[Rivet] our use of fastjet

Hendrik Hoeth hendrik.hoeth at cern.ch
Tue May 5 14:50:16 BST 2009


Hi Andy,

Thus spake Andy Buckley (andy.buckley at durham.ac.uk):

> It's actually based on me having an email discussion with Gavin where
> he said that he believed CDF had actually used 0.75... I hadn't seen
> that comment, which makes it sound more like a FastJet opinion on how
> to make the algorithm behave best.

I see ... No, I'm not sure that CDF used 0.5, but that's what the
fastjet documentation even in 2.4.0 says in section 7.3.1 (CDF
Midpoint): "The overlap threshold (f) used by CDF is usually 0.5"

So we should check with CDF instead of guessing blindly. Do you know
whom we can ask?

    Hendrik

-- 
"You have to take the most direct road to go instead of your 
 meeting, you have to, this one ended, leave at once the CERN
 domain."         (imprint on the CERN visitor ID cards)


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