Probing scalar-pseudoscalar mixing in the CP violating MSSM at high-energy e + e − colliders

We study the production processes ${e}^{+}{e}^{\ensuremath{-}}\ensuremath{\rightarrow}{H}_{i}^{0}Z,$ ${H}_{i}^{0}{H}_{j}^{0}$ and ${H}_{i}^{0}{\ensuremath{\nu}}_{e}{\overline{\ensuremath{\nu}}}_{e}$ in the context of the $\mathrm{CP}$ violating MSSM. In a given channel we show that the cross section for all $i (=1,2,3)$ can be above 0.1 fb provided ${M}_{{H}_{2,3}}\ensuremath{\lesssim}300$ GeV. This should be detectable at a Next Linear Collider and would provide evidence for scalar-pseudoscalar mixing.