Measurement of singly Cabibbo-suppressed decays D⁰0 → π⁰π⁰π⁰, π⁰π⁰η, π⁰ηη and ηηη

Medina Ablikim, Mikhail N. Achasov, Samer Ahmed, Malte Albrecht, Antonio Amoroso, Fenfen An, Qi An, Jingzhi Bai, Y. Bai, Olga Bakina, Rinaldo Baldini Ferroli, Yong Ban, D.W. Bennett, Jake V. Bennett, Niklaus Berger, Monica Bertani, Diego Bettoni, J.M. Bian, Fabrizio Bianchi, E. Boger, Igor R. Boyko, Roy A. Briere, H. Cai, Xiao Cai, O. Cakir, Alessandro Calcaterra, G.F. Cao, Serkant Ali Çetin, J. Chai, Jinfan Chang, Gueorgui A. Chelkov, G. Chen, Hesheng Chen, J.C. Chen, M.L. Chen, P.L. Chen, S.J. Chen, X.R. Chen, Yuanbo Chen, X.K. Chu, Gianluigi Cibinetto, Hongliang Dai, J.P. Dai, Alaa Dbeyssi, 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, Z.L. Dou, Shuxian Du, P.F. Duan, J. Fang, Shuangshi Fang, Y. Fang, Riccardo Farinelli, Luciano Fava, S. Fegan, Florian Feldbauer, Giulietto Felici, C.Q. Feng, Elisa Fioravanti, Miriam Fritsch, Chengdong Fu, Q. Gao, X.L. Gao, Y. Gao, Y.G. Gao, Z. Gao, B. Garillon, I. Garzia, Klaus Goetzen, L. Gong, Wenxuan Gong, Wolfgang Gradl, M. Greco, Minhao Gu, Y.T. Gu, Aiqiang Guo, R.P. Guo, Yuping Guo, Z. Haddadi, S. Han, Xiqing Hao, F.A. Harris, K.L. He, X.Q. He, Fritz-Herbert Heinsius, T. Held, Yuekun Heng, Tobias Holtmann, Zhilong Hou, Haiming Hu, T. Hu, Y. Hu, G.S. Huang, J.S. Huang, Xingtao Huang, X.Z. Huang, Z.L. Huang, Tahir Hussain, Walter Ikegami Andersson, Quan Ji, Qingping Ji, X.B. Ji, X.L. Ji, Xiaoshan Jiang, X.Y. Jiang, J.B. Jiao, Z. Jiao, D.P. Jin, Shan Jin, Y. Jin, Tord Johansson, A. Julin, Nasser Kalantar-Nayestanaki, Xiaolin Kang, Xiaolin Kang, Myroslav O. Kavatsyuk, Bai-Cian Ke, T. Khan, Alfons Khoukaz, P. Kiese, Ralf Kliemt, Leonard Koch, Onur Bugra Kolcu, Bertram Kopf, M. Kornicer, M. Kuemmel, Meike Küßner, M. Kuhlmann, Andrzej Kupsc, Wolfgang Kühn, Jens Sören Lange, M. Lara, Paul Larin, Lia Lavezzi, H. Leithoff, C. Leng, C. Li, Cheng Li, D.M. Li, F. Li, F.Y. Li, G. Li, Haibo Li, Huijing Li, J.C. Li, Jin Li, K.J. Li, Kang Li, Ke Li, Lei Li, P.L. Li, Peirong Li, Q.Y. Li, Weidong Li, Weiguo Li, X.L. Li, X.N. Li, X.Q. Li, Z.B. Li, H. Liang, Y.F. Liang, Y.T. Liang, Guangrui Liao, D.X. Lin, B. Liu, B.J. Liu, C.X. Liu, D. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.M. Liu, Huanhuan Liu, Huihui Liu, J.B. Liu, J.Y. Liu, K. Liu, K.Y. Liu, Ke Liu, L.D. Liu, P.L. Liu, Q. Liu, S.B. Liu, X. Liu, Y.B. Liu, Zhen-An Liu, Zhiqing Liu, Y.F. Long, Xinchou Lou, H.J. Lu, Junguang Lu, Y. Lu, Yunpeng Lu, Chenglin Luo, M.X. Luo, X.L. Luo, Xiao-Rui Lyu, Fengcai Ma, Hailong Ma, Lianliang Ma, M.M. Ma, Qiumei Ma, T. Ma, X.N. Ma, Xiaoyan Ma, Y.M. Ma, Frank E. Maas, Marco Maggiora, Qadeer Afzal Malik, Yajun Mao, Zepu Mao, Simonetta Marcello, Z.X. Meng, Johannes Gerhardus Messchendorp, Giulio Mezzadri, J. Min, T.J. Min, Ryan Edward Mitchell, Xiaohu Mo, Y.J. Mo, C. Morales Morales, Nikolai Yu. Muchnoi, H. Muramatsu, A. Mustafa, Yury Nefedov, Frank Nerling, Ivan Borisovich Nikolaev, Z. Ning, Shabana Nisar, S.L. Niu, X.Y. Niu, Stephen L. Olsen, Qun Ouyang, Simone Pacetti, Y. Pan, Michael Papenbrock, P. Patteri, Marc Pelizäus, Jacopo Pellegrino, H.P. Peng, Klaus Peters, J. Pettersson, J.L. Ping, R.G. Ping, A. Pitka, Ronald Poling, Vindhyawasini Prasad, H.R. Qi, Ming Qi, S. Qian, Congfeng Qiao, N. Qin, X.S. Qin, Zhonghua Qin, Jinfa Qiu, K.H. Rashid, Christoph Florian Redmer, Matthias Richter, M. Ripka, Manuel Dionisio Da Rocha Rolo, Gang Rong, Christoph Rosner, Andrei V. Sarantsev, M. Savrié, Claudius Schnier, Karin Schönning, W. Shan, M. Shao, Chengping Shen, P.X. Shen, X.Y. Shen, H.Y. Sheng, J.J. Song, Weimin Song, X.Y. Song, Stefano Sosio, C. Sowa, Stefano Spataro, Gongxing Sun, J.F. Sun, Liang Sun, S.S. Sun, X.H. Sun, Y.J. Sun, Y.K. Sun, Y.Z. Sun, Z.J. Sun, Z.T. Sun, C.J. Tang, G.Y. Tang, X. Tang, I. Tapan, M. Tiemens, B. Tsednee, Ismail Uman, G.S. Varner, B. Wang, B.L. Wang, D. Wang, D.Y. Wang, Dan Wang, K. Wang, Liangliang Wang, L.S. Wang, M. Wang, Meng Wang, P. Wang, P.L. Wang, Weiping Wang, Xiongfei Wang, Y. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.G. Wang, Z.Y. Wang, Zongyuan Wang, T. Weber, D.H. Wei, P. Weidenkaff, Shuopin Wen, Ulrich Wiedner, Magnus Wolke, Linghui Wu, Lianjin Wu, Z. Wu, L. Xia, Y. Xia, D. Xiao, H. Xiao, Y.J. Xiao, Zhenjun Xiao, Y.G. Xie, Y.H. Xie, X.A. Xiong, Q.L. Xiu, Guofa Xu, J.J. Xu, L. Xu, Q.J. Xu, Q.N. Xu, Xinping Xu, Liang Yan, W.B. Yan, W.C. Yan, Y.H. Yan, H.J. Yang, Hongxun Yang, L. Yang, Y.H. Yang, Yongxu Yang, M. Ye, Minghan Ye, J.H. Yin, Z.Y. You, Boxiang Yu, C.X. Yu, J.S. Yu, Chang-Zheng Yuan, Y. Yuan, A. Yuncu, A.A. Zafar, Y. Zeng, Z. Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.H. Zhang, Hongyu Zhang, J. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, Jianyong Zhang, J.Z. Zhang, K. Zhang, L. Zhang, S.Q. Zhang, X.Y. Zhang, Y.H. Zhang, Yateng Zhang, Yang Zhang, Yao Zhang, Yu Zhang, Z.H. Zhang, Z.P. Zhang, Z.Y. Zhang, G. Zhao, J.W. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling Zhao, Ming-Gang Zhao, Q. Zhao, S.J. Zhao, T.C. Zhao, Yubin Zhao, Zhengguo Zhao, Alexey Zhemchugov, Bo Zheng, J.P. Zheng, Y.H. Zheng, B. Zhong, L. Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, X.Y. Zhou, J. Zhu, J. Zhu, K. Zhu, Kejun Zhu, S. Zhu, S.H. Zhu, X.L. Zhu, Y.C. Zhu, Y.S. Zhu, Zian Zhu, J. Zhuang, B.S. Zou, Jiaheng Zou

