Study of $D^{+} \to K^{-} \pi^+ e^+ \nu_e$
M Ablikim,M N Achasov,X C Ai,O Albayrak,M Albrecht,D Ambrose, A Amoroso, F F An, Q An, J Z Bai,R Baldini Ferroli, Y Ban, D W Bennett,J V Bennett, M Bertani,D Bettoni,J M Bian,F Bianchi,E Boger, I Boyko, R A Briere, Hong Cai,Xu Cai,O Cakir,A Calcaterra,G F Cao, S A Cetin,J F Chang,Gueorgui Chelkov,G Chen,H Y Chen, J C Chen,M L Chen, S Chen Chen, S J Chen,X R Chen,Y B Chen,H P Cheng,X K Chu,G Cibinetto,H L Dai,J P Dai, A Dbeyssi, D V Dedovich, Z Y Deng,A G Denig,I Denysenko,M Destefanis,F De Mori,Yong Ding,Chuang Dong,Jing Dong,L Y Dong,M Y Dong,Sean X Du, P F Duan,J Z Fan,Jing Fang,S S Fang, Xiangwen Fang,Y Fang, L Fava,F Feldbauer,G Felici,C Q Feng,E Fioravanti,M Fritsch,C D Fu,Q Gao,X Y Gao,Yongqiang Gao,Zhonghua Gao, I Garzia,K Goetzen,W X Gong,W Gradl,M Greco,M H Gu,Y T Gu,Y H Guan,A Q Guo,L B Guo,R P Guo,Y P Guo,Z Haddadi,A Hafner,Song Han,X Q Hao,F A Harris,K L He, X Q He,T Held,Y K Heng,Z L Hou,C Hu,H M Hu,J F Hu, T Hu, Y Hu,G S Huang,J S Huang,X T Huang,Yan Huang, T Hussain,Q P Ji,X L Ji, L W Jiang, X S Jiang,J B Jiao,Zaibin Jiao,D P Jin,Shan Jin,T Johansson, A Julin,N Kalantarnayestanaki,X S Kang,M Kavatsyuk, B C Ke, P Kiese, R Kliemt, B Kloss, O B Kolcu, B Kopf,M Kornicer,W Kuehn,A Kupsc, J S Lange,M Lara,P Larin,C Leng,Cheng Li,D M Li,Frank Y Li,Guoqing Li,H B Li,J C Li, Ke Li, Lei Li,P R Li, T Li,Wei Guo Li,X M Li,Z B Li,Hong Liang, J J Liang,Y T Liang,G R Liao,D X Lin, B J Liu,C X Liu, Danni Liu,F H Liu,H H Liu, J P Liu, K Y Liu, L D Liu, P L Liu,Qian Liu, S B Liu,Xuhui Liu, Y B Liu,Z A Liu,H Loehner,X C Lou,H J Lu,J G Lu,Y P Lu, C L Luo, M X Luo, Tuoping Luo, X L Luo, X R Lyu,F C Ma,H L Ma,L L Ma, M M Ma,Q M Ma,Teng Ma, X N Ma,F E Maas,M Maggiora,Y J Mao,Z P Mao,S Marcello,J G Messchendorp,J Min,R E Mitchell,X H Mo,Y J Mo,C Morales Morales,K Moriya,N Yu Muchnoi,H Muramatsu,Y Nefedov, F Nerling,I B Nikolaev, Z Ning,S Nisar, S L Niu,X Y Niu,S L Olsen,Qun Ouyang,S Pacetti, Y Pan,P Patteri,M Pelizaeus,H P Peng,K Peters,Joachim Pettersson, J L Ping,R G Ping, R Poling,V Prasad, M Qi,Sijin Qian,C F Qiao,L Q Qin,N Qin,X S Qin,Z H Qin,J F Qiu,K H Rashid, C F Redmer, M Ripka,G Rong,Ch Rosner,X D Ruan,V Santoro,A V Sarantsev,M Savrie,K Schoenning,S Schumann, W Shan,M Shao, C P Shen, P X Shen, X Y Shen,H Y Sheng, Min Shi,W M Song,X Y Song, S Sosio,S Spataro,G X Sun,J F Sun,S S Sun, Xiao Hong Sun,Y Z Sun,Z J Sun,C J Tang,Xingong Tang,I Tapan, E H Thorndike, M Tiemens,M Ullrich, I Uman, G Varner, Bei Wang,D Y Wang,Kesheng Wang,L S Wang,M Wang,P L Wang,S G Wang,W P Wang,X F Wang,Y D Wang,Z H Wang,T Weber,D H Wei, J B Wei,P Weidenkaff,S P Wen,U Wiedner, M Wolke,L H Wu, Zhiguo Wu,L G Xia, Yankai Xia,D Xiao,Hang Xiao,Zhi Jian Xiao,Y G Xie,Q L Xiu,G F Xu,J J Xu,Liyan Xu, Q J Xu,X P Xu,Linlin Yan,W B Yan,Y H Yan,H X Yang,Li Yang,Y X Yang,M H Ye, J H Yin,B X Yu,C X Yu, J S Yu, C Z Yuan,W L Yuan,Yunfei Yuan, A Yuncu,A A Zafar, A Zallo,Y Zeng, Zhigang Zeng, B Y Zhang,C C Zhang, D H Zhang, H H Zhang, J Z Zhang,Kai Zhang,Ling Zhang, X Y Zhang, Y H Zhang, Z Y Zhang,Gang Zhao,J Z Zhao,Lei Zhao,M G Zhao,Q W Zhao,S J Zhao,T C Zhao,Y B Zhao,Z G Zhao, A Zhemchugov,Bojian Zheng,J P Zheng,W J Zheng,Y H Zheng,B Zhong,Lei Zhou,X Y Zhou, K J Zhu,S H Zhu, X L Zhu,Y C Zhu,Z A Zhu,J Zhuang, L Zotti, B S Zou,J H Zou
mag（2015）
引用 26|浏览266
摘要
We present an analysis of the decay $D^{+} \to K^{-} \pi^+ e^+ \nu_e$ based on data collected by the BESIII experiment at the $\psi(3770)$ resonance. Using a nearly background-free sample of 18262 events, we measure the branching fraction $\mathcal{B}(D^{+} \to K^{-} \pi^+ e^+ \nu_e) = (3.71 \pm 0.03 \pm 0.08)\%$. For $0.8更多
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