$Improved measurement of the branching fraction of h c → γη′/η and search for h c → γπ 0$

Improved measurement of the branching fraction of h c → γη′/η and search for h c → γπ 0

Abstract The processes h c → γP (P = η′, η, π 0) are studied with a sample of (27.12 ± 0.14) × 108 ψ(3686) events collected by the BESIII detector at the BEPCII collider. The decay h c → γη is observed for the first time with the significance of 9.0 σ, and the branching fraction is determined to be...

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Main Authors:	The BESIII collaboration, M. Ablikim, M. N. Achasov, P. Adlarson, O. Afedulidis, X. C. Ai, R. Aliberti, A. Amoroso, Q. An, Y. Bai, O. Bakina, I. Balossino, Y. Ban, H. -R. Bao, V. Batozskaya, K. Begzsuren, N. Berger, M. Berlowski, M. Bertani, D. Bettoni, F. Bianchi, E. Bianco, A. Bortone, I. Boyko, R. A. Briere, A. Brueggemann, H. Cai, X. Cai, A. Calcaterra, G. F. Cao, N. Cao, S. A. Cetin, J. F. Chang, G. R. Che, Y. Z. Che, G. Chelkov, C. Chen, C. H. Chen, Chao Chen, G. Chen, H. S. Chen, H. Y. Chen, M. L. Chen, S. J. Chen, S. L. Chen, S. M. Chen, T. Chen, X. R. Chen, X. T. Chen, Y. B. Chen, Y. Q. Chen, Z. J. Chen, Z. Y. Chen, S. K. Choi, G. Cibinetto, F. Cossio, J. J. Cui, H. L. Dai, J. P. Dai, A. Dbeyssi, R. E. de Boer, D. Dedovich, C. Q. Deng, Z. Y. Deng, A. Denig, I. Denysenko, M. Destefanis, F. De Mori, B. Ding, X. X. Ding, Y. Ding, J. Dong, L. Y. Dong, M. Y. Dong, X. Dong, M. C. Du, S. X. Du, Y. Y. Duan, Z. H. Duan, P. Egorov, Y. H. Fan, J. Fang, S. S. Fang, W. X. Fang, Y. Fang, Y. Q. Fang, R. Farinelli, L. Fava, F. Feldbauer, G. Felici, C. Q. Feng, J. H. Feng, Y. T. Feng, M. Fritsch, C. D. Fu, J. L. Fu, Y. W. Fu, H. Gao, X. B. Gao, Y. N. Gao, Yang Gao, S. Garbolino, I. Garzia, L. Ge, P. T. Ge, Z. W. Ge, C. Geng, E. M. Gersabeck, A. Gilman, K. Goetzen, L. Gong, W. X. Gong, W. Gradl, S. Gramigna, M. Greco, M. H. Gu, Y. T. Gu, C. Y. Guan, A. Q. Guo, L. B. Guo, M. J. Guo, R. P. Guo, Y. P. Guo, A. Guskov, J. Gutierrez, K. L. Han, T. T. Han, F. Hanisch, X. Q. Hao, F. A. Harris, K. K. He, K. L. He, F. H. Heinsius, C. H. Heinz, Y. K. Heng, C. Herold, T. Holtmann, P. C. Hong, G. Y. Hou, X. T. Hou, Y. R. Hou, Z. L. Hou, B. Y. Hu, H. M. Hu, J. F. Hu, S. L. Hu, T. Hu, Y. Hu, G. S. Huang, K. X. Huang, L. Q. Huang, X. T. Huang, Y. P. Huang, Y. S. Huang, T. Hussain, F. Hölzken, N. Hüsken, N. in der Wiesche, J. Jackson, S. Janchiv, J. H. Jeong, Q. Ji, Q. P. Ji, W. Ji, X. B. Ji, X. L. Ji, Y. Y. Ji, X. Q. Jia, Z. K. Jia, D. Jiang, H. B. Jiang, P. C. Jiang, S. S. Jiang, T. J. Jiang, X. S. Jiang, Y. Jiang, J. B. Jiao, J. K. Jiao, Z. Jiao, S. Jin, Y. Jin, M. Q. Jing, X. M. Jing, T. Johansson, S. Kabana, N. Kalantar-Nayestanaki, X. L. Kang, X. S. Kang, M. Kavatsyuk, B. C. Ke, V. Khachatryan, A. Khoukaz, R. Kiuchi, O. B. Kolcu, B. Kopf, M. Kuessner, X. Kui, N. Kumar, A. Kupsc, W. Kühn, J. J. Lane, L. Lavezzi, T. T. Lei, Z. H. Lei, M. Lellmann, T. Lenz, C. Li, C. H. Li, Cheng Li, D. M. Li, F. Li, G. Li, H. B. Li, H. J. Li, H. N. Li, Hui Li, J. R. Li, J. S. Li, K. Li, K. L. Li, L. J. Li, L. K. Li, Lei Li, M. H. Li, P. R. Li, Q. M. Li, Q. X. Li, R. Li, S. X. Li, T. Li, W. D. Li, W. G. Li, X. Li, X. H. Li, X. L. Li, X. Y. Li, X. Z. Li, Y. G. Li, Z. J. Li, Z. Y. Li, C. Liang, H. Liang, Y. F. Liang, Y. T. Liang, G. R. Liao, Y. P. Liao, J. Libby, A. Limphirat, C. C. Lin, D. X. Lin, T. Lin, B. J. Liu, B. X. Liu, C. Liu, C. X. Liu, F. Liu, F. H. Liu, Feng Liu, G. M. Liu, H. Liu, H. B. Liu, H. H. Liu, H. M. Liu, Huihui Liu, J. B. Liu, J. Y. Liu, K. Liu, K. Y. Liu, Ke Liu, L. Liu, L. C. 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. D. Liu, Z. Q. Liu, X. C. Lou, F. X. Lu, H. J. Lu, J. G. Lu, X. L. Lu, Y. Lu, Y. P. Lu, Z. H. Lu, C. L. Luo, J. R. Luo, M. X. Luo, T. Luo, X. L. Luo, X. R. Lyu, Y. F. Lyu, F. C. Ma, H. Ma, H. L. Ma, J. L. Ma, L. L. Ma, L. R. Ma, M. M. Ma, Q. M. Ma, R. Q. Ma, T. Ma, X. T. Ma, X. Y. Ma, Y. M. Ma, F. E. Maas, M. Maggiora, S. Malde, Y. J. Mao, Z. P. Mao, S. Marcello, Z. X. Meng, J. G. Messchendorp, G. Mezzadri, H. Miao, T. J. Min, R. E. Mitchell, X. H. Mo, B. Moses, N. Yu. Muchnoi, J. Muskalla, Y. Nefedov, F. Nerling, L. S. Nie, I. B. Nikolaev, Z. Ning, S. Nisar, Q. L. Niu, W. D. Niu, Y. Niu, S. L. Olsen, Q. Ouyang, S. Pacetti, X. Pan, Y. Pan, A. Pathak, Y. P. Pei, M. Pelizaeus, H. P. Peng, Y. Y. Peng, K. Peters, J. L. Ping, R. G. Ping, S. Plura, V. Prasad, F. Z. Qi, H. Qi, H. R. Qi, M. Qi, T. Y. Qi, S. Qian, W. B. Qian, C. F. Qiao, X. K. Qiao, J. J. Qin, L. Q. Qin, L. Y. Qin, X. P. Qin, X. S. Qin, Z. H. Qin, J. F. Qiu, Z. H. Qu, C. F. Redmer, K. J. Ren, A. Rivetti, M. Rolo, G. Rong, Ch. Rosner, M. Q. Ruan, S. N. Ruan, N. Salone, A. Sarantsev, Y. Schelhaas, K. Schoenning, M. Scodeggio, K. Y. Shan, W. Shan, X. Y. Shan, Z. J. Shang, J. F. Shangguan, L. G. Shao, M. Shao, C. P. Shen, H. F. Shen, W. H. Shen, X. Y. Shen, B. A. Shi, H. Shi, H. C. Shi, J. L. Shi, J. Y. Shi, Q. Q. Shi, S. Y. Shi, X. Shi, J. J. Song, T. Z. Song, W. M. Song, Y. J. Song, Y. X. Song, S. Sosio, S. Spataro, F. Stieler, S. S Su, Y. J. Su, G. B. Sun, G. X. Sun, H. Sun, H. K. Sun, J. F. Sun, K. Sun, L. Sun, S. S. Sun, T. Sun, W. Y. Sun, Y. Sun, Y. J. Sun, Y. Z. Sun, Z. Q. Sun, Z. T. Sun, C. J. Tang, G. Y. Tang, J. Tang, M. Tang, Y. A. Tang, L. Y. Tao, Q. T. Tao, M. Tat, J. X. Teng, V. Thoren, W. H. Tian, Y. Tian, Z. F. Tian, I. Uman, Y. Wan, S. J. Wang, B. Wang, B. L. Wang, Bo Wang, D. Y. Wang, F. Wang, H. J. Wang, J. J. Wang, J. P. Wang, K. Wang, L. L. Wang, M. Wang, N. Y. Wang, S. Wang, T. Wang, T. J. Wang, W. Wang, W. P. Wang, X. Wang, X. F. Wang, X. J. Wang, X. L. Wang, X. N. Wang, Y. Wang, Y. D. Wang, Y. F. Wang, Y. H. Wang, Y. L. Wang, Y. N. Wang, Y. Q. Wang, Yaqian Wang, Yi Wang, Z. Wang, Z. L. Wang, Z. Y. Wang, Ziyi Wang, D. H. Wei, F. Weidner, S. P. Wen, Y. R. Wen, U. Wiedner, G. Wilkinson, M. Wolke, L. Wollenberg, C. Wu, J. F. Wu, L. H. Wu, L. J. Wu, X. Wu, X. H. Wu, Y. Wu, Y. H. Wu, Y. J. Wu, Z. Wu, L. Xia, X. M. Xian, B. H. Xiang, T. Xiang, D. Xiao, G. Y. Xiao, S. Y. Xiao, Y. L. Xiao, Z. J. Xiao, C. Xie, X. H. Xie, Y. Xie, Y. G. Xie, Y. H. Xie, Z. P. Xie, T. Y. Xing, C. F. Xu, C. J. Xu, G. F. Xu, H. Y. Xu, M. Xu, Q. J. Xu, Q. N. Xu, W. Xu, W. L. Xu, X. P. Xu, Y. Xu, Y. C. Xu, Z. S. Xu, F. Yan, L. Yan, W. B. Yan, W. C. Yan, X. Q. Yan, H. J. Yang, H. L. Yang, H. X. Yang, J. H. Yang, T. Yang, Y. Yang, Y. F. Yang, Y. X. Yang, Z. W. Yang, Z. P. Yao, M. Ye, M. H. Ye, J. H. Yin, Junhao Yin, Z. Y. You, B. X. Yu, C. X. Yu, G. Yu, J. S. Yu, M. C. Yu, T. Yu, X. D. Yu, Y. C. Yu, C. Z. Yuan, J. Yuan, L. Yuan, S. C. Yuan, Y. Yuan, Z. Y. Yuan, C. X. Yue, A. A. Zafar, F. R. Zeng, S. H. Zeng, X. Zeng, Y. Zeng, Y. J. Zeng, X. Y. Zhai, Y. C. Zhai, Y. H. Zhan, A. Q. Zhang, B. L. Zhang, B. X. Zhang, D. H. Zhang, G. Y. Zhang, H. Zhang, H. C. Zhang, H. H. Zhang, H. Q. Zhang, H. R. Zhang, H. Y. Zhang, J. Zhang, J. J. Zhang, J. L. Zhang, J. Q. Zhang, J. S. Zhang, J. W. Zhang, J. X. Zhang, J. Y. Zhang, J. Z. Zhang, Jianyu Zhang, L. M. Zhang, Lei Zhang, P. Zhang, Q. Y. Zhang, R. Y. Zhang, S. H. Zhang, Shulei Zhang, X. D. Zhang, X. M. Zhang, X. Y Zhang, X. Y. Zhang, Y. Zhang, Y. T. Zhang, Y. H. Zhang, Y. M. Zhang, Yan Zhang, Z. D. Zhang, Z. H. Zhang, Z. L. Zhang, Z. Y. Zhang, Z. Z. Zhang, G. Zhao, J. Y. Zhao, J. Z. Zhao, L. Zhao, Lei Zhao, M. G. Zhao, N. Zhao, R. P. Zhao, S. J. Zhao, Y. B. Zhao, Y. X. Zhao, Z. G. Zhao, A. Zhemchugov, B. Zheng, B. M. Zheng, J. P. Zheng, W. J. Zheng, Y. H. Zheng, B. Zhong, X. Zhong, H. Zhou, J. Y. Zhou, L. P. Zhou, S. Zhou, X. Zhou, X. K. Zhou, X. R. Zhou, X. Y. Zhou, Y. Z. Zhou, A. N. Zhu, J. Zhu, K. Zhu, K. J. Zhu, K. S. Zhu, L. Zhu, L. X. Zhu, S. H. Zhu, T. J. Zhu, W. D. Zhu, Y. C. Zhu, Z. A. Zhu, J. H. Zou, J. Zu
Format:	Article
Language:	English
Published:	SpringerOpen 2024-08-01
Series:	Journal of High Energy Physics
Subjects:	Branching fraction e +-e − Experiments
Online Access:	https://doi.org/10.1007/JHEP08(2024)180
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_version_	1846158824655814656
