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1.	Ablikim, M., et al. (author) Measurement of the form factors in the decay D+ → ωe+νe and search for the decay D+ → ϕe+νe 2015 In: Physical Review D. - : American Physical Society. - 1550-7998 .- 1550-2368. ; 92:7 Journal article (peer-reviewed)abstract Using 2.92 fb−1 of electron-positron annihilation data collected at a center-of-mass energy of √s=3.773 GeV with the BESIII detector, we present an improved measurement of the branching fraction B(D+ → ωe+νe)=(1.63±0.11±0.08)×10−3. The parameters defining the corresponding hadronic form factor ratios at zero momentum transfer are determined for the first time; we measure them to be rV=1.24±0.09±0.06 and r2=1.06±0.15±0.05. The first and second uncertainties are statistical and systematic, respectively. We also search for the decay D+ → ϕe+νe. An improved upper limit B(D+ → ϕe+νe)<1.3×10−5 is set at 90% confidence level.

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Author/Editor: Liu, X (1); Cakir, O. (1); Cetin, S. A. (1); Chen, X. (1); Fang, Y. (1); Huang, Y. (1); show more...; Jin, S. (1); Liu, J. B. (1); Liu, K. (1); Ouyang, Q. (1); Peters, K. (1); Wang, K. (1); Xu, L. (1); Yang, Y. (1); Zhang, L. (1); Zhemchugov, A. (1); Zhou, L. (1); Gao, Y. (1); Liu, J. (1); Ma, L. L. (1); Guo, Y (1); Huang, G. S. (1); Qi, M. (1); Kupsc, Andrzej (1); Zhang, Y. (1); Chen, G. (1); Liu, Q. (1); Wu, Z. (1); Zeng, Y. (1); Hu, Y. (1); Cai, X. (1); Wang, D. (1); Ferroli, R. Baldini (1); Wang, M. (1); Li, G. (1); Zhu, Y. C. (1); Wang, Z. (1); Chen, H. -Y (1); Varner, G. S. (1); Yang, L. (1); Zhu, S. (1); Boyko, I. (1); Dedovich, D. (1); Lu, Y (1); Wang, P. (1); Han, S. (1); Zhao, Q (1); ..., Wiedner U. (1); Santoro, V. (1); Wolke, Magnus (1); show less...

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