Measurements of branching fractions, polarizations, and direct CP-violation asymmetries in B-->rhoK and B-->f0(980)K decays

We report searches for B-meson decays to the charmless final states rhoK* and f0(980)K* with a sample of 232x10(6) BB pairs collected with the BABAR detector at the PEP-II e+e- collider. We measure in units of 10(-6) the following branching fractions, where the first error quoted is statistical and...

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Published in:Physical review letters 2006-11, Vol.97 (20), p.201801-201801
Main Authors: Aubert, B, Barate, R, Bona, M, Boutigny, D, Couderc, F, Karyotakis, Y, Lees, J P, Poireau, V, Tisserand, V, Zghiche, A, Grauges, E, Palano, A, Chen, J C, Qi, N D, Rong, G, Wang, P, Zhu, Y S, Eigen, G, Ofte, I, Stugu, B, Abrams, G S, Battaglia, M, Brown, D N, Button-Shafer, J, Cahn, R N, Charles, E, Gill, M S, Groysman, Y, Jacobsen, R G, Kadyk, J A, Kerth, L T, Kolomensky, Yu G, Kukartsev, G, Lynch, G, Mir, L M, Orimoto, T J, Pripstein, M, Roe, N A, Ronan, M T, Wenzel, W A, del Amo Sanchez, P, Barrett, M, Ford, K E, Harrison, T J, Hart, A J, Hawkes, C M, Morgan, S E, Watson, A T, Held, T, Koch, H, Lewandowski, B, Pelizaeus, M, Peters, K, Schroeder, T, Steinke, M, Boyd, J T, Burke, J P, Cottingham, W N, Walker, D, Cuhadar-Donszelmann, T, Fulsom, B G, Hearty, C, Knecht, N S, Mattison, T S, McKenna, J A, Khan, A, Kyberd, P, Saleem, M, Sherwood, D J, Teodorescu, L, Blinov, V E, Bukin, A D, Druzhinin, V P, Golubev, V B, Onuchin, A P, Serednyakov, S I, Skovpen, Yu I, Solodov, E P, Todyshev, K Yu, Best, D S, Bondioli, M, Bruinsma, M, Chao, M, Curry, S, Eschrich, I, Kirkby, D, Lankford, A J, Lund, P, Mandelkern, M, Mommsen, R K, Roethel, W, Stoker, D P, Abachi, S, Buchanan, C, Foulkes, S D, Gary, J W, Long, O, Shen, B C, Wang, K, Zhang, L
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Language:English
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Summary:We report searches for B-meson decays to the charmless final states rhoK* and f0(980)K* with a sample of 232x10(6) BB pairs collected with the BABAR detector at the PEP-II e+e- collider. We measure in units of 10(-6) the following branching fractions, where the first error quoted is statistical and the second systematic, or upper limits are given at the 90% confidence level: B(B+-->rho0K*+)rho+K*0)=9.6+/-1.7+/-1.5, B(B0-->rho-K*+)rho0K*0)=5.6+/-0.9+/-1.3, B(B+-->f0(980)K*+)=5.2+/-1.2+/-0.5, and B(B0-->f0(980)K*0)rho+K*0)=0.52+/-0.10+/-0.04, fL(B0-->rho0K*0)=0.57+/-0.09+/-0.08, ACP(B+-->rho+K*0)=-0.01+/-0.16+/-0.02, ACP(B0-->rho0K*0)=0.09+/-0.19+/-0.02, and ACP(B+-->f0(980)K*+)=-0.34+/-0.21+/-0.03.
ISSN:0031-9007