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First measurement of polarizations in the decay D⁰ → ωϕ

Medina Ablikim, Mikhail N. Achasov, Patrik Adlarson, Samer Ahmed, Malte Albrecht, Riccardo Aliberti, Antonio Amoroso, M. R. An, Q. An, X. H. Bai, Y. Bai, Olga Bakina, R. Baldini Ferroli, Ilaria Balossino, Yong Ban, Khurelbaatar Begzsuren, Niklaus Berger, Monica Bertani, Diego Bettoni, Fabrizio Bianchi, Johannes Bloms, Alberto Bortone, Igor R. Boyko, Roy A. Briere, H. Cai, X. Cai, Alessandro Calcaterra, G. F. Cao, N. Cao, Serkant Ali Çetin, Jinfan Chang, W. L. Chang, Gueorgui A. Chelkov, D. Y. Chen, G. Chen, Hesheng Chen, M. L. Chen, S. J. Chen, X. R. Chen, Yuanbo Chen, Z. J Chen, W. S. Cheng, Gianluigi Cibinetto, Fabio Cossio, X. F. Cui, Hongliang Dai, J. P. Dai, Xinchen Dai, Alaa Dbeyssi, Remco E. de Boer, Dmitri V. Dedovich, Ziyan Deng, Achim Denig, Igor Denysenko, Marco Giovanni Maria Destefanis, Francesca De Mori, Y. Ding, C. Dong, J. Dong, Liaoyuan Dong, Mingyi Dong, X. Dong, Shuxian Du, Y. L. Fan, J. Fang, Shuangshi Fang, Y. Fang, Riccardo Farinelli, Luciano Fava, Florian Feldbauer, Giulietto Felici, C. Q. Feng, J. H. Feng, Miriam Fritsch, Chengdong Fu, Y. Gao, Y. Gao, Y. Gao, Y. G. Gao, I. Garzia, P. T. Ge, C. Geng, Evelina Gersabeck, A Gilman, Klaus Goetzen, L. Gong, Wenxuan Gong, Wolfgang Gradl, M. Greco, L. M. Gu, Minhao Gu, Y. T. Gu, C. Y Guan, Aiqiang Guo, L. B. Guo, R. P. Guo, Yuping Guo, Alexey Guskov, T. T. Han, W. Y. Han, Xiqing Hao, F. A. Harris, K. L. He, Fritz-Herbert Heinsius, C. H. Heinz, Yuekun Heng, Christoph Herold, Mathilde Himmelreich, Tobias Holtmann, G. Y. Hou, Y. R. Hou, Zhilong Hou, Haiming Hu, J. F. Hu, T. Hu, Y. Hu, G. S. Huang, L. Q. Huang, X. T. Huang, Y. P. Huang, Z. Huang, Tahir Hussain, Nils Hüsken, W. Ikegami Andersson, William Imoehl, M. Irshad, S. Jaeger, S. Janchiv, Quan Ji, Qingping Ji, X. B. Ji, X. L. Ji, Y. Y. Ji, H. B. Jiang, Xiaoshan Jiang, J. B. Jiao, Z. Jiao, Shan Jin, Y. Jin, M. Q. Jing, Tord Johansson, Nasser Kalantar-Nayestanaki, X. S. Kang, Rosa Kappert, Myroslav O. Kavatsyuk, B. C. Ke, I. K. Keshk, Alfons Khoukaz, P. Kiese, R. Kiuchi, Ralf Kliemt, L. Koch, Onur Bugra Kolcu, Bertram Kopf, M. Kuemmel, Meike Küßner, Andrzej Kupsc, M. G. Kurth, Wolfgang Kühn, John Jake Lane, Jens Sören Lange, Paul Larin, Anita Lavania, Lia Lavezzi, Z. H. Lei, H. Leithoff, Max Lellmann, Thomas Lenz, C. Li, C. H. Li, Cheng