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Measurements of the absolute branching fractions of the Λc⁺ hadronic decays

Title: Measurements of the absolute branching fractions of the Λc⁺ hadronic decays
Authors: Ablikim, Medina; Achasov, Mikhail N.; Adlarson, Patrik; Ai, Xiaocong; Akondi, C. S.; Aliberti, Riccardo; Amoroso, Antonio; An, Qi; Bai, Yu; Bakina, Olga; Bao, Haoran; Bao, X. L.; Batozskaya, Varvara; Begzsuren, Khurelbaatar; Berger, Niklaus; Berlowski, Marcin; Bertani, Monica; Bettoni, Diego; Bianchi, Fabrizio; Bianco, E.; Bortone, Alberto; Boyko, Igor R.; Briere, Roy A.; Brüggemann, Anja; Cabiati, D.; Cai, Hao; Cai, Minghang; Cai, Xiao; Calcaterra, Alessandro; Cao, Guofu; Cao, Ning; Çetin, Serkant Ali; Chai, Xin-Yu; Chang, Jinfan; Chang, Tiantian; Che, Guorong; Che, Yuzhi; Chen, Chunhui; Chen, Chao; Chen, Gang; Chen, Hesheng; Chen, Mali; Chen, Shenjian; Chen, Shaomin; Chen, Tong; Chen, W.; Chen, Xurong; Chen, Xiaoting; Chen, X. Y.; Chen, Yuanbo; Chen, Y. Q.; Chen, Z. K.; Cheng, J.; Cheng, Lina; Choi, S. K.; Chu, X.; Cibinetto, Gianluigi; Cossio, Fabio; Cottee-Meldrum, Jozie; Dai, Hongliang; Dai, Jianping; Dai, Xinchen; Dbeyssi, Alaa; Boer, Remco E. de; Dedovich, Dmitri V.; Deng, Chuangqi; Deng, Ziyan; Denig, Achim; Denisenko, Igor; Destefanis, Marco Giovanni Maria; De Mori, Francesca; Ding, Xiaoxuan; Ding, Y.; Ding, Y. X.; Ding, Yi.; Dong, J.; Dong, Liaoyuan; Dong, Mingyi; Dong, X.; Du, Mengchuan; Du, S. X.; Du, Shaoxu; Duan, Y. Y.; Duan, Zonghuan; Egorov, Prokhor; Fan, G. F.; Fan, J. J.; Fan, Y. H.; Fang, J.; Fang, Jin; Fang, Shuangshi; Fang, Wenxing; Fang, Y. Q.; Fava, Luciano; Feldbauer, Florian; Felici, Giulietto; Feng, Changqing; Feng, Junhua; Feng, L.; Feng, Q. X.; Feng, Y. T.; Fritsch, Miriam; Fu, Chengdong; Fu, J. L.; Fu, Y. W.; Gao, H.; Gao, Xu; Gao, Y.; Gao, Y. N.; Gao, Y. Y.; Gao, Yunong; Gao, Z.; Garbolino, Sara; Garzia, Isabella; Ge, L.; Ge, Panting; Ge, Zhenwu; Geng, Cong; Gersabeck, Evelina; Gilman, Alexander; Goetzen, Klaus; Gollub, J.; Gong, Jiading; Gong, Li; Gong, Wenxuan; Gradl, Wolfgang; Gramigna, Stefano; Greco, Michela; Gu, M. D.; Gu, Minhao; Guan, Chunyi; Guo, Aiqiang; Guo, J. N.; Guo, Libo; Guo, Mengjiao; Guo, Rupan; Guo, X.; Guo, Yuping; Guskov, Alexey; Gutierrez, J.; Han, J. Y.; Han, Tingting; Hanisch, Frederike; Hao, K. D.; Hao, Xiqing; Harris, Frederick Allan; He, C. Z.; He, Kaikai; He, Kanglin; Heinsius, Fritz-Herbert; Heinz, Christopher H.; Heng, Yuekun; Herold, Christoph; Hong, PengCheng; Hou, Guoyi; Hou, Xiantao; Hou, Y. R.; Hou, Zhilong; Hu, Haiming; Hu, J. F.; Hu, Q. P.; Hu, S. L.; Hu, Tao; Hu, Y.; Hu, Z. M.; Huang, G. S.; Huang, Kaixuan; Huang, Linqin; Huang, P.; Huang, Xingtao; Huang, Y. P.; Huang, Yongsheng; Hussain, Tahir; Hüsken, Nils; Wiesche, Nikolai in