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" ... The operative quantity that physicists speak about is the integrated luminosity, which is measured in the wonderful unit of inverse femtobarns (an inverse area). Currently the LHC is approaching 20 inverse femtobarns of data. By its final shutdown it will be 3,000 inverse femtobarns — an increase of 150. This will result in a 65% gain in reach over the next 15 or so years. ... "