Title

Study of exclusive radiative B meson decays

Document Type

Article

Publication Date

1-1-2000

Abstract

We have studied exclusive, radiative B meson decays to charmless mesons in 9.7 × 106 B⊯B decays accumulated with the CLEO detector. We measure B(B → K (892) γ)=(4.55 ± 0.34) × 10 and B(B → K (892)γ)=(3.76 ± 0.28) × 10 . We have searched for CP asymmetry in B → K*(892)γ decays and measure A = +0.08 ± 0.13 ± 0.03. We report the first observation of B → K (1430)γ decays with a branching fraction of (1.66 ± 0.13) × 10 . No evidence for the decays B → ργ and B → ωγ is found and we limit B(B → (ρ/ω)γ)/B(B → K*(892)γ) < 0.32 at 90% C.L. © 2000 The American Physical Society. 0 *0 +0.72 -5 + *+ +0.89 -5 * +0.59 -5 0 -0.68 -0.83 CP 2 -0.53

Publication Name

Physical Review Letters

Volume Number

84

First Page

5283

Last Page

5287

Issue Number

23

DOI

10.1103/PhysRevLett.84.5283

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