Bounds on the CP Asymmetry in bsγ Decays

T. E. Coan et al. (CLEO Collaboration)
Phys. Rev. Lett. 86, 5661 – Published 18 June 2001
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Abstract

We have measured the CP asymmetry ACP[Γ(bsγ)Γ(b¯s¯γ)]/[Γ(bsγ)+Γ(b¯s¯γ)] to be ACP=(0.079±0.108±0.022)(1.0±0.030), implying that, at 90% confidence level, ACP lies between 0.27 and +0.10. These limits rule out some extreme non-standard-model predictions, but are consistent with most, as well as with the standard model.

  • Received 26 October 2000

DOI:https://doi.org/10.1103/PhysRevLett.86.5661

©2001 American Physical Society

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Vol. 86, Iss. 25 — 18 June 2001

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