CMSSW 1_6_7 + Pythia + Lhapdf.
MSTP(52) = 2 !
LHAPDF's
2) MSTP(51) = 10050 : CTEQ 6M.
Cross section
sigma = 49.85 mb = 49.85E+9 pb
Jets mathed to partons.
h - all jets
g - gluon jets
q - light quark jets
Q - Quark jets
Lumi = 1 pb
-1
