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Barnett, B A; Beringer, J; Bisello, D; Boveia, A; Brau, B; Budroni, S; Castro, A; Chang, S H; Chiarelli, G; Ciocci, M A; D'Auria, S; Dagenhart, D; Deisher, A; De Lentdecker, G; Dell'Orso, M; Demortier, L; De Pedis, D; Dörr, C; Farrington, S; Foster, G W; Garfinkel, A F; Ginsburg, C; Glagolev, V; Goldschmidt, N; Goncharov, M; González, O; Griffiths, M; Grinstein, S; Gunay-Unalan, Z; Hahn, K; Halkiadakis, E; Harris, R M; Herndon, M; Hidas, D; Hou, S; Huffman, B T; Huston, J; Incandela, J; Jeon, E J; Jung, J E; Kato, Y; Kim, S H; Klimenko, S; Klute, M; Ko, B R; Kraus, J; Krutelyov, V; Lammel, S; Lancaster, M; Latino, G; Lazzizzera, I; Lee, J; Lee, Y J; Lee, S W; Lin, C; Lin, C S; Litvintsev, D O; Liu, T; Lucchesi, D; Madrak, R; McFarland, K S; McIntyre, P; Miladinovic, N; Mills, C; Milnik, M; Mohr, B; Mukherjee, A; Necula, V; Neu, C; Neubauer, M S; Nodulman, L; Oh, Y D; Oldeman, R; Palencia, E; Papadimitriou, V; Portell, X; Rappoccio, S; Ristori, L; Rodrigo, T; Safonov, A; Saltzberg, D; Sedov, A; Seidel, S; Sfyrla, A; Sjolin, J; Somalwar, S; Spalding, J; Spreitzer, T; Stelzer, B; Stentz, D; Sun, H; Takashima, R; Tiwari, V; Turini, N; Uozumi, S; Vallecorsa, S; van Remortel, N; Vázquez, F; Winer, B L; Zanetti, A
Physical review letters, 2007-Feb-09, Letnik: 98, Številka: 6Journal Article
Using 355 pb;{-1} of data collected by the CDF II detector in ppover collisions at sqrts=1.96 TeV at the Fermilab Tevatron, we study the fully reconstructed hadronic decays B_{(s)};{0}-->D_{(s)};{-}pi;{+} and B_{(s)};{0}-->D_{(s)};{-}pi;{+}pi;{+}pi;{-}. We present the first measurement of the ratio of branching fractions B(B_{s};{0}-->D_{s};{-}pi;{+}pi;{+}pi;{-})/B(B;{0}-->D;{-}pi;{+}pi;{+}pi;{-})=1.05+/-0.10(stat)+/-0.22(syst). We also update our measurement of B(B_{s};{0}-->D_{s};{-}pi;{+})/B(B;{0}-->D;{-}pi;{+}) to 1.13+/-0.08(stat)+/-0.23(syst), improving the statistical uncertainty by more than a factor of 2. We find B(B_{s};{0}-->D_{s};{-}pi;{+})=3.8+/-0.3(stat)+/-1.3(syst)x10;{-3} and B(B_{s};{0}-->D_{s};{-}pi;{+}pi;{+}pi;{-})=8.4+/-0.8(stat)+/-3.2(syst)x10;{-3}.