Li, D. M. Li, F. Li, G. Li, H. Li, H. Li, Haibo Li, H. J. Li, J. L. Li, J. Q. Li, J. S. Li, Ke Li, L. K. Li, Lei Li, P. R. Li, S. Y. Li, Weidong Li, Weiguo Li, X. H. Li, X. L. Li, Xiaoyu Li, Z. Y. Li, H. Liang, H. Liang, H. Liang, Y. F. Liang, Y. T. Liang, G. R. Liao, L. Z. Liao, J. Libby, C. X. Lin, B. J. Liu, C. X. Liu, D. Liu, Fu-Hu Liu, Fang Liu, Feng Liu, H. B. Liu, H. M. Liu, Huanhuan Liu, Huihui Liu, J. B. Liu, J. L. Liu, J. Y. Liu, K. Liu, K. Y. Liu, Ke Liu, L. Liu, M. H. Liu, P. L. Liu, Q. Liu, Q. Liu, S. B. Liu, Shuai Liu, T. Liu, W. M. Liu, X. Liu, Y. Liu, Y. B. Liu, Zhen-An Liu, Z. Q. Liu, Xinchou Lou, F. X. Lu, H. J. Lu, J. D. Lu, Junguang Lu, X. L. Lu, Y. Lu, Yunpeng Lu, Chenglin Luo, M. X. Luo, P. W. Luo, T. Luo, X. L. Luo, Xiao-Rui Lyu, Fengcai Ma, H. L. Ma, Lianliang Ma, M. M. Ma, Qiumei Ma, R. Q. Ma, R. T. Ma, X. X. Ma, Xiaoyan Ma, Frank E. Maas, Marco Maggiora, Stephan Maldaner, Sneha Malde, Qadeer Afzal Malik, Alessio Mangoni, Yajun Mao, Zepu Mao, Simonetta Marcello, Z. X. Meng, Johannes Gerhardus Messchendorp, Giulio Mezzadri, T. J. Min, Ryan Edward Mitchell, Xiaohu Mo, Nikolai Yu. Muchnoi, H. Muramatsu, Simon Nakhoul, Yury Nefedov, Frank Nerling, Ivan Borisovich Nikolaev, Z. Ning, Shabana Nisar, Stephen L. Olsen, Qun Ouyang, Simone Pacetti, X. Pan, Y. Pan, A. Pathak, A. Pathak, P. Patteri, Marc Pelizäus, H. P. Peng, Klaus Peters, J. Pettersson, J. L. Ping, R. G. Ping, S. Pogodin, Ronald Poling, Vindhyawasini Prasad, H. Qi, H. R. Qi, K. H. Qi, Ming Qi, T. Y. Qi, S. Qian, W. B. Qian, Z. Qian, Congfeng Qiao, L. Q. Qin, X. P. Qin, X. S. Qin, Zhonghua Qin, Jinfa Qiu, S. Q. Qu, K. H. Rashid, Krishnakumar Ravindran, Christoph Florian Redmer, Angelo Rivetti, Viktor Rodin, Manuel Dionisio Da Rocha Rolo, Gang Rong, Christoph Rosner, Marcel Andre Rump, H. S. Sang, Andrei V. Sarantsev, Yasemin Schelhaas, Claudius Schnier, Karin Schönning, Marco Scodeggio, D. C. Shan, Wei Shan, Xinyu Shan, J. F. Shangguan, M. Shao, C. P. Shen, H. F. Shen, P. X. Shen, X. Y. Shen, H. C. Shi, R. S. Shi, X. Shi, X. D Shi, J. J. Song, W. M. Song, Y. X. Song, Stefano Sosio, Stefano Spataro, K. X. Su, P. P. Su, F. F. Sui, Gongxing Sun, H. K. Sun, J. F. Sun, L. Sun, S. S. Sun, T. Sun, W. Y. Sun, W. Y. Sun, X Sun, Y. J. Sun, Y. K. Sun, Y. Z. Sun, Z. T. Sun, Y. H. Tan, Y. X. Tan, C. J. Tang, G. Y. Tang, J. Tang, J. X. Teng, Viktor Thoren, W. H. Tian, Y. T. Tian, Ismail