der; Jackson, Joshua; Ji, Quan; Ji, Qingping; Ji, W.; Ji, X. B.; Ji, X. L.; Ji, Yuyao; Jia, X. Q.; Jia, Zekun; Jiang, D.; Jiang, Houbing; Jiang, S. J.; Jiang, Xiaoshan; Jiang, Y.; Jiao, J. B.; Jiao, J. K.; Jiao, Zheng; Jin, L. C. L.; Jin, Shan; Jin, Y.; Jing, Maoqiang; Jing, X. M.; Johansson, Tord; Kabana, Sonia; Kang, Xiaolin; Ke, Bai-Cian; Khachatryan, Vladimir; Khoukaz, Alfons; Kolcu, Onur Bugra; Kopf, Bertram; Kröger, L.; Krümmel, L.; Küßner, Meike; Kui, X.; Kumar, Neeraj; Kupsc, Andrzej; Kühn, Wolfgang; Lan, Q.; Lan, W. N.; Lei, T. T.; Lellmann, Max; Lenz, Thomas; Li, C.; Li, Chunhua; Li, Chunkai; Li, Cong; Li, D. M.; Li, F.; Li, G.; Li, Haibo; Li, Huijing; Li, H. L.; Li, H. N.; Li, Hui; Li, J. R.; Li, J. S.; Li, J. W.; Li, Kai; Li, K. L.; Li, Linjian; Li, Lei; Li, M. H.; Li, M. R.; Li, P. L.; Li, Peirong; Li, Q. M.; Li, Q. X.; Li, R.; Li, S. X.; Li, Shanshan; Li, T.; Li, T. Y.; Li, Weidong; Li, Weiguo; Li, X.; Li, X. H.; Li, X. K.; Li, X. L.; Li, X. Y.; Li, X. Z.; Li, Y.; Li, Yangu; Li, Y. P.; Li, Z. H.; Li, Zhijun; Li, Z. X.; Li, Z. Y.; Liang, C.; Liang, H.; Liang, Y. F.; Liang, Y. T.; Liao, Guangrui; Liao, L. B.; Liao, M. H.; Liao, Yipu; Libby, James; Limphirat, Ayut; Lin, C. C.; Lin, C. X.; Lin, D. X.; Lin, T.; Liu, B. J.; Liu, B. X.; Liu, Cheng; Liu, C. X.; Liu, F.; Liu, Fu-Hu; Liu, Feng; Liu, G. M.; Liu, H.; Liu, H. B.; Liu, H. M.; Liu, Huihui; Liu, J. B.; Liu, J. J.; Liu, K.; Liu, K. Y.; Liu, Ke; Liu, Kun; Liu, L.; Liu, Liangchen; Liu, Lu; Liu, Meihong; Liu, P. L.; Liu, Q.; Liu, S. B.; Liu, Tong; Liu, Weimin; Liu, W. T.; Liu, X.; Liu, X. K.; Liu, X. L.; Liu, X. Y.; Liu, Y.; Liu, Y. B.; Liu, Yi; Liu, Zhen-An; Liu, Z. D.; Liu, Zhiqing; Liu, Z. X.; Liu, Z. Y.; Lou, Xinchou; Lu, H. J.; Lu, Junguang; Lu, X. L.; Lu, Y.; Lu, Y. H.; Lu, Yunpeng; Lu, Z. H.; Luo, Chenglin; Luo, J. R.; Luo, J. S.; Luo, M. X.; Luo, Tao; Luo, X. L.; Lv, Z. Y.; Lyu, Xiao-Rui; Lyu, Y. F.; Lyu, Y. H.; Ma, Fengcai; Ma, Hailong; Ma, Heng; Ma, Jun-Li; Ma, Lianliang; Ma, L. R.; Ma, Qiumei; Ma, Runqiu; Ma, R. Y.; Ma, T.; Ma, X. T.; Ma, Xiaoyan; Ma, Y. M.; Maas, Frank E.; MacKay, Innes; Maggiora, Marco; Malde, Sneha; Malik, Qadeer Afzal; Mao, H. X.; Mao, Yajun; Mao, Zepu; Marcello, Simonetta; Marshall, A.; Melendi, Federico Matias; Meng, Y. H.; Meng, Z. X.; Mezzadri, Giulio; Miao, H.; Min, T. J.; Mitchell, Ryan Edward; Mo, Xiaohu; Moses, Benjamin'Benjamin; Muchnoi, Nikolai Yu.; Muskalla, Jan; Nefedov, Yury; Nerling, Frank; Neuwirth, H.; Ning, Z.; Nisar, Shabana; Niu, Q. L.; Niu, W. D.; Niu, Y.; Normand, C.; Olsen, Stephen L.; Ouyang, Qun; Pacetti, Simone; Pan, Y.; Pathak, Amit; Pei, Y. P.; Pelizäus, Marc; Peng, H. P.; Peng, X. J.; Peng, Y. Y.; Peters, Klaus; Petridis, Konstantinos; Ping, J. L.; Ping, Ronggang; Plura, Saskia; Prasad, Vindhyawasini; Qi, F. Z.; Qi, Hongrong; Qi, Ming; Qian, S.; Qian, W. B.; Qiao, Congfeng; Qiao, J. H.; Qin, Jiajia; Qin, J. L.; Qin, L. Q.; Qin, L. Y.; Qin, P. B.; Qin, Xiaoping; Qin, X. S.; Qin, Zhonghua; Qiu, Jinfa; Qu, Z. H.; Rademacker, Jonas; Redmer, Christoph