Measuring $A_{\text{FB}}^b$ and $R_b$ with exclusive $b$-hadron decays at the FCC-ee

Lars Röhrig, Kevin Kröninger, Romain Madar +3

This paper presents a novel tagging technique to measure the beauty-quark partial decay-width ratio $R_b$ and its forward-backward asymmetry $A_{\text{FB}}^b$ at the FCC-ee, using $\…