Uman, B. Wang, C. W. Wang, D. Y. Wang, H. J. Wang, H. P. Wang, K. Wang, L. L. Wang, M. Wang, M. Z. Wang, Meng Wang, W. Wang, W. H. Wang, W. P. Wang, X. Wang, X. F. Wang, X. L. Wang, Y. Wang, Y. Wang, Y. D. Wang, Y. F. Wang, Y. Q. Wang, Y. Y. Wang, Z. Wang, Z. Y. Wang, Ziyi Wang, Zongyuan Wang, D. H. Wei, Frederik Weidner, Shuopin Wen, D. J. White, Ulrich Wiedner, G. Wilkinson, Magnus Wolke, Leonard Wollenberg, J. F. Wu, Linghui Wu, L. J. Wu, X. Wu, Z. Wu, L. Xia, H. Xiao, S. Y. Xiao, Zhenjun Xiao, X. H. Xie, Y. G. Xie, Y. H. Xie, T. Y. Xing, C. J. Xu, Guofa Xu, Q. J. Xu, W. Xu, Xinping Xu, Y. C. Xu, F. Yan, L. Yan, W. B. Yan, W. C. Yan, Xu Yan, H. J. Yang, Hongxun Yang, L. Yang, S. L. Yang, Yongxu Yang, Yifan Yang, Zhi Yang, M. Ye, Minghan Ye, J. H. Yin, Z. Y. You, Boxiang Yu, C. X. Yu, G. Yu, J. S. Yu, T. Yu, Chang-Zheng Yuan, L. Yuan, X. Q. Yuan, Y. Yuan, Z. Y. Yuan, C. X. Yue, A. A. Zafar, X. Zeng Zeng, Y. Zeng, A. Q. Zhang, B. X. Zhang, Guangyi Zhang, H. Zhang, H. H. Zhang, H. H. Zhang, Hongyu Zhang, J. L. Zhang, J. Q. Zhang, J. W. Zhang, Jianyong Zhang, J. Z. Zhang, Jianyu Zhang, Jiawei Zhang, L. M. Zhang, L. Q. Zhang, Lei Zhang, S. Zhang, S. F. Zhang, Shulei Zhang, X. D. Zhang, X. Y. Zhang, Y. Zhang, Y. T. Zhang, Y. H. Zhang, Yan Zhang, Yao Zhang, Z. Y. Zhang, G. Zhao, J. Zhao, J. Y. Zhao, J. Z. Zhao, Lei Zhao, Ling Zhao, Ming-Gang Zhao, Q. Zhao, Shujun Zhao, Yubin Zhao, Y. X. Zhao, Zhengguo Zhao, Alexey Zhemchugov, B. Zheng, Jianping Zheng, Y. H. Zheng, B. Zhong, C. Zhong, L. P. Zhou, Q. Zhou, X. Zhou, X. K. Zhou, X. R. Zhou, X. Y. Zhou, A. N. Zhu, J. Zhu, K. Zhu, Kejun Zhu, S. H. Zhu, T. J. Zhu, W. J. Zhu, W. J. Zhu, Y. C. Zhu, Zian Zhu, B. S. Zou, Jiaheng Zou

  • Using a data sample corresponding to an integrated luminosity of 2.93 fb−1 collected at a center-of-mass energy s√=3.773 GeV by the BESIII detector, the decay D0→ωϕ is observed for the first time. The branching fraction is measured to be (6.48±0.96±0.40)×10−4 with a significance of 6.3σ, where the first and second uncertainties are statistical and systematic, respectively. An angular analysis reveals that the ϕ and ω mesons from the D0→ωϕ decay are transversely polarized. The 95% confidence level upper limit on longitudinal polarization fraction is set to be less than 0.24, which is inconsistent with current theoretical expectations and challenges our understanding of the underlying dynamics in charm meson decays.

