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. 2002 Mar 11;88(10):101803.
doi: 10.1103/PhysRevLett.88.101803. Epub 2002 Feb 26.

Observation of exclusive B --> D(*)K(*-) decays

R Mahapatra  1 , H N Nelson, R A Briere, G P Chen, T Ferguson, G Tatishvili, H Vogel, N E Adam, J P Alexander, C Bebek, K Berkelman, F Blanc, V Boisvert, D G Cassel, P S Drell, J E Duboscq, K M Ecklund, R Ehrlich, L Gibbons, B Gittelman, S W Gray, D L Hartill, B K Heltsley, L Hsu, C D Jones, J Kandaswamy, D L Kreinick, A Magerkurth, H Mahlke-Krüger, T O Meyer, N B Mistry, E Nordberg, M Palmer, J R Patterson, D Peterson, J Pivarski, D Riley, A J Sadoff, H Schwarthoff, M R Shepherd, J G Thayer, D Urner, B Valant-Spaight, G Viehhauser, A Warburton, M Weinberger, S B Athar, P Avery, H Stoeck, J Yelton, G Brandenburg, A Ershov, D Y-J Kim, R Wilson, K Benslama, B I Eisenstein, J Ernst, G D Gollin, R M Hans, I Karliner, N Lowrey, M A Marsh, C Plager, C Sedlack, M Selen, J J Thaler, J Williams, K W Edwards, R Ammar, D Besson, X Zhao, S Anderson, V V Frolov, Y Kubota, S J Lee, S Z Li, R Poling, A Smith, C J Stepaniak, J Urheim, S Ahmed, M S Alam, L Jian, M Saleem, F Wappler, E Eckhart, K K Gan, C Gwon, T Hart, K Honscheid, D Hufnagel, H Kagan, R Kass, T K Pedlar, J B Thayer, E von Toerne, T Wilksen, M M Zoeller, H Muramatsu, S J Richichi, H Severini, P Skubic, S A Dytman, S Nam, V Savinov, S Chen, J W Hinson, J Lee, D H Miller, V Pavlunin, E I Shibata, I P J Shipsey, D Cronin-Hennessy, A L Lyon, C S Park, W Park, E H Thorndike, T E Coan, Y S Gao, F Liu, Y Maravin, I Narsky, R Stroynowski, J Ye, M Artuso, C Boulahouache, K Bukin, E Dambasuren, G C Moneti, R Mountain, T Skwarnicki, S Stone, J C Wang, A H Mahmood, S E Csorna, I Danko, Z Xu, G Bonvicini, D Cinabro, M Dubrovin, S McGee, A Bornheim, E Lipeles, S P Pappas, A Shapiro, W M Sun, A J Weinstein, G Masek, H P Paar; CLEO Collaboration
Affiliations

Observation of exclusive B --> D(*)K(*-) decays

R Mahapatra et al. Phys Rev Lett. .

Abstract

We report the first observation of the exclusive decays B-->D((*))K(*-), using 9.66 x 10(6) BB pairs collected at the Upsilon(4S) with the CLEO detector. We measure the following branching fractions: B(B--->D(0)K(*-)) = (6.1+/-1.6+/-1.7)x10(-4), B(B(0)-->D(+)K(*-)) = (3.7+/-1.5+/-1.0)x10(-4), B(B(0)-->D(*+)K(*-)) = (3.8+/-1.3+/-0.8)x10(-4), and B(B--->D(*0)K(*-)) = (7.7+/-2.2+/-2.6)x10(-4). The B-->D(*)K(*-) branching ratios are the averages of those corresponding to the 00 and 11 helicity states. The errors shown are statistical and systematic, respectively.

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