Measurements of the absolute branching fractions for D → Kπe M. Ablikim , Jingwu Bai , Y. Ban , J. G. Bian , Xiao Cai , Hong Fang Chen , H. X. Chen , J. C. Chen , Yuanbo Chen , S. P. Chi , Y. P. Chu , Xiang Cui , Yu Sophia Dai , L. Y. Diao , Zong-yuan Deng , Q. F. Dong , S. X. Du , Jian Yun Fang , S. S. Fang , Christopher D. Fu , Cuishan Gao , Yanyan Gao , S. D. Gu , Yifan Gu , Ya Guo , Y. Q. Guo , Kan Lian He , Miao He , Yuekun Heng , Huai Hu , T. Hu , Gavin S Huang , Xi Huang , Xiangdong Ji , Xingyu Jiang , X. Y. Jiang , Jianbin Jiao , D. P. Jin , S. Jin , Yi Kyoo Jin , Y. F. Lai , Guangli Li , Haibo Li , Hayley H. Li , Jiacai Li , Ruo Yao Li , S. M. Li , Wei Li , Xiao-Ling Li , X. N. Li , Xiaoling Li , Yuan Liang Li , Yongfei Liang , H. B. Liao , B Liu , C. X. Liu , Fang Liu , Huanhuan Liu , Hongbang Liu , Jian Ping Liu , Jian Bo Liu , J. P. Liu , Qing Liu , R. G. Liu , Zhen'an Liu , Y. C. Lou , Fenghong Lu , Gongru Lu , Junguang Lu , Chenggui Luo , F Roxbury Crossing Ma , Hailong Ma , Lian Liang Ma , Q. M. Ma , Xu Ma , Z. P. Mao , X. H. Mo , Jinsuo R. Nie , Haiping Peng , Ronggang G. Ping , N. D. Qi , Hourong Qin , Jin Fa Qiu , Zhan Yong Ren , Guang Rong , L. Y. Shan , Li Shang , Chengping Shen , David L. Shen , Xiaoyan Shen , H. Y. Sheng , Huang Sheng Sun , Jian Fang Sun , Shengsen Sun , Yong-Jie Sun , Zhi Jia Sun , Z. Q. Tan , Xiaomin Tang , Guoliang Tong , Duan-Chao Wang , L. S. Wang , Long Lin Wang , Lingshu Wang , Meng Wang , Putianqi Wang , W. F. Wang , Y. F. Wang , Zhe Wang , Zheng Yuan Wang , Zhe Yuan Wang , Zheng Yuan Wang , Chuanliang Wei , Daihui H. Wei , Ning Wu , X. M. Xia , X. X. Xie , Guofa Xu , Xinping Xu , Ye Xu , M. L. Yan , H. X. Yang , Y. X. Yang , M. H. Ye , Y. X. Ye , Z. Y. Yi , G. W. Yu , C. Z. Yuan , J. M. Yuan , Ye Zhen Yuan , Sh. L. Zang , Yu Zeng , B. X. Zhang , Bao Zhang , C. C. Zhang , De-Hong Zhang , Hq Q. Zhang , H. Y. Zhang , Jingzhi Zhang , J. Y. Zhang , S（张松） Zhang , Xiao min Zhang , X. Y. Zhang , Yiyun Zhang , Zhenyu Zhang , Dixin Zhao , Jiawei Zhao , M. G. Zhao , Pan Pan Zhao , W. R. Zhao , Zhihe Zhao , Hui Zheng , Jessica Zheng , Zhiyun Zheng , Luchun Zhou , N. F. Zhou , Kaicheng Zhu , Qingming Zhu , Ying Chun Zhu , Yingchun Zhu , Z. A. Zhu , B. A. Zhuang , X. A. Zhuang , Bingsong Zou semanticscholar（2006）
摘要
Using the data of about 33 pb collected at and around 3.773 GeV with the BES-II detector at the BEPC collider, we have studied the exclusive semileptonic decays D → Kπeνe, D 0 → K 0 πeνe, D → K ∗0 eνe and D 0 → Keνe. The absolute branching fractions for the decays are measured to be BF (D → Kπeνe) = (3.50 ± 0.75 ± 0.27)%, BF (D 0 → K 0 πeνe) = (2.61 ± 1.04 ± 0.28)%, 2 Please give a shorter version with: \authorrunning and \titlerunning prior to \maketitle
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