  • Using a data sample of e+e− collision data corresponding to an integrated luminosity of 2.93 fb−1 collected with the BESIII detector at a center-of-mass energy of s=3.773GeV, we search for the singly Cabibbo-suppressed decays D0→π0π0π0, π0π0η, π0ηη and ηηη using the double tag method. The absolute branching fractions are measured to be B(D0→π0π0π0)=(2.0±0.4±0.3)×10−4, B(D0→π0π0η)=(3.8±1.1±0.7)×10−4 and B(D0→π0ηη)=(7.3±1.6±1.5)×10−4 with the statistical significances of 4.8σ, 3.8σ and 5.5σ, respectively, where the first uncertainties are statistical and the second ones systematic. No significant signal of D0→ηηη is found, and the upper limit on its decay branching fraction is set to be B(D0→ηηη)<1.3×10−4 at the 90% confidence level.

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Author:Medina AblikimORCiD, Mikhail N. AchasovORCiD, Samer AhmedGND, Malte AlbrechtORCiDGND, Antonio AmorosoORCiD, Fenfen AnORCiD, Qi An, Jingzhi Bai, Y. Bai, Olga Bakina, Rinaldo Baldini Ferroli, Yong BanORCiD, D.W. Bennett, Jake V. BennettORCiD, Niklaus BergerORCiDGND, Monica BertaniORCiD, Diego BettoniORCiD, J.M. Bian, Fabrizio BianchiORCiD, E. Boger, Igor R. BoykoORCiD, Roy A. BriereORCiD, H. Cai, Xiao CaiORCiD, O. Cakir, Alessandro CalcaterraORCiD, G.F. Cao, Serkant Ali ÇetinORCiD, J. Chai, Jinfan ChangORCiD, Gueorgui A. ChelkovORCiD, G. Chen, Hesheng ChenORCiD, J.C. Chen, M.L. Chen, P.L. Chen, S.J. Chen, X.R. Chen, Yuanbo ChenORCiD, X.K. Chu, Gianluigi CibinettoORCiD, Hongliang DaiORCiD, J.P. Dai, Alaa DbeyssiORCiD, 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, Z.L. Dou, Shuxian Du, P.F. Duan, J. Fang, Shuangshi FangORCiD, Y. Fang, Riccardo FarinelliORCiD, Luciano FavaORCiD, S. Fegan, Florian FeldbauerGND, Giulietto FeliciORCiD, C.Q. Feng, Elisa FioravantiORCiD, Miriam FritschORCiDGND, Chengdong FuORCiD, Q. Gao, X.L. Gao, Y. Gao, Y.G. Gao, Z. Gao, B. Garillon, I. Garzia, Klaus GoetzenORCiDGND, L. Gong, Wenxuan GongORCiD, Wolfgang GradlORCiDGND, M. Greco, Minhao GuORCiD, Y.T. Gu, Aiqiang GuoORCiD, R.P. Guo, Yuping GuoORCiD, Z. Haddadi, S. Han, Xiqing Hao, F.A. Harris, K.L. He, X.Q. He, Fritz-Herbert HeinsiusORCiDGND, T. Held, Yuekun HengORCiD, Tobias HoltmannGND, Zhilong HouORCiD, Haiming HuORCiD, T. Hu, Y. Hu, G.S. Huang, J.S. Huang, Xingtao Huang, X.Z. Huang, Z.L. Huang, Tahir HussainORCiD, Walter