Speaker
Koji Tsumura
(ICTP (Trieste))
Description
We discuss effects of anomalous Higgs boson couplings characterized
by dimension-six operators on the Higgs boson production and decay
processes at the LHC and the ILC. The decay pattern of the Higgs boson
and the production cross section of $gg\to H$, $e^+e^- \to t\bar H$,
$e^+e^- \to ZHH$ and $e^+e^- \to \nu\bar\nu HH$ can receive large
modifications from the anomalous dim-6 couplings under the constraint
from currently available data. We also find that the double Higgs boson
production $gg\to HH$ is very sensitive to the dimension-six top-Higgs
operator. These effects can be detectable at future collider experiments.
