Measurement of the ratios of branching fractions B(B0s --> Ds- pi+ pi+ pi-)/B(B0-->D- pi+ pi+ pi-) and B(B0s --> Ds- pi+)/B(B0-->D- pi+)

• Published in: Physical review letters 2007-02, Vol.98 (6), p.061802-061802, Article 061802
• Main Authors: Abulencia, A, Adelman, J, Affolder, T, Akimoto, T, Albrow, M G, Ambrose, D, Amerio, S, Amidei, D, Anastassov, A, Anikeev, K, Annovi, A, Antos, J, Aoki, M, Apollinari, G, Arguin, J-F, Arisawa, T, Artikov, A, Ashmanskas, W, Attal, A, Azfar, F, Azzi-Bacchetta, P, Azzurri, P, Bacchetta, N, Badgett, W, Barbaro-Galtieri, A, Barnes, V E, Barnett, B A, Baroiant, S, Bartsch, V, Bauer, G, Bedeschi, F, Behari, S, Belforte, S, Bellettini, G, Bellinger, J, Belloni, A, Benjamin, D, Beretvas, A, Beringer, J, Berry, T, Bhatti, A, Binkley, M, Bisello, D, Blair, R E, Blocker, C, Blumenfeld, B, Bocci, A, Bodek, A, Boisvert, V, Bolla, G, Bolshov, A, Bortoletto, D, Boudreau, J, Boveia, A, Brau, B, Brigliadori, L, Bromberg, C, Brubaker, E, Budagov, J, Budd, H S, Budd, S, Budroni, S, Burkett, K, Busetto, G, Bussey, P, Byrum, K L, Cabrera, S, Campanelli, M, Campbell, M, Canelli, F, Canepa, A, Carillo, S, Carlsmith, D, Carosi, R, Casarsa, M, Castro, A, Catastini, P, Cauz, D, Cavalli-Sforza, M, Cerri, A, Cerrito, L, Chang, S H, Chen, Y C, Chertok, M, Chiarelli, G, Chlachidze, G, Chlebana, F, Cho, I, Cho, K, Chokheli, D, Chou, J P, Choudalakis, G, Chuang, S H, Chung, K, Chung, W H, Chung, Y S, Ciljak, M, Ciobanu, C I, Ciocci, M A, Clark, A
• Format: Article
• Language: English
• Subjects: B NEUTRAL MESONS; BRANCHING RATIO; D MINUS MESONS; FERMILAB COLLIDER DETECTOR; FERMILAB TEVATRON; HADRONIC PARTICLE DECAY; PAIR PRODUCTION; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; PIONS MINUS; PIONS PLUS; PROTON-PROTON INTERACTIONS; TEV RANGE 01-10
• ISSN: 0031-9007; 1079-7114
• DOI: 10.1103/PhysRevLett.98.061802

Using 355 pb;{-1} of data collected by the CDF II detector in pp[over ] collisions at sqrt[s]=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}.