The strong vertices of bottom mesons $B$, $B^{\ast }$ and bottomonia ${\rm Y}$, ${\eta }_b$

Jie Lu, Guo-Liang Yu, Zhi-Gang Wang +1

In this article, the strong coupling constants of vertices $BB{\rm Y}$, $B{B}^{\ast }{\rm Y}$, $B^{\ast }{B}^{\ast }{\rm Y}$, $B{B}^{\ast }{\eta }_b$ and $B^{\ast }{B}^{\ast }{\eta }_b$ are analyzed in the framework of QCD sum rules. In t…