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@ARTICLE{Ablikim:354936,
      author       = {Ablikim, M. and Achasov, M. N. and Adlarson, P. and Ahmed,
                      S. and Albrecht, M. and Aliberti, R. and Amoroso, A. and An,
                      M. R. and An, Q. and Bai, X. H. and Bai, Y. and Bakina, O.
                      and Ferroli, R. Baldini and Balossino, I. and Ban, Y. and
                      Begzsuren, K. and Berger, N. and Bertani, M. and Bettoni, D.
                      and Bianchi, F. and Bloms, J. and Bortone, A. and Boyko, I.
                      and Briere, R. A. and Cai, H. and Cai, X. and Calcaterra, A.
                      and Cao, G. F. and Cao, N. and Cetin, S. A. and Chang, J. F.
                      and Chang, W. L. and Chelkov, G. and Chen, D. Y. and Chen,
                      G. and Chen, H. S. and Chen, M. L. and Chen, S. J. and Chen,
                      X. R. and Chen, Y. B. and Chen, Z. J. and Cheng, W. S. and
                      Cibinetto, G. and Cossio, F. and Cui, X. F. and Dai, H. L.
                      and Dai, J. P. and Dai, X. C. and Dbeyssi, A. and de Boer,
                      R. E. and Dedovich, D. and Deng, Z. Y. and Denig, A. and
                      Denysenko, I. and Destefanis, M. and De Mori, F. and Ding,
                      Y. and Dong, C. and Dong, J. and Dong, L. Y. and Dong, M. Y.
                      and Dong, X. and Du, S. X. and Fan, Y. L. and Fang, J. and
                      Fang, S. S. and Fang, Y. and Farinelli, R. and Fava, L. and
                      Feldbauer, F. and Felici, G. and Feng, C. Q. and Feng, J. H.
                      and Fritsch, M. and Fu, C. D. and Gao, Y. and Gao, Y. and
                      Gao, Y. and Gao, Y. G. and Garzia, I. and Ge, P. T. and
                      Geng, C. and Gersabeck, E. M. and Goetzen, K. and Gong, L.
                      and Gong, W. X. and Gradl, W. and Greco, M. and Gu, L. M.
                      and Gu, M. H. and Gu, S. and Gu, Y. T. and Guan, C. Y. and
                      Guo, A. Q. and Guo, L. B. and Guo, R. P. and Guo, Y. P. and
                      Guskov, A. and Han, T. T. and Han, W. Y. and Hao, X. Q. and
                      Harris, F. A. and Hüsken, H. and He, K. L. and Heinsius, F.
                      H. and Heinz, C. H. and Held, T. and Heng, Y. K. and Herold,
                      C. and Himmelreich, M. and Holtmann, T. and Hou, Y. R. and
                      Hou, Z. L. and Hu, H. M. and Hu, J. F. and Hu, T. and Hu, Y.
                      and Huang, G. S. and Huang, L. Q. and Huang, X. T. and
                      Huang, Y. P. and Huang, Z. and Hussain, T. and Andersson, W.
                      Ikegami and Imoehl, W. and Irshad, M. and Jaeger, S. and
                      Janchiv, S. and Ji, Q. and Ji, Q. P. and Ji, X. B. and Ji,
                      X. L. and Jiang, H. B. and Jiang, X. S. and Jiao, J. B. and
                      Jiao, Z. and Jin, S. and Jin, Y. and Johansson, T. and
                      Kalantar-Nayestanaki, N. and Kang, X. S. and Kappert, R. and
                      Kavatsyuk, M. and Ke, B. C. and Keshk, I. K. and Khoukaz, A.
                      and Kiese, P. and Kiuchi, R. and Kliemt, R. and Koch, L. and
                      Kolcu, O. B. and Kopf, B. and Kuemmel, M. and Kuessner, M.
                      and Kupsc, A. and Kurth, M. G. and Kühn, W. and Lane, J. J.
                      and Lange, J. S. and Larin, P. and Lavania, A. and Lavezzi,
                      L. and Lei, Z. H. and Leithoff, H. and Lellmann, M. and
                      Lenz, T. and Li, C. and Li, C. H. and Li, Cheng and Li, D.