Ikegami AnderssonORCiD, Quan JiORCiD, Qingping JiORCiD, X.B. Ji, X.L. Ji, Xiaoshan JiangORCiD, X.Y. Jiang, J.B. Jiao, Z. Jiao, D.P. Jin, Shan JinORCiD, Y. Jin, Tord JohanssonORCiD, A. Julin, Nasser Kalantar-NayestanakiORCiD, Xiaolin KangORCiD, Xiaolin KangORCiD, Myroslav O. Kavatsyuk, Bai-Cian KeORCiD, T. Khan, Alfons KhoukazORCiDGND, P. Kiese, Ralf KliemtORCiD, Leonard KochGND, Onur Bugra KolcuORCiD, Bertram KopfGND, M. Kornicer, M. Kuemmel, Meike KüßnerORCiDGND, M. Kuhlmann, Andrzej KupscORCiD, Wolfgang KühnORCiD, Jens Sören LangeORCiDGND, M. Lara, Paul LarinGND, Lia LavezziORCiD, H. Leithoff, C. Leng, C. Li, Cheng Li, D.M. Li, F. Li, F.Y. Li, G. Li, Haibo LiORCiD, Huijing LiORCiD, J.C. Li, Jin Li, K.J. Li, Kang Li, Ke Li, Lei LiORCiD, P.L. Li, Peirong LiORCiD, Q.Y. Li, Weidong LiORCiD, Weiguo LiORCiD, X.L. Li, X.N. Li, X.Q. Li, Z.B. Li, H. Liang, Y.F. Liang, Y.T. Liang, Guangrui LiaoORCiD, D.X. Lin, B. Liu, B.J. Liu, C.X. Liu, D. Liu, F.H. Liu, Fang Liu, Feng Liu, H.B. Liu, H.M. Liu, Huanhuan LiuORCiD, Huihui Liu, J.B. Liu, J.Y. Liu, K. Liu, K.Y. Liu, Ke LiuORCiD, L.D. Liu, P.L. Liu, Q. Liu, S.B. Liu, X. Liu, Y.B. Liu, Zhen-An LiuORCiDGND, Zhiqing LiuORCiD, Y.F. Long, Xinchou LouORCiD, H.J. Lu, Junguang LuORCiD, Y. Lu, Yunpeng LuORCiD, Chenglin LuoORCiD, M.X. Luo, X.L. Luo, Xiao-Rui LyuORCiD, Fengcai Ma, Hailong MaORCiD, Lianliang MaORCiD, M.M. Ma, Qiumei MaORCiD, T. Ma, X.N. Ma, Xiaoyan MaORCiD, Y.M. Ma, Frank E. MaasORCiDGND, Marco MaggioraORCiD, Qadeer Afzal Malik, Yajun Mao, Zepu Mao, Simonetta MarcelloORCiD, Z.X. Meng, Johannes Gerhardus MesschendorpORCiDGND, Giulio MezzadriORCiD, J. Min, T.J. Min, Ryan Edward Mitchell, Xiaohu MoORCiD, Y.J. Mo, C. Morales Morales, Nikolai Yu. MuchnoiORCiDGND, H. Muramatsu, A. Mustafa, Yury NefedovORCiD, Frank NerlingORCiD, Ivan Borisovich NikolaevORCiD, Z. Ning, Shabana Nisar, S.L. Niu, X.Y. Niu, Stephen L. OlsenORCiD, Qun OuyangORCiD, Simone PacettiORCiD, Y. Pan, Michael PapenbrockORCiDGND, P. Patteri, Marc PelizäusGND, Jacopo PellegrinoORCiD, H.P. Peng, Klaus PetersORCiDGND, J. Pettersson, J.L. Ping, R.G. Ping, A. Pitka, Ronald PolingORCiD, Vindhyawasini PrasadORCiD, H.R. Qi, Ming QiORCiD, S. Qian, Congfeng Qiao, N. Qin, X.S. Qin, Zhonghua QinORCiD, Jinfa QiuORCiD, K.H. Rashid, Christoph Florian RedmerORCiDGND, Matthias RichterORCiDGND, M. Ripka, Manuel Dionisio Da Rocha RoloORCiD, Gang RongORCiD, Christoph RosnerORCiDGND, Andrei V. SarantsevGND, M. Savrié, Claudius SchnierGND, Karin SchönningORCiD, W. Shan, M. Shao, Chengping