Pythia jets simulations 14 TeV p-p collisions with different PDF's sets.
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CMSSW 1_6_7 + Pythia + Lhapdf.
MSTP(52) = 2 ! LHAPDF's
1) MSTP(51) = 20470 : MRST2004NNLO.
2) MSTP(51) = 10050 : CTEQ 6M.
3) CTEQ5L (Pythia Default)
Normalized to LUMI = 1 pb-1