                      M. and Li, F. and Li, G. and Li, H. and Li, H. and Li, H. B.
                      and Li, H. J. and Li, J. L. and Li, J. Q. and Li, J. S. and
                      Li, Ke and Li, L. K. and Li, Lei and Li, P. R. and Li, S. Y.
                      and Li, W. D. and Li, W. G. and Li, X. H. and Li, X. L. and
                      Li, Z. Y. and Liang, H. and Liang, H. and Liang, H. and
                      Liang, Y. F. and Liang, Y. T. and Liao, L. Z. and Libby, J.
                      and Lin, C. X. and Liu, B. J. and Liu, C. X. and Liu, D. and
                      Liu, F. H. and Liu, Fang and Liu, Feng and Liu, H. B. and
                      Liu, H. M. and Liu, Huanhuan and Liu, Huihui and Liu, J. B.
                      and Liu, J. L. and Liu, J. Y. and Liu, K. and Liu, K. Y. and
                      Liu, Ke and Liu, L. and Liu, M. H. and Liu, P. L. and Liu,
                      Q. and Liu, Q. and Liu, S. B. and Liu, Shuai and Liu, T. and
                      Liu, W. M. and Liu, X. and Liu, Y. and Liu, Y. B. and Liu,
                      Z. A. and Liu, Z. Q. and Lou, X. C. and Lu, F. X. and Lu, F.
                      X. and Lu, H. J. and Lu, J. D. and Lu, J. G. and Lu, X. L.
                      and Lu, Y. and Lu, Y. P. and Luo, C. L. and Luo, M. X. and
                      Luo, P. W. and Luo, T. and Luo, X. L. and Lusso, S. and Lyu,
                      X. R. and Ma, F. C. and Ma, H. L. and Ma, L. L. and Ma, M.
                      M. and Ma, Q. M. and Ma, R. Q. and Ma, R. T. and Ma, X. X.
                      and Ma, X. Y. and Maas, F. E. and Maggiora, M. and Maldaner,
                      S. and Malde, S. and Malik, Q. A. and Mangoni, A. and Mao,
                      Y. J. and Mao, Z. P. and Marcello, S. and Meng, Z. X. and
                      Messchendorp, J. G. and Mezzadri, G. and Min, T. J. and
                      Mitchell, R. E. and Mo, X. H. and Mo, Y. J. and Muchnoi, N.
                      Yu. and Muramatsu, H. and Nakhoul, S. and Nefedov, Y. and
                      Nerling, F. and Nikolaev, I. B. and Ning, Z. and Nisar, S.
                      and Olsen, S. L. and Ouyang, Q. and Pacetti, S. and Pan, X.
                      and Pan, Y. and Pathak, A. and Patteri, P. and Pelizaeus, M.
                      and Peng, H. P. and Peters, K. and Pettersson, J. and Ping,
                      J. L. and Ping, R. G. and Poling, R. and Prasad, V. and Qi,
                      H. and Qi, H. R. and Qi, K. H. and Qi, M. and Qi, T. Y. and
                      Qi, T. Y. and Qian, S. and Qian, W.-B. and Qian, Z. and
                      Qiao, C. F. and Qin, L. Q. and Qin, X. S. and Qin, Z. H. and
                      Qiu, J. F. and Qu, S. Q. and Rashid, K. H. and Ravindran, K.
                      and Redmer, C. F. and Rivetti, A. and Rodin, V. and Rolo, M.
                      and Rong, G. and Rosner, Ch. and Rump, M. and Sang, H. S.
                      and Sarantsev, A. and Schelhaas, Y. and Schnier, C. and
                      Schoenning, K. and Scodeggio, M. and Shan, D. C. and Shan,
                      W. and Shan, X. Y. and Shangguan, J. F. and Shao, M. and
                      Shen, C. P. and Shen, P. X. and Shen, X. Y. and Shi, H. C.
                      and Shi, R. S. and Shi, X. and Shi, X. D. and Song, W. M.
                      and Song, Y. X. and Sosio, S. and Spataro, S. and Su, K. X.
                      and Su, P. P. and Sui, F. F. and Sun, G. X. and Sun, H. K.
                      and Sun, J. F. and Sun, L. and Sun, S. S. and Sun, T. and
                      Sun, W. Y. and Sun, W. Y. and Sun, X. and Sun, Y. J. and
                      Sun, Y. K. and Sun, Y. Z. and Sun, Z. T. and Tan, Y. H. and
                      Tan, Y. X. and Tang, C. J. and Tang, G. Y. and Tang, J. and
                      Teng, J. X. and Thoren, V. and Uman, I. and Wang, B. and
                      Wang, C. W. and Wang, D. Y. and Wang, H. J. and Wang, H. P.
                      and Wang, K. and Wang, L. L. and Wang, M. and Wang, M. Z.
                      and Wang, Meng and Wang, W. and Wang, W. H. and Wang, W. P.
                      and Wang, X. and Wang, X. F. and Wang, X. L. and Wang, Y.
                      and Wang, Y. and Wang, Y. D. and Wang, Y. F. and Wang, Y. Q.
                      and Wang, Y. Y. and Wang, Z. and Wang, Z. Y. and Wang, Ziyi
                      and Wang, Zongyuan and Wei, D. H. and Weidenkaff, P. and
                      Weidner, F. and Wen, S. P. and White, D. J. and Wiedner, U.
