Planning for bg MC production on the OSG

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An example analysis

cross section 500 nb
events per fit 20000
t bins 20
mass bins 100
total reconstructed 40000000
reconst. efficiency 50%
fraction after cuts 10%
total xs events 800000000
total g,p events 2E+11
beam time (10^8) 10000000 s
Monte Carlo bg factor 10
total MC bg events 2e12