Improved measurements of the Dalitz decays η/η′ → γe⁺e⁻

Medina Ablikim, Mikhail N. Achasov, Patrik Adlarson, Orestis Afedulidis, Xiaocong Ai, Riccardo Aliberti, Antonio Amoroso, Qi An, Y. Bai, Olga Bakina, Ilaria Balossino, Yong Ban, H.-R. Bao, Varvara Batozskaya, Khurelbaatar Begzsuren, Niklaus Berger, Marcin Berlowski, Monica Bertani, Diego Bettoni, Fabrizio Bianchi, E. Bianco, Alberto Bortone, Igor R. Boyko, Roy A. Briere, Anja Brüggemann, H. Cai, Xiao Cai, Alessandro Calcaterra, G. F. Cao, Ning Cao, Serkant Ali Çetin, Jinfan Chang, W. L. Chang, G. R. Che, Gueorgui A. Chelkov, C. Chen, C. H. Chen, Chao Chen, G. Chen, Hesheng Chen, M. L. Chen, S. J. Chen, S. L. Chen, S. M. Chen, T. Chen, X. R. Chen, X. T. Chen, Yuanbo Chen, Y. Q. Chen, Z. J. Chen, Z. Y. Chen, S. K. Choi, Xiaoxuan Chu, Gianluigi Cibinetto, Fabio Cossio, J. J. Cui, Hongliang Dai, J. P. Dai, Alaa Dbeyssi, Remco E. de Boer, Dmitri V. Dedovich, C. Q. Deng, Ziyan Deng, Achim Denig, Igor Denysenko, Marco Giovanni Maria Destefanis, Francesca De Mori, B. Ding, X. X. Ding, Y. Ding, Y. Ding, J. Dong, Liaoyuan Dong, Mingyi Dong, X. Dong, Mengchuan Du, Shuxian Du, Z. H. Duan, P. Egorov, Y. H. Fan, J. Fang, J. Fang, Shuangshi Fang, W. X. Fang, Y. Fang, Y. Q. Fang, Riccardo Farinelli, Luciano Fava, Florian Feldbauer, Giulietto Felici, C. Q. Feng, Junhua Feng, Y. T. Feng, K. Fischer, Miriam Fritsch, Chengdong Fu, J. L. Fu, Y. W. Fu, H. Gao, Y. N. Gao, Yang Gao, S. Garbolino, Isabella Garzia, Panting Ge, Zhenwu Ge, Cong Geng, Evelina Gersabeck, Alexander Gilman, Klaus Goetzen, L. Gong, Wenxuan Gong, Wolfgang Gradl, S. Gramigna, M. Greco, Minhao Gu, Y. T. Gu, C. Y. Guan, Z. L. Guan, Aiqiang Guo, L. B. Guo, M. J. Guo, Rupan Guo, Yuping Guo, Alexey Guskov, J. Gutierrez, K. L. Han, T. T. Han, Xiqing Hao, Frederick Allan Harris, K. K. He, K. L. He, Fritz-Herbert Heinsius, C. H. Heinz, Yuekun Heng, Christoph Herold, Tobias Holtmann, P. C. Hong, G. Y. Hou, Xiantao Hou, Y. R. Hou, Zhilong Hou, B. Y. Hu, Haiming Hu, J. F. Hu, T. Hu, Y. Hu, G. S. Huang, K. X. Huang, L. Q. Huang, Xingtao Huang, Y. P. Huang, Tahir Hussain, F. Hölzken, Nils Hüsken, Nikolai in der Wiesche, Muzaffar Irshad, Joshua Jackson, S. Janchiv, J. H. Jeong, Quan Ji, Qingping Ji, W. Ji, X. B. Ji, X. L. Ji, Y. Y. Ji, X. Q. Jia, Zekun Jia, D. Jiang, H. B. Jiang, Peicheng Jiang, S. S. Jiang, T. J. Jiang, Xiaoshan Jiang, Y. Jiang, J. B. Jiao, J. K. Jiao, Zheng Jiao, Shan Jin, Y. Jin, Maoqiang Jing, X. M. Jing, Tord Johansson, Sonia