Quiz 

1) T or F: LL is better than LO ? 

2) T of F: NLO = NLL ? 

3) Elliot says, “I’ve assessed the PDF error by 
   reweighting my pythia events with a different PDF."
   - What cross check should he do? 

4) Joanne says, “My backgrounds have a contribution of 300 W events 
   and 500 W+jet events, as estimated from Pythia” 
   - what do you tell her? 

5) Joe says, “I’ve got the NLO code for pp -> WW+X, 
   I just need to put it in pythia for the shower.” 
   - what do you tell him?