On the determination of -even and -odd components of a mixed Higgs boson at linear colliders

Abstract: We present a method to investigate the quantum numbers of the Higgs boson in the process at a future linear collider (LC), where ϕ, a generic Higgs boson, is a mixture of -even and -odd states. The procedure consists of a comparison of the data with predictions obtained from Monte Carlo simulations corresponding to the productions of scalar and pseudoscalar Higgs and the interference term which constitutes a distinctive signal of violation. We present estimates of the sensitivity of the method from Monte Carlo studies using hypothetical data samples with a full LC detector simulation taking into account the background signals. [Copyright &y& Elsevier]