Kabana, Nasser Kalantar-Nayestanaki, Xiaolin Kang, Xiaolin Kang, Myroslav O. Kavatsyuk, Bai-Cian Ke, V. Khachatryan, Alfons Khoukaz, Ryuta Kiuchi, Onur Bugra Kolcu, Bertram Kopf, Meike Küßner, X. Kui, Andrzej Kupsc, Wolfgang Kühn, John Jake Lane, Paul Larin, Lia Lavezzi, T. T. Lei, Zuohong Lei, Hans Heinrich Leithoff, Max Lellmann, Thomas Lenz, C. Li, C. Li, Chunhua Li, Cheng Li, D. M. Li, F. Li, G. Li, H. Li, Haibo Li, Huijing Li, H. N. Li, Hui Li, J. R. Li, J. S. Li, Ke Li, L. J. Li, L. K. Li, Lei Li, M. H. Li, Peirong Li, Q. M. Li, Q. X. Li, R. Li, S. X. Li, T. Li, Weidong Li, Weiguo Li, X. Li, X. H. Li, X. L. Li, Xiaoyu Li, Yangu Li, Z. J. Li, Z. X. Li, C. Liang, H. Liang, H. Liang, Y. F. Liang, Y. T. Liang, Guangrui Liao, L. Z. Liao, Y. P. Liao, James Libby, A. Limphirat, D. X. Lin, T. Lin, B. J. Liu, B. X. Liu, C. Liu, C. X. Liu, Fu-Hu Liu, Fang Liu, Feng Liu, G. M. Liu, H. Liu, H. B. Liu, H. M. Liu, Huanhuan Liu, Huihui Liu, J. B. Liu, J. Y. Liu, K. Liu, K. Y. Liu, Ke Liu, L. Liu, Liangchen Liu, Lu Liu, Meihong Liu, P. L. Liu, Q. Liu, S. B. Liu, Tong Liu, W. K. Liu, Weimin Liu, X. Liu, X. Liu, Y. Liu, Y. Liu, Y. B. Liu, Zhen-An Liu, Z. D. Liu, Zhiqing Liu, Xinchou Lou, F. X. Lu, H. J. Lu, Junguang Lu, X. L. Lu, Y. Lu, Yunpeng Lu, Z. H. Lu, Chenglin Luo, M. X. Luo, Tao Luo, X. L. Luo, Xiao-Rui Lyu, Y. F. Lyu, Fengcai Ma, H. Ma, Hailong Ma, Jun-Li Ma, Lianliang Ma, M. M. Ma, Qiumei Ma, Runqiu Ma, X. T. Ma, Xiaoyan Ma, Y. Ma, Y. M. Ma, Frank E. Maas, Marco Maggiora, Sneha Malde, Alessio Mangoni, Yajun Mao, Zepu Mao, Simonetta Marcello, Z. X. Meng, Johannes Gerhardus Messchendorp, Giulio Mezzadri, H. Miao, T. J. Min, Ryan Edward Mitchell, Xiaohu Mo, B. Moses, Nikolai Yu. Muchnoi, Jan Muskalla, Yury Nefedov, Frank Nerling, Ivan Borisovich Nikolaev, Z. Ning, Shabana Nisar, Q. L. Niu, W. D. Niu, Y. Niu, Stephen L. Olsen, Qun Ouyang, Simone Pacetti, Xiang Pan, Y. Pan, A. Pathak, Piero Patteri, Y. P. Pei, Marc Pelizäus, H. P. Peng, Y. Y. Peng, Klaus Peters, J. L. Ping, R. G. Ping, S. Plura, Vindhyawasini Prasad, F. Z. Qi, H. Qi, Hongrong Qi, Ming Qi, Tianyu Qi, S. Qian, W. B. Qian, Congfeng Qiao, J. J. Qin, L. Q. Qin, X. S. Qin, Zhonghua Qin, Jinfa Qiu, S. Q. Qu, Z. H. Qu, Christoph Florian Redmer, K. J. Ren, Angelo Rivetti, Manuel Dionisio Da Rocha Rolo, Gang Rong, Christoph Rosner, S. N. Ruan, N. Salone, Andrei V. Sarantsev, Yasemin Schelhaas, Karin Schönning, Marco Scodeggio, K. Y. Shan, Wei Shan, Xinyu