% IMPORTANT: The following is UTF-8 encoded.  This means that in the presence
% of non-ASCII characters, it will not work with BibTeX 0.99 or older.
% Instead, you should use an up-to-date BibTeX implementation like “bibtex8” or
% “biber”.

@ARTICLE{Ablikim:362490,
      author       = {Ablikim, M. and Achasov, M. N. and Adlarson, P. and Ai, X.
                      C. and Aliberti, R. and Amoroso, A. and An, Q. and Bai, Y.
                      and Bakina, O. and Ban, Y. and Bao, H.-R. and Batozskaya, V.
                      and Begzsuren, K. and Berger, N. and Berlowski, M. and
                      Bertani, M. and Bettoni, D. and Bianchi, F. and Bianco, E.
                      and Bortone, A. and Boyko, I. and Briere, R. A. and
                      Brueggemann, A. and Cai, H. and Cai, M. H. and Cai, X. and
                      Calcaterra, A. and Cao, G. F. and Cao, N. and Cetin, S. A.
                      and Chai, X. Y. and Chang, J. F. and Che, G. R. and Che, Y.
                      Z. and Chelkov, G. and Chen, C. and Chen, C. H. and Chen,
                      Chao and Chen, G. and Chen, H. S. and Chen, H. Y. and Chen,
                      M. L. and Chen, S. J. and Chen, S. L. and Chen, S. M. and
                      Chen, T. and Chen, X. R. and Chen, X. T. and Chen, Y. B. and
                      Chen, Y. Q. and Chen, Z. J. and Choi, S. K. and Chu, X. and
                      Cibinetto, G. and Cossio, F. and Cui, J. J. and Dai, H. L.
                      and Dai, J. P. and Dbeyssi, A. and de Boer, R. E. and
                      Dedovich, D. and Deng, C. Q. and Deng, Z. Y. and Denig, A.
                      and Denysenko, I. and Destefanis, M. and De Mori, F. and
                      Ding, B. and Ding, X. X. and Ding, Y. and Ding, Y. and Ding,
                      Y. X. and Dong, J. and Dong, L. Y. and Dong, M. Y. and Dong,
                      X. and Du, M. C. and Du, S. X. and Duan, Y. Y. and Duan, Z.
                      H. and Egorov, P. and Fan, G. F. and Fan, J. J. and Fan, Y.
                      H. and Fang, J. and Fang, J. and Fang, S. S. and Fang, W. X.
                      and Fang, Y. Q. and Farinelli, R. and Fava, L. and
                      Feldbauer, F. and Felici, G. and Feng, C. Q. and Feng, J. H.
                      and Feng, Y. T. and Fritsch, M. and Fu, C. D. and Fu, J. L.
                      and Fu, Y. W. and Gao, H. and Gao, X. B. and Gao, Y. N. and
                      Gao, Y. N. and Gao, Y. Y. and Gao, Yang and Garbolino, S.
                      and Garzia, I. and Ge, P. T. and Ge, Z. W. and Geng, C. and
                      Gersabeck, E. M. and Gilman, A. and Goetzen, K. and Gong, L.
                      and Gong, W. X. and Gradl, W. and Gramigna, S. and Greco, M.
                      and Gu, M. H. and Gu, Y. T. and Guan, C. Y. and Guo, A. Q.
                      and Guo, L. B. and Guo, M. J. and Guo, R. P. and Guo, Y. P.
                      and Guskov, A. and Gutierrez, J. and Han, K. L. and Han, T.
                      T. and Hanisch, F. and Hao, X. Q. and Harris, F. A. and He,
                      K. K. and He, K. L. and Heinsius, F. H. and Heinz, C. H. and
                      Heng, Y. K. and Herold, C. and Holtmann, T. and Hong, P. C.
                      and Hou, G. Y. and Hou, X. T. and Hou, Y. R. and Hou, Z. L.
                      and Hu, B. Y. and Hu, H. M. and Hu, J. F. and Hu, Q. P. and
                      Hu, S. L. and Hu, T. and Hu, Y. and Huang, G. S. and Huang,
                      K. X. and Huang, L. Q. and Huang, P. and Huang, X. T. and
                      Huang, Y. P. and Huang, Y. S. and Hussain, T. and Hüsken,
                      N. and in der Wiesche, N. and Jackson, J. and Janchiv, S.
                      and Ji, Q. and Ji, Q. P. and Ji, W. and Ji, X. B. and Ji, X.
