Constraints on the anomalous tensor operators from B\toϕK^{\ast}, ηK^{\ast}$ and ηK decays

preprint2007arXivOpen access

Abstract

We investigate whether the anomalous tensor operators with the Lorentz structure σμν(1+γ5)⊗σμν(1+γ5)σ_{μν} (1+γ_{5})\otimes σ^{μν}(1+γ_{5}), which could provide a simple resolution to the polarization anomaly observed in B→ϕK∗B\to ϕK^{\ast} decays, could also provide a coherent resolution to the large B(B→ηK∗){\cal B}(B\to ηK^{\ast}) and survive bounds from B→ηKB\toηK decays. Parameter spaces satisfying all these experimental data are obtained, and found to be dominated by the color-octet tensor operator contribution. Constraints for the equivalent solution with (1+γ5)⊗(1+γ5)(1+γ_{5})\otimes(1+γ_{5}) operators are also derived and found to be dominated by the color-singlet one. With the constrained parameter spaces, we finally give predictions for Bs→ϕϕB_{s}\to ϕϕ decay, which could be tested at the Fermilab Tevatron and the LHC-b experiments.

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