Shan, J. F. Shangguan, L. G. Shao, M. Shao, Chengping Shen, Hong-Fei Shen, W. H. Shen, X. Y. Shen, B. A. Shi, Huangchao Shi, J. L. Shi, J. Y. Shi, Q. Q. Shi, Rongsheng Shi, S. Y. Shi, X. Shi, J. J. Song, T. Z. Song, Weimin Song, Y. J. Song, Stefano Sosio, Stefano Spataro, Frederic Stieler, Y. J. Su, G. B. Sun, Gongxing Sun, H. Sun, H. K. Sun, J. F. Sun, K. Sun, Liang Sun, S. S. Sun, T. Sun, Wenyu Sun, Y. Sun, Y. J. Sun, Y. Z. Sun, Z. Q. Sun, Z. T. Sun, C. J. Tang, G. Y. Tang, J. Tang, Y. A. Tang, L. Y. Tao, Q. T. Tao, Martin Tat, Jiaxiu Teng, Viktor Thoren, W. H. Tian, Y. Tian, Z. F. Tian, Ismail Uman, Y. Wan, S. J. Wang, B. Wang, B. L. Wang, Bo Wang, D. Y. Wang, F. Wang, H. J. Wang, J. P. Wang, K. Wang, Liangliang Wang, M. Wang, Meng Wang, N. Y. Wang, S. Wang, S. Wang, T. Wang, T. J. Wang, W. Wang, W. Wang, Weiping Wang, X. Wang, Xiongfei Wang, X. J. Wang, X. L. Wang, X. N. Wang, Y. Wang, Y. D. Wang, Y. F. 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. Wei, D. H. Wei, Frederik Weidner, Shuopin Wen, Y. R. Wen, Ulrich Wiedner, Guy Wilkinson, Magnus Wolke, Leonard Wollenberg, C. Wu, Jinfei Wu, Linghui Wu, Lianjin Wu, Xiao Wu, X. H. Wu, Y. Wu, Y. H. Wu, Y. J. Wu, Z. Wu, L. Xia, X. M. Xian, Benhou Xiang, T. Xiang, D. Xiao, G. Y. Xiao, S. Y. Xiao, Y. L. Xiao, Zhenjun Xiao, Cheng Xie, X. H. Xie, Y. Xie, Y. G. Xie, Y. H. Xie, Z. P. Xie, T. Y. Xing, C. F. Xu, C. J. Xu, Guofa Xu, H. Y. Xu, Q. J. Xu, Q. N. Xu, Wei Xu, W. L. Xu, Xinping Xu, Yingchao Xu, Z. P. Xu, Z. S. Xu, F. Yan, L. Yan, W. B. Yan, Wencheng Yan, X. Q. Yan, H. J. Yang, H. L. Yang, Hongxun Yang, Tao Yang, Y. Yang, Y. F. Yang, Yongxu Yang, Yifan Yang, Z. W. Yang, Z. P. Yao, M. Ye, Minghan Ye, J. H. Yin, Z. Y. You, Boxiang Yu, Chunxu Yu, G. Yu, J. S. Yu, T. Yu, Xudong Yu, Chang-Zheng Yuan, J. Yuan, L. Yuan, S. C. Yuan, Ye 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, Bolun Zhang, B. X. Zhang, D. H. Zhang, G. Y. Zhang, H. Zhang, H. C. Zhang, H. H. Zhang, H. H. Zhang, H. Q. Zhang, Hongyu Zhang, J. Zhang, J. Zhang, J. J. Zhang, Jielei Zhang, Jingqing Zhang, Jiawei Zhang, J. X. Zhang, Jianyong Zhang, J. Z. Zhang, Jianyu Zhang, L. M. Zhang, Lei Zhang, Peng Zhang, Q. Y. Zhang, Shuihan Zhang, Shulei Zhang, X. D. Zhang, X. M. Zhang, X. Y. Zhang, Y. Zhang, Yateng Zhang, Y. H. Zhang, Y. M. Zhang, Yan Zhang, Yao Zhang, Z. D. Zhang, Z. H. Zhang, Z. L. Zhang, Z. Y. Zhang, Z. Y. Zhang, G. Zhao, Jingyi Zhao, J. Z. Zhao, Lei Zhao, Ling Zhao, Ming-Gang Zhao, R. P. Zhao, Shujun Zhao, Yubin Zhao, Y. X. Zhao, Zhengguo Zhao, Alexey Zhemchugov, Bo Zheng, Jianping Zheng, Wenjing Zheng, Y. H. Zheng, B. Zhong, X. Zhong, H. Zhou, J. Y. Zhou, L. P. Zhou, X. Zhou, X. K. Zhou, X. R. Zhou, X. Y. Zhou, Yizhuo Zhou, J. Zhu, K. Zhu, Kejun Zhu, L. Zhu, Linxuan Zhu, S. H. Zhu, S. Q. Zhu, T. J. Zhu, W. J. Zhu, Y. C. Zhu, Zian Zhu, Jiaheng Zou, J. Zu

