$First observation of Λ c (2595)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$$

First observation of Λ c (2595)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$

Abstract By analysing e + e − annihilation data corresponding to an integrated luminosity of 368.48 pb −1 collected at the centre-of-mass energies of s $$ \sqrt{s} $$ = 4.918 and 4.951 GeV with the BESIII detector, we report the first observation of Λ c (2595)+ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\L...

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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, 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, X. Y. Chai, 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, 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, G. F. Fan, J. J. Fan, 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, 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, Q. P. Hu, S. L. Hu, T. Hu, Y. Hu, G. S. Huang, K. X. Huang, L. Q. Huang, P. Huang, X. T. Huang, Y. P. Huang, Y. S. Huang, T. Hussain, F. Hölzken, N. Hüsken, N. in der Wiesche, J. Jackson, S. Janchiv, 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, W. N. Lan, 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. L. Li, P. R. Li, Q. M. Li, Q. X. Li, R. Li, T. Li, T. Y. Li, W. D. Li, W. G. Li, X. Li, X. H. Li, X. L. Li, X. Y. Li, X. Z. Li, Y. 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, C. X. 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, 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, R. Y. Ma, T. Ma, X. T. Ma, X. Y. Ma, Y. M. Ma, F. E. Maas, I. MacKay, M. Maggiora, S. Malde, Y. J. Mao, Z. P. Mao, S. Marcello, Y. H. Meng, 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, S. Qian, W. B. Qian, C. F. Qiao, J. H. 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, J. L. Shi, J. Y. 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, 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, Bo Wang, C. Wang, D. Y. Wang, H. J. Wang, J. J. Wang, J. P. Wang, K. Wang, L. L. Wang, L. W. 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, 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, Lianjie Wu, X. Wu, X. H. Wu, Y. H. Wu, Y. J. Wu, Z. Wu, L. Xia, X. M. Xian, B. H. Xiang, T. Xiang, D. Xiao, G. Y. Xiao, H. 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, M. Xu, Q. J. Xu, Q. N. 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, W. P. Yan, X. Q. Yan, H. J. Yang, H. L. Yang, H. X. Yang, J. H. Yang, R. J. Yang, T. Yang, Y. Yang, Y. F. Yang, Y. X. Yang, Y. Z. 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, C. Z. Yuan, J. Yuan, L. Yuan, S. C. Yuan, Y. Yuan, Z. Y. Yuan, C. X. Yue, Ying 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. Zhang, Q. Y. Zhang, R. Y. Zhang, S. H. Zhang, Shulei 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. X. Zhang, Z. Y. Zhang, Z. Z. Zhang, Zh. Zh. 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, X. R. 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, Z. C. 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, W. Z. Zhu, Y. C. Zhu, Z. A. Zhu, J. H. Zou, J. Zu
Format:	Article
Language:	English
Published:	SpringerOpen 2025-08-01
Series:	Journal of High Energy Physics
Subjects:	Branching fraction Charm Physics e +-e − Experiments
Online Access:	https://doi.org/10.1007/JHEP08(2025)065
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author	The BESIII collaboration M. Ablikim M. N. Achasov P. Adlarson O. Afedulidis X. C. Ai R. Aliberti A. Amoroso 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 X. Y. Chai 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 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 G. F. Fan J. J. Fan 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 Y. N. Gao Yang Gao S. Garbolino I. Garzia 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 Q. P. Hu S. L. Hu T. Hu Y. Hu G. S. Huang K. X. Huang L. Q. Huang P. Huang X. T. Huang Y. P. Huang Y. S. Huang T. Hussain F. Hölzken N. Hüsken N. in der Wiesche J. Jackson S. Janchiv 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 W. N. Lan 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. L. Li P. R. Li Q. M. Li Q. X. Li R. Li T. Li T. Y. Li W. D. Li W. G. Li X. Li X. H. Li X. L. Li X. Y. Li X. Z. Li Y. 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 C. X. 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 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 R. Y. Ma T. Ma X. T. Ma X. Y. Ma Y. M. Ma F. E. Maas I. MacKay M. Maggiora S. Malde Y. J. Mao Z. P. Mao S. Marcello Y. H. Meng 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 S. Qian W. B. Qian C. F. Qiao J. H. 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 J. L. Shi J. Y. 