Jiang, S.S. Jiang, X.S. Jiang, Y. Jiao, J.B. Jiao, Z. Jin, S. Jin, Y. Jing, M.Q. Johansson, T. Kalantar-Nayestanaki, N. Kang, X.S. Kappert, R. Kavatsyuk, M. Ke, B.C. Keshk, I.K. Khoukaz, A. Kiuchi, R. Kliemt, R. Koch, L. Kolcu, O.B. Kopf, B. Kuemmel, M. Kuessner, M. Kupsc, A. Kühn, W. Lane, J.J. Lange, J.S. Larin, P. Lavania, A. Lavezzi, L. Lei, Z.H. Leithoff, H. Lellmann, M. Lenz, T. Li, C. Li, C.H. Li, Cheng Li, D.M. Li, F. Li, G. Li, H. Li, H.B. Li, H.J. Li, H.N. Li, J.Q. Li, J.S. Li, J.W. Li, Ke J Li, L. Li, L.K. Li, Lei Li, M.H. Li, P.R. Li, S.X. Li, S.Y. Li, T. Li, W.D. Li, W.G. Li, X.H. Li, X.L. Li, Xiaoyu Li, Y.G. Li, Z.X. Li, Z.Y. Liang, C. Liang, H. Liang, Y.F. Liang, Y.T. Liao, G.R. Liao, L.Z. Libby, J. Limphirat, A. Lin, C.X. Lin, D.X. Lin, T. Liu, B.J. Liu, C. Liu, C.X. Liu, D. Liu, F.H. Liu, Fang Liu, Feng Liu, G.M. Liu, H. Liu, H.B. Liu, H.M. Liu, Huanhuan Liu, Huihui Liu, J.B. Liu, J.L. Liu, J.Y. Liu, K. Liu, K.Y. Liu, Ke Liu, L. Liu, Lu Liu, M.H. Liu, P.L. Liu, Q. Liu, S.B. Liu, T. Liu, W.K. Liu, W.M. Liu, X. Liu, Y. Liu, Y.B. Liu, Z.A. Liu, Z.Q. Lou, X.C. Lu, F.X. Lu, H.J. Lu, J.G. Lu, X.L. Lu, Y. Lu, Y.P. Lu, Z.H. Luo, C.L. Luo, M.X. Luo, T. Luo, X.L. Lyu, X.R. Lyu, Y.F. Ma, F.C. Ma, H.L. Ma, L.L. Ma, M.M. Ma, Q.M. Ma, R.Q. Ma, R.T. Ma, X.Y. Ma, Y. Maas, F.E. Maggiora, M. Maldaner, S. Malde, S. Malik, Q.A. Mangoni, A. Mao, Y.J. Mao, Z.P. Marcello, S. Meng, Z.X. Messchendorp, J.G. Mezzadri, G. Miao, H. Min, T.J. Mitchell, R.E. Mo, X.H. Muchnoi, N. Yu. Nefedov, Y. Nerling, F. Nikolaev, I.B. Ning, Z. Nisar, S. Niu, Y. Olsen, S.L. Ouyang, Q. Pacetti, S. Pan, X. Pan, Y. Pathak, A. Patteri, P. Pelizaeus, M. Peng, H.P. Peters, K. Ping, J.L. Ping, R.G. Plura, S. Pogodin, S. Prasad, V. Qi, F.Z. Qi, H. Qi, H.R. Qi, M. Qi, T.Y. Qian, S. Qian, W.B. Qian, Z. Qiao, C.F. Qin, J.J. Qin, L.Q. Qin, X.P. Qin, X.S. Qin, Z.H. Qiu, J.F. Qu, S.Q. Rashid, K.H. Redmer, C.F. Ren, K.J. Rivetti, A. Rodin, V. Rolo, M. Rong, G. Rosner, Ch. Ruan, S.N. Sarantsev, A. Schelhaas, Y. Schnier, C. Schoenning, K. Scodeggio, M. Shan, K.Y. Shan, W. Shan, X.Y. Shangguan, J.F. Shao, L.G. Shao, M. Shen, C.P. Shen, H.F. Shen, X.Y. Shi, B.A. Shi, H.C. Shi, J.Y. Shi, Q.Q. Shi, R.S. Shi, X. Shi, X.D. Song, J.J. Song, W.M. Song, Y.X. Sosio, S. Spataro, S. Stieler, F. Su, K.X. Su, P.P. Su, Y.J. Sun, G.X. Sun, H. Sun, H.K. Sun, J.F. Sun, L. Sun, S.S. Sun, T. Sun, W.Y. Sun, Y.J. Sun, Y.Z. Sun, Z.T. Tan, Y.H. Tan, Y.X. Tang, C.J. Tang, G.Y. Tang, J. Y Tao, L. Tao, Q.T. Tat, M. Teng, J.X. Thoren, V. Tian, W.H. Tian, Y. Uman, I. Wang, B. Wang, B.L. Wang, C.W. Wang, D.Y. Wang, F. Wang, H.J. Wang, H.P. Wang, K. Wang, L.L. Wang, M. Wang, M.Z. Wang, Meng