  • Based on a data sample of 10 billion J/ψ events collected with the BESIII detector, improved measurements of the Dalitz decays η/η′→γe+e− are performed, where the η and η′ are produced through the radiative decays J/ψ→γη/η′. The branching fractions of η→γe+e− and η′→γe+e− are measured to be (7.07±0.05±0.23)×10−3 and (4.83±0.07±0.14)×10−4, respectively. Within the single pole model, the parameter of electromagnetic transition form factor for η→γe+e− is determined to be Λη=(0.749±0.027±0.007) GeV/c2. Within the multi-pole model, we extract the electromagnetic transition form factors for η′→γe+e− to be Λη′=(0.802±0.007±0.008) GeV/c2 and γη′=(0.113±0.010±0.002) GeV/c2. The results are consistent with both theoretical predictions and previous measurements. The characteristic sizes of the interaction regions for the η and η′ are calculated to be (0.645±0.023±0.007) fm and (0.596±0.005±0.006) fm, respectively. In addition, we search for the dark photon in η/η′→γe+e−, and the upper limits of the branching fractions as a function of the dark photon are given at 90\% confidence level.

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Author:Medina AblikimORCiD, Mikhail N. AchasovORCiD, Patrik AdlarsonORCiD, Orestis AfedulidisGND, Xiaocong AiORCiDGND, Riccardo AlibertiORCiDGND, Antonio AmorosoORCiD, Qi An, Y. Bai, Olga Bakina, Ilaria BalossinoORCiD, Yong BanORCiD, H.-R. Bao, Varvara BatozskayaORCiD, Khurelbaatar Begzsuren, Niklaus BergerORCiDGND, Marcin BerlowskiORCiD, Monica BertaniORCiD, Diego BettoniORCiD, Fabrizio BianchiORCiD, E. Bianco, Alberto BortoneORCiD, Igor R. BoykoORCiD, Roy A. BriereORCiD, Anja Brüggemann, H. Cai, Xiao CaiORCiD, Alessandro CalcaterraORCiD, G. F. Cao, Ning CaoORCiD, Serkant Ali ÇetinORCiD, Jinfan ChangORCiD, W. L. Chang, G. R. Che, Gueorgui A. ChelkovORCiD, C. Chen, C. H. Chen, Chao Chen, G. Chen, Hesheng ChenORCiD, M. L. Chen, S. J. Chen, S. L. Chen, S. M. Chen, T. Chen, X. R. Chen, X. T. Chen, Yuanbo ChenORCiD, Y. Q. Chen, Z. J. Chen, Z. Y. Chen, S. K. Choi, Xiaoxuan ChuORCiD, Gianluigi CibinettoORCiD, Fabio CossioORCiD, J. J. Cui, Hongliang DaiORCiD, J. P. Dai, Alaa