Measurement of the Doubly Cabibbo-suppressed Decay D+→K+π+π−π0 with Semileptonic Tags
M. Ablikim,M. N. Achasov,P. Adlarson,S. Ahmed,M. Albrecht,R. Aliberti,A. Amoroso,M. R. An,Q. An,X. H. Bai,Y. Bai,O. Bakina,R. Baldini Ferroli,I Balossino,Y. Ban,K. Begzsuren,N. Berger,M. Bertani,D. Bettoni,F. Bianchi,J. Bloms,A. Bortone,I Boyko,R. A. Briere,H. Cai,X. Cai,A. Calcaterra,G. F. Cao,N. Cao,S. A. Cetin,J. F. Chang,W. L. Chang,G. Chelkov,D. Y. Chen,G. Chen,H. S. Chen,M. L. Chen,S. J. Chen,X. R. Chen,Y. B. Chen,Z. J. Chen,W. S. Cheng,G. Cibinetto,F. Cossio,X. F. Cui,H. L. Dai,X. C. Dai,A. Dbeyssi,R. E. de Boer,D. Dedovich,Z. Y. Deng,A. Denig,I Denysenko,M. Destefanis,F. De Mori,Y. Ding,C. Dong,J. Dong,L. Y. Dong,M. Y. Dong,X. Dong,S. X. Du,Y. L. Fan,J. Fang,S. S. Fang,Y. Fang,R. Farinelli,L. Fava,F. Feldbauer,G. Felici,C. Q. Feng,J. H. Feng,M. Fritsch,C. D. Fu,Y. Gao,Y. G. Gao,I Garzia,P. T. Ge,C. Geng,E. M. Gersabeck,A. Gilman,K. Goetzen,L. Gong,W. X. Gong,W. Gradl,M. Greco,L. M. Gu,M. H. Gu,S. Gu,Y. T. Gu,C. Y. Guan,A. Q. Guo,L. B. Guo,R. P. Guo,Y. P. Guo,A. Guskov,T. T. Han,W. Y. Han,X. Q. Hao,F. A. Harris,N. Husken,K. L. He,F. H. Heinsius,C. H. Heinz,T. Held,Y. K. Heng,C. Herold,M. Himmelreich,T. Holtmann,G. Y. Hou,Y. R. Hou,Z. L. Hou,H. M. Hu,J. F. Hu,T. Hu,Y. Hu,G. S. Huang,L. Q. Huang,X. T. Huang,Y. P. Huang,Z. Huang,T. Hussain,W. Ikegami Andersson,W. Imoehl,M. Irshad,S. Jaeger,S. Janchiv,Q. Ji,Q. P. Ji,X. B. Ji,X. L. Ji,Y. Y. Ji,H. B. Jiang,X. S. Jiang,J. B. Jiao,Z. Jiao,S. Jin,Y. Jin,M. Q. Jing,T. Johansson,N. Kalantar-Nayestanaki,X. S. Kang,R. Kappert,M. Kavatsyuk,B. C. Ke,I. K. Keshk,A. Khoukaz,P. Kiese,R. Kiuchi,R. Kliemt,L. Koch,O. B. Kolcu,B. Kopf,M. Kuemmel,M. Kuessner,A. Kupsc,M. G. Kurth,W. Kuhn,J. J. Lane,J. S. Lange,P. Larin,A. Lavania,L. Lavezzi,Z. H. Lei,H. Leithoff,M. Lellmann,T. Lenz,C. Li,C. H. Li,Cheng Li,D. M. Li,F. Li,G. Li,H. Li,H. B. 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,W. D. Li,W. G. Li,X. H. Li,X. L. Li,Xiaoyu Li,Z. Y. Li,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,F. H. 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,L. Liu,M. H. Liu,P. L. Liu,Q. Liu,S. B. Liu,Shuai Liu,T. Liu,W. M. Liu,X. Liu,Y. Liu,Y. B. Liu,Z. A. Liu,Z. Q. Liu,X. C. Lou,F. X. Lu,H. J. Lu,J. D. Lu,J. G. Lu,X. L. Lu,Y. Lu,Y. P. Lu,C. L. Luo,M. X. Luo,P. W. Luo,T. Luo,X. L. Luo,X. R. Lyu,F. C. Ma,H. L. Ma,L. L. Ma,M. M. Ma,Q. M. Ma,R. Q. Ma,R. T. Ma,X. X. Ma,X. Y. Ma,F. E. Maas,M. Maggiora,S. Maldaner,S. Malde,Q. A. Malik,A. Mangoni,Y. J. Mao,Z. P. Mao,S. Marcello,Z. X. Meng,J. G. Messchendorp,G. Mezzadri,T. J. Min,R. E. Mitchell,X. H. Mo,Y. J. Mo,N. Yu Muchnoi,H. Muramatsu,S. Nakhoul,Y. Nefedov,F. Nerling,I. B. Nikolaev,Z. Ning,S. Nisar,S. L. Olsen,Q. Ouyang,S. Pacetti,X. Pan,Y. Pan,A. Pathak,P. Patteri,M. Pelizaeus,H. P. Peng,K. Peters,J. Pettersson,J. L. Ping,R. G. Ping,R. Poling,V Prasad,H. Qi,H. R. Qi,K. H. Qi,M. Qi,T. Y. Qi,S. Qian,W. B. Qian,Z. Qian,C. F. Qiao,L. Q. Qin,X. P. Qin,X. S. Qin,Z. H. Qin,J. F. Qiu,S. Q. Qu,K. H. Rashid,K. Ravindran,C. F. Redmer,A. Rivetti,V Rodin,M. Rolo,G. Rong,Ch Rosner,M. Rump,H. S. Sang,A. Sarantsev,Y. Schelhaas,C. Schnier,K. Schoenning,M. Scodeggio,D. C. Shan,W. Shan,X. Y. 