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Author:Medina AblikimORCiD, Mikhail N. AchasovORCiD, Patrik AdlarsonORCiD, Samer AhmedGND, Malte AlbrechtORCiDGND, Riccardo AlibertiORCiDGND, Antonio AmorosoORCiD, M. R. An, Q. An, X. H. Bai, Y. Bai, Olga Bakina, R. Baldini Ferroli, Ilaria BalossinoORCiD, Yong BanORCiD, Khurelbaatar Begzsuren, Niklaus BergerORCiDGND, Monica BertaniORCiD, Diego BettoniORCiD, Fabrizio BianchiORCiD, Johannes BlomsGND, Alberto BortoneORCiD, Igor R. BoykoORCiD, Roy A. BriereORCiD, H. Cai, X. Cai, Alessandro CalcaterraORCiD, G. F. Cao, N. Cao, Serkant Ali ÇetinORCiD, Jinfan ChangORCiD, W. L. Chang, Gueorgui A. ChelkovORCiD, D. Y. Chen, G. Chen, Hesheng ChenORCiD, M. L. Chen, S. J. Chen, X. R. Chen, Yuanbo ChenORCiD, Z. J Chen, W. S. Cheng, Gianluigi CibinettoORCiD, Fabio CossioORCiD, X. F. Cui, Hongliang DaiORCiD, J. P. Dai, Xinchen DaiORCiD, Alaa DbeyssiORCiD, Remco E. de BoerORCiD, Dmitri V. Dedovich, Ziyan DengORCiD, Achim DenigORCiD, Igor Denysenko, Marco Giovanni Maria DestefanisORCiDGND, Francesca De MoriORCiD, Y. Ding, C. Dong, J. Dong, Liaoyuan DongORCiD, Mingyi DongORCiD, X. Dong, Shuxian Du, Y. L. Fan, J. Fang, Shuangshi FangORCiD, Y. Fang, Riccardo FarinelliORCiD, Luciano FavaORCiD, Florian FeldbauerGND, Giulietto FeliciORCiD, C. Q. Feng, J. H. Feng, Miriam FritschORCiDGND, Chengdong FuORCiD, Y. Gao, Y. Gao, Y. Gao, Y. G. Gao, I. Garzia, P. T. Ge, C. Geng, Evelina GersabeckORCiDGND, A Gilman, Klaus GoetzenORCiDGND, L. Gong, Wenxuan GongORCiD, Wolfgang GradlORCiDGND, M. Greco, L. M. Gu, Minhao GuORCiD, Y. T. Gu, C. Y Guan, Aiqiang GuoORCiD, L. B. Guo, R. P. Guo, Yuping GuoORCiD, Alexey GuskovORCiD, T. T. Han, W. Y. Han, Xiqing Hao, F. A. Harris, K. L. He, Fritz-Herbert HeinsiusORCiDGND, C. H. Heinz, Yuekun HengORCiD, Christoph HeroldORCiDGND, Mathilde HimmelreichGND, Tobias HoltmannGND, G. Y. Hou, Y. R. Hou, Zhilong HouORCiD, Haiming HuORCiD, J. F. Hu, T. Hu, Y. Hu, G. S. Huang, L. Q. Huang, X. T. Huang, Y. P. Huang, Z. Huang, Tahir HussainORCiD, Nils HüskenORCiDGND, W. Ikegami Andersson, William ImoehlORCiD, M. Irshad, S. Jaeger, S. Janchiv, Quan JiORCiD, Qingping JiORCiD, X. B. Ji, X. L. Ji, Y. Y. Ji, H. B. Jiang, Xiaoshan JiangORCiD, J. B. Jiao, Z. Jiao, Shan JinORCiD, Y. Jin, M. Q. Jing, Tord JohanssonORCiD, Nasser Kalantar-NayestanakiORCiD, X. S. Kang, Rosa KappertORCiD, Myroslav O. Kavatsyuk, B. C. Ke, I. K. Keshk, Alfons KhoukazORCiDGND, P. Kiese, R. Kiuchi, Ralf KliemtORCiD, L. Koch, Onur Bugra KolcuORCiD, Bertram KopfGND, M. Kuemmel, Meike KüßnerORCiDGND, Andrzej KupscORCiD, M. G. Kurth, Wolfgang KühnORCiD, John Jake