author	The BESIII collaboration M. Ablikim M. N. Achasov P. Adlarson O. Afedulidis X. C. Ai R. Aliberti A. Amoroso Q. An Y. Bai O. Bakina I. Balossino Y. Ban H. -R. Bao V. Batozskaya K. Begzsuren N. Berger M. Berlowski M. Bertani D. Bettoni F. Bianchi E. Bianco A. Bortone I. Boyko R. A. Briere A. Brueggemann H. Cai X. Cai A. Calcaterra G. F. Cao N. Cao S. A. Cetin J. F. Chang G. R. Che Y. Z. Che G. Chelkov C. Chen C. H. Chen Chao Chen G. Chen H. S. Chen H. Y. Chen M. L. Chen S. J. Chen S. L. Chen S. M. Chen T. Chen X. R. Chen X. T. Chen Y. B. Chen Y. Q. Chen Z. J. Chen Z. Y. Chen S. K. Choi G. Cibinetto F. Cossio J. J. Cui H. L. Dai J. P. Dai A. Dbeyssi R. E. de Boer D. Dedovich C. Q. Deng Z. Y. Deng A. Denig I. Denysenko M. Destefanis F. De Mori B. Ding X. X. Ding Y. Ding Y. Ding J. Dong L. Y. Dong M. Y. Dong X. Dong M. C. Du S. X. Du Y. Y. Duan Z. H. Duan P. Egorov Y. H. Fan J. Fang J. Fang S. S. Fang W. X. Fang Y. Fang Y. Q. Fang R. Farinelli L. Fava F. Feldbauer G. Felici C. Q. Feng J. H. Feng Y. T. Feng M. Fritsch C. D. Fu J. L. Fu Y. W. Fu H. Gao X. B. Gao Y. N. Gao Yang Gao S. Garbolino I. Garzia L. Ge P. T. Ge Z. W. Ge C. Geng E. M. Gersabeck A. Gilman K. Goetzen L. Gong W. X. Gong W. Gradl S. Gramigna M. Greco M. H. Gu Y. T. Gu C. Y. Guan A. Q. Guo L. B. Guo M. J. Guo R. P. Guo Y. P. Guo A. Guskov J. Gutierrez K. L. Han T. T. Han F. Hanisch X. Q. Hao F. A. Harris K. K. He K. L. He F. H. Heinsius C. H. Heinz Y. K. Heng C. Herold T. Holtmann P. C. Hong G. Y. Hou X. T. Hou Y. R. Hou Z. L. Hou B. Y. Hu H. M. Hu J. F. Hu S. L. Hu T. Hu Y. Hu G. S. Huang K. X. Huang L. Q. Huang X. T. Huang Y. P. Huang Y. S. Huang T. Hussain F. Hölzken N. Hüsken N. in der Wiesche J. Jackson S. Janchiv J. H. Jeong Q. Ji Q. P. Ji W. Ji X. B. Ji X. L. Ji Y. Y. Ji X. Q. Jia Z. K. Jia D. Jiang H. B. Jiang P. C. Jiang S. S. Jiang T. J. Jiang X. S. Jiang Y. Jiang J. B. Jiao J. K. Jiao Z. Jiao S. Jin Y. Jin M. Q. Jing X. M. Jing T. Johansson S. Kabana N. Kalantar-Nayestanaki X. L. Kang X. S. Kang M. Kavatsyuk B. C. Ke V. Khachatryan A. Khoukaz R. Kiuchi O. B. Kolcu B. Kopf M. Kuessner X. Kui N. Kumar A. Kupsc W. Kühn J. J. Lane L. Lavezzi T. T. Lei Z. H. Lei M. Lellmann T. Lenz C. Li C. Li C. H. Li Cheng Li D. M. Li F. Li G. Li H. B. Li H. J. Li H. N. Li Hui Li J. R. Li J. S. Li K. Li K. L. Li L. J. Li L. K. Li Lei Li M. H. Li P. R. Li Q. M. Li Q. X. Li R. Li S. X. Li T. Li W. D. Li W. G. Li X. Li X. H. Li X. L. Li X. Y. Li X. Z. Li Y. G. Li Z. J. Li Z. Y. Li C. Liang H. Liang H. Liang Y. F. Liang Y. T. Liang G. R. Liao Y. P. Liao J. Libby A. Limphirat C. C. Lin D. X. Lin T. Lin B. J. Liu B. X. Liu C. Liu C. X. Liu F. Liu F. H. Liu Feng Liu G. M. Liu H. Liu H. B. Liu H. H. Liu H. M. Liu Huihui Liu J. B. Liu J. Y. Liu K. Liu K. Y. Liu Ke Liu L. Liu L. C. Liu Lu Liu M. H. Liu P. L. Liu Q. Liu S. B. Liu T. Liu W. K. Liu W. M. Liu X. Liu X. Liu Y. Liu Y. Liu Y. B. Liu Z. A. Liu Z. D. Liu Z. Q. Liu X. C. Lou F. X. Lu H. J. Lu J. G. Lu X. L. Lu Y. Lu Y. P. Lu Z. H. Lu C. L. Luo J. R. Luo M. X. Luo T. Luo X. L. Luo X. R. Lyu Y. F. Lyu F. C. Ma H. Ma H. L. Ma J. L. Ma L. L. Ma L. R. Ma M. M. Ma Q. M. Ma R. Q. Ma T. Ma X. T. Ma X. Y. Ma Y. M. Ma F. E. Maas M. Maggiora S. Malde Y. J. Mao Z. P. Mao S. Marcello Z. X. Meng J. G. Messchendorp G. Mezzadri H. Miao T. J. Min R. E. Mitchell X. H. Mo B. Moses N. Yu. Muchnoi J. Muskalla Y. Nefedov F. Nerling L. S. Nie I. B. Nikolaev Z. Ning S. Nisar Q. L. Niu W. D. Niu Y. Niu S. L. Olsen Q. Ouyang S. Pacetti X. Pan Y. Pan A. Pathak Y. P. Pei M. Pelizaeus H. P. Peng Y. Y. Peng K. Peters J. L. Ping R. G. Ping S. Plura V. Prasad F. Z. Qi H. Qi H. R. Qi M. Qi T. Y. Qi S. Qian W. B. Qian C. F. Qiao X. K. Qiao J. J. Qin L. Q. Qin L. Y. Qin X. P. Qin X. S. Qin Z. H. Qin J. F. Qiu Z. H. Qu C. F. Redmer K. J. Ren A. Rivetti M. Rolo G. Rong Ch. Rosner M. Q. Ruan S. N. Ruan N. Salone A. Sarantsev Y. Schelhaas K. Schoenning M. Scodeggio K. Y. Shan W. Shan X. Y. Shan Z. J. Shang J. F. Shangguan L. G. Shao M. Shao C. P. Shen H. F. Shen W. H. Shen X. Y. Shen B. A. Shi H. Shi H. C. Shi J. L. Shi J. Y. Shi Q. Q. Shi S. Y. Shi X. Shi J. J. Song T. Z. Song W. M. Song Y. J. Song Y. X. Song S. Sosio S. Spataro F. Stieler S. S Su Y. J. Su G. B. Sun G. X. Sun H. Sun H. K. Sun J. F. Sun K. Sun L. Sun S. S. Sun T. Sun W. Y. Sun Y. Sun Y. J. Sun Y. Z. Sun Z. Q. Sun Z. T. Sun C. J. Tang G. Y. Tang J. Tang M. Tang Y. A. Tang L. Y. Tao Q. T. Tao M. Tat J. X. Teng V. Thoren W. H. Tian Y. Tian Z. F. Tian I. Uman Y. Wan S. J. Wang B. Wang B. L. Wang Bo Wang D. Y. Wang F. Wang H. J. Wang J. J. Wang J. P. Wang K. Wang L. L. Wang M. Wang N. Y. Wang S. Wang S. Wang T. Wang T. J. Wang W. Wang W. Wang W. P. Wang X. Wang X. F. Wang X. J. Wang X. L. Wang X. N. Wang Y. Wang Y. D. Wang Y. F. Wang Y. H. Wang Y. L. Wang Y. N. Wang Y. Q. Wang Yaqian Wang Yi Wang Z. Wang Z. L. Wang Z. Y. Wang Ziyi Wang D. H. Wei F. Weidner S. P. Wen Y. R. Wen U. Wiedner G. Wilkinson M. Wolke L. Wollenberg C. Wu J. F. Wu L. H. Wu L. J. Wu X. Wu X. H. Wu Y. Wu Y. H. Wu Y. J. Wu Z. Wu L. Xia X. M. Xian B. H. Xiang T. Xiang D. Xiao G. Y. Xiao S. Y. Xiao Y. L. Xiao Z. J. Xiao C. Xie X. H. Xie Y. Xie Y. G. Xie Y. H. Xie Z. P. Xie T. Y. Xing C. F. Xu C. J. Xu G. F. Xu H. Y. Xu M. Xu Q. J. Xu Q. N. Xu W. Xu W. L. Xu X. P. Xu Y. Xu Y. C. Xu Z. S. Xu F. Yan L. Yan W. B. Yan W. C. Yan X. Q. Yan H. J. Yang H. L. Yang H. X. Yang J. H. Yang T. Yang Y. Yang Y. F. Yang Y. F. Yang Y. X. Yang Z. W. Yang Z. P. Yao M. Ye M. H. Ye J. H. Yin Junhao Yin Z. Y. You B. X. Yu C. X. Yu G. Yu J. S. Yu M. C. Yu T. Yu X. D. Yu Y. C. Yu C. Z. Yuan J. Yuan J. Yuan L. Yuan S. C. Yuan Y. Yuan Z. Y. Yuan C. X. Yue A. A. Zafar F. R. Zeng S. H. Zeng X. Zeng Y. Zeng Y. J. Zeng Y. J. Zeng X. Y. Zhai Y. C. Zhai Y. H. Zhan A. Q. Zhang B. L. Zhang B. X. Zhang D. H. Zhang G. Y. Zhang H. Zhang H. Zhang H. C. Zhang H. H. Zhang H. H. Zhang H. Q. Zhang H. R. Zhang H. Y. Zhang J. Zhang J. Zhang J. J. Zhang J. L. Zhang J. Q. Zhang J. S. Zhang J. W. Zhang J. X. Zhang J. Y. Zhang J. Z. Zhang Jianyu Zhang L. M. Zhang Lei Zhang P. Zhang Q. Y. Zhang R. Y. Zhang S. H. Zhang Shulei Zhang X. D. Zhang X. M. Zhang X. Y Zhang X. Y. Zhang Y. Zhang Y. Zhang Y. T. Zhang Y. H. Zhang Y. M. Zhang Yan Zhang Z. D. Zhang Z. H. Zhang Z. L. Zhang Z. Y. Zhang Z. Y. Zhang Z. Z. Zhang G. Zhao J. Y. Zhao J. Z. Zhao L. Zhao Lei Zhao M. G. Zhao N. Zhao R. P. Zhao S. J. Zhao Y. B. Zhao Y. X. Zhao Z. G. Zhao A. Zhemchugov B. Zheng B. M. Zheng J. P. Zheng W. J. Zheng Y. H. Zheng B. Zhong X. Zhong H. Zhou J. Y. Zhou L. P. Zhou S. Zhou X. Zhou X. K. Zhou X. R. Zhou X. Y. Zhou Y. Z. Zhou A. N. Zhu J. Zhu K. Zhu K. J. Zhu K. S. Zhu L. Zhu L. X. Zhu S. H. Zhu T. J. Zhu W. D. Zhu Y. C. Zhu Z. A. Zhu J. H. Zou J. Zu
author_facet	The BESIII collaboration M. Ablikim M. N. Achasov P. Adlarson O. Afedulidis X. C. Ai R. Aliberti A. Amoroso Q. An Y. Bai O. Bakina I. Balossino Y. Ban H. -R. Bao V. Batozskaya K. Begzsuren N. Berger M. Berlowski M. Bertani D. Bettoni F. Bianchi E. Bianco A. Bortone I. Boyko R. A. Briere A. Brueggemann H. Cai X. Cai A. Calcaterra G. F. Cao N. Cao S. A. Cetin J. F. Chang G. R. Che Y. Z. Che G. Chelkov C. Chen C. H. Chen Chao Chen G. Chen H. S. Chen H. Y. Chen M. L. Chen S. J. Chen S. L. Chen S. M. Chen T. Chen X. R. Chen X. T. Chen Y. B. Chen Y. Q. Chen Z. J. Chen Z. Y. Chen S. K. Choi G. Cibinetto F. Cossio J. J. Cui H. L. Dai J. P. Dai A. Dbeyssi R. E. de Boer D. Dedovich C. Q. Deng Z. Y. Deng A. Denig I. Denysenko M. Destefanis F. De Mori B. Ding X. X. Ding Y. Ding Y. Ding J. Dong L. Y. Dong M. Y. Dong X. Dong M. C. Du S. X. Du Y. Y. Duan Z. H. Duan P. Egorov Y. H. Fan J. Fang J. Fang S. S. Fang W. X. Fang Y. Fang Y. Q. Fang R. Farinelli L. Fava F. Feldbauer G. Felici C. Q. Feng J. H. Feng Y. T. Feng M. Fritsch C. D. Fu J. L. Fu Y. W. Fu H. Gao X. B. Gao Y. N. Gao Yang Gao S. Garbolino I. Garzia L. Ge P. T. Ge Z. W. Ge C. Geng E. M. Gersabeck A. Gilman K. Goetzen L. Gong W. X. Gong W. Gradl S. Gramigna M. Greco M. H. Gu Y. T. Gu C. Y. Guan A. Q. Guo L. B. Guo M. J. Guo R. P. Guo Y. P. Guo A. Guskov J. Gutierrez K. L. Han T. T. Han F. Hanisch X. Q. Hao F. A. Harris K. K. He K. L. He F. H. Heinsius C. H. Heinz Y. K. Heng C. Herold T. Holtmann P. C. Hong G. Y. Hou X. T. Hou Y. R. Hou Z. L. Hou B. Y. Hu H. M. Hu J. F. Hu S. L. Hu T. Hu Y. Hu G. S. Huang K. X. Huang L. Q. Huang X. T. Huang Y. P. Huang Y. S. Huang T. Hussain F. Hölzken N. Hüsken N. in der Wiesche J. Jackson S. Janchiv J. H. Jeong Q. Ji Q. P. Ji W. Ji X. B. Ji X. L. Ji Y. Y. Ji X. Q. Jia Z. K. Jia D. Jiang H. B. Jiang P. C. Jiang S. S. Jiang T. J. Jiang X. S. Jiang Y. Jiang J. B. Jiao J. K. Jiao Z. Jiao S. Jin Y. Jin M. Q. Jing X. M. Jing T. Johansson S. Kabana N. Kalantar-Nayestanaki X. L. Kang X. S. Kang M. Kavatsyuk B. C. Ke V. Khachatryan A. Khoukaz R. Kiuchi O. B. Kolcu B. Kopf M. Kuessner X. Kui N. Kumar A. Kupsc W. Kühn J. J. Lane L. Lavezzi T. T. Lei Z. H. Lei M. Lellmann T. Lenz C. Li C. Li C. H. Li Cheng Li D. M. Li F. Li G. Li H. B. Li H. J. Li H. N. Li Hui Li J. R. Li J. S. Li K. Li K. L. Li L. J. Li L. K. Li Lei Li M. H. Li P. R. Li Q. M. Li Q. X. Li R. Li S. X. Li T. Li W. D. Li W. G. Li X. Li X. H. Li X. L. Li X. Y. Li X. Z. Li Y. G. Li Z. J. Li Z. Y. Li C. Liang H. Liang H. Liang Y. F. Liang Y. T. Liang G. R. Liao Y. P. Liao J. Libby A. Limphirat C. C. Lin D. X. Lin T. Lin B. J. Liu B. X. Liu C. Liu C. X. Liu F. Liu F. H. Liu Feng Liu G. M. Liu H. Liu H. B. Liu H. H. Liu H. M. Liu Huihui Liu J. B. Liu J. Y. Liu K. Liu K. Y. Liu Ke Liu L. Liu L. C. Liu Lu Liu M. H. Liu P. L. Liu Q. Liu S. B. Liu T. Liu W. K. Liu W. M. Liu X. Liu X. Liu Y. Liu Y. Liu Y. B. Liu Z. A. Liu Z. D. Liu Z. Q. Liu X. C. Lou F. X. Lu H. J. Lu J. G. Lu X. L. Lu