DbeyssiORCiD, Remco E. de BoerORCiD, Dmitri V. Dedovich, C. Q. Deng, Ziyan DengORCiD, Achim DenigORCiD, Igor Denysenko, Marco Giovanni Maria DestefanisORCiDGND, Francesca De MoriORCiD, B. Ding, X. X. Ding, Y. Ding, Y. Ding, J. Dong, Liaoyuan DongORCiD, Mingyi DongORCiD, X. Dong, Mengchuan DuORCiD, Shuxian Du, Z. H. Duan, P. Egorov, Y. H. Fan, J. Fang, J. Fang, Shuangshi FangORCiD, W. X. Fang, Y. Fang, Y. Q. Fang, Riccardo FarinelliORCiD, Luciano FavaORCiD, Florian FeldbauerGND, Giulietto FeliciORCiD, C. Q. Feng, Junhua FengORCiD, Y. T. Feng, K. Fischer, Miriam FritschORCiDGND, Chengdong FuORCiD, J. L. Fu, Y. W. Fu, H. Gao, Y. N. Gao, Yang Gao, S. Garbolino, Isabella GarziaORCiD, Panting Ge, Zhenwu GeORCiD, Cong GengORCiD, Evelina GersabeckORCiDGND, Alexander GilmanORCiD, Klaus GoetzenORCiDGND, L. Gong, Wenxuan GongORCiD, Wolfgang GradlORCiDGND, S. Gramigna, M. Greco, Minhao GuORCiD, Y. T. Gu, C. Y. Guan, Z. L. Guan, Aiqiang GuoORCiD, L. B. Guo, M. J. Guo, Rupan GuoORCiD, Yuping GuoORCiD, Alexey GuskovORCiD, J. Gutierrez, K. L. Han, T. T. Han, Xiqing Hao, Frederick Allan HarrisGND, K. K. He, K. L. He, Fritz-Herbert HeinsiusORCiDGND, C. H. Heinz, Yuekun HengORCiD, Christoph HeroldORCiDGND, Tobias HoltmannGND, P. C. Hong, G. Y. Hou, Xiantao HouORCiD, Y. R. Hou, Zhilong HouORCiD, B. Y. Hu, Haiming HuORCiD, J. F. Hu, T. Hu, Y. Hu, G. S. Huang, K. X. Huang, L. Q. Huang, Xingtao Huang, Y. P. Huang, Tahir HussainORCiD, F. Hölzken, Nils HüskenORCiDGND, Nikolai in der WiescheORCiD, Muzaffar IrshadORCiD, Joshua Jackson, S. Janchiv, J. H. Jeong, Quan JiORCiD, Qingping JiORCiD, W. Ji, X. B. Ji, X. L. Ji, Y. Y. Ji, X. Q. Jia, Zekun JiaORCiD, D. Jiang, H. B. Jiang, Peicheng JiangORCiD, S. S. Jiang, T. J. Jiang, Xiaoshan JiangORCiD, Y. Jiang, J. B. Jiao, J. K. Jiao, Zheng Jiao, Shan JinORCiD, Y. Jin, Maoqiang JingORCiD, X. M. Jing, Tord JohanssonORCiD, Sonia KabanaORCiD, Nasser Kalantar-NayestanakiORCiD, Xiaolin KangORCiD, Xiaolin KangORCiD, Myroslav O. Kavatsyuk, Bai-Cian KeORCiD, V. Khachatryan, Alfons KhoukazORCiDGND, Ryuta Kiuchi, Onur Bugra KolcuORCiD, Bertram KopfGND, Meike KüßnerORCiDGND, X. Kui, Andrzej KupscORCiD, Wolfgang KühnORCiD, John Jake LaneORCiD, Paul LarinGND, Lia LavezziORCiD, T. T. Lei, Zuohong Lei, Hans Heinrich LeithoffGND, Max LellmannORCiD, Thomas LenzORCiDGND, C. Li, C. Li, Chunhua LiORCiD, Cheng Li, D. M. Li, F. Li, G. Li, H. Li, Haibo LiORCiD, Huijing LiORCiD, H. N. Li, Hui Li, J. R. Li, J. S. Li, Ke Li, L. J. Li, L. K. Li, Lei