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  • Study of dynamics of D0 → K...
    Achasov, M.  N.; Albayrak, O.; Albrecht, M.; Ferroli, R. Baldini; Bian, J.  M.; Bianchi, F.; Boyko, I.; Calcaterra, A.; Chen, X.  R.; Dai, J.  P.; Deng, Z.  Y.; Denig, A.; Dong, L.  Y.; Dong, M.  Y.; Eren, E.  E.; Fang, X.; Fang, Y.; Felici, G.; Fritsch, M.; Fu, C.  D.; Goetzen, K.; Gong, W.  X.; Gradl, W.; Greco, M.; Gu, Y.  T.; Han, S.; He, X.  Q.; Hu, H.  M.; Hu, Y.; Hussain, T.; Ji, X.  B.; Ji, X.  L.; Jiao, Z.; Jin, S.; Kang, X.  L.; Kang, X.  S.; Kavatsyuk, M.; Kliemt, R.; Kupsc, A.; Lange, J.  S.; Li, C.; Li, Cheng; Li, D.  M.; Li, F.  Y.; Li, P.  R.; Li, X.  L.; Li, X.  M.; Liao, G.  R.; Liu, F.  H.; Liu, J.  P.; Liu, Y.  B.; Liu, Zhiqing; Lou, X.  C.; Lu, Y.  P.; Luo, T.; Luo, X.  L.; Ma, L.  L.; Ma, T.; Ma, X.  Y.; Maas, F.  E.; Mao, Z.  P.; Mitchell, R.  E.; Muchnoi, N.  Yu; Nisar, S.; Patteri, P.; Pelizaeus, M.; Prasad, V.; Qin, L.  Q.; Qin, X.  S.; Qin, Z.  H.; Ripka, M.; Santoro, V.; Shao, M.; Shen, P.  X.; Sun, S.  S.; Sun, Z.  T.; Tang, X.; Tapan, I.; Ullrich, M.; Wang, M.; Wang, P.; Wang, W.; Wang, Y.  D.; Wang, Y.  Q.; Wang, Z.  G.; Wang, Z.  H.; Xia, Y.; Xu, G.  F.; Xu, Q.  J.; Yan, W.  B.; Yuan, W.  L.; Zallo, A.; Zhang, C.; Zhang, H.  Y.; Zhang, J.  J.; Zhang, J.  Y.; Zhang, Y.  T.; Zhang, Z.  P.; Zhao, Lei; Zotti, L.

    Physical review. D, Particles, fields, gravitation, and cosmology, 10/2015, Volume: 92, Issue: 7
    Journal Article

    Here, in an analysis of a 2.92 fb–1 data sample taken at 3.773 GeV with the BESIII detector operated at the BEPCII collider, we measure the absolute decay branching fractions to be B(D0 → K–e+νe) = (3.505 ± 0.014 ± 0.033)% and B(D0 → π–e+νe) = (0.295 ± 0.004 ± 0.003)%. From a study of the differential decay rates we obtain the products of hadronic form factor and the magnitude of the CKM matrix element $f$ $^{K}_{+}$(0)|Vcs| = 0.7172 ± 0.0025 ± 0.0035 and $f$ $^{π}_{+}$(0)|Vcd| = 0.1435 ± 0.0018 ± 0.0009.