Wang, S. Wang, T. Wang, T.J. Wang, W. Wang, W.H. Wang, W.P. Wang, X. Wang, X.F. Wang, X.L. Wang, Y. Wang, Y.D. Wang, Y.F. Wang, Y.H. Wang, Y.Q. Wang, Yaqian Wang, Z. Wang, Z.Y. Wang, Ziyi Wei, D.H. Weidner, F. Wen, S.P. White, D.J. Wiedner, U. Wilkinson, G. Wolke, M. Wollenberg, L. Wu, J.F. Wu, L.H. Wu, L.J. Wu, X. Wu, X.H. Wu, Y. J Wu, Y. Wu, Z. Xia, L. Xiang, T. Xiao, D. Xiao, G.Y. Xiao, H. Xiao, S.Y. Xiao, Y.L. Xiao, Z.J. Xie, C. Xie, X.H. Xie, Y. Xie, Y.G. Xie, Y.H. Xie, Z.P. Xing, T.Y. Xu, C.F. Xu, C.J. Xu, G.F. Xu, H.Y. Xu, Q.J. Xu, X.P. Xu, Y.C. Xu, Z.P. Yan, F. Yan, L. Yan, W.B. Yan, W.C. Yang, H.J. Yang, H.L. Yang, H.X. Yang, L. Yang, Tao Yang, Y.F. Yang, Y.X. Yang, Yifan Ye, M. Ye, M.H. Yin, J.H. You, Z.Y. Yu, B.X. Yu, C.X. Yu, G. Yu, T. Yu, X.D. Yuan, C.Z. Yuan, L. Yuan, S.C. Yuan, X.Q. Yuan, Y. Yuan, Z.Y. Yue, C.X. Zafar, A.A. Zeng, F.R. Zeng, X. Zeng, Y. Zhai, X.Y. Zhan, Y.H. Zhang, A.Q. Zhang, B.L. Zhang, B.X. Zhang, D.H. Zhang, G.Y. Zhang, H. Zhang, H.H. Zhang, H.Y. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, J.X. Zhang, J.Y. Zhang, J.Z. Zhang, Jianyu Zhang, Jiawei Zhang, L.M. Zhang, L.Q. Zhang, Lei Zhang, P. Zhang, Q.Y. Zhang, Shuihan Zhang, Shulei Zhang, X.D. Zhang, X.M. Zhang, X.Y. Zhang, Y. Zhang, Y.T. Zhang, Y.H. Zhang, Yan Zhang, Yao Zhang, Z.H. Zhang, Z.L. Zhang, Z.Y. Zhao, G. Zhao, J. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, M.G. Zhao, S.J. Zhao, Y.B. Zhao, Y.X. Zhao, Z.G. Zhemchugov, A. Zheng, B. Zheng, J.P. Zheng, Y.H. Zhong, B. Zhong, C. Zhong, X. Zhou, H. Zhou, L.P. Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, X.Y. Zhou, Y.Z. Zhu, J. Zhu, K. Zhu, K.J. Zhu, L.X. Zhu, S.H. Zhu, S.Q. Zhu, T.J. Zhu, W.J. Zhu, Y.C. Zhu, Z.A. Zou, J.H. (BESIII Collaboration)
Source :
Chinese Physics
Publication Year :
2023
Publisher :
IOP Publishing, 2023.
Abstract
Using electron-positron annihilation data samples corresponding to an integrated luminosity of 4.5 fb , collected by the BESIII detector in the energy region between and , we report the first observations of the Cabibbo-suppressed decays , , and the Cabibbo-favored decay with statistical significances of , , and 10\sigma $?> , respectively. The branching fractions of these decays are measured to be %, %, and %, where the first uncertainties are statistical and the second are systematic. We find that the branching fraction of the decay is about one order of magnitude higher than that of .
Details
ISSN :
20586132 and 16741137
Volume :
47
Database :
OpenAIRE
Journal :
Chinese Physics C
Accession number :
edsair.doi.dedup.....a72a1732547adb5a45199b50985db939