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 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 Bo Wang C. Wang D. Y. Wang H. J. Wang J. J. Wang J. P. Wang K. Wang L. L. Wang L. W. 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 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 Lianjie Wu X. Wu X. H. Wu Y. H. Wu Y. J. Wu Z. Wu L. Xia X. M. Xian B. H. Xiang T. Xiang D. Xiao G. Y. Xiao H. 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 M. Xu Q. J. Xu Q. N. 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 W. P. Yan X. Q. Yan H. J. Yang H. L. Yang H. X. Yang J. H. Yang R. J. Yang T. Yang Y. Yang Y. F. Yang Y. F. Yang Y. X. Yang Y. Z. 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 C. Z. Yuan J. Yuan J. Yuan L. Yuan S. C. Yuan Y. Yuan Z. Y. Yuan C. X. Yue Ying 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. 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. Zhang Q. Y. Zhang R. Y. Zhang S. H. Zhang Shulei 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. X. Zhang Z. Y. Zhang Z. Y. Zhang Z. Z. Zhang Zh. Zh. 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 X. R. 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 Z. C. 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 W. Z. 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 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 X. Y. Chai 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 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 G. F. Fan J. J. Fan 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 Y. N. Gao Yang Gao S. Garbolino I. Garzia 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 Q. P. Hu S. L. Hu T. Hu Y. Hu G. S. Huang K. X. Huang L. Q. Huang P. Huang X. T. Huang Y. P. Huang Y. S. Huang T. Hussain F. Hölzken N. Hüsken N. in der Wiesche J. Jackson S. Janchiv 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 W. N. Lan 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. L. Li P. R. Li Q. M. Li Q. X. Li R. Li T. Li T. Y. Li W. D. Li W. G. Li X. Li X. H. Li X. L. Li X. Y. Li X. Z. Li Y. 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 C. X. 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 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 R. Y. Ma T. Ma X. T. Ma X. Y. Ma Y. M. Ma F. E. Maas I. MacKay M. Maggiora S. Malde Y. J. Mao Z. P. Mao S. Marcello Y. H. Meng 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 S. Qian W. B. Qian C. F. Qiao J. H. 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 J. L. Shi J. Y. 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 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 Bo Wang C. Wang D. Y. Wang H. J. Wang J. J. Wang J. P. Wang K. Wang L. L. Wang L. W. 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 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 Lianjie Wu X. Wu X. H. Wu Y. H. Wu Y. J. Wu Z. Wu L. Xia X. M. Xian B. H. Xiang T. Xiang D. Xiao G. Y. Xiao H. 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 M. Xu Q. J. Xu Q. N. 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 W. P. Yan X. Q. Yan H. J. Yang H. L. Yang H. X. Yang J. H. Yang R. J. Yang T. Yang Y. Yang Y. F. Yang Y. F. Yang Y. X. Yang Y. Z. 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 C. Z. Yuan J. Yuan J. Yuan L. Yuan S. C. Yuan Y. Yuan Z. Y. Yuan C. X. Yue Ying 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. 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. Zhang Q. Y. Zhang R. Y. Zhang S. H. Zhang Shulei 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. X. Zhang Z. Y. Zhang Z. Y. Zhang Z. Z. Zhang Zh. Zh. 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 X. R. 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 Z. C. 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 W. Z. Zhu Y. C. Zhu Z. A. Zhu J. H. Zou J. Zu
author_sort	The BESIII collaboration
collection	DOAJ
description	Abstract By analysing e + e − annihilation data corresponding to an integrated luminosity of 368.48 pb −1 collected at the centre-of-mass energies of s $$ \sqrt{s} $$ = 4.918 and 4.951 GeV with the BESIII detector, we report the first observation of Λ c (2595)+ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ with statistical significances of 7.9σ and 11.8σ, respectively. The branching fractions of Λ c (2595)+ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ are measured to be (59.5 ± 11.1stat. ± 7.9syst. )% and (41.0 ± 5.2stat. ± 3.3syst. )%, respectively. The absolute branching fraction of Λ c (2595)+ is consistent with the expectation of the mechanism referred to as the threshold effect, proposed for the strong decays of Λ c (2595)+ within uncertainty.
