deletions | additions       diff --git a/Cross Section Uncertainty.tex b/Cross Section Uncertainty.tex  index 09ae28e..4752a6e 100644  --- a/Cross Section Uncertainty.tex  +++ b/Cross Section Uncertainty.tex 
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As mentioned in the Section~\ref{sec:sensitivities}, the dominant systematic error on these numbers is the theoretical uncertainty on the predicted event rate. It is difficult to say today what this uncertainty will be at the time of the FCC-ee startup. To evaluate its effects, the likelihood in Eq.~\ref{eq:likelihood} was enhanced with the corresponding Gaussian  nuisance factor, and the form factors were determined for any value of the assumed cross-section theorerical error. The result is displayed in Fig.~\ref{fig:crosserr}. The uncertainties on the first four form factors stay below a few per mil if the total cross section can be predicted with a precision of 1\% or better. The uncertainty on $F_{1A}^Z$ remains essentially unaffected.