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. 2008 Jun 27;100(25):251802.
doi: 10.1103/PhysRevLett.100.251802. Epub 2008 Jun 27.

Study of the decays D0-->pi{-}e{+}nu{e}, D{0}-->K{-}e{+}nu{e}, D{+}-->pi{0}e{+}nu{e}, and D{+}-->K0e{+}nu{e}

D Cronin-Hennessy  1 , K Y Gao, D T Gong, J Hietala, Y Kubota, T Klein, B W Lang, R Poling, A W Scott, A Smith, P Zweber, S Dobbs, Z Metreveli, K K Seth, A Tomaradze, J Ernst, H Severini, S A Dytman, W Love, V Savinov, O Aquines, Z Li, A Lopez, S Mehrabyan, H Mendez, J Ramirez, G S Huang, D H Miller, V Pavlunin, B Sanghi, I P J Shipsey, B Xin, G S Adams, M Anderson, J P Cummings, I Danko, J Napolitano, Q He, J Insler, H Muramatsu, C S Park, E H Thorndike, F Yang, T E Coan, Y S Gao, F Liu, M Artuso, S Blusk, J Butt, J Li, N Menaa, R Mountain, S Nisar, K Randrianarivony, R Redjimi, R Sia, T Skwarnicki, S Stone, J C Wang, K Zhang, S E Csorna, G Bonvicini, D Cinabro, M Dubrovin, A Lincoln, D M Asner, K W Edwards, R A Briere, I Brock, J Chen, T Ferguson, G Tatishvili, H Vogel, M E Watkins, J L Rosner, N E Adam, J P Alexander, K Berkelman, D G Cassel, J E Duboscq, K M Ecklund, R Ehrlich, L Fields, L Gibbons, R Gray, S W Gray, D L Hartill, B K Heltsley, D Hertz, C D Jones, J Kandaswamy, D L Kreinick, V E Kuznetsov, H Mahlke-Krüger, P U E Onyisi, J R Patterson, D Peterson, J Pivarski, D Riley, A Ryd, A J Sadoff, H Schwarthoff, X Shi, S Stroiney, W M Sun, T Wilksen, M Weinberger, S B Athar, R Patel, V Potlia, J Yelton, P Rubin, C Cawlfield, B I Eisenstein, I Karliner, D Kim, N Lowrey, P Naik, C Sedlack, M Selen, E J White, J Wiss, M R Shepherd, D Besson, T K Pedlar; CLEO Collaboration
Affiliations

Study of the decays D0-->pi{-}e{+}nu{e}, D{0}-->K{-}e{+}nu{e}, D{+}-->pi{0}e{+}nu{e}, and D{+}-->K0e{+}nu{e}

D Cronin-Hennessy et al. Phys Rev Lett. .

Abstract

By using 1.8x10{6} DDpairs, we have measured B(D{0}-->pi{-}e{+}nu{e})=0.299(11)(9)%, B(D{+}-->pi{0}e{+}nu{e})=0.373(22)(13)%, B(D{0}-->K{-}e{+}nu{e})=3.56(3)(9)%, and B(D{+}-->K{0}e{+}nu{e})=8.53(13)(23)% and have studied the q;{2} dependence of the form factors. By combining our results with recent lattice calculations, we obtain |V{cd}|=0.217(9)(4)(23) and |V{cs}|=1.015(10)(11)(106).

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