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,S. Sosio,S. Spataro,K. X. Su,P. P. Su,F. F. Sui,G. X. Sun,H. K. Sun,J. F. Sun,L. Sun,S. S. Sun,T. 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,V Thoren,W. H. Tian,Y. T. Tian,I 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. D. Wang,Y. F. Wang,Y. Q. Wang,Y. Y. Wang,Z. Wang,Z. Y. Wang,Ziyi Wang,Zongyuan Wang,D. H. Wei,F. Weidner,S. P. Wen,D. J. White,U. Wiedner,G. Wilkinson,M. Wolke,L. Wollenberg,J. F. Wu,L. H. Wu,L. J. Wu,X. Wu,Z. Wu,L. Xia,H. Xiao,S. Y. Xiao,Z. J. Xiao,X. H. Xie,Y. G. Xie,Y. H. Xie,T. Y. Xing,G. F. Xu,Q. J. Xu,W. Xu,X. P. Xu,Y. C. Xu,F. Yan,L. Yan,W. B. Yan,W. C. Yan,Xu Yan,H. J. Yang,H. X. Yang,L. Yang,S. L. Yang,Y. X. Yang,Yifan Yang,Zhi Yang,M. Ye,M. H. Ye,J. H. Yin,Z. Y. You,B. X. Yu,C. X. Yu,G. Yu,J. S. Yu,T. Yu,C. Z. Yuan,L. Yuan,X. Q. Yuan,Y. Yuan,Z. Y. Yuan,C. X. Yue,A. Yuncu,A. A. Zafar,Zeng,Y. Zeng,A. Q. Zhang,B. X. Zhang,Guangyi Zhang,H. Zhang,H. H. Zhang,H. Y. Zhang,J. J. Zhang,J. L. Zhang,J. Q. Zhang,J. W. Zhang,J. Y. 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. H. Zhang,Y. T. Zhang,Yan Zhang,Yao Zhang,Yi Zhang,Z. H. Zhang,Z. Y. Zhang,G. Zhao,J. Zhao,J. Y. Zhao,J. Z. Zhao,Lei Zhao,Ling Zhao,M. G. Zhao,Q. Zhao,S. J. Zhao,Y. B. Zhao,Y. X. Zhao,Z. G. Zhao,A. Zhemchugov,B. Zheng,J. P. Zheng,Y. 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,K. J. Zhu,S. H. Zhu,T. J. Zhu,W. J. Zhu,Y. C. Zhu,Z. A. Zhu,B. S. Zou,J. H. Zou
Physical review D/Physical review D（2021）
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摘要
We propose a new semileptonic tag method to study the doubly Cabibbo-suppressed D decay in psi(3770) -> D (D) over bar reaction. Utilizing the dataset corresponding to an integrated luminosity of 2.93 fb(-1) at a center-of-mass energy of 3.773 GeV collected by the BESIII detector, we determine the branching fraction for D+ -> K+pi(+)pi(-)pi(0) to be (1.03 +/- 0.12(stat) +/- 0.06(syst)) x 10(-3), in which the contributions from narrow intermediate resonances, D+ -> K+eta, D+ -> K+omega, and D+ -> K+phi have been excluded. Combining the world average of the branching fraction of D+ -> K+pi(+)pi(-)pi(0), we determine B(D+ -> K+pi(+)pi(-)pi(0))/B(D+ -> K+pi(+)pi(-)pi(0)) = (1.65 +/- 0.21)%, corresponding to (5.73 +/- 0.73) tan(4)theta(c), where theta(c) is the Cabibbo mixing angle. These results are consistent with our previous measurement with hadronic tags but are significantly larger than other doubly Cabibbo-suppressed decays in the charm sector.
