[Rivet] Validation meeting

[Andy Buckley]

Hendrik Hoeth wrote:
> Thus spake Andy Buckley (andy.buckley at durham.ac.uk):
> 
>> and one for the JET20 data: without a merging run around 30 GeV, the
>> upper end of those histos will go a bit wobbly, but a CKIN(3) = 15 cut
>> should give reasonable results.
> 
> The plots start at 18 GeV. While CKIN(3)=15 might look nice for plots in
> a talk, I wouldn't trust it for a real-world application (e.g. tuning).

Exactly... my aim here was to get stats for most of the plots to use in
the talk. But we stick with what we have for the tunings, of course!

I have comparisons on the Web to show the effect of different CKIN(3) on
these plots... I think 15 GeV is safe enough for showing in a talk:
http://users.hepforge.org/~buckley/ue-ckin-tests/cdf2001/

By the way, we typically run O(1M) events for these plots: is that
reasonable within Athena?

Andy