B→f_0(980)(π,η~((')) decays in the PQCD approach

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Based on the assumption of a two-quark structure of the scalar meson f0(980) ,we calculate the branching ratios and CP-violating asymmetries for the four B → f0(980) π and B → f0(980) η(') decays by employing the perturbative QCD(pQCD) factorization approach. The leading order pQCD predictions for branching ratios are,Br(B-→ f0(980) π-) ~ 2.5×10-6,Br(Bˉ0 → f0(980) π0) ~ 2.6×10-7,Br(Bˉ0 → f0(980) η) ~ 2.5×10-7 and Br(Bˉ0 → f0(980) η ) ~ 6.7×10-7,which are consistent with both the QCD factorization predictions and the experimental upper limits. Based on the assumption of a two-quark structure of the scalar meson f0 (980), we calculate the branching ratios and CP-violating asymmetries for the four B → f0 (980) π and B → f0 (980) η decays by employing the perturbative QCD (pQCD) factorization approach. The leading order pQCD predictions for branching ratios are, Br (B- → f0 (980) π-) ~ 2.5 × 10-6 Br (Bˉ0 → f0 ) ~ 2.6 × 10-7, Br (Bˉ0 → f0 (980) η) ~ 2.5 × 10-7 and Br (Bˉ0 → f0 (980) η) ~ 6.7 × 10-7, which are consistent with both the QCD factorization predictions and the experimental upper limits.
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