Are the new particles heavy or light in $b\to s{E}_{\mathrm{miss}}$?

Quan-Yi Hu

In this work, we study the $B^{+}\to K^{+}{E}_{\mathrm{miss}}$, $B^0\to K^{\ast 0}{E}_{\mathrm{miss}}$, and ${\Lambda }_b^0\to {\Lambda }^0{E}_{\mathrm{miss}}$ decays under three different new physics hypothes…