${\bar{B}}^0\to {\bar{K}}^{(\ast )0}X$, $B^{-}\to K^{(\ast )-}X$, ${\bar{B}}_s^0\to \eta ({\eta }^{\prime },\varphi )X$ from the $X(3872)$ molecular perspective

Wei-Hong Liang, Ting Ban, Eulogio Oset

We study the decays ${\bar{B}}^0\to {\bar{K}}^{0}X$, $B^{-}\to K^{-}X$, ${\bar{B}}_s^0\to \eta ({\eta }^{\prime })X$, ${\bar{B}}^0\to {\bar{K}}^{\ast 0}X$, $B^{-}\to K^{\ast -}X$ , ${\bar{B}}_s^0\to \varphi X$, w…