format	Article
id	doaj-art-5403072e69e14d90a7008d26e94250cb
institution	Kabale University
issn	1029-8479
language	English
publishDate	2025-08-01
publisher	SpringerOpen
record_format	Article
series	Journal of High Energy Physics
spelling	doaj-art-5403072e69e14d90a7008d26e94250cb2025-08-20T03:45:40ZengSpringerOpenJournal of High Energy Physics1029-84792025-08-012025811910.1007/JHEP08(2025)065First observation of Λ c (2595)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$The BESIII collaborationM. Ablikim0M. N. Achasov1P. Adlarson2O. Afedulidis3X. C. Ai4R. Aliberti5A. Amoroso6Y. Bai7O. Bakina8I. Balossino9Y. Ban10H.-R. Bao11V. Batozskaya12K. Begzsuren13N. Berger14M. Berlowski15M. Bertani16D. Bettoni17F. Bianchi18E. Bianco19A. Bortone20I. Boyko21R. A. Briere22A. Brueggemann23H. Cai24X. Cai25A. Calcaterra26G. F. Cao27N. Cao28S. A. Cetin29X. Y. Chai30J. 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. Chen50S. K. Choi51G. Cibinetto52F. Cossio53J. J. Cui54H. L. Dai55J. P. Dai56A. Dbeyssi57R. E. de Boer58D. Dedovich59C. Q. Deng60Z. Y. Deng61A. Denig62I. Denysenko63M. Destefanis64F. De Mori65B. Ding66X. X. Ding67Y. Ding68Y. Ding69J. Dong70L. Y. Dong71M. Y. Dong72X. Dong73M. C. Du74S. X. Du75Y. Y. Duan76Z. H. Duan77P. Egorov78G. F. Fan79J. J. Fan80Y. H. Fan81J. Fang82J. Fang83S. S. Fang84W. X. Fang85Y. Fang86Y. Q. Fang87R. Farinelli88L. Fava89F. Feldbauer90G. Felici91C. Q. Feng92J. H. Feng93Y. T. Feng94M. Fritsch95C. D. Fu96J. L. Fu97Y. W. Fu98H. Gao99X. B. Gao100Y. N. Gao101Y. N. Gao102Yang Gao103S. Garbolino104I. Garzia105P. T. Ge106Z. W. Ge107C. Geng108E. M. Gersabeck109A. Gilman110K. Goetzen111L. Gong112W. X. Gong113W. Gradl114S. Gramigna115M. Greco116M. H. Gu117Y. T. Gu118C. Y. Guan119A. Q. Guo120L. B. Guo121M. J. Guo122R. P. Guo123Y. P. Guo124A. Guskov125J. Gutierrez126K. L. Han127T. T. Han128F. Hanisch129X. Q. Hao130F. A. Harris131K. K. He132K. L. He133F. H. Heinsius134C. H. Heinz135Y. K. Heng136C. Herold137T. Holtmann138P. C. Hong139G. Y. Hou140X. T. Hou141Y. R. Hou142Z. L. Hou143B. Y. Hu144H. M. Hu145J. F. Hu146Q. P. Hu147S. L. Hu148T. Hu149Y. Hu150G. S. Huang151K. X. Huang152L. Q. Huang153P. Huang154X. T. Huang155Y. P. Huang156Y. S. Huang157T. Hussain158F. Hölzken159N. Hüsken160N. in der Wiesche161J. Jackson162S. Janchiv163Q. Ji164Q. P. Ji165W. Ji166X. B. Ji167X. L. Ji168Y. Y. Ji169X. Q. Jia170Z. K. Jia171D. Jiang172H. B. Jiang173P. C. Jiang174S. S. Jiang175T. J. Jiang176X. S. Jiang177Y. Jiang178J. B. Jiao179J. K. Jiao180Z. Jiao181S. Jin182Y. Jin183M. Q. Jing184X. M. Jing185T. Johansson186S. Kabana187N. Kalantar-Nayestanaki188X. L. Kang189X. S. Kang190M. Kavatsyuk191B. C. Ke192V. Khachatryan193A. Khoukaz194R. Kiuchi195O. B. Kolcu196B. Kopf197M. Kuessner198X. Kui199N. Kumar200A. Kupsc201W. Kühn202W. N. Lan203T. T. Lei204Z. H. Lei205M. Lellmann206T. Lenz207C. Li208C. Li209C. H. Li210Cheng Li211D. M. Li212F. Li213G. Li214H. B. Li215H. J. Li216H. N. Li217Hui Li218J. R. Li219J. S. Li220K. Li221K. L. Li222L. J. Li223L. K. 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Zu674Institute of High Energy PhysicsBudker Institute of Nuclear Physics SB RAS (BINP)Uppsala UniversityBochum Ruhr-UniversityZhengzhou UniversityJohannes Gutenberg University of MainzUniversity of TurinSoutheast 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 TurinUniversity of TurinUniversity 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 UniversityPeking UniversityInstitute of High Energy PhysicsNankai UniversityInstitute of High Energy 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Physikalisches InstitutHenan Normal UniversityUniversity of Science and Technology of ChinaUniversity of Science and Technology of ChinaJohannes Gutenberg University of MainzJohannes Gutenberg University of MainzNankai UniversityQufu Normal 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 UniversityUniversity of Chinese Academy of SciencesLanzhou UniversityInstitute of High Energy PhysicsShandong UniversityHebei UniversityShandong UniversityNankai 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 UniversityHenan Normal UniversityPeking UniversitySun Yat-Sen UniversityYunnan UniversityNanjing UniversityUniversity of Science and Technology of ChinaInstitute of High Energy PhysicsSichuan UniversityInstitute of Modern PhysicsGuangxi Normal UniversityInstitute of High Energy PhysicsIndian Institute of Technology MadrasSuranaree University of TechnologySoochow UniversityUniversity of Chinese Academy of SciencesInstitute 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 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PhysicsShandong UniversityUniversity of JinanInstitute of High Energy PhysicsInstitute of High Energy PhysicsInstitute of High Energy PhysicsHenan Normal UniversityUniversity of Science and Technology of ChinaInstitute of High Energy PhysicsInstitute of High Energy PhysicsInstitute of Modern PhysicsHelmholtz Institute MainzUniversity of OxfordUniversity of TurinUniversity of OxfordPeking UniversityInstitute of High Energy PhysicsUniversity of TurinUniversity of Chinese Academy of SciencesUniversity of JinanGSI Helmholtzcentre for Heavy Ion Research GmbHINFN Sezione di FerraraInstitute of High Energy PhysicsNanjing UniversityIndiana UniversityInstitute of High Energy PhysicsIndiana UniversityBudker Institute of Nuclear Physics SB RAS (BINP)Johannes Gutenberg University of MainzJoint Institute for Nuclear ResearchHelmholtz Institute MainzHenan UniversityBudker Institute of Nuclear Physics SB RAS (BINP)Institute of High Energy PhysicsCOMSATS University Islamabad, Lahore CampusLanzhou UniversitySoochow UniversityShandong UniversityChung-Ang UniversityInstitute of High Energy PhysicsINFN Sezione di PerugiaSoochow UniversitySoutheast UniversityChung-Ang 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 UniversityInstitute of High Energy PhysicsUniversity of Chinese Academy of SciencesUniversity of Chinese Academy of SciencesHenan Normal 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 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PhysicsInstitute of High Energy PhysicsHenan Normal UniversityFudan UniversityJilin UniversitySoochow UniversityInstitute of Modern PhysicsInstitute of High Energy PhysicsUniversity of Science and Technology of ChinaLiaoning Normal UniversityInstitute of High Energy PhysicsPeking UniversityLanzhou UniversityNanjing UniversityUniversity of South ChinaInstitute 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 Science and Technology of ChinaHangzhou Normal UniversityInner Mongolia UniversityUniversity of JinanSoochow UniversityLiaoning UniversityYantai UniversityUniversity of Chinese Academy of SciencesFudan UniversityFudan UniversityUniversity of Science and Technology of ChinaZhengzhou UniversityHenan Normal UniversityInstitute of High Energy PhysicsShanghai Jiao Tong UniversityJilin UniversityInstitute of High Energy PhysicsNanjing UniversityHenan Normal UniversityInstitute of High Energy PhysicsFudan UniversityInstitute of High Energy PhysicsNankai UniversityInstitute of High Energy PhysicsHenan Normal UniversityLanzhou 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 UniversityInstitute of High Energy PhysicsNorth China Electric Power UniversityJilin UniversityBeihang UniversityInstitute of High Energy PhysicsInstitute of High Energy PhysicsSun Yat-Sen UniversityLiaoning Normal UniversityHenan Normal UniversityUniversity of the PunjabShandong UniversityUniversity of Bristol, H H Wills Physics LaboratoryFudan UniversityHunan UniversitySun Yat-Sen UniversityInstitute of High Energy PhysicsJilin 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 UniversityInstitute of High Energy PhysicsUniversity of Science and Technology of ChinaInstitute of High Energy PhysicsZhengzhou UniversitySun Yat-Sen 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 PhysicsHenan Normal UniversityJilin UniversityLanzhou UniversityInstitute of High Energy PhysicsHunan UniversityInstitute of High Energy PhysicsLiaoning UniversityShandong