We investigate the influence of scalar gauge singlets on Higgs signals at a linear collider. These lead to a large invisible decay width of the Higgs. We find that for high luminosities (500−1000fb−1) one can essentially cover the allowed parameter range of the model.
@article{arxiv.hep-ph/9908256,
title = {The stealthy Higgs model at future Linear Colliders},
author = {T. Binoth and J. J. van der Bij},
journal= {arXiv preprint arXiv:hep-ph/9908256},
year = {2007}
}