Radiative generation of chiral vector operators in $b\to s\nu \bar{\nu }$ transition

Xin-Shuai Yan, Wen-Feng Liu, Qin Chang +1

The recent Belle II evidence for $B^{+}\to K^{+}\nu \bar{\nu }$, combined with a suppressed branching fraction ratio $R \equiv \mathcal{B}(B^0 \to K^{*0} ν\barν) / \mathcal{B}(B^+ \to K^+ ν\…