deletions | additions       diff --git a/sectionPROPOSED_SECO.tex b/sectionPROPOSED_SECO.tex  index 37c7b82..8404070 100644  --- a/sectionPROPOSED_SECO.tex  +++ b/sectionPROPOSED_SECO.tex 
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{\em SLS:} has in both operation modes a typical beam lifetime of about 8 hours.   Depending on the vacuum and the selected coupling this lifetime may varies in practice between 6 and 10 hours during normal operation.   A low beam lifetimes lead lifetime leads  toa  more frequent injections from the top-up. We record a 'low-lifetime' event when the beam lifetime stays below 4.5 hours for longer than 5 minutes.   The event stops as soon as the lifetime is above 4.5 hours again for longer that  1 minute.