ShenORCiD, P.X. Shen, X.Y. Shen, H.Y. Sheng, J.J. Song, Weimin SongORCiD, X.Y. Song, Stefano SosioORCiD, C. Sowa, Stefano SpataroORCiD, Gongxing SunORCiD, J.F. Sun, Liang SunORCiD, S.S. Sun, X.H. Sun, Y.J. Sun, Y.K. Sun, Y.Z. Sun, Z.J. Sun, Z.T. Sun, C.J. Tang, G.Y. Tang, X. Tang, I. Tapan, M. Tiemens, B. Tsednee, Ismail UmanORCiDGND, G.S. Varner, B. Wang, B.L. Wang, D. Wang, D.Y. Wang, Dan Wang, K. Wang, Liangliang WangORCiD, L.S. Wang, M. Wang, Meng WangORCiD, P. Wang, P.L. Wang, Weiping WangORCiD, Xiongfei WangORCiD, Y. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Z. Wang, Z.G. Wang, Z.Y. Wang, Zongyuan WangORCiD, T. Weber, D.H. Wei, P. Weidenkaff, Shuopin WenORCiD, Ulrich WiednerORCiDGND, Magnus WolkeGND, Linghui WuORCiD, Lianjin WuORCiD, Z. Wu, L. Xia, Y. Xia, D. Xiao, H. Xiao, Y.J. Xiao, Zhenjun XiaoORCiD, Y.G. Xie, Y.H. Xie, X.A. Xiong, Q.L. Xiu, Guofa XuORCiD, J.J. Xu, L. Xu, Q.J. Xu, Q.N. Xu, Xinping XuORCiD, Liang YanORCiD, W.B. Yan, W.C. Yan, Y.H. Yan, H.J. Yang, Hongxun YangORCiD, L. Yang, Y.H. Yang, Yongxu Yang, M. Ye, Minghan Ye, J.H. Yin, Z.Y. You, Boxiang YuORCiD, C.X. Yu, J.S. Yu, Chang-Zheng YuanORCiD, Y. Yuan, A. Yuncu, A.A. Zafar, Y. Zeng, Z. Zeng, B.X. Zhang, B.Y. Zhang, C.C. Zhang, D.H. Zhang, H.H. Zhang, Hongyu ZhangORCiD, J. Zhang, J.L. Zhang, J.Q. Zhang, J.W. Zhang, Jianyong ZhangORCiD, J.Z. Zhang, K. Zhang, L. Zhang, S.Q. Zhang, X.Y. Zhang, Y.H. Zhang, Yateng ZhangORCiD, Yang Zhang, Yao Zhang, Yu Zhang, Z.H. Zhang, Z.P. Zhang, Z.Y. Zhang, G. Zhao, J.W. Zhao, J.Y. Zhao, J.Z. Zhao, Lei ZhaoORCiD, Ling Zhao, Ming-Gang ZhaoORCiD, Q. Zhao, S.J. Zhao, T.C. Zhao, Yubin ZhaoORCiD, Zhengguo ZhaoORCiD, Alexey ZhemchugovORCiD, Bo ZhengORCiD, J.P. Zheng, Y.H. Zheng, B. Zhong, L. Zhou, X. Zhou, X.K. Zhou, X.R. Zhou, X.Y. Zhou, J. Zhu, J. Zhu, K. Zhu, Kejun ZhuORCiD, S. Zhu, S.H. Zhu, X.L. Zhu, Y.C. Zhu, Y.S. Zhu, Zian ZhuORCiD, J. Zhuang, B.S. Zou, Jiaheng ZouORCiD
URN:urn:nbn:de:hebis:30:3-796689
DOI:https://doi.org/10.1016/j.physletb.2018.04.017
ISSN:0370-2693
ArXiv Id:http://arxiv.org/abs/1803.05769
Parent Title (English):Physics Letters B
Publisher:Elsevier
Place of publication:Amsterdam
Document Type:Article
Language:English
Date of Publication (online):2018/04/18
Date of first Publication:2018/04/10
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Creating Corporation:BESIII Collaboration
Release Date:2024/01/25
Tag:BESIII; Branching fractions; D⁰ meson; Hadronic decays
Volume:781
Page Number:8
First Page:368
Last Page:375
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 4.0