LiORCiD, M. H. Li, Peirong LiORCiD, Q. M. Li, Q. X. Li, R. Li, S. X. Li, T. Li, Weidong LiORCiD, Weiguo LiORCiD, X. Li, X. H. Li, X. L. Li, Xiaoyu Li, Yangu LiORCiD, Z. J. Li, Z. X. Li, C. Liang, H. Liang, H. Liang, Y. F. Liang, Y. T. Liang, Guangrui LiaoORCiD, L. Z. Liao, Y. P. Liao, James LibbyORCiD, A. Limphirat, D. X. Lin, T. Lin, B. J. Liu, B. X. Liu, C. Liu, C. X. Liu, Fu-Hu LiuORCiD, Fang Liu, Feng Liu, G. M. Liu, H. Liu, H. B. Liu, H. M. Liu, Huanhuan LiuORCiD, Huihui Liu, J. B. Liu, J. Y. Liu, K. Liu, K. Y. Liu, Ke LiuORCiD, L. Liu, Liangchen LiuORCiD, Lu Liu, Meihong LiuORCiD, P. L. Liu, Q. Liu, S. B. Liu, Tong Liu, W. K. Liu, Weimin Liu, X. Liu, X. Liu, Y. Liu, Y. Liu, Y. B. Liu, Zhen-An LiuORCiDGND, Z. D. Liu, Zhiqing LiuORCiD, Xinchou LouORCiD, F. X. Lu, H. J. Lu, Junguang LuORCiD, X. L. Lu, Y. Lu, Yunpeng LuORCiD, Z. H. Lu, Chenglin LuoORCiD, M. X. Luo, Tao LuoORCiD, X. L. Luo, Xiao-Rui LyuORCiD, Y. F. Lyu, Fengcai Ma, H. Ma, Hailong MaORCiD, Jun-Li MaORCiD, Lianliang MaORCiD, M. M. Ma, Qiumei MaORCiD, Runqiu MaORCiD, X. T. Ma, Xiaoyan MaORCiD, Y. Ma, Y. M. Ma, Frank E. MaasORCiDGND, Marco MaggioraORCiD, Sneha MaldeORCiD, Alessio MangoniORCiD, Yajun Mao, Zepu Mao, Simonetta MarcelloORCiD, Z. X. Meng, Johannes Gerhardus MesschendorpORCiDGND, Giulio MezzadriORCiD, H. Miao, T. J. Min, Ryan Edward MitchellORCiD, Xiaohu MoORCiD, B. Moses, Nikolai Yu. MuchnoiORCiDGND, Jan Muskalla, Yury NefedovORCiD, Frank NerlingORCiD, Ivan Borisovich NikolaevORCiD, Z. Ning, Shabana Nisar, Q. L. Niu, W. D. Niu, Y. Niu, Stephen L. OlsenORCiD, Qun OuyangORCiD, Simone PacettiORCiD, Xiang PanORCiD, Y. Pan, A. Pathak, Piero PatteriORCiD, Y. P. Pei, Marc PelizäusGND, H. P. Peng, Y. Y. Peng, Klaus PetersORCiDGND, J. L. Ping, R. G. Ping, S. Plura, Vindhyawasini PrasadORCiD, F. Z. Qi, H. Qi, Hongrong QiORCiD, Ming QiORCiD, Tianyu QiORCiD, S. Qian, W. B. Qian, Congfeng Qiao, J. J. Qin, L. Q. Qin, X. S. Qin, Zhonghua QinORCiD, Jinfa QiuORCiD, S. Q. Qu, Z. H. Qu, Christoph Florian RedmerORCiDGND, K. J. Ren, Angelo RivettiORCiD, Manuel Dionisio Da Rocha RoloORCiD, Gang RongORCiD, Christoph RosnerORCiDGND, S. N. Ruan, N. Salone, Andrei V. SarantsevGND, Yasemin SchelhaasORCiD, Karin SchönningORCiD, Marco ScodeggioORCiD, K. Y. Shan, Wei ShanORCiD, Xinyu ShanORCiD, J. F. Shangguan, L. G. Shao, M. Shao, Chengping ShenORCiD, Hong-Fei ShenORCiD, W. H. Shen, X. Y. Shen, B. A. Shi, Huangchao ShiORCiD, J. L. Shi, J. Y. Shi, Q. Q. Shi, Rongsheng