Y. Lu Y. P. Lu Z. H. Lu C. L. Luo J. R. Luo M. X. Luo T. Luo X. L. Luo X. R. Lyu Y. F. Lyu F. C. Ma H. Ma H. L. Ma J. L. Ma L. L. Ma L. R. Ma M. M. Ma Q. M. Ma R. Q. Ma T. Ma X. T. Ma X. Y. Ma Y. M. Ma F. E. Maas M. Maggiora S. Malde Y. J. Mao Z. P. Mao S. Marcello Z. X. Meng J. G. Messchendorp G. Mezzadri H. Miao T. J. Min R. E. Mitchell X. H. Mo B. Moses N. Yu. Muchnoi J. Muskalla Y. Nefedov F. Nerling L. S. Nie I. B. Nikolaev Z. Ning S. Nisar Q. L. Niu W. D. Niu Y. Niu S. L. Olsen Q. Ouyang S. Pacetti X. Pan Y. Pan A. Pathak Y. P. Pei M. Pelizaeus H. P. Peng Y. Y. Peng K. Peters J. L. Ping R. G. Ping S. Plura V. Prasad F. Z. Qi H. Qi H. R. Qi M. Qi T. Y. Qi S. Qian W. B. Qian C. F. Qiao X. K. Qiao J. J. Qin L. Q. Qin L. Y. Qin X. P. Qin X. S. Qin Z. H. Qin J. F. Qiu Z. H. Qu C. F. Redmer K. J. Ren A. Rivetti M. Rolo G. Rong Ch. Rosner M. Q. Ruan S. N. Ruan N. Salone A. Sarantsev Y. Schelhaas K. Schoenning M. Scodeggio K. Y. Shan W. Shan X. Y. Shan Z. J. Shang J. F. Shangguan L. G. Shao M. Shao C. P. Shen H. F. Shen W. H. Shen X. Y. Shen B. A. Shi H. Shi H. C. Shi J. L. Shi J. Y. Shi Q. Q. Shi S. Y. Shi X. Shi J. J. Song T. Z. Song W. M. Song Y. J. Song Y. X. Song S. Sosio S. Spataro F. Stieler S. S Su Y. J. Su G. B. Sun G. X. Sun H. Sun H. K. Sun J. F. Sun K. Sun L. Sun S. S. Sun T. Sun W. Y. Sun Y. Sun Y. J. Sun Y. Z. Sun Z. Q. Sun Z. T. Sun C. J. Tang G. Y. Tang J. Tang M. Tang Y. A. Tang L. Y. Tao Q. T. Tao M. Tat J. X. Teng V. Thoren W. H. Tian Y. Tian Z. F. Tian I. Uman Y. Wan S. J. Wang B. Wang B. L. Wang Bo Wang D. Y. Wang F. Wang H. J. Wang J. J. Wang J. P. Wang K. Wang L. L. Wang M. Wang N. Y. Wang S. Wang S. Wang T. Wang T. J. Wang W. Wang W. Wang W. P. Wang X. Wang X. F. Wang X. J. Wang X. L. Wang X. N. Wang Y. Wang Y. D. Wang Y. F. Wang Y. H. Wang Y. L. Wang Y. N. Wang Y. Q. Wang Yaqian Wang Yi Wang Z. Wang Z. L. Wang Z. Y. Wang Ziyi Wang D. H. Wei F. Weidner S. P. Wen Y. R. Wen U. Wiedner G. Wilkinson M. Wolke L. Wollenberg C. Wu J. F. Wu L. H. Wu L. J. Wu X. Wu X. H. Wu Y. Wu Y. H. Wu Y. J. Wu Z. Wu L. Xia X. M. Xian B. H. Xiang T. Xiang D. Xiao G. Y. Xiao S. Y. Xiao Y. L. Xiao Z. J. Xiao C. Xie X. H. Xie Y. Xie Y. G. Xie Y. H. Xie Z. P. Xie T. Y. Xing C. F. Xu C. J. Xu G. F. Xu H. Y. Xu M. Xu Q. J. Xu Q. N. Xu W. Xu W. L. Xu X. P. Xu Y. Xu Y. C. Xu Z. S. Xu F. Yan L. Yan W. B. Yan W. C. Yan X. Q. Yan H. J. Yang H. L. Yang H. X. Yang J. H. Yang T. Yang Y. Yang Y. F. Yang Y. F. Yang Y. X. Yang Z. W. Yang Z. P. Yao M. Ye M. H. Ye J. H. Yin Junhao Yin Z. Y. You B. X. Yu C. X. Yu G. Yu J. S. Yu M. C. Yu T. Yu X. D. Yu Y. C. Yu C. Z. Yuan J. Yuan J. Yuan L. Yuan S. C. Yuan Y. Yuan Z. Y. Yuan C. X. Yue A. A. Zafar F. R. Zeng S. H. Zeng X. Zeng Y. Zeng Y. J. Zeng Y. J. Zeng X. Y. Zhai Y. C. Zhai Y. H. Zhan A. Q. Zhang B. L. Zhang B. X. Zhang D. H. Zhang G. Y. Zhang H. Zhang H. Zhang H. C. Zhang H. H. Zhang H. H. Zhang H. Q. Zhang H. R. Zhang H. Y. Zhang J. Zhang J. Zhang J. J. Zhang J. L. Zhang J. Q. Zhang J. S. Zhang J. W. Zhang J. X. Zhang J. Y. Zhang J. Z. Zhang Jianyu Zhang L. M. Zhang Lei Zhang P. Zhang Q. Y. Zhang R. Y. Zhang S. H. Zhang Shulei Zhang X. D. Zhang X. M. Zhang X. Y Zhang X. Y. Zhang Y. Zhang Y. Zhang Y. T. Zhang Y. H. Zhang Y. M. Zhang Yan Zhang Z. D. Zhang Z. H. Zhang Z. L. Zhang Z. Y. Zhang Z. Y. Zhang Z. Z. Zhang G. Zhao J. Y. Zhao J. Z. Zhao L. Zhao Lei Zhao M. G. Zhao N. Zhao R. P. Zhao S. J. Zhao Y. B. Zhao Y. X. Zhao Z. G. Zhao A. Zhemchugov B. Zheng B. M. Zheng J. P. Zheng W. J. Zheng Y. H. Zheng B. Zhong X. Zhong H. Zhou J. Y. Zhou L. P. Zhou S. Zhou X. Zhou X. K. Zhou X. R. Zhou X. Y. Zhou Y. Z. Zhou A. N. Zhu J. Zhu K. Zhu K. J. Zhu K. S. Zhu L. Zhu L. X. Zhu S. H. Zhu T. J. Zhu W. D. Zhu Y. C. Zhu Z. A. Zhu J. H. Zou J. Zu
author_sort	The BESIII collaboration
collection	DOAJ
description	Abstract The processes h c → γP (P = η′, η, π 0) are studied with a sample of (27.12 ± 0.14) × 108 ψ(3686) events collected by the BESIII detector at the BEPCII collider. The decay h c → γη is observed for the first time with the significance of 9.0 σ, and the branching fraction is determined to be (3.77 ± 0.55 ± 0.13 ± 0.26) × 10 −4, while B $$ \mathcal{B} $$ (h c → γη′) is measured to be (1.40 ± 0.11 ± 0.04 ± 0.10) × 10 −3, where the first uncertainties are statistical, the second systematic, and the third from the branching fraction of ψ(3686) → π 0 h c . The combination of these results allows for a precise determination of R h c = B h c → γη B h c → γ η ′ , $$ {R}_{h_c}=\frac{\mathcal{B}\left({h}_c\to {\pi}^0\gamma \eta \right)}{\mathcal{B}\left({h}_c\to {\pi}^0\gamma {\eta}^{\prime}\right)}, $$ which is calculated to be (27.0 ± 4.4 ± 1.0)%. The results are valuable for gaining a deeper understanding of η − η′ mixing, and its manifestation within quantum chromodynamics. No significant signal is found for the decay h c → γπ 0, and an upper limit is placed on its branching fraction of B $$ \mathcal{B} $$ (h c → γπ 0) < 5.0 × 10 −5, at the 90% confidence level.
format	Article
id	doaj-art-94e49e7c74b6413ab3296a15ba18709c
institution	Kabale University
issn	1029-8479
language	English
publishDate	2024-08-01
publisher	SpringerOpen
record_format	Article
series	Journal of High Energy Physics
spelling	doaj-art-94e49e7c74b6413ab3296a15ba18709c2024-11-24T12:07:56ZengSpringerOpenJournal of High Energy Physics1029-84792024-08-012024811910.1007/JHEP08(2024)180Improved measurement of the branching fraction of h c → γη′/η and search for h c → γπ 0The BESIII collaborationM. Ablikim0M. N. Achasov1P. Adlarson2O. Afedulidis3X. C. Ai4R. Aliberti5A. Amoroso6Q. An7Y. Bai8O. Bakina9I. Balossino10Y. Ban11H. -R. Bao12V. Batozskaya13K. Begzsuren14N. Berger15M. Berlowski16M. Bertani17D. Bettoni18F. Bianchi19E. Bianco20A. Bortone21I. Boyko22R. A. Briere23A. Brueggemann24H. Cai25X. Cai26A. Calcaterra27G. F. Cao28N. Cao29S. A. Cetin30J. F. Chang31G. R. Che32Y. Z. Che33G. Chelkov34C. Chen35C. H. Chen36Chao Chen37G. Chen38H. S. Chen39H. Y. Chen40M. L. Chen41S. J. Chen42S. L. Chen43S. M. Chen44T. Chen45X. R. Chen46X. T. Chen47Y. B. Chen48Y. Q. Chen49Z. J. Chen50Z. Y. Chen51S. K. Choi52G. Cibinetto53F. Cossio54J. J. Cui55H. L. Dai56J. P. Dai57A. Dbeyssi58R. E. de Boer59D. Dedovich60C. Q. Deng61Z. Y. Deng62A. Denig63I. Denysenko64M. Destefanis65F. De Mori66B. Ding67X. X. Ding68Y. Ding69Y. Ding70J. Dong71L. Y. Dong72M. Y. Dong73X. Dong74M. C. Du75S. X. Du76Y. Y. Duan77Z. H. Duan78P. Egorov79Y. H. Fan80J. Fang81J. Fang82S. S. Fang83W. X. Fang84Y. Fang85Y. Q. Fang86R. Farinelli87L. Fava88F. Feldbauer89G. Felici90C. Q. Feng91J. H. Feng92Y. T. Feng93M. Fritsch94C. D. Fu95J. L. Fu96Y. W. Fu97H. Gao98X. B. Gao99Y. N. Gao100Yang Gao101S. Garbolino102I. Garzia103L. Ge104P. T. Ge105Z. W. Ge106C. Geng107E. M. Gersabeck108A. Gilman109K. Goetzen110L. Gong111W. X. Gong112W. Gradl113S. Gramigna114M. Greco115M. H. Gu116Y. T. Gu117C. Y. Guan118A. Q. Guo119L. B. Guo120M. J. Guo121R. P. Guo122Y. P. Guo123A. Guskov124J. Gutierrez125K. L. Han126T. T. Han127F. Hanisch128X. Q. Hao129F. A. Harris130K. K. He131K. L. He132F. H. Heinsius133C. H. Heinz134Y. K. Heng135C. Herold136T. Holtmann137P. C. Hong138G. Y. Hou139X. T. Hou140Y. R. Hou141Z. L. Hou142B. Y. Hu143H. M. Hu144J. F. Hu145S. L. Hu146T. Hu147Y. Hu148G. S. Huang149K. X. Huang150L. Q. Huang151X. T. Huang152Y. P. Huang153Y. S. Huang154T. Hussain155F. Hölzken156N. Hüsken157N. in der Wiesche158J. Jackson159S. Janchiv160J. H. Jeong161Q. Ji162Q. P. Ji163W. Ji164X. B. Ji165X. L. Ji166Y. Y. Ji167X. Q. Jia168Z. K. Jia169D. Jiang170H. B. Jiang171P. C. Jiang172S. S. Jiang173T. J. Jiang174X. S. Jiang175Y. Jiang176J. B. Jiao177J. K. Jiao178Z. Jiao179S. Jin180Y. Jin181M. Q. Jing182X. M. Jing183T. Johansson184S. Kabana185N. Kalantar-Nayestanaki186X. L. Kang187X. S. Kang188M. Kavatsyuk189B. C. Ke190V. Khachatryan191A. Khoukaz192R. Kiuchi193O. B. Kolcu194B. Kopf195M. Kuessner196X. Kui197N. Kumar198A. Kupsc199W. Kühn200J. J. Lane201L. Lavezzi202T. T. Lei203Z. H. Lei204M. Lellmann205T. Lenz206C. Li207C. Li208C. H. Li209Cheng Li210D. M. Li211F. Li212G. Li213H. B. Li214H. J. Li215H. N. Li216Hui Li217J. R. Li218J. S. Li219K. Li220K. L. Li221L. J. Li222L. K. Li223Lei Li224M. H. Li225P. R. Li226Q. M. Li227Q. X. Li228R. Li229S. X. Li230T. 