Measurements of Branching Fractions for Inclusive K¯0/K0 and K∗

M. Ablikim,J. Z. Bai,Yong Ban,Jian-Guo Bian, Xinxia Cai,H.F. Chen,H.S. Chen,H.X. Chen,J.C. Chen,Jin Chen,Y.B. Chen,S. Chi,Y. P. Chu,X. Z. Cui,Y. S. Dai,L. Y. Diao,Z. Y. Deng, Qingshun Dong,S. X. Du, Jian Fang,S. S. Fang,C.D. Fu,C. S. Gao,Y. Gao,S. Gu, Yuantao Gu,Y.N. Guo,Y. Q. Guo,K. L. He, Miao He,Y. K. Heng,H. Hu,T. Hu,G. S. Huang,X. Huang,X. B. Ji,X. S. Jiang,X. Y. Jiang,J. B. Jiao,D. P. Jin,S. Jin,Y. Jin, Yihui Lai,G. Li,H.B. Li,H.H. Li,J. Li,R.Y. Li,S.M. Li,W.D. Li,W.G. Li,X.L. Li,X.N. Li,X.Q. Li, Y.L. Li,Y. F. Liang,Hongbo Liao,B.J. Liu,C.X. Liu, Feng Liu,Fang Liu,H.H. Liu,H.M. Liu,J. Liu,J.B. Liu,J.P. Liu,Q. Liu,R.G. Liu,Z.A. Liu, Yunjiang Lou,F. X. Lu, Gangcheng Lu,J. Lu, Chenglong Luo,F.C. Ma, Hui Ma, Lishuang Ma, Qiang Ma,X.B. Ma,Z. P. Mao,X. H. Mo, Jundan Nie,H. P. Peng,R. G. Ping,N. D. Qi, Hong‐Bo Qin,J.F. Qiu,Z. Ren,G. Rong,L. Y. Shan,L. Shang,C. P. Shen,D. L. Shen,X. Y. Shen,H. Y. Sheng, Hao Sun,J. F. Sun,S. S. Sun, Yang Sun, Zhi‐Wei Sun, Zhengguo Tan,X. Tang,G. Tong,D.Y. Wang,L. Wang,L.L. Wang,L.S. Wang,M. Wang,P. Wang,P.L. Wang,W.F. Wang,Y.F. Wang,Z. Wang,Z.Y. Wang,Zhe Wang,Zheng Wang,C. Wei,D. H. Wei,Ning Wu,X. M. Xia,X.X. Xie,G. F. Xu,X. P. Xu, D. Xu, Mengshi Yan,H. X. Yang, Yueling Yang,M.H. Ye,Y.X. Ye, Zhao Yi,G. Yu,C.Z. Yuan, Yuan Jingming, Ying Yuan,S. L. Zang,Y. Zeng,B.X. Zhang,B.Y. Zhang,C.C. Zhang,D.H. Zhang,H.Q. Zhang,H.Y. Zhang,J.W. Zhang,J.Y. Zhang,S.H. Zhang,X.M. Zhang,X.Y. Zhang,Yiyun Zhang,Z.P. Zhang,D.X. Zhao,J. W. Zhao,M.G. Zhao,P.P. Zhao,W. Zhao,Z. G. Zhao,H. Q. Zheng,J. P. Zheng,Z. P. Zheng,L. Zhou, Na Zhou, K. Zhu,Q. M. Zhu,Y.C. Zhu,Y. S. Zhu,Yingchun Zhu, Zi Zhu,B.A. Zhuang,X. Zhuang,B.S. Zou

Physics letters B（2006）

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摘要

Using the data sample of about 33 pb−1 collected at and around 3.773 GeV with the BES-II detector at the BEPC collider, we have studied inclusive K¯0/K0 and K∗(892)∓ decays of D0 and D+ mesons. The branching fractions for the inclusive K¯0/K0 and K∗(892)− decays are measured to be BF(D0→K¯0/K0X)=(47.6±4.8±3.0)%, BF(D+→K¯0/K0X)=(60.5±5.5±3.3)%, BF(D0→K∗−X)=(15.3±8.3±1.9)% and BF(D+→K∗−X)=(5.7±5.2±0.7)%. The upper limits of the branching fractions for the inclusive K∗(892)+ decays are set to be BF(D0→K∗+X)<3.6% and BF(D+→K∗+X)<20.3% at 90% confidence level.

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