UniversityUniversity of South ChinaInstitute of High Energy PhysicsZhengzhou UniversityInstitute of High Energy PhysicsLiaoning Normal UniversityUniversity of Science and Technology of ChinaInstitute of High Energy PhysicsInstitute of High Energy PhysicsJilin UniversityHenan Normal UniversityNankai UniversityWuhan UniversityNorth China Electric Power UniversityHenan Normal 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 PhysicsHenan Normal UniversityUniversity of Chinese Academy of SciencesNanjing Normal UniversitySun Yat-Sen UniversityHelmholtz Institute MainzJilin UniversityInstitute of High Energy PhysicsCentral China Normal UniversityWuhan UniversityCentral China Normal UniversityUniversity of Science and Technology of ChinaLiaoning Normal UniversityFudan UniversityHenan 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 UniversityHenan Normal UniversityUniversity of Science and Technology of ChinaInstitute of High Energy PhysicsInstitute of High Energy PhysicsUniversity of Science and Technology of ChinaAbstract By analysing e + e − annihilation data corresponding to an integrated luminosity of 368.48 pb −1 collected at the centre-of-mass energies of s $$ \sqrt{s} $$ = 4.918 and 4.951 GeV with the BESIII detector, we report the first observation of Λ c (2595)+ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ with statistical significances of 7.9σ and 11.8σ, respectively. The branching fractions of Λ c (2595)+ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ are measured to be (59.5 ± 11.1stat. ± 7.9syst. )% and (41.0 ± 5.2stat. ± 3.3syst. )%, respectively. The absolute branching fraction of Λ c (2595)+ is consistent with the expectation of the mechanism referred to as the threshold effect, proposed for the strong decays of Λ c (2595)+ within uncertainty.https://doi.org/10.1007/JHEP08(2025)065Branching fractionCharm Physicse +-e − Experiments
spellingShingle	The BESIII collaboration M. Ablikim M. N. Achasov P. Adlarson O. Afedulidis X. C. Ai R. Aliberti A. Amoroso 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 X. Y. Chai 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 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 G. F. Fan J. J. Fan Y. H. Fan J. Fang J. Fang S. S. Fang W. X. Fang Y. Fang Y. Q. Fang R. Farinelli L. Fava F. 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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 J. L. Shi J. Y. 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 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 Bo Wang C. Wang D. Y. Wang H. J. Wang J. J. Wang J. P. Wang K. Wang L. L. Wang L. W. 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 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. 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Zu First observation of Λ c (2595)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ Journal of High Energy Physics Branching fraction Charm Physics e +-e − Experiments
title	First observation of Λ c (2595)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$
title_full	First observation of Λ c (2595)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$
title_fullStr	First observation of Λ c (2595)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$
title_full_unstemmed	First observation of Λ c (2595)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$
title_short	First observation of Λ c (2595)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$
title_sort	first observation of λ c 2595 λ c π 0 π 0 lambda c pi 0 pi 0 and λ c 2625 λ c π 0 π 0 lambda c pi 0 pi 0
topic	Branching fraction Charm Physics e +-e − Experiments
url	https://doi.org/10.1007/JHEP08(2025)065
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firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jbjiao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jkjiao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zjiao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT sjin firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yjin firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mqjing firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xmjing firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tjohansson firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT skabana firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT nkalantarnayestanaki firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xlkang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xskang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mkavatsyuk firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT bcke firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT vkhachatryan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT akhoukaz firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT rkiuchi firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT obkolcu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT bkopf firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mkuessner firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xkui firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT nkumar firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT akupsc firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wkuhn firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wnlan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ttlei firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zhlei firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mlellmann firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tlenz firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT cli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT cli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT chli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT chengli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT dmli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT fli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT gli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hbli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hjli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hnli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT huili firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jrli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jsli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT kli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT klli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ljli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lkli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT leili firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mhli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT plli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT prli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT qmli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT qxli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT rli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tyli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wdli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wgli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xhli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xlli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xyli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xzli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ygli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zjli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zyli firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT cliang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hliang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hliang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yfliang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ytliang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT grliao 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firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT fhliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT fengliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT gmliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hbliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hhliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hmliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT huihuiliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jbliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jyliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT kliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT kyliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT keliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lcliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT luliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mhliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT plliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT qliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT sbliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wkliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wmliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ybliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zaliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zdliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zqliu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xclou firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT fxlu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hjlu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jglu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ylu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yplu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zhlu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT clluo firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jrluo firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mxluo firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tluo firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xlluo firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xrlyu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yflyu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT fcma firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hma firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hlma firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jlma firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT llma firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lrma firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mmma firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT qmma firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT rqma firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ryma firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tma firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xtma firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xyma firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ymma firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT femaas firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT imackay firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mmaggiora firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT smalde firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yjmao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zpmao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT smarcello firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yhmeng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zxmeng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jgmesschendorp firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT gmezzadri firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hmiao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tjmin firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT remitchell firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xhmo firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT bmoses firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT nyumuchnoi firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jmuskalla firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ynefedov firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT fnerling firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lsnie firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ibnikolaev firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zning firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT snisar firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT qlniu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wdniu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yniu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT slolsen firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT qouyang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT spacetti firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xpan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ypan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT apathak firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yppei firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mpelizaeus firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hppeng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yypeng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT kpeters firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jlping firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT rgping firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT splura firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT vprasad firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT fzqi firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hqi firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hrqi firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mqi firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT sqian firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wbqian firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT cfqiao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jhqiao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jjqin firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lqqin firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lyqin firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xpqin firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xsqin firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zhqin firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jfqiu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zhqu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT cfredmer firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT kjren firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT arivetti firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mrolo firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT grong firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT chrosner firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mqruan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT snruan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT nsalone firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT asarantsev firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yschelhaas firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT kschoenning firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mscodeggio firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT kyshan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wshan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xyshan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zjshang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jfshangguan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lgshao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mshao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT