Axion-like particles and sterile neutrinos solve the $B\to K\nu \bar{\nu }$ and $B\to \pi K$ puzzles

Bhubanjyoti Bhattacharya, Alakabha Datta, Girish Kumar +1

The recent measurement of the branching ratio of $B^{+}\to K^{+}+\mathrm{inv}$ (where ``inv'' denotes invisible states) by the Belle II collaboration is enhanced relative to the sta…