Probing the Scalar Sector in $e^{+}{e}^{-}\to Z\varphi$

M. L. Stong, K. Hagiwara

We study possible deviations from the Standard Model in the reaction $e^{+}{e}^{-}\to Z\varphi$, where $\varphi$ denotes a spinless neutral boson. We show how the $Z$ decay angular correlation can…