Search for the FCNC charmonium decay J/ψ → D0μ+μ− + c.c.

A bstract Based on a data sample of (10087 ± 44) × 10 6 J / ψ events taken with the BESIII detector, we search for the flavor-changing neutral current charmonium decay J / ψ → D 0 μ + μ − + c.c. . No significant signal above the background is observed, and the upper limit on its branching fraction is set to be ℬ( J / ψ → D 0 μ + μ − + c.c.) < 1.1 × 10 − 7 at the 90% confidence level. This marks the first search for a flavor-changing neutral current charmonium decay involving muons in the final state.

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Journal
Journal of High Energy Physics
Published
2025-04-09
DOI
https://doi.org/10.1007/jhep04(2025)061
Primary Topic
Particle physics theoretical and experimental studies
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article
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article

Search for the FCNC charmonium decay J/ψ → D0μ+μ− + c.c.

J. L. Shi, X. M. Zhang, P. R. Li, K. Y. Shan et al.
Journal of High Energy Physics
Particle physics theoretical and experimental studies
article

Search for the FCNC charmonium decay J/ψ → D0μ+μ− + c.c.

J. L. Shi, X. M. Zhang, P. R. Li, K. Y. Shan, Q. M. Li, X. R. Zhou, G. S. Huang, X. Dong, Zengyun Hu, Z. C. Zhou, W. C. Yan, F. Stieler, M. H. Li, Ch. Rosner, Z. W. Ge, Z. Y. Lv, K. Wang, Yanhu Zhan, Z. Y. Zhang, J. K. Jiao, X. H. Li, Q. Liu, M. Bertani, W. P. Wang, Feng Li, Y. J. Zeng, Y. L. Xiao, V. Khachatryan, X. Q. Yan, C. Z. Yuan, F. Z. Qi, J. J. Qin, J. F. Qiu, Y. P. Pei, X. H. Xie, Y. Z., Z. G. Zhao, Y. H. Fan, G. B. Sun, Y. T. Zhang, M. Wang, H. Y. Zhang, Xiangdong Ji, M. Tang, S. S. Rong, X. R. Zheng, L. J. Li, Z. D. Zhang, F. Hanisch, X. L. Wang, J. J. Fan, C. J. Xu, J. Dong, Y. G. Li, Yaqian Wang, Y. Zhou, L. L., N. Berger, L. W. Wang, S. Gramigna, T. J. Jiang, M. Pelizaeus, H. J. Wang, S. Janchiv, T. Li, X. R. Lyu, A. Limphirat, H. Zhang, Y. Q. Chen, Lei Zhao, S. N. Ruan, Z. L. Wang, X. M. Xian, X. D. Yu, W. D. Niu, W. M. Song, H. B. Li, Y. R. Hou, C. Liu, P. C. Hong, I. Denysenko, Ye Ding, Weiwei Zhu, B. Wang, Q. X. Li, P. Egorov, J. X. Zhang, Z. Wu, J. R. Li, C. X. 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T. Liu, A. Calcaterra, Ying Sun, M. Kavatsyuk, Z. Q. Liu, Lina Zhao, L. Y. Tao, S. Wang, X. M. Jing, J. Yuan, I. Boyko, R. Farinelli, M. H. Ye, K. J. Xie, J. L. Zhang, V. Batozskaya, M. Lellmann, M. Greco, R. Aliberti, G. Y. Hou, G. Mezzadri, C. F. Xu, M. R. Li, Y. M., M. Q. Jing, Lu Fang, J. H. Qiao, Y. H. Zhang, Y. P. Guo, C. Li, L. S. Nie, B. J. Liu, Hongyuan Shi, C. H. Li, O. B. Kolcu, J. F. Hu, Y. K. Heng, Yunfei