Constraints on a scalar-pseudoscalar Higgs mixing at future e+e-   colliders: an update
  We perform an update of our previous analysis on the constraints on possible deviations of Hbb coupling from its Standard Model value, arising from a scalar-pseudoscalar mixing. In this paper we include a complete simulation of the process e+ e- -> b bbar e+ e- and combine it with our previous results to obtain tighter bounds on the deviations of the parameters describing this coupling that could be measured at the Next Linear Collider. 
A. Chalov, A. Likhoded and R. Rosenfeld