deletions | additions       diff --git a/Statistical analysis.tex b/Statistical analysis.tex  index e403079..11f4013 100644  --- a/Statistical analysis.tex  +++ b/Statistical analysis.tex 
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L = {\mu^N \over N!}{\rm e}^{-\mu} \times \prod_{k=1}^N p(k),  \end{equation}   where $\mu$ is the number of ${t \bar t}$ events expected for the integrated luminosity of the data sample, and  \begin{eqnarray} \begin{equation}  p(k)&  =&  {1 \over \sigma_{\rm tot}}{{\rm d}^2\sigma \over {\rm d}x {\rm d}\cos\theta} \ {\rm  , \\ with \ }  \sigma_{\rm tot}&  = & \int\int \int  {\rm d}x {\rm d}\cos\theta} { {\rm d}^2\sigma \over {\rm d}x {\rm d}\cos\theta } \ . \end{eqnarray} \end{equation}