                      L. and Ji, Y. Y. and Jia, Z. K. and Jiang, D. and Jiang, H.
                      B. and Jiang, P. C. and Jiang, S. J. and Jiang, T. J. and
                      Jiang, X. S. and Jiang, Y. and Jiao, J. B. and Jiao, J. K.
                      and Jiao, Z. and Jin, S. and Jin, Y. and Jing, M. Q. and
                      Jing, X. M. and Johansson, T. and Kabana, S. and
                      Kalantar-Nayestanaki, N. and Kang, X. L. and Kang, X. S. and
                      Kavatsyuk, M. and Ke, B. C. and Khachatryan, V. and Khoukaz,
                      A. and Kiuchi, R. and Kolcu, O. B. and Kopf, B. and
                      Kuessner, M. and Kui, X. and Kumar, N. and Kupsc, A. and
                      Kühn, W. and Lan, Q. and Lan, W. N. and Lei, T. T. and Lei,
                      Z. H. and Lellmann, M. and Lenz, T. and Li, C. and Li, C.
                      and Li, C. H. and Li, C. K. and Li, Cheng and Li, D. M. and
                      Li, F. and Li, G. and Li, H. B. and Li, H. J. and Li, H. N.
                      and Li, Hui and Li, J. R. and Li, J. S. and Li, K. and Li,
                      K. L. and Li, K. L. and Li, L. J. and Li, Lei and Li, M. H.
                      and Li, M. R. and Li, P. L. and Li, P. R. and Li, Q. M. and
                      Li, Q. X. and Li, R. and Li, T. and Li, T. Y. and Li, W. D.
                      and Li, W. G. and Li, X. and Li, X. H. and Li, X. L. and Li,
                      X. Y. and Li, X. Z. and Li, Y. and Li, Y. G. and Li, Z. J.
                      and Li, Z. Y. and Liang, C. and Liang, H. and Liang, Y. F.
                      and Liang, Y. T. and Liao, G. R. and Liao, Y. P. and Libby,
                      J. and Limphirat, A. and Lin, C. C. and Lin, C. X. and Lin,
                      D. X. and Lin, L. Q. and Lin, T. and Liu, B. J. and Liu, B.
                      X. and Liu, C. and Liu, C. X. and Liu, F. and Liu, F. H. and
                      Liu, Feng and Liu, G. M. and Liu, H. and Liu, H. B. and Liu,
                      H. H. and Liu, H. M. and Liu, Huihui and Liu, J. B. and Liu,
                      J. J. and Liu, K. and Liu, K. and Liu, K. Y. and Liu, Ke and
                      Liu, L. and Liu, L. C. and Liu, Lu and Liu, M. H. and Liu,
                      P. L. and Liu, Q. and Liu, S. B. and Liu, T. and Liu, W. K.
                      and Liu, W. M. and Liu, W. T. and Liu, X. and Liu, X. and
                      Liu, X. Y. and Liu, Y. and Liu, Y. and Liu, Y. and Liu, Y.
                      B. and Liu, Z. A. and Liu, Z. D. and Liu, Z. Q. and Lou, X.
                      C. and Lu, F. X. and Lu, H. J. and Lu, J. G. and Lu, Y. and
                      Lu, Y. H. and Lu, Y. P. and Lu, Z. H. and Luo, C. L. and
                      Luo, J. R. and Luo, J. S. and Luo, M. X. and Luo, T. and
                      Luo, X. L. and Lyu, X. R. and Lyu, Y. F. and Lyu, Y. H. and
                      Ma, F. C. and Ma, H. and Ma, H. L. and Ma, J. L. and Ma, L.
                      L. and Ma, L. R. and Ma, Q. M. and Ma, R. Q. and Ma, R. Y.
                      and Ma, T. and Ma, X. T. and Ma, X. Y. and Ma, Y. M. and
                      Maas, F. E. and MacKay, I. and Maggiora, M. and Malde, S.
                      and Mao, Y. J. and Mao, Z. P. and Marcello, S. and Meng, Y.
                      H. and Meng, Z. X. and Messchendorp, J. G. and Mezzadri, G.
                      and Miao, H. and Min, T. J. and Mitchell, R. E. and Mo, X.
                      H. and Moses, B. and Muchnoi, N. Yu. and Muskalla, J. and
                      Nefedov, Y. and Nerling, F. and Nie, L. S. and Nikolaev, I.
                      B. and Ning, Z. and Nisar, S. and Niu, Q. L. and Olsen, S.
                      L. and Ouyang, Q. and Pacetti, S. and Pan, X. and Pan, Y.
                      and Pathak, A. and Pei, Y. P. and Pelizaeus, M. and Peng, H.
