Analysis of Angular Observables of ${\Lambda }_b\to \Lambda (\to p\pi ){\mu }^{+}{\mu }^{-}$ Decay in Standard and $Z^{\prime }$ Models

Aqsa Nasrullah, M. Jamil Aslam, Saba Shafaq

In 2015, the LHCb collaboration has measured $\frac{d\mathcal{B}}{d{q}^2}$, the lepton- and hadron-side forward-backward asymmetries, denoted by $A_{FB}^{\ell }$ and $A_{FB}^{\Lambda }$, respe…