Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-10-21
JHEP 0706:038,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
27 pages, 5 tables and 6 figures. Journal version
Scientific paper
10.1088/1126-6708/2007/06/038
We investigate whether the anomalous tensor operators with the Lorentz structure $\sigma_{\mu\nu} (1+\gamma_{5})\otimes \sigma^{\mu\nu}(1+\gamma_{5})$, which could provide a simple resolution to the polarization anomaly observed in $B\to \phi K^{\ast}$ decays, could also provide a coherent resolution to the large ${\cal B}(B\to \eta K^{\ast})$ and survive bounds from $B\to\eta K$ 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 $(1+\gamma_{5})\otimes(1+\gamma_{5})$ operators are also derived and found to be dominated by the color-singlet one. With the constrained parameter spaces, we finally give predictions for $B_{s}\to \phi \phi$ decay, which could be tested at the Fermilab Tevatron and the LHC-b experiments.
Chang Qin
Li Xin-Qiang
Yang Ya-Dong
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