cpshen firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hfshen firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT whshen firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xyshen firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT bashi firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hshi firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jlshi firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jyshi firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT syshi firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xshi firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jjsong firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tzsong firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wmsong firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yjsong firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yxsong firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ssosio firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT sspataro firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT fstieler firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT sssu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yjsu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT gbsun firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT gxsun firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hsun firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hksun firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jfsun firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ksun firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lsun firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT sssun firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tsun firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yjsun firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yzsun firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zqsun firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ztsun firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT cjtang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT gytang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jtang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mtang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yatang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lytao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT qttao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mtat firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jxteng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT vthoren firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT whtian firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ytian firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zftian firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT iuman firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ywan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT sjwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT bwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT bowang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT cwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT dywang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hjwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jjwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jpwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT kwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT llwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lwwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT nywang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT swang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT swang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT twang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tjwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wpwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xfwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xjwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xlwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xnwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ywang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ydwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yfwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yhwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ylwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ynwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yqwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yaqianwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yiwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zlwang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zywang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT dhwei firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT fweidner firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT spwen firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yrwen firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT uwiedner firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT gwilkinson firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mwolke firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lwollenberg firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT cwu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jfwu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lhwu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ljwu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lianjiewu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xwu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xhwu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yhwu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yjwu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zwu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lxia firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xmxian firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT bhxiang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT txiang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT dxiao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT gyxiao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hxiao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT syxiao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ylxiao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zjxiao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT cxie firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xhxie firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yxie firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ygxie firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yhxie firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zpxie firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tyxing firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT cfxu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT cjxu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT gfxu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mxu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT qjxu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT qnxu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wlxu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xpxu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yxu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ycxu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zsxu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT fyan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lyan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wbyan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wcyan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wpyan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xqyan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hjyang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hlyang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hxyang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jhyang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT