Patrick Janot edited 13311371474904756.tex  almost 11 years ago

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\item When is the decision to be taken ?  \end{itemize}  It is now generally agreed that very accurate measurements of the Z, W, top and Higgs properties (so-called EWSB parameters) will allow the sensitivity to new physics to be extended to higher energy scale. Typically, a new energy scale of 1 TeV would translate into deviations of the Higgs boson couplings to gauge bosons and fermions of up to 5\% with respect to the standard model predictions~\cite{cite:ILCTDR}, with a dependence inversely proportional to the square of the energy scale $\Lambda$~\cite{,doi:10.1103/PhysRevD.86.095001}: $\Lambda$~\cite{doi:10.1103/PhysRevD.86.095001}:  \begin{equation}  {\delta g_{\rm HXX} \over g_{\rm HXX}} \le 5\% \times \left({1 {\rm TeV} \over \Lambda}\right)^2  \end{equation}