                      P. and Peng, Y. Y. and Peters, K. and Ping, J. L. and Ping,
                      R. G. and Plura, S. and Prasad, V. and Qi, F. Z. and Qi, H.
                      R. and Qi, M. and Qian, S. and Qian, W. B. and Qiao, C. F.
                      and Qiao, J. H. and Qin, J. J. and Qin, L. Q. and Qin, L. Y.
                      and Qin, P. B. and Qin, X. P. and Qin, X. S. and Qin, Z. H.
                      and Qiu, J. F. and Qu, Z. H. and Redmer, C. F. and Rivetti,
                      A. and Rolo, M. and Rong, G. and Rong, S. S. and Rosner, Ch.
                      and Ruan, M. Q. and Ruan, S. N. and Salone, N. and
                      Sarantsev, A. and Schelhaas, Y. and Schoenning, K. and
                      Scodeggio, M. and Shan, K. Y. and Shan, W. and Shan, X. Y.
                      and Shang, Z. J. and Shangguan, J. F. and Shao, L. G. and
                      Shao, M. and Shen, C. P. and Shen, H. F. and Shen, W. H. and
                      Shen, X. Y. and Shi, B. A. and Shi, H. and Shi, J. L. and
                      Shi, J. Y. and Shi, S. Y. and Shi, X. and Song, J. J. and
                      Song, T. Z. and Song, W. M. and Song, Y. J. and Song, Y. X.
                      and Sosio, S. and Spataro, S. and Stieler, F. and Su, S. S
                      and Su, Y. J. and Sun, G. B. and Sun, G. X. and Sun, H. and
                      Sun, H. K. and Sun, J. F. and Sun, K. and Sun, L. and Sun,
                      S. S. and Sun, T. and Sun, Y. C. and Sun, Y. H. and Sun, Y.
                      J. and Sun, Y. Z. and Sun, Z. Q. and Sun, Z. T. and Tang, C.
                      J. and Tang, G. Y. and Tang, J. and Tang, L. F. and Tang, M.
                      and Tang, Y. A. and Tao, L. Y. and Tat, M. and Teng, J. X.
                      and Thoren, V. and Tian, W. H. and Tian, Y. and Tian, Z. F.
                      and Uman, I. and Wang, B. and Wang, Bo and Wang, C. and
                      Wang, D. Y. and Wang, H. J. and Wang, J. J. and Wang, K. and
                      Wang, L. L. and Wang, L. W. and Wang, M. and Wang, N. Y. and
                      Wang, S. and Wang, S. and Wang, T. and Wang, T. J. and Wang,
                      W. and Wang, W. and Wang, W. P. and Wang, X. and Wang, X. F.
                      and Wang, X. J. and Wang, X. L. and Wang, X. N. and Wang, Y.
                      and Wang, Y. D. and Wang, Y. F. and Wang, Y. H. and Wang, Y.
                      L. and Wang, Y. N. and Wang, Y. Q. and Wang, Yaqian and
                      Wang, Yi and Wang, Z. and Wang, Z. L. and Wang, Z. Y. and
                      Wei, D. H. and Weidner, F. and Wen, S. P. and Wen, Y. R. and
                      Wiedner, U. and Wilkinson, G. and Wolke, M. and Wu, C. and
                      Wu, J. F. and Wu, L. H. and Wu, L. J. and Wu, Lianjie and
                      Wu, S. G. and Wu, S. M. and Wu, X. and Wu, X. H. and Wu, Y.
                      J. and Wu, Z. and Xia, L. and Xian, X. M. and Xiang, B. H.
                      and Xiang, T. and Xiao, D. and Xiao, G. Y. and Xiao, H. and
                      Xiao, Y. L. and Xiao, Z. J. and Xie, C. and Xie, K. J. and
                      Xie, X. H. and Xie, Y. and Xie, Y. G. and Xie, Y. H. and
                      Xie, Z. P. and Xing, T. Y. and Xu, C. F. and Xu, C. J. and
                      Xu, G. F. and Xu, M. and Xu, Q. J. and Xu, Q. N. and Xu, W.
                      L. and Xu, X. P. and Xu, Y. and Xu, Y. C. and Xu, Z. S. and
                      Yan, F. and Yan, H. Y. and Yan, L. and Yan, W. B. and Yan,
                      W. C. and Yan, W. P. and Yan, X. Q. and Yang, H. J. and
                      Yang, H. L. and Yang, H. X. and Yang, J. H. and Yang, R. J.
                      and Yang, T. and Yang, Y. and Yang, Y. F. and Yang, Y. Q.
                      and Yang, Y. X. and Yang, Y. Z. and Ye, M. and Ye, M. H. and
                      Yin, Junhao and You, Z. Y. and Yu, B. X. and Yu, C. X. and
                      Yu, G. and Yu, J. S. and Yu, M. C. and Yu, T. and Yu, X. D.