rjyang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tyang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yyang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yfyang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yfyang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yxyang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yzyang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zwyang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zpyao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mye firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mhye firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jhyin firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT junhaoyin firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zyyou firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT bxyu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT cxyu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT gyu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jsyu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mcyu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tyu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xdyu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT czyuan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jyuan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jyuan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lyuan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT scyuan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yyuan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zyyuan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT cxyue firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yingyue firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT aazafar firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT frzeng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT shzeng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xzeng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yzeng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yjzeng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yjzeng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xyzhai firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yczhai firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yhzhan firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT aqzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT blzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT bxzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT dhzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT gyzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hczhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hhzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hqzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hrzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hyzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jjzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jlzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jqzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jszhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jwzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jxzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jyzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jzzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jianyuzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lmzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT leizhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT pzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT qzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT qyzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ryzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT shzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT shuleizhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xmzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xyzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xyzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ytzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yhzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ymzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yanzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zdzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zhzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zlzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zxzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zyzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zyzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zzzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zhzhzhang firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT gzhao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jyzhao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jzzhao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lzhao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT leizhao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT mgzhao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT nzhao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT rpzhao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT sjzhao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT ybzhao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yxzhao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zgzhao firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT azhemchugov firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT bzheng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT bmzheng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jpzheng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wjzheng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xrzheng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yhzheng firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT bzhong firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xzhong firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT hzhou firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jyzhou firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lpzhou firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT szhou firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xzhou firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xkzhou firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xrzhou firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT xyzhou firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yzzhou firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zczhou firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT anzhu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jzhu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT kzhu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT kjzhu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT kszhu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lzhu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT lxzhu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT shzhu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT tjzhu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wdzhu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT wzzhu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT yczhu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT zazhu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jhzou firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0 AT jzu firstobservationoflc2595lcp0p0lambdacpi0pi0andlc2625lcp0p0lambdacpi0pi0

First observation of Λ c (2595)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$ and Λ c (2625)+ → Λ c + π 0 π 0 $$ {\Lambda}_c^{+}{\pi}^0{\pi}^0 $$

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