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Zhou650X. K. Zhou651X. R. Zhou652X. Y. Zhou653Y. Z. Zhou654A. N. Zhu655J. Zhu656K. Zhu657K. J. Zhu658K. S. Zhu659L. Zhu660L. X. Zhu661S. H. Zhu662T. J. Zhu663W. D. Zhu664Y. C. Zhu665Z. A. Zhu666J. H. Zou667J. Zu668Institute of High Energy PhysicsBudker Institute of Nuclear Physics SB RAS (BINP)Uppsala UniversityBochum Ruhr-UniversityZhengzhou UniversityJohannes Gutenberg University of MainzUniversity of Turin and INFN, University of TurinUniversity of Science and Technology of ChinaSoutheast UniversityJoint Institute for Nuclear ResearchINFN Sezione di FerraraPeking UniversityUniversity of Chinese Academy of SciencesInstitute of High Energy PhysicsInstitute of Physics and TechnologyJohannes Gutenberg University of MainzNational Centre for Nuclear ResearchINFN Laboratori Nazionali di FrascatiINFN Sezione di FerraraUniversity of Turin and INFN, University of TurinUniversity of Turin and INFN, University of TurinUniversity of Turin and INFN, University of TurinJoint Institute for Nuclear ResearchCarnegie Mellon UniversityUniversity of MuensterWuhan UniversityInstitute of High Energy PhysicsINFN Laboratori Nazionali di FrascatiInstitute of High Energy PhysicsInstitute of High Energy PhysicsTurkish Accelerator Center Particle Factory Group, Istinye UniversityInstitute of High Energy PhysicsNankai UniversityInstitute of High Energy PhysicsJoint Institute for Nuclear ResearchNankai UniversityChina University of GeosciencesSoochow UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsHenan UniversityInstitute of High Energy PhysicsNanjing UniversityNorth China Electric Power UniversityTsinghua UniversityInstitute of High Energy PhysicsInstitute of Modern PhysicsInstitute of High Energy PhysicsInstitute of High Energy PhysicsJilin UniversityHunan UniversityInstitute of High Energy PhysicsChung-Ang UniversityINFN Sezione di FerraraINFNShandong UniversityInstitute of High Energy PhysicsYunnan UniversityHelmholtz Institute MainzBochum Ruhr-UniversityJoint Institute for Nuclear ResearchUniversity of South ChinaInstitute of High Energy PhysicsJohannes Gutenberg University of MainzJoint Institute for Nuclear ResearchUniversity of Turin and INFN, 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Ruhr-UniversityJilin UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsUniversity of Chinese Academy of SciencesInstitute of High Energy PhysicsSun Yat-Sen UniversityInstitute of High Energy PhysicsSouth China Normal UniversityFudan UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsUniversity of Science and Technology of ChinaSun Yat-Sen UniversityInstitute of Modern PhysicsShandong UniversityInstitute of High Energy PhysicsSun Yat-Sen UniversityUniversity of the PunjabBochum Ruhr-UniversityJohannes Gutenberg University of MainzUniversity of MuensterIndiana UniversityInstitute of Physics and TechnologyChung-Ang UniversityInstitute of High Energy PhysicsHenan Normal UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsInstitute of High Energy PhysicsShandong UniversityShandong UniversityUniversity of Science and Technology of ChinaInstitute of High Energy PhysicsWuhan UniversityPeking UniversityLiaoning Normal 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Physikalisches InstitutUniversity of ManchesterUniversity of Turin and INFN, University of TurinUniversity of Science and Technology of ChinaUniversity of Science and Technology of ChinaJohannes Gutenberg University of MainzJohannes Gutenberg University of MainzQufu Normal UniversityNankai UniversityLiaoning Normal UniversityUniversity of Science and Technology of ChinaZhengzhou UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsInstitute of High Energy PhysicsHenan Normal UniversitySouth China Normal UniversityNankai UniversityTsinghua UniversitySun Yat-Sen UniversityInstitute of High Energy PhysicsHenan Normal UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsRenmin University of ChinaNankai UniversityLanzhou UniversityInstitute of High Energy PhysicsShandong UniversityHebei UniversityFudan UniversityShandong UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsInstitute of High Energy PhysicsUniversity of Science and Technology of ChinaShandong UniversityInstitute of High Energy PhysicsSun Yat-Sen UniversityPeking UniversitySun Yat-Sen UniversityYunnan UniversityNanjing UniversityInstitute of High Energy PhysicsUniversity of Science and Technology of ChinaSichuan UniversityInstitute of Modern PhysicsGuangxi Normal UniversityInstitute of High Energy PhysicsIndian Institute of Technology MadrasSuranaree University of TechnologySoochow UniversityInstitute of Modern PhysicsInstitute of High Energy PhysicsInstitute of High Energy PhysicsWuhan UniversityJilin UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsShanxi UniversityCentral China Normal UniversitySouth China Normal UniversityLanzhou UniversityGuangxi UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsHenan University of Science and TechnologyUniversity of Science and Technology of ChinaInstitute of High Energy PhysicsLanzhou UniversityLiaoning UniversityHenan University of TechnologyUniversity 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Academy of SciencesInstitute of High Energy PhysicsINFN Sezione di PerugiaSoochow UniversitySoutheast UniversityJilin UniversityUniversity of Science and Technology of ChinaBochum Ruhr-UniversityUniversity of Science and Technology of ChinaLanzhou UniversityGSI Helmholtzcentre for Heavy Ion Research GmbHNanjing Normal UniversityInstitute of High Energy PhysicsJohannes Gutenberg University of MainzInstituto de Alta Investigación, Universidad de TarapacáInstitute of High Energy PhysicsUniversity of Science and Technology of ChinaTsinghua UniversityNanjing UniversityFudan UniversityInstitute of High Energy PhysicsUniversity of Chinese Academy of SciencesUniversity of Chinese Academy of SciencesZhengzhou UniversityUniversity of South ChinaGuangxi Normal UniversityUniversity of Science and Technology of ChinaFudan UniversityShandong UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsUniversity of South ChinaJohannes Gutenberg University of MainzLiaoning Normal 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PhysicsUniversity of Chinese Academy of SciencesUniversity of Science and Technology of ChinaPeking UniversityUniversity of South ChinaLanzhou UniversityWuhan UniversityShandong UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsShandong UniversityUniversity of Chinese Academy of SciencesFudan UniversityLanzhou UniversityFudan UniversityNankai UniversityUniversity of South ChinaSun Yat-Sen UniversityJohannes Gutenberg University of MainzPeking UniversityLanzhou UniversityLiaoning Normal UniversityFudan UniversityInstitute of High Energy PhysicsTsinghua UniversityNorth China Electric Power UniversityInstitute of High Energy PhysicsLanzhou UniversityHenan Normal UniversityNorth China Electric Power UniversityInstitute of High Energy PhysicsHebei UniversityTsinghua UniversityInstitute of High Energy PhysicsUniversity of South ChinaInstitute of High Energy PhysicsUniversity of Chinese Academy of SciencesGuangxi Normal UniversityUniversity of MuensterInstitute of High Energy PhysicsLiaoning Normal UniversityBochum Ruhr-UniversityUniversity of OxfordUppsala UniversityBochum Ruhr-UniversityLiaoning Normal UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsInstitute of High Energy PhysicsFudan UniversityJilin UniversityUniversity of Science and Technology of ChinaSoochow UniversityInstitute of Modern PhysicsInstitute of High Energy PhysicsUniversity of Science and Technology of ChinaLiaoning Normal UniversityInstitute of High Energy PhysicsPeking UniversityLanzhou UniversityNanjing UniversityInstitute of High Energy PhysicsFudan UniversityNanjing Normal UniversityNanjing UniversityPeking UniversityShandong UniversityInstitute of High Energy PhysicsCentral China Normal UniversityUniversity of Science and Technology of ChinaInstitute of High Energy PhysicsInstitute of High Energy PhysicsSun Yat-Sen UniversityInstitute of High Energy PhysicsUniversity of JinanUniversity of Science and Technology of ChinaHangzhou Normal UniversityInner Mongolia UniversityInstitute of High Energy PhysicsUniversity of JinanSoochow UniversityLiaoning UniversityYantai UniversityUniversity of Chinese Academy of SciencesFudan UniversityFudan UniversityUniversity of Science and Technology of ChinaZhengzhou UniversityInstitute of High Energy PhysicsShanghai Jiao Tong UniversityJilin UniversityInstitute of High Energy PhysicsNanjing UniversityInstitute of High Energy PhysicsFudan UniversityNankai UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsLanzhou UniversityShandong UniversityInstitute of High Energy PhysicsChina Center of Advanced Science and TechnologyInstitute of High Energy PhysicsNankai UniversitySun Yat-Sen UniversityInstitute of High Energy PhysicsNankai UniversityInstitute of High Energy PhysicsHunan UniversityLiaoning UniversityUniversity of South ChinaPeking UniversityZhengzhou UniversityInstitute of High Energy PhysicsJilin UniversityNorth China Electric Power UniversityBeihang UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsSun Yat-Sen UniversityLiaoning Normal UniversityUniversity of the PunjabShandong UniversityUniversity of South ChinaFudan UniversityHunan UniversityInstitute of High Energy PhysicsSun Yat-Sen UniversityJilin UniversityShandong UniversitySun