Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2006-05-05
Phys.Rev.D74:051102,2006
Physics
High Energy Physics
High Energy Physics - Experiment
8 pages, 3 postscript figues, submitted to Phys. Rev. D (Rapid Communications)
Scientific paper
10.1103/PhysRevD.74.051102
We describe searches for B meson decays to the charmless vector-vector final states omega K*, omega rho, omega omega, and omega phi with 233 times 10^{6} BB pairs produced in e+e- annihilation at sqrt{s}=10.58 GeV. We also search for the vector-scalar B decay to omega f_0. We measure the following branching fractions in units of 10^{-6}: BR(B0 --> omega K*0) = 2.4 +/- 1.1 +/- 0.7 (<4.2), BR(B+ --> omega K*+) = 0.6 {+1.4}_{-1.2} {+1.1}_{-0.9} (<3.4), BR(B0 --> omega rho0) = -0.6 +/- 0.7 {+0.8}_{-0.3} (<1.5), BR(B+ --> omega rho+) = 10.6 +/- 2.1 {+1.6}_{-1.0}, BR(B0 --> omega omega) = 1.8 {+1.3}_{-0.9} +/- 0.4 (<4.0), BR(B0 --> omega phi) = 0.1 +/- 0.5 +/- 0.1 (<1.2), and BR(B0 --> omega f_0) = 0.9 +/- 0.4 {+0.2}_{-0.1} (<1.5). In each case the first error quoted is statistical, the second systematic, and the upper limits are defined at the 90% confidence level. For B+ --> omega rho+ decays we also measure the longitudinal spin component f_L=0.82 +/- 0.11 +/- 0.02 and the charge asymmetry A_CP=0.04 +/- 0.18 +/- 0.02.
"The BABAR Collaboration
Aubert B.
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