                      and Wilkinson, G. and Wolke, M. and Wollenberg, L. and Wu,
                      J. F. and Wu, L. H. and Wu, L. J. and Wu, X. and Wu, Z. and
                      Xia, L. and Xiao, H. and Xiao, S. Y. and Xiao, Z. J. and
                      Xie, X. H. and Xie, Y. G. and Xie, Y. H. and Xing, T. Y. and
                      Xu, G. F. and Xu, Q. J. and Xu, W. and Xu, X. P. and Yan, F.
                      and Yan, L. and Yan, W. B. and Yan, W. C. and Yan, Xu and
                      Yang, H. J. and Yang, H. X. and Yang, L. and Yang, S. L. and
                      Yang, Y. X. and Yang, Yifan and Yang, Zhi and Ye, M. and Ye,
                      M. H. and Yin, J. H. and You, Z. Y. and Yu, B. X. and Yu, C.
                      X. and Yu, G. and Yu, J. S. and Yu, T. and Yuan, C. Z. and
                      Yuan, L. and Yuan, X. Q. and Yuan, Y. and Yuan, Z. Y. and
                      Yue, C. X. and Yuncu, A. and Zafar, A. A. and Zeng, Y. and
                      Zhang, B. X. and Zhang, Guangyi and Zhang, H. and Zhang, H.
                      H. and Zhang, H. H. and Zhang, H. Y. and Zhang, J. J. and
                      Zhang, J. L. and Zhang, J. Q. and Zhang, J. W. and Zhang, J.
                      Y. and Zhang, J. Z. and Zhang, Jianyu and Zhang, Jiawei and
                      Zhang, L. Q. and Zhang, Lei and Zhang, S. and Zhang, S. F.
                      and Zhang, Shulei and Zhang, X. D. and Zhang, X. Y. and
                      Zhang, Y. and Zhang, Y. H. and Zhang, Y. T. and Zhang, Yan
                      and Zhang, Yao and Zhang, Yi and Zhang, Z. H. and Zhang, Z.
                      Y. and Zhao, G. and Zhao, J. and Zhao, J. Y. and Zhao, J. Z.
                      and Zhao, Lei and Zhao, Ling and Zhao, M. G. and Zhao, Q.
                      and Zhao, S. J. and Zhao, Y. B. and Zhao, Y. X. and Zhao, Z.
                      G. and Zhemchugov, A. and Zheng, B. and Zheng, J. P. and
                      Zheng, Y. and Zheng, Y. H. and Zhong, B. and Zhong, C. and
                      Zhou, L. P. and Zhou, Q. and Zhou, X. and Zhou, X. K. and
                      Zhou, X. R. and Zhu, A. N. and Zhu, J. and Zhu, K. and Zhu,
                      K. J. and Zhu, S. H. and Zhu, T. J. and Zhu, W. J. and Zhu,
                      W. J. and Zhu, Y. C. and Zhu, Z. A. and Zou, B. S. and Zou,
                      J. H.},
      title        = {{O}bservation of ${J} / ψ$ decays to $e^+ e^− e^+ e^−$
                      and $e^+ e^− μ^+ μ^−$},
      journal      = {Physical review / D},
      volume       = {109},
      number       = {5},
      issn         = {2470-0010},
      address      = {Ridge, NY},
      publisher    = {American Physical Society},
      reportid     = {GSI-2025-00050},
      pages        = {052006},
      year         = {2024},
      note         = {Published by the American Physical Society under the terms
                      of the Creative Commons Attribution 4.0. Funded by SCOAP3.},
      cin          = {HSP / FHF / HST / FFN / MEP},
      ddc          = {530},
      cid          = {I:(DE-Ds200)HSP-20080821OR101 /
                      I:(DE-Ds200)FHF-20200605OR451 /
                      I:(DE-Ds200)HST-20071029OR093 /
                      I:(DE-Ds200)FFN-20210302OR452 /
                      I:(DE-Ds200)MEP-20150313OR329},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF4-612) /
                      SUC-GSI-Frankfurt - Strategic university cooperation GSI-U
                      Frankfurt/M (SUC-GSI-FR) / DFG project G:(GEPRIS)443159800 -
                      Suche nach seltsamen Vier-Quark-Zuständen im
                      Charmonium-Sektor an BESIII (443159800)},
      pid          = {G:(DE-HGF)POF4-612 / G:(DE-Ds200)SUC-GSI-FR /
                      G:(GEPRIS)443159800},
      experiment   = {EXP:(DE-Ds200)BES3-20200803},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001202095500010},
      doi          = {10.1103/PhysRevD.109.052006},
      url          = {https://repository.gsi.de/record/354936},
}