Yat-Sen UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsInstitute of High Energy PhysicsNankai UniversityHenan Normal UniversityUniversity of Science and Technology of ChinaZhengzhou UniversityInstitute of High Energy PhysicsSun Yat-Sen UniversityJilin UniversityInstitute of High Energy PhysicsUniversity of Science and Technology of ChinaInstitute of High Energy PhysicsSun Yat-Sen UniversityZhengzhou UniversityShanxi Normal UniversityHenan UniversityNanjing Normal UniversityFudan UniversityInstitute of High Energy PhysicsLanzhou UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsUniversity of Chinese Academy of SciencesTsinghua UniversityNanjing UniversityInstitute of High Energy PhysicsJilin UniversityLanzhou UniversityInstitute of High Energy PhysicsHunan UniversityNorth China Electric Power UniversityInstitute of High Energy PhysicsLiaoning UniversityShandong UniversityInstitute of High Energy PhysicsUniversity of South ChinaZhengzhou UniversityInstitute of High Energy PhysicsLiaoning Normal UniversityUniversity of Science and Technology of ChinaInstitute of High Energy PhysicsInstitute of High Energy PhysicsJilin UniversityNankai UniversityWuhan UniversityNorth China Electric Power UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsInstitute of High Energy PhysicsInstitute of High Energy PhysicsUniversity of Science and Technology of ChinaNankai UniversityYunnan UniversityUniversity of Chinese Academy of SciencesZhengzhou UniversityInstitute of High Energy PhysicsInstitute of Modern PhysicsUniversity of Science and Technology of ChinaJoint Institute for Nuclear ResearchUniversity of South ChinaJilin UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsUniversity of Chinese Academy of SciencesNanjing Normal UniversitySun Yat-Sen UniversityShandong UniversityJilin UniversityInstitute of High Energy PhysicsCentral China Normal UniversityWuhan UniversityCentral China Normal UniversityUniversity of Science and Technology of ChinaLiaoning Normal UniversityFudan UniversityUniversity of Chinese Academy of SciencesNankai UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsFudan UniversityJilin UniversityUniversity of Chinese Academy of SciencesUniversity of Science and Technology LiaoningFudan UniversityNanjing Normal UniversityUniversity of Science and Technology of ChinaInstitute of High Energy PhysicsInstitute of High Energy PhysicsUniversity of Science and Technology of ChinaAbstract The processes h c → γP (P = η′, η, π 0) are studied with a sample of (27.12 ± 0.14) × 108 ψ(3686) events collected by the BESIII detector at the BEPCII collider. The decay h c → γη is observed for the first time with the significance of 9.0 σ, and the branching fraction is determined to be (3.77 ± 0.55 ± 0.13 ± 0.26) × 10 −4, while B $$ \mathcal{B} $$ (h c → γη′) is measured to be (1.40 ± 0.11 ± 0.04 ± 0.10) × 10 −3, where the first uncertainties are statistical, the second systematic, and the third from the branching fraction of ψ(3686) → π 0 h c . The combination of these results allows for a precise determination of R h c = B h c → γη B h c → γ η ′ , $$ {R}_{h_c}=\frac{\mathcal{B}\left({h}_c\to {\pi}^0\gamma \eta \right)}{\mathcal{B}\left({h}_c\to {\pi}^0\gamma {\eta}^{\prime}\right)}, $$ which is calculated to be (27.0 ± 4.4 ± 1.0)%. The results are valuable for gaining a deeper understanding of η − η′ mixing, and its manifestation within quantum chromodynamics. No significant signal is found for the decay h c → γπ 0, and an upper limit is placed on its branching fraction of B $$ \mathcal{B} $$ (h c → γπ 0) < 5.0 × 10 −5, at the 90% confidence level.https://doi.org/10.1007/JHEP08(2024)180Branching fractione +-e − Experiments
spellingShingle	The BESIII collaboration M. Ablikim M. N. Achasov P. Adlarson O. Afedulidis X. C. Ai R. Aliberti A. Amoroso Q. An Y. Bai O. Bakina I. Balossino Y. Ban H. -R. Bao V. Batozskaya K. Begzsuren N. Berger M. Berlowski M. Bertani D. Bettoni F. Bianchi E. Bianco A. Bortone I. Boyko R. A. Briere A. Brueggemann H. Cai X. Cai A. Calcaterra G. F. Cao N. Cao S. A. Cetin J. F. Chang G. R. Che Y. Z. Che G. Chelkov C. Chen C. H. Chen Chao Chen G. Chen H. S. Chen H. Y. Chen M. L. Chen S. J. Chen S. L. Chen S. M. Chen T. Chen X. R. Chen X. T. Chen Y. B. Chen Y. Q. Chen Z. J. Chen Z. Y. Chen S. K. Choi G. Cibinetto F. Cossio J. J. Cui H. L. Dai J. P. Dai A. Dbeyssi R. E. de Boer D. Dedovich C. Q. Deng Z. Y. Deng A. Denig I. Denysenko M. Destefanis F. De Mori B. Ding X. X. Ding Y. Ding Y. Ding J. Dong L. Y. Dong M. Y. Dong X. Dong M. C. Du S. X. Du Y. Y. Duan Z. H. Duan P. Egorov Y. H. Fan J. Fang J. Fang S. S. Fang W. X. Fang Y. Fang Y. Q. Fang R. Farinelli L. Fava F. Feldbauer G. 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Zhang J. W. Zhang J. X. Zhang J. Y. Zhang J. Z. Zhang Jianyu Zhang L. M. Zhang Lei Zhang P. Zhang Q. Y. Zhang R. Y. Zhang S. H. Zhang Shulei Zhang X. D. Zhang X. M. Zhang X. Y Zhang X. Y. Zhang Y. Zhang Y. Zhang Y. T. Zhang Y. H. Zhang Y. M. Zhang Yan Zhang Z. D. Zhang Z. H. Zhang Z. L. Zhang Z. Y. Zhang Z. Y. Zhang Z. Z. Zhang G. Zhao J. Y. Zhao J. Z. Zhao L. Zhao Lei Zhao M. G. Zhao N. Zhao R. P. Zhao S. J. Zhao Y. B. Zhao Y. X. Zhao Z. G. Zhao A. Zhemchugov B. Zheng B. M. Zheng J. P. Zheng W. J. Zheng Y. H. Zheng B. Zhong X. Zhong H. Zhou J. Y. Zhou L. P. Zhou S. Zhou X. Zhou X. K. Zhou X. R. Zhou X. Y. Zhou Y. Z. Zhou A. N. Zhu J. Zhu K. Zhu K. J. Zhu K. S. Zhu L. Zhu L. X. Zhu S. H. Zhu T. J. Zhu W. D. Zhu Y. C. Zhu Z. A. Zhu J. H. Zou J. Zu Improved measurement of the branching fraction of h c → γη′/η and search for h c → γπ 0 Journal of High Energy Physics Branching fraction e +-e − Experiments
title	Improved measurement of the branching fraction of h c → γη′/η and search for h c → γπ 0
title_full	Improved measurement of the branching fraction of h c → γη′/η and search for h c → γπ 0
title_fullStr	Improved measurement of the branching fraction of h c → γη′/η and search for h c → γπ 0
title_full_unstemmed	Improved measurement of the branching fraction of h c → γη′/η and search for h c → γπ 0
title_short	Improved measurement of the branching fraction of h c → γη′/η and search for h c → γπ 0
title_sort	improved measurement of the branching fraction of h c γη η and search for h c γπ 0
topic	Branching fraction e +-e − Experiments
url	https://doi.org/10.1007/JHEP08(2024)180
work_keys_str_mv	AT thebesiiicollaboration improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mablikim improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mnachasov improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT padlarson improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT oafedulidis improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xcai improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT raliberti improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT aamoroso improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT qan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ybai improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT obakina improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ibalossino improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yban improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hrbao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT vbatozskaya improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT kbegzsuren improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT nberger improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mberlowski improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mbertani improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT dbettoni improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fbianchi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ebianco improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT abortone improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT iboyko improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT rabriere improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT abrueggemann improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hcai improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xcai improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT acalcaterra improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT gfcao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ncao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT sacetin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jfchang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT grche improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yzche improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT gchelkov improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cchen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT