Study of exclusive radiative B meson decays

T. E. Coan, V. Fadeyev, Y. Maravin, I. Narsky, R. Stroynowski, J. Ye, T. Wlodek, M. Artuso, R. Ayad, C. Boulahouache, K. Bukin, E. Dambasuren, S. Karamov, S. Kopp, G. Majumder, G. C. Moneti, R. Mountain, S. Schuh, T. Skwarnicki, S. StoneG. Viehhauser, J. C. Wang, A. Wolf, J. Wu, S. E. Csorna, I. Danko, K. W. Mc Lean, S. Márka, Z. Xu, R. Godang, K. Kinoshita, I. C. Lai, S. Schrenk, G. Bonvicini, D. Cinabro, L. P. Perera, G. J. Zhou, G. Eigen, E. Lipeles, M. Schmidtler, A. Shapiro, W. M. Sun, A. J. Weinstein, F. Würthwein, D. E. Jaffe, G. Masek, H. P. Paar, E. M. Potter, S. Prell, V. Sharma

Research output: Contribution to journalArticlepeer-review

158 Scopus citations


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(B0→ K*0(892) γ)=(4.55+0.72-0.68± 0.34) × 10-5and B(B+→ K*+(892)γ)=(3.76+0.89-0.83± 0.28) × 10-5. We have searched for CP asymmetry in B → K*(892)γ decays and measure ACP= +0.08 ± 0.13 ± 0.03. We report the first observation of B → K*2(1430)γ decays with a branching fraction of (1.66+0.59-0.53± 0.13) × 10-5. No evidence for the decays B → ργ and B0→ ωγ is found and we limit B(B → (ρ/ω)γ)/B(B → K*(892)γ) < 0.32 at 90% C.L.

Original languageEnglish (US)
Pages (from-to)5283-5287
Number of pages5
JournalPhysical review letters
Issue number23
StatePublished - 2000


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