====== LPN11-86 Scalar and pseudoscalar Higgs production in association with a top-antitop pair ====== ^ LPN11-86 Scalar and pseudoscalar Higgs production in association with a top-antitop pair ^ |**Rikkert Frederix, Stefano Frixione, Valentin Hirschi, Fabio Maltoni, Roberto Pittau, Paolo Torrielli** | |** Phys. Lett. B701 427 2011 ** | |[[http://arxiv.org/abs/1104.5613|arXiv]] | | |