Belle: INSPIRE
Comment: Used BR( Y(4S) -> B+ B- ) = BR( Y(4S) -> B0 B0bar ) = 0.5
| Parameter | Measurement |
|---|---|
| \({\cal{B}} ( B^- \to \eta_c(1S) K^- )\) | \([1.25 \pm 0.14\mbox{ (stat)} ^{+0.10}_{-0.12}\mbox{ (syst)} \pm 0.38\mbox{ (etac br (correlated))}] \times 10^{-3}\) |
| \({\cal{B}} ( \bar{B}^0 \to \eta_c(1S) \bar{K}^0 )\) | \([1.23 \pm 0.23\mbox{ (stat)} ^{+0.12}_{-0.16}\mbox{ (syst)} \pm 0.38\mbox{ (etac br (correlated))}] \times 10^{-3}\) |
| \({\cal{B}} ( \bar{B}^0 \to \eta_c(1S) \bar{K}^{*0}(892) )\) | \([1.62 \pm 0.32\mbox{ (stat)} ^{+0.24}_{-0.34}\mbox{ (syst)} \pm 0.50\mbox{ (etac br (correlated))}] \times 10^{-3}\) |
| \(\frac{{\cal{B}} ( \bar{B}^0 \to \eta_c(1S) \bar{K}^{*0}(892) )}{{\cal{B}} ( \bar{B}^0 \to \eta_c(1S) \bar{K}^0 )}\) | \([1.33 \pm 0.36\mbox{ (stat)} ^{+0.24}_{-0.33}\mbox{ (syst)}]\) |