Investigating ${\rm Y}(ns)\to {\tau }^{+}{\tau }^{-}$ decay in the Leptoquark scenario

Sambit Kumar Pusty, Dhiren Panda, Aishwarya Bhatta

Several measurements on $R_D,R_{D^{\ast }}$, and $R_{J/\psi }$ by the BaBar, Belle, and LHCb experiments show significant deviations from their Standard Model (SM) predictions, which illus…