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Hi Jahred and all For new physics background samples (HT binned samples), the k-factors (NLO) are already multiplied in the event weights. I will mention that in the twiki as soon as we finalize the ntuples. Best, Sanjay Note: The cross section currently mentioned in the NP twiki are LO (madgraph cross section) with phase space cuts. On Thu, May 9, 2013 at 11:23 PM, Jahred Adelman <[log in to unmask]> wrote: > Hi all, > > Maybe it was obvious to everyone, but not to me... I was just pointed to > this: > http://snowmass2013.org/tiki-index.php?page=NPBackgroundSamplesTwiki > > Which lists xsections for the samples to use! > > Best, > Jahred > > > On Tue, Apr 30, 2013 at 8:10 PM, Jahred Adelman <[log in to unmask]> wrote: > >> Hi Snowmass toppers, >> >> I've just started to put together a small infrastructure to loop over the >> samples that we have, run a basic ttbar selection, and save output >> histograms. Nothing fancy, but the hope is that it can be shared with >> others to make it easier to begin studies. >> >> One thing that I can't find - are there cross sections listed centrally >> anywhere obvious? This seems like it would be an extremely useful thing to >> have somewhere. >> >> Best, >> Jahred >> > > -- URL: http://www.cern.ch/spadhi ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the SNOWMASS-TOP list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=SNOWMASS-TOP&A=1