${\bar{B}}_s^0\to ({\pi }^0{\eta }^{(\ast )},{\eta }^{(\ast )}{\eta }^{(\ast )})$ decays and the effects of next-to-leading order contributions in the perturbative QCD approach

Zhen-Jun Xiao, Ya Li, Dong-Ting Lin +2

In this paper, we calculate the branching ratios and CP violating asymmetries of the five ${\bar{B}}_s^0\to ({\pi }^0{\eta }^{(\ast )},{\eta }^{(\ast )}{\eta }^{(\ast )})$ decays, by employing the perturbative QCD (p…