Bai, R. Kiuchi, T. J. Zhu, Y. N. Wang, C. H. Heinz, I. Mackay, J. F. Chang, F. A. Harris, Y. F. Wang, M. Rolo, S. Garbolino, G. R., D. M. Li, Z. P. Xie, H. Ma, Taiyong Li, X. Y. Shen, Francesca Rosini, Chun Shen, X. Y. Liu, D. Jiang, F. E. Maas, L. Gong, H. S. Chen, P. L. Liu, Zh. Zh. Zhang, M. Scodeggio, H. R. Zhang, Y. F. Liang, D. H. Wei, T. Z. Song, N. Y. Wang, J. R. Luo, D. Y. Wang, N. Salone, M. Ye, J. L., K. D. Hao, A. Rivetti, P. C. Jiang, Jianying Zhou, Lei Zhu, H. X. Yang, J. J. Zhang, X. H. Wu, H. Liu, F. H. Heinsius, R. Q., X. Y Zhang, K. Liu, A. Pathak, C. F. Qiao, J. J. Cui, S. C. Yuan, J. J. Liu, H. H. Zhang, W. D. Zhu, Y. Liu, J. H. Feng, S. A. Cetin, Y. L. Wang, X. T. Chen, J. Y. Zhang, X. Y. Zhou, L. L. Wang, H. J. Li, Y. Y. Ji, Z. A. Liu, G. Li, R. E. Mitchell, Y. Lu, Tianyu Hu, X. Y. Shan, J. F. Sun, F. Cossio, A. Q. Guo, J. Jackson, S. P. Wen, L. Sun, J. H. Yang, X. K. Zhou, Renyi Zhang, G. Y. Zhang, X. P. Xu, B. A. Shi, H. L. Yang, A. Khoukaz, S. Marcello, W. B. Yan, Z. T. Sun, M. C. Du, J. P. Zheng, W. G. Li, Z. L. Wang, S. Spataro, X. P. Qin, H. B. Jiang, H. C. Zhang, Z. X. Meng, M. Tat, S. J. Chen, F. De Mori, S. B. Liu, H. M. Liu, F. Feldbauer, T. J. Wang, T. T. Lei, Y. Z. Sun, H. H. Liu, Y. X. Song, J. B. Liu, A. Q. Zhang, H. K. Sun, Z. A. Zhu, M. Berlowski, J. Y. Tian, X. Zhou, C. L. Luo, Yi Pan, Tiange Wang, Hui Li, X. Q. Hao, Xiaoying Zhuang, X. T., A. G. Denig, M. Q. Ruan, M. H. Gu, S. M. Chen, R. E. de Boer, Hao Cai, Y. F. Yang, G. Cibinetto, T. Johansson, U. Wiedner, W. D. Li, X. J. Wang, Z. Y. Li, X. Y. Zhang, A. Amoroso, K. Schoenning, X. L. Luo, P. L. Li, Y. Q. Wang, E. Bianco, J. G. Lu, A. A. Zafar, Jiahui Tang, J. Q. Zhou, W. P. Yan, H. Lü, Jianping Zhang, H. F. Shen, K. Goetzen, Z. H. Lu, T. Xiang, Tao Sun, P. Adlarson, Zhidan Liu, J. Z. Zhang, L. R., Z. J. Shang, M. Ablikim, X. Wang, Y. D. Wang, J. Z. Zhao, G. Chelkov, X. Y. Zhai, X. Kang, X. F. Wang, B. X. Liu, M. Wolke, K. K. He, Z. X. Zhang, G. R. Liao, G. Y. Tang, W. K. Liu, S. H. Zhang, Y. Q. Yang, W. B. Qian, X. X. Ding, Y. R. Wen, Y. H. Wang, W. Wang, D. X. Lin, J. F. Shangguan, Y. B. Liu, Z. H. Qu, O. Bakina, Jianjun Song, P. B. Qin, G. M. Liu, E. M. Gersabeck, J. H. Yin, G. Y. Zhang, S. H. Zeng, M. Qi, Z. Z. Zhang, J. W. Zhang, T. Hussain, B. L. Zhang, L. C. Liu, V. Prasad, Y. Huang, M. Y. Dong, M. J. Guo, Y. B. Chen, T. Lin, K. Liu, B. X. Zhang, Q. M., Xubo Gao, K. L. Li, S. Plura, Y. J. Zeng, L. G. Shao, Q. Y. Zhang, Z. Wang, A. Guskov, Z. Q. Wang, Bingwen Hu, H. R. Wei, C. Chen, P. Zhang, L. Q. Qin, L. Y. Dong, N. in der Wiesche, B. Moses, G. Felici, Ke