LaneORCiD, Jens Sören LangeORCiDGND, Paul LarinGND, Anita Lavania, Lia LavezziORCiD, Z. H. Lei, H. Leithoff, Max LellmannORCiD, Thomas LenzORCiDGND, C. Li, C. H. Li, Cheng Li, D. M. Li, F. Li, G. Li, H. Li, H. Li, Haibo LiORCiD, H. J. Li, J. L. Li, J. Q. Li, J. S. Li, Ke Li, L. K. Li, Lei Li, P. R. Li, S. Y. Li, Weidong LiORCiD, Weiguo LiORCiD, X. H. Li, X. L. Li, Xiaoyu Li, Z. Y. Li, H. Liang, H. Liang, H. Liang, Y. F. Liang, Y. T. Liang, G. R. Liao, L. Z. Liao, J. Libby, C. X. Lin, B. J. Liu, C. X. Liu, D. Liu, Fu-Hu LiuORCiD, Fang Liu, Feng Liu, H. B. Liu, H. M. Liu, Huanhuan LiuORCiD, Huihui Liu, J. B. Liu, J. L. Liu, J. Y. Liu, K. Liu, K. Y. Liu, Ke Liu, L. Liu, M. H. Liu, P. L. Liu, Q. Liu, Q. Liu, S. B. Liu, Shuai Liu, T. Liu, W. M. Liu, X. Liu, Y. Liu, Y. B. Liu, Zhen-An LiuORCiDGND, Z. Q. Liu, Xinchou LouORCiD, F. X. Lu, H. J. Lu, J. D. Lu, Junguang LuORCiD, X. L. Lu, Y. Lu, Yunpeng LuORCiD, Chenglin LuoORCiD, M. X. Luo, P. W. Luo, T. Luo, X. L. Luo, Xiao-Rui LyuORCiD, Fengcai Ma, H. L. Ma, Lianliang MaORCiD, M. M. Ma, Qiumei MaORCiD, R. Q. Ma, R. T. Ma, X. X. Ma, Xiaoyan MaORCiD, Frank E. MaasORCiDGND, Marco MaggioraORCiD, Stephan MaldanerGND, Sneha MaldeORCiD, Qadeer Afzal Malik, Alessio MangoniORCiD, Yajun Mao, Zepu Mao, Simonetta MarcelloORCiD, Z. X. Meng, Johannes Gerhardus MesschendorpORCiDGND, Giulio MezzadriORCiD, T. J. Min, Ryan Edward Mitchell, Xiaohu MoORCiD, Nikolai Yu. MuchnoiORCiDGND, H. Muramatsu, Simon NakhoulGND, Yury NefedovORCiD, Frank NerlingORCiD, Ivan Borisovich NikolaevORCiD, Z. Ning, Shabana Nisar, Stephen L. OlsenORCiD, Qun OuyangORCiD, Simone PacettiORCiD, X. Pan, Y. Pan, A. Pathak, A. Pathak, P. Patteri, Marc PelizäusGND, H. P. Peng, Klaus PetersORCiDGND, J. Pettersson, J. L. Ping, R. G. Ping, S. Pogodin, Ronald PolingORCiD, Vindhyawasini PrasadORCiD, H. Qi, H. R. Qi, K. H. Qi, Ming QiORCiD, T. Y. Qi, S. Qian, W. B. Qian, Z. Qian, Congfeng Qiao, L. Q. Qin, X. P. Qin, X. S. Qin, Zhonghua QinORCiD, Jinfa QiuORCiD, S. Q. Qu, K. H. Rashid, Krishnakumar RavindranORCiD, Christoph Florian RedmerORCiDGND, Angelo RivettiORCiD, Viktor Rodin, Manuel Dionisio Da Rocha RoloORCiD, Gang RongORCiD, Christoph RosnerORCiDGND, Marcel Andre RumpGND, H. S. Sang, Andrei V. SarantsevGND, Yasemin Schelhaas, Claudius SchnierGND, Karin SchönningORCiD, Marco ScodeggioORCiD, D. C. Shan, Wei ShanORCiD, Xinyu ShanORCiD, J. F. Shangguan, M. Shao, C. P. Shen, H. F. Shen, P. X. Shen, X. Y. Shen, H. C. Shi, R. S. Shi, X. Shi, X. D Shi, J. J. Song, W. M. Song, Y. X. Song, Stefano SosioORCiD, Stefano SpataroORCiD, K. X. Su, P. P. Su, F. F. Sui, Gongxing