Patrick Janot edited HiggsPhysicsAt500GeV.tex  over 10 years ago

Commit id: 324d65e3fefabd4f08e30403d07431bf0028f39a

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With a luminosity (slightly) larger than ILC and CLIC at $\sqrt{s}=500$~GeV, the TLEP physics potential at this centre-of-mass energy would be similar to that of linear colliders. A quick look at the ILC TDR~\cite{cite:ILCTDR} shows that the addition of 500~$\infb$ at 500~GeV to the baseline programme with  250~$\infb$ at 250~GeV and 350~$\infb$ at 350 GeV moderately improves the precision on all Higgs boson couplings to light fermions and gauge bosons by about less than a factor $\sqrt{2}$. $\sqrt{2}$, still quite far from the needed sub-per-cent precision.  Similarly, the measurement of the invisible width of the Higgs boson is best performed at $\sqrt{s}=$ 240~GeV.