Liu, X. B. Ji, Y. Tian, Z. Ning, Y. P. Liao, I. Garzia, Changsheng Xie, Yuan Wang, Yan Liu, Yu Gu, X. Y. Li, Tao Chen, F. H. Liu, X. Li, Cong Wang, Lu Liu, Chao Chen, Feng Liu, Lei Zhang, Lei Li, B. Zhong, M. Shao, Y. C. Xu, R. P. Zhao, Jianyu Zhang, Junjun Wang, Y. Fu, Heng Xu, Guanlong Yu, S. M. Wu, Yuan Li, T. T. Han, Yongping Li, J. S. Luo, Hui Yan, Y. Jin, Qing Lan, Han Miao, Hang Gao, B. Zheng, L. Fava, X. Zhong, M. Destefanis, Lianjie Wu, W. M. Liu, T. Holtmann, N. Cao, T. Yu, X. Pan, K. S. Zhu, S. Y. Shi, N. Zhao, K. L. Han, Gaofeng Fan, H. Sun, Changqing Wang, Yi Wang, Y. Hu, J. Y. Shi, L. Q. Huang, R. P. Guo, Y. Mao, Y. C. Sun, C. Chen, Q. N. Xu, J. Fang, Yue Wu, Liang Cheng, A. N. Zhu, J. Yuan, Ye Lu, Y. L. Zhao, K. Sun, Lin Li, H. Yuan, Y. X. Ding, Q. P. Hu, S. L. Hu, Y. B. Zhao, B. H. Xiang, Kangwei Li, Yanqing Gao, Y. Yuan, Y. Y. Duan, G. Wilkinson, Y. P. Lu, S. S. Sun, Y. H. Yang, S. J. Zhao, Yuqi Yang, J. F. Wu, X. S. Jiang, Yang Gao, S. Su, L. Y. Qin, C. C. Lin, Cheng Li, J. S. Yu, Q. J. Xu, Y. Fang, W. L. Xu, Feng Liu, X. T. Huang, Z. J. Xiao, Han Liang, W. Shan, K. L. He, G. F. Xu, S. Pacetti, M. C. Yu, S. X. Du, G. F. Cao, J. P. Dai, K. Peters, Z. S. Xu, Huihui Liu, J. Y. Zhao, Y. X. Zhao, H. Hu, X. Cai, Q. P. Ji, C. F. Redmer, S. Zhou, Q. Ouyang, Y. Z. Yang, A. Kupsc, C. Geng, X. C. Lou, N. Zhou, C. Q. Feng, Y. Xu, G. Zhao, Y. Xie, T. Ma, N. Kalantar-Nayestanaki, B. C. Ke, Z. P. Mao, X. C. Ai, F. Bianchi, W. Ji, Z. H. Qin, A. Sarantsev, L. Liu, Si-Jin Qian, Y. Jiang, S. Malde, C. X. Yu, G. Rong, L. Yuan, X. Shi, Y. Zeng, D. Xiao, H. P. Peng, B. X. Yu, J. B. Jiao, M. G. Zhao, X. Y., M. N. Achasov, R. A. Briere, X. Chu, J. Libby, T. Lenz, B. Kopf, N. Yu. Muchnoi, Z. Jiao, Rong-Jia Yang, X. L. Li, L. H. Wu, K. Zhu, Y. H. Lyu, Y. J. Sun, Z. Y. Deng, Y. H. Zheng, D. Dedovich, X. S. Kang, S. Sosio, Y. Ban, H. Y. Chen, X. Y. Chai, D. Bettoni, X. H. Mo, S. Nisar, M. H. Liao, Ping Huang, Y. Y. Gao, W. H. Tian, N. Kumar, Z. L. Zhang, W. X. Fang, S. Kabana, M. X. Luo, L. X. Zhu, C. D. Fu, Z. Y. Yuan, F. Nerling, C. J. Tang, H. L. Dai, Ling Liao, L. F. Tang, H. J. Lü, Z. Y. You, K. J. Zhu, G. X. Sun, P. T. Ge, H. J. Yang, T. J. Min, J. Zu, Q. Ji, W. N. Lan, Z. L. Hou, Z. Jiao, Y. C. Yu, H. Xiao, W. Gradl, S. S. Fang, M. Xu, Y. Nefedov, S. J. Jiang, B. Ding, Z. J. Li, Y. G. Xie, B. M. Zheng, X. Kui, Y. A. Tang, Q. L. Niu, X. S. Qin, J. L. Fu, J. Gutierrez, Shulei Zhang, J. Zhu, S. L. Chen, Y. Yang, H. -R. Bao, L. J. Wu, W. Kühn, I. B. Nikolaev, C. Y. Wu, X. Wu, Nan Zhang, Ying Yue, Q. An, T. Liu, Qian Zhang, Yi Zhang, Yuhua Wang, Bo Wang, L. Guo
article en