                      and Yu, Y. C. and Yuan, C. Z. and Yuan, H. and Yuan, J. and
                      Yuan, J. and Yuan, L. and Yuan, S. C. and Yuan, Y. and Yuan,
                      Z. Y. and Yue, C. X. and Yue, Ying and Zafar, A. A. and
                      Zeng, S. H. and Zeng, X. and Zeng, Y. and Zeng, Y. J. and
                      Zeng, Y. J. and Zhai, X. Y. and Zhan, Y. H. and Zhang, A. Q.
                      and Zhang, B. L. and Zhang, B. X. and Zhang, D. H. and
                      Zhang, G. Y. and Zhang, G. Y. and Zhang, H. and Zhang, H.
                      and Zhang, H. C. and Zhang, H. H. and Zhang, H. Q. and
                      Zhang, H. R. and Zhang, H. Y. and Zhang, J. and Zhang, J.
                      and Zhang, J. J. and Zhang, J. L. and Zhang, J. Q. and
                      Zhang, J. S. and Zhang, J. W. and Zhang, J. X. and Zhang, J.
                      Y. and Zhang, J. Z. and Zhang, Jianyu and Zhang, L. M. and
                      Zhang, Lei and Zhang, N. and Zhang, P. and Zhang, Q. and
                      Zhang, Q. Y. and Zhang, R. Y. and Zhang, S. H. and Zhang,
                      Shulei and Zhang, X. M. and Zhang, X. Y and Zhang, X. Y. and
                      Zhang, Y. and Zhang, Y. and Zhang, Y. T. and Zhang, Y. H.
                      and Zhang, Y. M. and Zhang, Yan and Zhang, Z. D. and Zhang,
                      Z. H. and Zhang, Z. L. and Zhang, Z. X. and Zhang, Z. Y. and
                      Zhang, Z. Y. and Zhang, Z. Z. and Zhang, Zh. Zh. and Zhao,
                      G. and Zhao, J. Y. and Zhao, J. Z. and Zhao, L. and Zhao,
                      Lei and Zhao, M. G. and Zhao, N. and Zhao, R. P. and Zhao,
                      S. J. and Zhao, Y. B. and Zhao, Y. X. and Zhao, Z. G. and
                      Zhemchugov, A. and Zheng, B. and Zheng, B. M. and Zheng, J.
                      P. and Zheng, W. J. and Zheng, X. R. and Zheng, Y. H. and
                      Zhong, B. and Zhong, X. and Zhou, H. and Zhou, J. Y. and
                      Zhou, S. and Zhou, X. and Zhou, X. K. and Zhou, X. R. and
                      Zhou, X. Y. and Zhou, Y. Z. and Zhou, Z. C. and Zhu, A. N.
                      and Zhu, J. and Zhu, K. and Zhu, K. J. and Zhu, K. S. and
                      Zhu, L. and Zhu, L. X. and Zhu, S. H. and Zhu, T. J. and
                      Zhu, W. D. and Zhu, W. J. and Zhu, W. Z. and Zhu, Y. C. and
                      Zhu, Z. A. and Zhuang, X. Y. and Zou, J. H. and Zu, J. and
                      BES {III Collaboration}},
      title        = {{O}bservation of the {C}harmonium {D}ecay $\eta c
                      \rightarrow\gamma\gamma$ in ${J}/\psi\rightarrow\gamma\eta
                      c$},
      journal      = {Physical review letters},
      volume       = {134},
      number       = {18},
      issn         = {0031-9007},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {GSI-2025-01153},
      pages        = {181901},
      year         = {2025},
      note         = {Published by the American Physical Society under the terms
                      of the Creative Commons Attribution 4.0 International
                      license. Funded by SCOAP3},
      cin          = {FFN / HSP / MEP},
      ddc          = {530},
      cid          = {I:(DE-Ds200)FFN-20210302OR452 /
                      I:(DE-Ds200)HSP-20080821OR101 /
                      I:(DE-Ds200)MEP-20150313OR329},
      pnm          = {612 - Cosmic Matter in the Laboratory (POF4-612) / DFG
                      project G:(GEPRIS)458854507 - FOR 5327:
                      Photon-Photon-Wechselwirkungen innerhalb und jenseits des
                      Standardmodells - vollständige Nutzung des
                      Entdeckungspotentials von MESA bis hin zum LHC (458854507) /
                      GRK 2149 - GRK 2149: Starke und schwache Wechselwirkung -
                      von Hadronen zu Dunkler Materie (269952272)},
      pid          = {G:(DE-HGF)POF4-612 / G:(GEPRIS)458854507 /
                      G:(GEPRIS)269952272},
      experiment   = {EXP:(DE-Ds200)BES3-20200803},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:40408683},
      UT           = {WOS:001509271500001},
      doi          = {10.1103/PhysRevLett.134.181901},
      url          = {https://repository.gsi.de/record/362490},
}