SunORCiD, H. K. Sun, J. F. Sun, L. Sun, S. S. Sun, T. Sun, W. Y. Sun, W. Y. Sun, X Sun, Y. J. Sun, Y. K. Sun, Y. Z. Sun, Z. T. Sun, Y. H. Tan, Y. X. Tan, C. J. Tang, G. Y. Tang, J. Tang, J. X. Teng, Viktor ThorenORCiD, W. H. Tian, Y. T. Tian, Ismail UmanORCiDGND, B. Wang, C. W. Wang, D. Y. Wang, H. J. Wang, H. P. Wang, K. Wang, L. L. Wang, M. Wang, M. Z. Wang, Meng WangORCiD, W. Wang, W. H. Wang, W. P. Wang, X. Wang, X. F. Wang, X. L. Wang, Y. Wang, Y. Wang, Y. D. Wang, Y. F. Wang, Y. Q. Wang, Y. Y. Wang, Z. Wang, Z. Y. Wang, Ziyi WangORCiD, Zongyuan WangORCiD, D. H. Wei, Frederik Weidner, Shuopin WenORCiD, D. J. White, Ulrich WiednerORCiDGND, G. Wilkinson, Magnus WolkeGND, Leonard Wollenberg, J. F. Wu, Linghui WuORCiD, L. J. Wu, X. Wu, Z. Wu, L. Xia, H. Xiao, S. Y. Xiao, Zhenjun XiaoORCiD, X. H. Xie, Y. G. Xie, Y. H. Xie, T. Y. Xing, C. J. Xu, Guofa XuORCiD, Q. J. Xu, W. Xu, Xinping XuORCiD, Y. C. Xu, F. Yan, L. Yan, W. B. Yan, W. C. Yan, Xu Yan, H. J. Yang, Hongxun YangORCiD, L. Yang, S. L. Yang, Yongxu Yang, Yifan YangORCiD, Zhi Yang, M. Ye, Minghan Ye, J. H. Yin, Z. Y. You, Boxiang YuORCiD, C. X. Yu, G. Yu, J. S. Yu, T. Yu, Chang-Zheng YuanORCiD, L. Yuan, X. Q. Yuan, Y. Yuan, Z. Y. Yuan, C. X. Yue, A. A. Zafar, X. Zeng Zeng, Y. Zeng, A. Q. Zhang, B. X. Zhang, Guangyi ZhangORCiD, H. Zhang, H. H. Zhang, H. H. Zhang, Hongyu ZhangORCiD, J. L. Zhang, J. Q. Zhang, J. W. Zhang, Jianyong ZhangORCiD, J. Z. Zhang, Jianyu Zhang, Jiawei Zhang, L. M. Zhang, L. Q. Zhang, Lei Zhang, S. Zhang, S. F. Zhang, Shulei Zhang, X. D. Zhang, X. Y. Zhang, Y. Zhang, Y. T. Zhang, Y. H. Zhang, Yan ZhangORCiD, Yao Zhang, Z. Y. Zhang, G. Zhao, J. Zhao, J. Y. Zhao, J. Z. Zhao, Lei ZhaoORCiD, Ling Zhao, Ming-Gang ZhaoORCiD, Q. Zhao, Shujun Zhao, Yubin ZhaoORCiD, Y. X. Zhao, Zhengguo ZhaoORCiD, Alexey ZhemchugovORCiD, B. Zheng, Jianping ZhengORCiD, Y. H. Zheng, B. Zhong, C. Zhong, L. P. Zhou, Q. Zhou, X. Zhou, X. K. Zhou, X. R. Zhou, X. Y. Zhou, A. N. Zhu, J. Zhu, K. Zhu, Kejun ZhuORCiD, S. H. Zhu, T. J. Zhu, W. J. Zhu, W. J. Zhu, Y. C. Zhu, Zian ZhuORCiD, B. S. Zou, Jiaheng ZouORCiD
URN:urn:nbn:de:hebis:30:3-847520
URL:https://arxiv.org/abs/2108.02405v3
DOI:https://doi.org/10.48550/ARXIV.2108.02405
ArXiv Id:http://arxiv.org/abs/2108.02405
Parent Title (English):arXiv
Publisher:arXiv
Document Type:Preprint
Language:English
Date of Publication (online):2021/12/14
Date of first Publication:2021/12/14
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Creating Corporation:BESIII Collaboration
Release Date:2024/06/26
Issue:2108.02405v3
Edition:Version 3
Page Number:11
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International