Abstract

A bstract Based on a data sample of (10087 ± 44) × 10 6 J / ψ events taken with the BESIII detector, we search for the flavor-changing neutral current charmonium decay J / ψ → D 0 μ + μ − + c.c. . No significant signal above the background is observed, and the upper limit on its branching fraction is set to be ℬ( J / ψ → D 0 μ + μ − + c.c.) < 1.1 × 10 − 7 at the 90% confidence level. This marks the first search for a flavor-changing neutral current charmonium decay involving muons in the final state.

Journal of High Energy PhysicsVol. 2025(4)
Goethe University Frankfurt (DE), University of Science and Technology Liaoning (CN), Liaoning University (CN), Università degli Studi del Piemonte Orientale “Amedeo Avogadro” (IT), Uppsala University (SE), University of Science and Technology of China (CN), University of Hawaii System (US), Central South University (CN), Guangxi University (CN), Nanjing Normal University (CN), Liaoning Normal University (CN), North China Electric Power University (CN), Moscow Institute of Physics and Technology (RU), Shandong University (CN), COMSATS University Islamabad (PK), Hangzhou Normal University (CN), Hunan University (CN), Henan University of Science and Technology (CN), University of Groningen (NL), GSI Helmholtz Centre for Heavy Ion Research (DE), University of the Punjab (PK), Hunan Normal University (CN), Henan University (CN), Shanghai Jiao Tong University (CN), Yantai University (CN), University of Tarapacá (CL), South China Normal University (CN), Novosibirsk State University (RU), Yunnan University (CN), Jilin University (CN), Johannes Gutenberg University Mainz (DE), Justus-Liebig-Universität Gießen (DE), University of Ferrara (IT), Qufu Normal University (CN), Peking University (CN), Nankai University (CN), University of Münster (DE), Sichuan University (CN), Indian Institute of Technology Madras (IN), Fudan University (CN), Inner Mongolia University (CN), University of Perugia (IT), Kurchatov Institute (RU), Shandong Normal University (CN), University of Manchester (GB), Guangxi Normal University (CN), China University of Geosciences (CN), Huangshan University (CN), Joint Institute for Nuclear Research (RU), University of Jinan (CN), Henan University of Technology (CN), University of Bristol (GB), Wuhan University (CN), Zhengzhou University (CN), University of Oxford (GB), Central China Normal University (CN), National Centre for Nuclear Research (PL), Institute of Particle Physics (CA), Istituto Nazionale di Fisica Nucleare, Sezione di Ferrara (IT), Helmholtz Institute Mainz (DE), Istinye University (TR), Institute of Modern Physics (CN), Institute of Nuclear and Particle Physics (GR), Jilin Medical University (CN), Shanxi University of Traditional Chinese Medicine (CN), Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati (IT), Piedmont University (US), Bristol Robotics Laboratory (GB), Istituto Nazionale di Fisica Nucleare, Sezione di Perugia (IT), University of Chinese Academy of Sciences (CN), Hebei University (CN), Budker Institute of Nuclear Physics (RU), École Polytechnique Fédérale de Lausanne (CH), China Center of Advanced Science and Technology (CN), University of Turin (IT), Indiana University (US), Chung-Ang University (KR), Near East University (CY), Carnegie Mellon University (US), Henan Normal University (CN), Zhejiang University (CN), Lanzhou University (CN), Renmin University of China (CN), Suranaree University of Technology (TH), Beihang University (CN), Nanjing University (CN), Ruhr University Bochum (DE), University of South China (CN), Shanxi Normal University (CN), Tsinghua University (CN)
U.S. Department of Energy, Strong, National Research Foundation, Deutsche Forschungsgemeinschaft, Swedish Foundation for International Cooperation in Research and Higher Education, National Natural Science Foundation of China, Chinese Academy of Sciences, National Research Foundation of Korea, Knut och Alice Wallenbergs Stiftelse, Vetenskapsrådet, Istituto Nazionale di Fisica Nucleare, CAS Center for Excellence in Particle Physics, Shanghai Key Laboratory for Particle Physics and Cosmology, Agencia Nacional de Investigación y Desarrollo, Institute of High Energy Physics
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Particle physics theoretical and experimental studies
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