ShiORCiD, S. Y. Shi, X. Shi, J. J. Song, T. Z. Song, Weimin SongORCiD, Y. J. Song, Stefano SosioORCiD, Stefano SpataroORCiD, Frederic Stieler, Y. J. Su, G. B. Sun, Gongxing SunORCiD, H. Sun, H. K. Sun, J. F. Sun, K. Sun, Liang SunORCiD, S. S. Sun, T. Sun, Wenyu SunORCiD, Y. Sun, Y. J. Sun, Y. Z. Sun, Z. Q. Sun, Z. T. Sun, C. J. Tang, G. Y. Tang, J. Tang, Y. A. Tang, L. Y. Tao, Q. T. Tao, Martin TatORCiD, Jiaxiu TengORCiD, Viktor ThorenORCiD, W. H. Tian, Y. Tian, Z. F. Tian, Ismail UmanORCiDGND, Y. Wan, S. J. Wang, B. Wang, B. L. Wang, Bo Wang, D. Y. Wang, F. Wang, H. J. Wang, J. P. Wang, K. Wang, Liangliang WangORCiD, M. Wang, Meng WangORCiD, N. Y. Wang, S. Wang, S. Wang, T. Wang, T. J. Wang, W. Wang, W. Wang, Weiping WangORCiD, X. Wang, Xiongfei WangORCiD, X. J. Wang, X. L. Wang, X. N. Wang, Y. Wang, Y. D. Wang, Y. F. Wang, Y. L. Wang, Y. N. Wang, Y. Q. Wang, Yaqian Wang, Yi Wang, Z. Wang, Z. L. Wang, Z. Y. Wang, Ziyi WangORCiD, D. Wei, D. H. Wei, Frederik Weidner, Shuopin WenORCiD, Y. R. Wen, Ulrich WiednerORCiDGND, Guy WilkinsonORCiD, Magnus WolkeGND, Leonard Wollenberg, C. Wu, Jinfei WuORCiD, Linghui WuORCiD, Lianjin WuORCiD, Xiao WuORCiD, X. H. Wu, Y. Wu, Y. H. Wu, Y. J. Wu, Z. Wu, L. Xia, X. M. Xian, Benhou XiangORCiD, T. Xiang, D. Xiao, G. Y. Xiao, S. Y. Xiao, Y. L. Xiao, Zhenjun XiaoORCiD, Cheng XieORCiD, X. H. Xie, Y. Xie, Y. G. Xie, Y. H. Xie, Z. P. Xie, T. Y. Xing, C. F. Xu, C. J. Xu, Guofa XuORCiD, H. Y. Xu, Q. J. Xu, Q. N. Xu, Wei XuORCiD, W. L. Xu, Xinping XuORCiD, Yingchao XuORCiD, Z. P. Xu, Z. S. Xu, F. Yan, L. Yan, W. B. Yan, Wencheng YanORCiD, X. Q. Yan, H. J. Yang, H. L. Yang, Hongxun YangORCiD, Tao Yang, Y. Yang, Y. F. Yang, Yongxu Yang, Yifan YangORCiD, Z. W. Yang, Z. P. Yao, M. Ye, Minghan Ye, J. H. Yin, Z. Y. You, Boxiang YuORCiD, Chunxu Yu, G. Yu, J. S. Yu, T. 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URN:urn:nbn:de:hebis:30:3-867511
DOI:https://doi.org/10.1103/PhysRevD.109.072001
ISSN:2470-0029
ISSN:2470-0010
ArXiv Id:http://arxiv.org/abs/2401.09136
Parent Title (English):Phys. Rev. D
Publisher:American Physical Society
Place of publication:Ridge, NY
Document Type:Article
Language:English
Date of Publication (online):2024/04/03
Date of first Publication:2024/04/03
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Creating Corporation:BESIII Collaboration
Release Date:2024/09/02
Volume:109
Issue:7, 072001
Article Number:072001
Page Number:13
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International