Florian; Rivetti, Angelo; Da Rocha Rolo, Manuel Dionisio; Rong, Gang; Rong, S. S.; Rosini, Francesco; Rosner, Christoph; Ruan, M. Q.; Salone, Nora; Sarantsev, Andrei V.; Schelhaas, Yasemin; Schernau, M.; Schönning, Karin; Scodeggio, Marco; Shan, Wei; Shan, Xinyu; Shang, Z. J.; Shangguan, Jianfeng; Shao, Ligang; Shao, Ming; Shen, Chengping; Shen, Hong-Fei; Shen, Wenhan; Shen, Xiaoyan; Shi, B. A.; Shi, H.; Shi, J. L.; Shi, J. Y.; Shi, S. Y.; Shi, X.; Song, H. L.; Song, Jiaojiao; Song, M. H.; Song, T. Z.; Song, Weimin; Song, Yunxuan; Song, Zirong; Sosio, Stefano; Spataro, Stefano; Stansilaus, S.; Stieler, Frederic; Stolte, M.; Su, S. S; Sun, G. B.; Sun, Gongxing; Sun, H.; Sun, H. K.; Sun, J. F.; Sun, K.; Sun, Liang; Sun, R.; Sun, S. S.; Sun, T.; Sun, Wenyu; Sun, Y. C.; Sun, Y. H.; Sun, Y. J.; Sun, Y. Z.; Sun, Z. Q.; Sun, Zhentian; Tabaharizato, H.; Tang, C. J.; Tang, G. Y.; Tang, J.; Tang, J. J.; Tang, L. F.; Tang, YingAo; Tao, L. Y.; Tat, Martin; Teng, Jiaxiu; Tian, J. Y.; Tian, W. H.; Tian, Y.; Tian, Z. F.; Uman, Ismail; van der Smagt, E.; Wang, Bo; Wang, Bin; Wang, C.; Wang, Chao; Wang, Cong; Wang, D. Y.; Wang, H. J.; Wang, H. R.; Wang, J.; Wang, J. J.; Wang, J. P.; Wang, K.; Wang, Liangliang; Wang, L. W.; Wang, M.; Wang, Mi; Wang, N. Y.; Wang, S.; Wang, Shun; Wang, T.; Wang, T. J.; Wang, W.; Wang, Weiping; Wang, Xiongfei; Wang, X. L.; Wang, X. N.; Wang, Xin; Wang, Y.; Wang, Y. D.; Wang, Y. F.; Wang, Yinghao; Wang, Y. J.; Wang, Y. L.; Wang, Y. N.; Wang, Yanning; Wang, Yaqian; Wang, Yi; Wang, Yuan; Wang, Z.; Wang, Z. L.; Wang, Z. Q.; Wang, Z. Y.; Wang, Zhi; Wang, Ziyi; Wei, D.; Wei, D. H.; Wei, H. R.; Weidner, Frederik; Wen, Shuopin; Wiedner, Ulrich; Wilkinson, Guy; Wolke, Magnus; Wu, Jinfei; Wu, Linghui; Wu, Lianjin; Wu, Lianjie; Wu, S. G.; Wu, S. M.; Wu, X. W.; Wu, Z.; Xia, L.; Xiang, Benhou; Xiao, D.; Xiao, G. Y.; Xiao, Hao; Xiao, Y. L.; Xiao, Zhenjun; Xie, Cheng; Xie, K. J.; Xie, Y.; Xie, Y. G.; Xie, Y. H.; Xie, Z. P.; Xing, T. Y.; Xiong, D. B.; Xu, C. J.; Xu, Guofa; Xu, H. Y.; Xu, M.; Xu, Q. J.; Xu, Q. N.; Xu, T. D.; Xu, Xinping; Xu, Y.; Xu, Yingchao; Xu, Z. S.; Yan, F.; Yan, Liang; Yan, W. B.; Yan, Wencheng; Yan, W. H.; Yan, W. P.; Yan, Xueqing; Yan, Y. Y.; Yang, H. J.; Yang, Haolin; Yang, Hongxun; Yang, J. H.; Yang, R. J.; Yang, X. Y.; Yang, Y.; Yang, Youhua; Yang, Y. Q.; Yang, Y. Z.; Yao, W. J.; Yao, Z. P.; Ye, M.; Ye, Minghan; Ye, Z. J.; Yin, Junhao; You, Z. Y.; Yu, Boxiang; Yu, Chunxu; Yu, G.; Yu, J. S.; Yu, L. W.; Yu, T.; Yu, Xudong; Yu, Y. C.; Yu, Yongchao; Yuan, Chang-Zheng; Yuan, H.; Yuan, J.; Yuan, Jie; Yuan, L.; Yuan, M. K.; Yuan, S. H.; Yuan, Ye; Yue, C. X.; Yue, Ying; Zafar, A. A.; Zeng, F. R.; Zeng, S. H.; Zeng, X.; Zeng, Y. J.; Zeng, Yujie; Zhai, Y. C.; Zhan, Y. H.; Zhang, Bolun; Zhang, Bingxin; Zhang, D. H.; Zhang, G. Y.; Zhang, Gengyuan; Zhang, H.; Zhang, H. C.; Zhang, H. H.; Zhang, H. Q.; Zhang, H. R.; Zhang, Hongyu; Zhang, Han; Zhang, J.; Zhang, J. J.; Zhang, Jielei; Zhang, Jingqing; Zhang, Jiasheng; Zhang, J. W.; Zhang, J. X.; Zhang, Jianyong; Zhang, J. Z.; Zhang, Jianyu; Zhang, L. M.; Zhang, Lei; Zhang, N.; Zhang, Peng; Zhang, Q.; Zhang, Q. Y.; Zhang, R. Y.; Zhang, S. H.; Zhang, S. N.; Zhang, Shulei; Zhang, X. M.; Zhang, X. Y.; Zhang, Yateng; Zhang, Y. H.; Zhang, Y. P.; Zhang, Yao; Zhang, Yu; Zhang, Z.; Zhang, Z. D.; Zhang, Z. H.; Zhang, Z. L.; Zhang, Z. X.; Zhang, Z. Y.; Zhang, Zh. Zh.; Zhang, Zhilong; Zhang, Ziyang; Zhang, Ziyu; Zhao, G.; Zhao, Jingyi; Zhao, J. Z.; Zhao, L.; Zhao, Lei; Zhao, Ming-Gang; Zhao, Ruoping; Zhao, Shujun; Zhao, Yubin; Zhao, Y. L.; Zhao, Y. P.; Zhao, Y. X.; Zhao, Zhengguo; Zhemchugov, Alexey; Zheng, Bo; Zheng, B. M.; Zheng, Jianping; Zheng, Wenjing; Zheng, X. R.; Zheng, Y. H.; Zhong, B.; Zhong, C.; Zhou, H.; Zhou, J. Q.; Zhou, S.; Zhou, X.; Zhou, X. K.; Zhou, X. R.; Zhou, X. Y.; Zhou, Y. X.; Zhou, Yizhuo; Zhu, Aonan; Zhu, J.; Zhu, K.; Zhu, Kejun; Zhu, K. S.; Zhu, Linxuan; Zhu, Lin; Zhu, S. H.; Zhu, T. J.; Zhu, W. D.; Zhu, W. J.; Zhu, W. Z.; Zhu, Y. C.; Zhu, Zian; Zhuang, Xinyu; Zou, Jiaheng
Publication Year: 2026
Collection: Publication Server of Goethe University Frankfurt am Main
Subject Terms: ddc:530
Description: Based on 4.5 fb−1 of e +e − collision data collected at center-of-mass energies between 4599.53 MeV and 4698.82 MeV with the BESIII detector, the absolute branching fractions of twelve Λ + c hadronic decay modes are measured with a double-tag technique. A global least-square fit is implemented simultaneously among different decay modes at different energy points. This paper gives the most precise results on the branching fractions of different decay modes to date, with precision improved by a factor of 2 to 3. Among them, the branching fraction of Λ + c → pK−π + is determined to be (6.61±0.11±0.12)%, where the first uncertainty is statistical and the second is systematic. In addition, the e +e − → Λ + c Λ¯− c Born cross sections and the effective form factors (
Document Type: report
File Description: application/pdf
Language: English
Relation: https://doi.org/10.48550/ARXIV.2601.01503
DOI: 10.48550/ARXIV.2601.01503
Availability: http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/95692; https://nbn-resolving.org/urn:nbn:de:hebis:30:3-956928; https://doi.org/10.48550/ARXIV.2601.01503; http://publikationen.ub.uni-frankfurt.de/files/95692/2601.01503v2.pdf
Rights: https://creativecommons.org/licenses/by/4.0/deed.de ; info:eu-repo/semantics/openAccess
Accession Number: edsbas.B658D21D
Database: BASE