deletions | additions       diff --git a/background.tex b/background.tex  index 9dd99c4..7637a2a 100644  --- a/background.tex  +++ b/background.tex 
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Both of these factors are computed in the control region as defined in section \ref{sect:eventSelection}. The final expression for the total count is as follows  $\mathrm{Total\ Pred} = S_{dy} \times \left( \mathrm{N}_\mathrm{non 2-to-1} \right)  $ describe control region cuts