chchen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT chaochen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT gchen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hschen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hychen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mlchen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT sjchen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT slchen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT smchen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tchen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xrchen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xtchen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ybchen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yqchen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zjchen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zychen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT skchoi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT gcibinetto improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fcossio improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jjcui improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hldai improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jpdai improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT adbeyssi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT redeboer improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ddedovich improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cqdeng improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zydeng improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT adenig improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT idenysenko improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mdestefanis improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fdemori improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT bding improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xxding improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yding improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yding improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jdong improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lydong improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mydong improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xdong improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mcdu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT sxdu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yyduan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zhduan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT pegorov improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yhfan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jfang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jfang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ssfang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wxfang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yfang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yqfang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT rfarinelli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lfava improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ffeldbauer improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT gfelici improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cqfeng improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jhfeng improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ytfeng improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mfritsch improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cdfu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jlfu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ywfu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hgao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xbgao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yngao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yanggao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT sgarbolino improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT igarzia improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lge improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ptge improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zwge improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cgeng improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT emgersabeck improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT agilman improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT kgoetzen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lgong improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wxgong improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wgradl improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT sgramigna improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mgreco improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mhgu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ytgu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cyguan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT aqguo improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lbguo improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mjguo improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT rpguo improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ypguo improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT aguskov improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jgutierrez improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT klhan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tthan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fhanisch improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xqhao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT faharris improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT kkhe improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT klhe improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fhheinsius improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT chheinz improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ykheng improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cherold improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tholtmann improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT pchong improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT gyhou improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xthou improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yrhou improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zlhou improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT byhu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hmhu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jfhu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT slhu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT thu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yhu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT gshuang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT kxhuang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lqhuang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xthuang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yphuang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yshuang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT thussain improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fholzken improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT nhusken improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ninderwiesche improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jjackson improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT sjanchiv improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jhjeong improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT qji improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT qpji improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wji improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xbji improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xlji improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yyji improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xqjia improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zkjia improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT djiang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hbjiang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT pcjiang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ssjiang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tjjiang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xsjiang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yjiang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jbjiao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jkjiao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zjiao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT sjin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yjin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mqjing improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xmjing improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tjohansson improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT skabana improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT nkalantarnayestanaki improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xlkang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xskang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mkavatsyuk improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT bcke improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT vkhachatryan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT akhoukaz improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT rkiuchi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT obkolcu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT bkopf improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mkuessner improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xkui improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT nkumar improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT akupsc improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wkuhn improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jjlane improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT llavezzi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ttlei improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zhlei improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mlellmann improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tlenz improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT chli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT chengli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT dmli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT gli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hbli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hjli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hnli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT huili improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jrli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jsli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT kli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT klli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ljli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lkli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT leili improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mhli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT prli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT qmli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT qxli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT rli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT sxli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wdli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wgli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xhli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xlli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xyli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xzli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ygli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zjli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zyli improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cliang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hliang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hliang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yfliang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ytliang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT grliao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ypliao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jlibby improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT alimphirat improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cclin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT dxlin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tlin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT bjliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT bxliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cxliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fhliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fengliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT gmliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hbliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hhliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hmliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT huihuiliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jbliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jyliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT kliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT kyliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT keliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lcliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT luliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mhliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT plliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT qliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT sbliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wkliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wmliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ybliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zaliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zdliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zqliu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xclou improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fxlu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hjlu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jglu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xllu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ylu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yplu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zhlu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT clluo improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jrluo improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mxluo improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tluo improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xlluo improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xrlyu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yflyu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fcma improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hma improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hlma improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jlma improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT llma improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lrma improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mmma improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT qmma improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT rqma improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tma improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xtma improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xyma improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ymma improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT femaas improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mmaggiora improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT smalde improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yjmao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zpmao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT smarcello improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zxmeng improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jgmesschendorp improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT gmezzadri improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hmiao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tjmin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT remitchell improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xhmo improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT bmoses improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT nyumuchnoi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jmuskalla improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ynefedov improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fnerling improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lsnie improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ibnikolaev improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zning improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT snisar improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT qlniu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wdniu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yniu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT slolsen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT qouyang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT spacetti improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xpan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ypan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT apathak 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improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tyqi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT sqian improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wbqian improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cfqiao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xkqiao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jjqin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lqqin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lyqin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xpqin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xsqin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zhqin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jfqiu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zhqu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cfredmer improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT kjren improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT arivetti improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mrolo improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT grong improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT chrosner improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mqruan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT snruan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT nsalone improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT asarantsev improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yschelhaas improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT kschoenning improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mscodeggio improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT kyshan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wshan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xyshan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zjshang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jfshangguan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lgshao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mshao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cpshen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hfshen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT whshen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xyshen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT bashi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hshi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hcshi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jlshi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jyshi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT qqshi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT syshi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xshi improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jjsong improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tzsong improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wmsong improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yjsong improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yxsong improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ssosio improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT sspataro 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improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jxteng improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT vthoren improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT whtian improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ytian improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zftian improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT iuman improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ywan improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT sjwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT bwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT blwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT bowang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT dywang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hjwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jjwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jpwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT kwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT llwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT nywang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT swang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT swang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT twang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tjwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wwang 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improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yaqianwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yiwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zlwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zywang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ziyiwang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT dhwei improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT fweidner improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT spwen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yrwen improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT uwiedner improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT gwilkinson improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mwolke 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improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tyxing improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cfxu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cjxu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT gfxu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT hyxu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mxu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT qjxu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT qnxu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wxu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wlxu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT xpxu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yxu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT ycxu 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improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yfyang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yxyang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zwyang improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zpyao improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mye improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT mhye improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jhyin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT junhaoyin improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zyyou improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT bxyu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT cxyu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT gyu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jsyu 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improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT lxzhu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT shzhu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT tjzhu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT wdzhu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT yczhu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT zazhu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jhzou improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0 AT jzu improvedmeasurementofthebranchingfractionofhcgēēandsearchforhcgp0

Improved measurement of the branching fraction of h c → γη′/η and search for h c → γπ 0

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