학술논문
Measurements of the branching fractions of exclusive charmless B meson decays with eta(') or omega mesons.
Document Type
article
Author
Aubert, B; Boutigny, D; Gaillard, JM; Hicheur, A; Karyotakis, Y; Lees, JP; Robbe, P; Tisserand, V; Palano, A; Chen, GP; Chen, JC; Qi, ND; Rong, G; Wang, P; Zhu, YS; Eigen, G; Reinertsen, PL; Stugu, B; Abbott, B; Abrams, GS; Borgland, AW; Breon, AB; Brown, DN; Button-Shafer, J; Cahn, RN; Clark, AR; Gill, MS; Gritsan, A; Groysman, Y; Jacobsen, RG; Kadel, RW; Kadyk, J; Kerth, LT; Kluth, S; Kolomensky, YG; Kral, JF; LeClerc, C; Levi, ME; Liu, T; Lynch, G; Meyer, AB; Momayezi, M; Oddone, PJ; Perazzo, A; Pripstein, M; Roe, NA; Romosan, A; Ronan, MT; Shelkov, VG; Telnov, AV; Wenzel, WA; Bright-Thomas, PG; Harrison, TJ; Hawkes, CM; Knowles, DJ; O'Neale, SW; Penny, RC; Watson, AT; Watson, NK; Deppermann, T; Goetzen, K; Koch, H; Krug, J; Kunze, M; Lewandowski, B; Peters, K; Schmuecker, H; Steinke, M; Andress, JC; Barlow, NR; Bhimji, W; Chevalier, N; Clark, PJ; Cottingham, WN; De Groot, N; Dyce, N; Foster, B; McFall, JD; Wallom, D; Wilson, FF; Abe, K; Hearty, C; Mattison, TS; McKenna, JA; Thiessen, D; Jolly, S; McKemey, AK; Tinslay, J; Blinov, VE; Bukin, AD; Bukin, DA; Buzykaev, AR; Golubev, VB; Ivanchenko, VN; Korol, AA; Kravchenko, EA; Onuchin, AP; Salnikov, AA; Serednyakov, SI; Skovpen, YI
Source
Physical review letters. 87(22)
Subject
Language
Abstract
We present the results of searches for B decays to charmless two-body final states containing eta(') or omega mesons, based on 20.7 fb(-1) of data collected with the BABAR detector. We find the branching fractions Beta(B(+)-->eta(')K(+)) = (70+/-8+/-5) x 10(-6), Beta(B(0)-->eta(')K(0)) = (42(+13)(-11) +/- 4) x 10(-6), and Beta(B(+)-->omega pi(+)) = (6.6(+2.1)(-1.8) +/- 0.7) x 10(-6), where the first error quoted is statistical and the second is systematic. We give measurements of four additional modes for which the 90% confidence level upper limits are Beta(B(+)-->eta(')pi(+)) < 12 x 10(-6), Beta(B(+)-->omega K(+)) < 4 x 10(-6), Beta(B(0)-->omega K(0)) < 13 x 10(-6), and Beta(B(0)-->omega pi(0)) < 3 x 10(-6).