Drell yan bcks
Background production for Drell-Yan studies:
-100 k events per polarity for the dec-file 10000010 (inclusive B, 2 b in acceptance with two muons in the event, both muons with p>3 GeV)
-100 k events per polarity for the dec-file 20072001 (inclusive charm, with unlike sign muon in same event, both muons with p>3 GeV)
Same settings as !449 (merged)